CN203883731U - Vector variable-frequency controller for synchronous variable-frequency AC motor - Google Patents
Vector variable-frequency controller for synchronous variable-frequency AC motor Download PDFInfo
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- CN203883731U CN203883731U CN201420180618.6U CN201420180618U CN203883731U CN 203883731 U CN203883731 U CN 203883731U CN 201420180618 U CN201420180618 U CN 201420180618U CN 203883731 U CN203883731 U CN 203883731U
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Abstract
The utility model discloses a vector variable-frequency controller for a synchronous variable-frequency AC motor, which comprises a main circuit and a control circuit, wherein the main circuit comprises a rectifier, the rectifier is connected to a filter, the filter is connected to a first inversion unit, the first inversion unit is connected to a high-frequency main transformer, the high-frequency main transformer is connected to a high-frequency rectifier, the high-frequency rectifier is connected to a high-frequency filter, the high-frequency filter is connected to a braking unit, the braking unit is connected to a second inversion unit, the second inversion unit is connected to a load motor, and the control circuit comprises a detection unit, a central processor, an inversion driving circuit and a voltage boosting control circuit. The vector variable-frequency controller has the advantages that the frequency and voltage of outputting alternating current are enabled to be in synchronous change with the frequency of inputting the alternating current, a purpose of controlling the rotating speed of the AC motor through a unit prime motor accelerator pedal is achieved, actions of an engineering machinery operating mechanism and a chassis are controlled by using an accelerator pedal of an internal combustion unit prime motor, thereby realizing stepless variable-speed traveling.
Description
Technical field
The utility model relates to a kind of electric machine controller, specifically a kind of synchronous frequency conversion formula alternating current machine vector converter controller.
Background technology
At present all inputs of the frequency-variable controllers as ac motor speed control by variable frequency be all the alternating current of the direct current of fixed voltage or fixed voltage, fixed frequency, all the more so as " the vector converter controller " that require the alternating current machine with " hardware features " to use.But, with exchanging while using alternating current machine particularly to drive power as chassis walking mechanism as electronic engineer machinery operation mechanism in the internal combustion engine generator group electronic engineering machinery as power, if what the controller of its motor still required input is fixed voltage, the alternating current of fixed frequency, obviously in engineer machinery operation and walking process, as the eternal continuous firing of internal combustion engine generator group of power in rated speed, rated frequency, the rated condition of rated voltage, this not only makes electronic engineering machinery produce and continue larger noise in operation and walking process, and mechanical wear and energy resource consumption are increased.
Utility model content
The purpose of this utility model is to provide a kind of frequency conversion input inversion type direct-current machine driving governor, it utilizes vector converter control technology, design a kind of synchronous frequency conversion formula alternating current machine frequency-variable controller, this controller retains the hardware features of conventional vector converter controller, design control circuit adopts synchronization control circuit, that is: be operated in speed variable operating mode as the internal combustion engine generator group of power, gather the frequency signal of the rotating speed of internal combustion engine generator group or the AC power of output by transducer, by the control circuit of particular design, control the interchange output of this controller, the frequency of output AC electricity and the Frequency Synchronization of voltage and input AC electricity are changed, control and adjust the rotating speed of alternating current machine, thereby both retained vector controller and met the needs of alternating current machine hardware features, make again the output frequency of controller synchronize with generating unit speed (frequency of unit output), reach by the object of unit prime mover gas pedal control alternating current machine rotating speed, realization realizes infinitely variable speeds walking with gas pedal Control Engineering mechanical work mechanism action and chassis that internal combustion is sent out unit prime mover, so, make engineering machinery simulated automotive walking operating mode become possibility.
The utility model for achieving the above object, be achieved through the following technical solutions: comprise main circuit and control circuit, main circuit comprises rectifier, the output of rectifier is connected with the input of filter, the output of filter is connected with the input of the first inversion unit, the output of the first inversion unit is connected with the input of high frequency main transformer, the output of high frequency main transformer is connected with the input of hf rectifier, the output of hf rectifier is connected with the input of high frequency filter, the output of high frequency filter is connected with the input of brake unit, the output of brake unit is connected with the input of the second inversion unit, the output of the second inversion unit is connected with the input of load motor, control circuit comprises detecting unit, central controller, inverse changing driving circuit and boost control circuit.The annexation of main circuit and control circuit is as follows: rectifier is by the voltage of input, the three-phase alternating current of changeable frequency is rectified into direct current after by rectifier U13, wave filter is by resistance R70, D.C. contactor KM1, connector J1, electric capacity C3, electric capacity C4, electric capacity C24, resistance R6, resistance R7 composition, electric capacity C24 is Absorption Capacitance, electric capacity C3, electric capacity C4 is filter capacitor, resistance R6, resistance R7 is equalizing resistance, rectifier U13 positive output end is connected with inversion unit U21 positive input terminal by resistance R70, rectifier U13 negative output terminal is connected with inversion unit U21 negative input end, it is in parallel with resistance R70 that D.C. contactor KM1 often leaves electric shock, D.C. contactor KM1 coil two ends and connector J1 pin 1, 2 are connected, electric capacity C24 one end is connected with inversion unit U21 positive input terminal, the electric capacity C24 other end is connected with inversion unit U21 negative input end, electric capacity C3 connects with electric capacity C4, electric capacity C3 positive pole is connected with inversion unit U21 positive input terminal, electric capacity C4 negative pole is connected with inversion unit U21 negative input end, resistance R6 is in parallel with electric capacity C3, resistance R7 is in parallel with electric capacity C4, the direct current of input is passed through inversion unit U21 inverter output frequency 10 ~ 100kHz high-frequency alternating current by the first inversion unit, the first side winding two ends input high-frequency alternating current of high frequency main transformer medium/high frequency transformer T1, the secondary side winding two ends of high frequency transformer T1 export, the alternating current that high frequency transformer T1 secondary side winding two ends obtain is exported direct current by hf rectifier U22 rectification, high frequency filter is by reactor L1, electric capacity C25, electric capacity C5, electric capacity C6, resistance R9, resistance R10 composition, L1 is reactor, electric capacity C25 is Absorption Capacitance, electric capacity C5, electric capacity C6 is filter capacitor, resistance R9, resistance R10 is equalizing resistance, hf rectifier U22 positive output end is connected with inversion unit U23 positive input terminal by reactor L1, rectifier U22 negative output terminal is connected with inversion unit U23 negative input end, electric capacity C25 one end is connected with inversion unit U23 positive input terminal, the electric capacity C25 other end is connected with inversion unit U23 negative input end, electric capacity C5 connects with electric capacity C6, electric capacity C5 positive pole is connected with inversion unit U21 positive input terminal, electric capacity C6 negative pole is connected with inversion unit U21 negative input end, resistance R9 is in parallel with electric capacity C5, resistance R10 is in parallel with electric capacity C6, brake unit is made up of resistance R11 and power device V1, power device V1 colelctor electrode is connected with inversion unit U23 positive input terminal by resistance R11, power device V1 emitter stage is connected with inversion unit U23 negative input end, the direct current of the second inversion unit input is synchronously changed by inversion unit U23 inverter output frequency and incoming frequency and has an alternating current that is applicable to motor " hardware features ", in detecting unit, the effect of zero cross detection circuit is to detect frequency signal to send into central controller and carry out analyzing and processing, by resistance R4, resistance R5, resistance R8, optocoupler U14, optocoupler U15 composition, optocoupler U14 pin 1 is connected to three-phase alternating current R phase by resistance R4 and resistance R5,Optocoupler U14 pin 2 is connected to three-phase alternating current S-phase, optocoupler U14 pin 1 is connected with optocoupler U15 pin 2, optocoupler U12 pin 1 is connected with optocoupler U15 pin 1, optocoupler U14 pin 3 is connected with optocoupler U15 pin 3, optocoupler U12 pin 4 is connected with optocoupler U15 pin 4, optocoupler U14 pin 3 is connected to power supply 0V, optocoupler U14 pin 4 is connected to power supply+5V by resistance R8, optocoupler U14 pin 4 is connected with control chip U28 pin 30, the effect of position detecting circuit is to detect the position of main rotor in motion process to send into central controller and carry out analyzing and processing, by connector J6, diode D8 ~ D10, resistance R31 ~ R36, optocoupler U17 ~ U19 composition, connector J6 pin 1 be connected to power supply ' 0V, connector J6 pin 2 be connected to power supply ' 12V, connector J6 pin 3 is connected with diode D10 negative electrode, connector J6 pin 4 is connected with diode D9 negative electrode, connector J6 pin 5 is connected with diode D8 negative electrode, optocoupler U17 ~ U19 pin 1 is connected to power supply+5V respectively by R31 ~ R33, optocoupler U17 ~ U19 pin 2 is connected with diode D8 ~ D10 anode respectively, optocoupler U17 ~ U19 pin 4 is connected to power supply+5V respectively by resistance R34 ~ R36, optocoupler U17 ~ U19 pin 3 is connected to respectively power supply 0V, optocoupler U17 pin 4 is connected with control chip U28 pin 5, optocoupler U18 pin 4 is connected with control chip U28 pin 6, optocoupler U19 pin 4 is connected with control chip U28 pin 7, the effect of temperature sensing circuit is to detect the temperature of main circuit power device to send into central controller and carry out analyzing and processing, by connector J2, resistance R71 ~ R73, optocoupler U16 composition, optocoupler U16 pin 1 is connected to power supply+5V by resistance R71, optocoupler U16 pin 2 is connected with connector J2 pin 2, plug-in unit J2 pin 1 be connected to power supply ' 0V, optocoupler U16 pin 3 is connected to power supply 0V, optocoupler U16 pin 4 is connected to power supply+5V by resistance R72, optocoupler U16 pin 4 is connected with control chip U28 pin 27 by resistance R73, the effect of current detection circuit is to detect respectively U, V, W three-phase output current and DC bus current are sent into central controller and are carried out analyzing and processing, by connector J4, inductance L 2 ~ L5, resistance R12 ~ R14, resistance R44 ~ R47, resistance R49 ~ R53, electric capacity C41 ~ C52, resistance R17, resistance R19, resistance R55 ~ R59, resistance R63, resistance R64, the part A U24A of operational amplifier U24, the C part U24C of operational amplifier U24, the D part U24D composition of operational amplifier U24, connector J4 pin 1 is connected to power supply+12V, connector J4 pin 2 is connected to power supply-12V, connector J4 pin 3 is by inductance L 4, resistance R52 is connected with diode D14 anode, resistance R45, resistance R49, after electric capacity C45 parallel connection, one end is connected with connector J4 pin 3, the other end is connected to power supply 0V,One end of electric capacity C48 is connected with resistance R52 series connection node with inductance L 4, the other end of electric capacity C48 is connected to power supply 0V, one end of electric capacity C51 is connected with diode D14 anode, the other end of electric capacity C51 is connected to power supply 0V, connector J4 pin 4 is by inductance L 3, resistance R51 is connected with diode D13 anode, resistance R44, resistance R47, after electric capacity C51 parallel connection, one end is connected with connector J4 pin 4, the other end is connected to power supply 0V, one end of electric capacity C47 is connected with resistance R51 series connection node with inductance L 3, the other end of electric capacity C47 is connected to power supply 0V, one end of electric capacity C50 is connected with diode D13 anode, the other end of electric capacity C50 is connected to power supply 0V, connector J4 pin 5 is by inductance L 2, resistance R14 is connected with diode D15 anode, resistance R12, resistance R13, after electric capacity C41 parallel connection, one end is connected with connector J4 pin 5, the other end is connected to power supply 0V, one end of electric capacity C42 is connected with resistance R14 series connection node with inductance L 2, the other end of electric capacity C42 is connected to power supply 0V, one end of electric capacity C43 is connected with diode D15 anode, the other end of electric capacity C43 is connected to power supply 0V, connector J4 pin 6 is by inductance L 5, resistance R53 is connected with diode D15 anode, resistance R46, resistance R50, after electric capacity C46 parallel connection, one end is connected with connector J4 pin 6, the other end is connected to power supply 0V, one end of electric capacity C49 is connected with resistance R53 series connection node with inductance L 5, the other end of electric capacity C49 is connected to power supply 0V, one end of electric capacity C52 is connected with diode D15 anode, the other end of electric capacity C52 is connected to power supply 0V, operational amplifier U24 pin 12 is connected to power supply+5V by resistance R58, operational amplifier U24 pin 12 is connected to power supply 0V by resistance R59, operational amplifier U24 pin 13 is connected obtains power supply+2.5V with operational amplifier U24 pin 14, operational amplifier U24 pin 3 is connected with diode D16 anode by resistance R17, operational amplifier U24 pin 3 is crossed resistance R19 and is connected to power supply+2.5V, resistance R63 two ends respectively with operational amplifier U24 pin 1, pin 2 is connected, operational amplifier U24 pin 2 is connected to power supply 0V by resistance R55, operational amplifier U24 pin 1 is connected with the pin 2 of control chip U28, operational amplifier U24 pin 10 is connected with diode D13 anode by resistance R56, operational amplifier U24 pin 10 is crossed resistance R61 and is connected to power supply+2.5V, resistance R64 two ends respectively with operational amplifier U24 pin 8, pin 9 is connected, operational amplifier U24 pin 9 is connected to power supply 0V by resistance R57, operational amplifier U24 pin 8 is connected with the pin 3 of control chip U28, the effect of overcurrent sensing circuit is to detect any two-phase that three-phase alternating current exports whether overcurrent is sent into central controller carries out analyzing and processing, by diode D12 ~ D16, the part B U30B of operational amplifier U30, resistance R66, resistance R68, resistance R86 composition,The negative electrode of diode D13 ~ D16 is connected with operational amplifier U30 pin 6 respectively, resistance R66 two ends respectively with operational amplifier U30 pin 5, pin 7 is connected, resistance R86 pin 3 is connected with operational amplifier U30 pin 5, resistance R86 pin 1 is connected to power supply+5V, resistance R86 pin 2 is connected to power supply 0V, diode D12 negative electrode is connected with operational amplifier U30 pin 7, diode D12 anode is connected to power supply+5V by resistance R68, operational amplifier U30 pin 7 is connected with the pin 18 of control chip U28, voltage detecting circuit effect is to detect DC bus-bar voltage to send into central controller and carry out analyzing and processing, by resistance R43, resistance R48, voltage sensor U29, resistance R54, electric capacity C77 composition, voltage sensor U29 pin 1 is by resistance R43, resistance R48 is connected with inversion unit U23 positive input terminal, voltage sensor U29 pin 2 is connected with inversion unit U23 positive input terminal, voltage sensor U29 pin 3 is connected to power supply-12V, voltage sensor U29 pin 5 is connected to power supply+12V, voltage sensor U29 pin 4 is connected with operational amplifier U30 pin 2, resistance R54 is connected with voltage sensor U29 pin 4 with one end after electric capacity C77 parallel connection, the other end is connected to power supply 0V, voltage sensor U29 pin 4 is connected with the pin 4 of control chip U28, overvoltage detection circuit effect is to detect DC bus-bar voltage whether overvoltage is sent into central controller carries out analyzing and processing, by the part A U30A of operational amplifier U30, diode D11, resistance R60, resistance R62, resistance R85 composition, resistance R60 two ends respectively with operational amplifier U30 pin 1, pin 3 is connected, resistance R85 pin 3 is connected with operational amplifier U30 pin 3, resistance R85 pin 1 is connected to power supply+5V, resistance R85 pin 2 is connected to power supply 0V, diode D11 negative electrode is connected with operational amplifier U30 pin 1, diode D12 anode is connected to power supply+5V by resistance R62, operational amplifier U30 pin 1 is connected with the pin 17 of control chip U28, the power supply of central controller controls circuit chip and the driving of IGBT are powered by Voltage stabilizing module U8 ~ U12, Voltage stabilizing module U26, electric capacity C1, electric capacity C2, electric capacity C21 ~ C23, electric capacity C40 realizes, the positive input terminal of Voltage stabilizing module U8 ~ U12 be connected to power supply ' 12V, the negative input end of Voltage stabilizing module U8 ~ U12 be connected to power supply ' 0V, the positive output end of Voltage stabilizing module U8 is connected to driver module U1 pin 4, the negative output terminal of Voltage stabilizing module U8 is connected to driver module U1 pin 6, the positive output end of Voltage stabilizing module U9 is connected to driver module U2 pin 4, the negative output terminal of Voltage stabilizing module U9 is connected to driver module U2 pin 6, the positive output end of Voltage stabilizing module U10 is connected to driver module U3 pin 4, the negative output terminal of Voltage stabilizing module U10 is connected to driver module U3 pin 6, the positive output end of Voltage stabilizing module U11 is connected to the pin 4 of driver module U4 ~ U7,The negative output terminal of Voltage stabilizing module U11 is connected to the pin 6 of driver module U4 ~ U7, the positive output end of Voltage stabilizing module U12 is power supply+12V, the negative output terminal of Voltage stabilizing module U12 is power supply-12V, the public output of Voltage stabilizing module U12 is power supply 0V, electric capacity C1 and C22 parallel connection, electric capacity C1 positive pole is connected to power supply 0V, electric capacity C1 negative pole is connected to power supply-12V, electric capacity C2 and C23 parallel connection, electric capacity C2 positive pole is connected to power supply+12V, electric capacity C2 negative pole is connected to power supply 0V, Voltage stabilizing module U26 pin 1 is connected to power supply+12V, Voltage stabilizing module U26 pin 2 is connected to power supply 0V, Voltage stabilizing module U26 pin 3 out-put supplies+5V, electric capacity C21 and C40 parallel connection, electric capacity C21 positive pole is connected to power supply+5V, electric capacity C21 negative pole is connected to power supply 0V, programming port J5, crystal oscillator Y1, electric capacity C69, electric capacity C70, resistance R30, control chip U28 forms central controller, crystal oscillator Y1, electric capacity C69, electric capacity C70 is clock circuit, for central controller provides operating clock signals, resistance R37 ~ R42, resistance R69, electric capacity C71 ~ C76, the pwm signal that electric capacity C78 exports central controller carries out processing and sends into drive circuit, programming port J5 pin 1 is connected with control chip U28 pin 1, programming port J5 pin 2 is connected to power supply+5V, programming port J5 pin 2 is connected to power supply 0V, programming port J5 pin 4 is connected with control chip U28 pin 25, programming port J5 pin 5 is connected with control chip U28 pin 26, crystal oscillator Y1 two ends respectively with control chip U28 pin 13, pin 14 is connected, electric capacity C69 one end is connected with control chip U28 pin 13, the electric capacity C69 other end is connected to power supply 0V, electric capacity C70 one end is connected with control chip U28 pin 14, the electric capacity C70 other end is connected to power supply 0V, control chip U28 pin 1 is connected to power supply+5V by resistance R30, the pin 11 of control chip U28, pin 21, pin 32, pin 40 is connected to respectively power supply+5V, the pin 12 of control chip U28, pin 20, pin 31, pin 39 is connected to respectively power supply 0V, control chip U28 pin 28 is connected to driver module U7 pin 14 by resistance R69, electric capacity C78 is in parallel with resistance R69, control chip U28 pin 33 is connected to driver module U6 pin 14 by resistance R42, electric capacity C76 is in parallel with resistance R42, control chip U28 pin 34 is connected to driver module U3 pin 14 by resistance R41, electric capacity C75 is in parallel with resistance R41, control chip U28 pin 35 is connected to driver module U5 pin 14 by resistance R40, electric capacity C74 is in parallel with resistance R40, control chip U28 pin 36 is connected to driver module U2 pin 14 by resistance R39, electric capacity C73 is in parallel with resistance R39, control chip U28 pin 37 is connected to driver module U4 pin 14 by resistance R38, electric capacity C72 is in parallel with resistance R38, control chip U28 pin 38 is connected to driver module U1 pin 14 by resistance R37,Electric capacity C71 is in parallel with resistance R37, and central controller carries out Treatment Analysis according to the signal obtaining in testing circuit, output signal control D.C. contactor, this electricity routing resistance R65, resistance R67, triode Q1, connector J3, relay K 1, optocoupler U20 composition, optocoupler U20 pin 1 is connected with control chip U28 pin 29 by resistance R65, optocoupler U20 pin 2 is connected to power supply 0V, optocoupler U20 pin 4 be connected to power supply ' 12V, optocoupler U20 pin 3 is connected with triode Q1 base stage by resistance R67, triode Q1 colelctor electrode is connected with relay K 1 coil one end, the relay K 1 coil other end be connected to power supply ' 12V, one end of relay K 1 normally opened contact be connected to power supply ' 12V, the other end of relay K 1 normally opened contact is connected with connector J3 pin 1, connector J3 pin 2 is connected to power supply ' 0V, triode Q1 emitter stage be connected to power supply ' 0V, and the U-phase upper arm drive circuit of inverse changing driving circuit is by resistance R1, resistance R15, diode D1, electric capacity C7, electric capacity C9, electric capacity C26, electric capacity C28 composition, U phase underarm drive circuit is by resistance R16, resistance R18, diode D2, electric capacity C8, electric capacity C10, electric capacity C27, electric capacity C29 composition, driver module U1 ~ U7 pin 13 is connected to power supply 0V, and electric capacity C9 is in parallel with electric capacity C28, and electric capacity C9 positive pole is connected with driver module U1 pin 4, and electric capacity C9 negative pole is connected with driver module U1 pin 6, electric capacity C7, electric capacity C26, diode D1 parallel connection, electric capacity C7 positive pole is connected with diode D1 negative electrode, electric capacity C7 is anodal to be passed through resistance R15 and is connected with driver module U1 pin 4, electric capacity C7 negative pole is connected with driver module U1 pin 6, driver module U1 pin 5 is connected with inversion unit U23 pin 20 (GUP) by resistance R1, electric capacity C7 is anodal to be connected with inversion unit U23 pin 21 (EUP), electric capacity C10 is in parallel with electric capacity C29, electric capacity C10 positive pole is connected with driver module U4 pin 4, electric capacity C10 negative pole is connected with driver module U4 pin 6, electric capacity C8, electric capacity C27, diode D2 parallel connection, electric capacity C8 positive pole is connected with diode D2 negative electrode, electric capacity C8 is anodal to be passed through resistance R16 and is connected with driver module U4 pin 4, electric capacity C8 negative pole is connected with driver module U4 pin 6, driver module U4 pin 5 is connected with inversion unit U23 pin 4 (GUN) by resistance R18, electric capacity C8 is anodal to be connected with inversion unit U23 pin 5 (EUN), and V-phase upper arm drive circuit is by resistance R2, resistance R20, diode D3, electric capacity C11, electric capacity C13, electric capacity C30, electric capacity C32 composition, V phase underarm drive circuit is by resistance R21, resistance R22, diode D4, electric capacity C12, electric capacity C14, electric capacity C31, electric capacity C33 composition, electric capacity C13 is in parallel with electric capacity C32, and electric capacity C13 positive pole is connected with driver module U2 pin 4, and electric capacity C13 negative pole is connected with driver module U2 pin 6, electric capacity C11, electric capacity C30, diode D3 parallel connection,Electric capacity C11 positive pole is connected with diode D3 negative electrode, electric capacity C11 is anodal to be passed through resistance R20 and is connected with driver module U2 pin 4, electric capacity C11 negative pole is connected with driver module U2 pin 6, driver module U2 pin 5 is connected with inversion unit U23 pin 22 (GVP) by resistance R2, electric capacity C11 is anodal to be connected with inversion unit U23 pin 23 (EVP), electric capacity C14 is in parallel with electric capacity C33, electric capacity C14 positive pole is connected with driver module U5 pin 4, electric capacity C14 negative pole is connected with driver module U5 pin 6, electric capacity C12, electric capacity C31, diode D4 parallel connection, electric capacity C12 positive pole is connected with diode D4 negative electrode, electric capacity C12 is anodal to be passed through resistance R21 and is connected with driver module U5 pin 4, electric capacity C12 negative pole is connected with driver module U5 pin 6, driver module U5 pin 5 is connected with inversion unit U23 pin 6 (GVN) by resistance R22, electric capacity C12 is anodal to be connected with inversion unit U23 pin 7 (EVN), W phase upper arm drive circuit is by resistance R3, resistance R23, diode D5, electric capacity C15, electric capacity C17, electric capacity C34, electric capacity C36 composition, W phase underarm drive circuit is by resistance R24, resistance R25, diode D6, electric capacity C16, electric capacity C18, electric capacity C35, electric capacity C37 composition, electric capacity C17 is in parallel with electric capacity C36, electric capacity C17 positive pole is connected with driver module U3 pin 4, electric capacity C17 negative pole is connected with driver module U3 pin 6, electric capacity C15, electric capacity C34, diode D5 parallel connection, electric capacity C15 positive pole is connected with diode D5 negative electrode, electric capacity C15 is anodal to be passed through resistance R23 and is connected with driver module U3 pin 4, electric capacity C15 negative pole is connected with driver module U3 pin 6, driver module U3 pin 5 is connected with inversion unit U23 pin 24 (GWP) by resistance R3, electric capacity C15 is anodal to be connected with inversion unit U23 pin 25 (EWP), electric capacity C18 is in parallel with electric capacity C37, electric capacity C18 positive pole is connected with driver module U6 pin 4, electric capacity C18 negative pole is connected with driver module U6 pin 6, electric capacity C16, electric capacity C35, diode D6 parallel connection, electric capacity C16 positive pole is connected with diode D6 negative electrode, electric capacity C16 is anodal to be passed through resistance R24 and is connected with driver module U6 pin 4, electric capacity C16 negative pole is connected with driver module U6 pin 6, driver module U6 pin 5 is connected with inversion unit U23 pin 8 (GWN) by resistance R25, electric capacity C16 is anodal to be connected with inversion unit U23 pin 9 (EWN), brake unit drive circuit is by resistance R26, resistance R27, diode D7, electric capacity C19, electric capacity C20, electric capacity C38, electric capacity C39 composition, electric capacity C20 is in parallel with electric capacity C39, electric capacity C20 positive pole is connected with driver module U7 pin 4, electric capacity C20 negative pole is connected with driver module U7 pin 6, electric capacity C19, electric capacity C38, diode D7 parallel connection, electric capacity C19 positive pole is connected with diode D6 negative electrode,Electric capacity C19 is anodal to be passed through resistance R26 and is connected with driver module U7 pin 4, electric capacity C19 negative pole is connected with driver module U7 pin 6, driver module U7 pin 5 is connected with power device V1 grid by resistance R27, electric capacity C19 positive pole is connected with power device V1 emitter stage, resistance R28 in boost control circuit, after resistance R29 dividing potential drop, obtain+6V voltage after the voltage follower that C part U25C by operational amplifier U25 forms, the part A U27A reverse input end voltage of operational amplifier U27 and+6V voltage are through by resistance R81 ~ R84, the voltage that the voltage signal that obtains after the subtracter of the part B U25B composition of operational amplifier U25 obtains after the voltage follower of the part A U25A of operational amplifier U25 composition is by resistance R78 ~ R80, diode D17, diode D18, diode D21 discharges and recharges network electric capacity C83 is discharged and recharged, electric capacity C83 obtains to determining voltage signal QG, operational amplifier U25 pin 10 is connected to power supply+12V by resistance R28, operational amplifier U25 pin 10 is connected to power supply 0V by resistance R29, operational amplifier U25 pin 8 is connected obtains power supply+6V with operational amplifier U25 pin 9, operational amplifier U25 pin 5 is connected to power supply+6V by resistance R84, operational amplifier U25 pin 5 is connected to power supply 0V by resistance R83, operational amplifier U25 pin 6 is connected with operational amplifier U27 pin 2 by resistance R82, resistance R81 two ends respectively with operational amplifier U25 pin 6, pin 7 is connected, operational amplifier U25 pin 3 is connected with operational amplifier U25 pin 7, operational amplifier U25 pin 1 is connected with operational amplifier U25 pin 2, it is in parallel with resistance R79 after resistance R80 connects with diode D21, diode D21 negative electrode is connected with operational amplifier U25 pin 1, the other end of resistance R80 is connected with electric capacity C83 is anodal, electric capacity C83 negative pole is connected to power supply 0V, resistance R78 connects with diode D17, the other end of resistance R78 is connected with electric capacity C83 is anodal, diode D17 negative electrode is connected with operational amplifier U27 pin 7, diode D18 anode is connected with diode D17 anode, diode D18 negative electrode is connected with operational amplifier U27 pin 1, current protection indicating circuit is by resistance R77, diode D19 forms, part A U27A and the resistance R76 of operational amplifier U27 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on resistance R117, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output current by adjusting resistance R117 value, resistance R117 pin 1 be connected to+5V power supply, resistance R117 pin 3 is connected to power supply 0V, resistance R117 pin 2 is connected with operational amplifier U27 pin 3, operational amplifier U27 pin 3 is connected with operational amplifier U27 pin 1 by resistance R76,Resistance R77 is connected with diode D19, be connected to+5V of diode D19 anode power supply, the resistance R77 other end be connected with operational amplifier U27 pin 1, overvoltage indicating circuit is by resistance R74, diode D20 forms, part B U27B and the resistance R75 of operational amplifier U27 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on resistance R116, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output voltage by adjusting resistance R116 value, resistance R116 pin 1 be connected to+5V power supply, resistance R116 pin 3 is connected to power supply 0V, resistance R116 pin 2 is connected with operational amplifier U27 pin 5, operational amplifier U27 pin 5 is connected with operational amplifier U27 pin 7 by resistance R75, resistance R74 and diode D20, diode D20 negative electrode be connected with operational amplifier U27 pin 7, be connected to+5V of resistance R74 other end power supply, give determining voltage signal QG through electric capacity C53 ~ C55, resistance R87 ~ R89, the filter network of operational amplifier U31 composition is to 5 pin of control chip U33, for U33 work provides Setting signal, one end of resistance R87 is connected with electric capacity C53, the electric capacity C53 other end is connected to power supply 0V, the other end of resistance R87 is connected with the in-phase input end of operational amplifier U31, resistance R88 is connected with the in-phase input end of operational amplifier U31 with one end after electric capacity C54 parallel connection, the other end is connected to power supply 0V, the inverting input of operational amplifier U31 is connected with output, control chip U33 pin 5 is connected to by resistance R89, the pin 5 of control chip U33 is connected with electric capacity C55 one end, the electric capacity C55 other end is connected to power supply 0V, resistance R90, resistance R92, electric capacity C79, electric capacity C80 makes the control chip U33 work can soft start, resistance R92 is in parallel with electric capacity C80, positive pole and the control chip U33 pin 1 of electric capacity C80, the negative pole of electric capacity C80 is connected to power supply 0V, resistance R90 connects with electric capacity C79, the negative pole of electric capacity C79 is connected to power supply 0V, positive pole and the control chip U33 pin 2 of electric capacity C80, the other end of resistance R90 is connected with control chip U33 pin 1, current sensor is sampled gained signal through resistance R97 ~ R101 to high frequency transformer T1 primary side current, the filter network of electric capacity C63 composition is to 4 pin of control chip U33, for control chip U33 work provides Setting signal, resistance R99 connects with resistance R101, the other end of resistance R101 is connected with the output of current sensor, the other end of resistance R99 is connected with control chip U33 pin 4, control chip U33 pin 4 is by be connected to-15V of resistance R97 power supply, control chip U33 pin 4 is connected to power supply 0V by resistance R98, harmonic compensation electricity routing resistance R94, resistance R95, electric capacity C57, electric capacity C60, operational amplifier U32 composition,The in-phase input end of operational amplifier U32 is connected with control chip U33 pin 8, the inverting input of operational amplifier U32 is connected with output, resistance R94, in parallel with resistance R95 and electric capacity C57 after electric capacity C60 series connection, electric capacity C57 one end is connected with control chip U33 pin 4, the electric capacity C57 other end is connected with operational amplifier U32 output, concussion timing circuit is by resistance R91, resistance R93, electric capacity C56, electric capacity C58 composition, resistance R91 is in parallel with resistance R93, one end is connected with control chip U33 pin 8, the other end is connected to power supply 0V, electric capacity C56 is in parallel with electric capacity C58, one end is connected with control chip U33 pin 9, the other end is connected to power supply 0V, current sensor is sampled gained signal through resistance R100 ~ R102 to high frequency transformer T1 primary side current, electric capacity C62, electric capacity C63 turns off for control chip U33 provides outside, resistance R101 and resistance R102 are connected in series to control chip U33 pin 16, resistance R100 is in parallel with electric capacity C62, one end is connected with control chip U33 pin 16, the other end is connected to power supply 0V, resistance R96 is the protective resistance of control chip U33 output stage biased voltage input, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 is filter capacitor, resistance R96 two ends respectively with control chip U33 pin 13, pin 15 is connected, electric capacity C59 is in parallel with electric capacity C81, one end is connected with control chip U33 pin 15, the other end is connected to power supply 0V, electric capacity C61 is in parallel with electric capacity C82, one end is connected with control chip U33 pin 13, the other end is connected to power supply 0V, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 is filter capacitor, by resistance R103 ~ R105, resistance R113, resistance R114, diode D22, diode D23, triode Q2 ~ Q5, electric capacity C68 forms full-bridge circuit, two paths of signals is through isolating transformer T2, isolating transformer T3, resistance R106 ~ R112, resistance R115, diode D24 ~ D27, electric capacity C64 ~ C67 becomes four road signals and drives inversion unit U21, the base stage of triode Q2 is connected with control chip U33 pin 14 by resistance R103, the base stage of triode Q4 is connected with control chip U33 pin 14 by resistance R104, the negative electrode of diode D22 is connected with control chip U33 pin 14, the anode of diode D22 is connected to power supply 0V, the base stage of triode Q3 is connected with control chip U33 pin 11 by resistance R105, the base stage of triode Q5 is connected with control chip U33 pin 11 by resistance R113, the negative electrode of diode D23 is connected with control chip U33 pin 11, the anode of diode D11 is connected to power supply 0V, after being connected with triode Q4 colelctor electrode, triode Q2 colelctor electrode is connected with the pin 1 of isolating transformer T3 with isolating transformer T2, after triode Q3 colelctor electrode is connected with triode Q5 colelctor electrode, be connected with the one end after resistance R114 and electric capacity C68 parallel connection,Resistance R114 is connected with the pin 2 of isolating transformer T3 with isolating transformer T2 with the other end after electric capacity C68 parallel connection, triode Q4 emitter stage is connected to power supply 0V, triode Q5 emitter stage is connected to power supply 0V, triode Q2 emitter stage is connected with triode Q3 emitter stage, it is in parallel with resistance R106 after diode D24 connects with resistance R110, diode D24 negative electrode is connected with isolating transformer T2 pin 6, the other end of resistance R110 is connected with electric capacity C64 one end, the electric capacity C64 other end is connected with isolating transformer T2 pin 5, it is in parallel with resistance R107 after diode D25 connects with resistance R111, diode D25 negative electrode is connected with isolating transformer T2 pin 3, the other end of resistance R111 is connected with electric capacity C65 one end, the electric capacity C65 other end is connected with isolating transformer T2 pin 4, it is in parallel with resistance R108 after diode D26 connects with resistance R112, diode D26 negative electrode is connected with isolating transformer T3 pin 6, the other end of resistance R112 is connected with electric capacity C66 one end, the electric capacity C66 other end is connected with isolating transformer T3 pin 5, it is in parallel with resistance R109 after diode D27 connects with resistance R115, diode D27 negative electrode is connected with isolating transformer T3 pin 3, the other end of resistance R115 is connected with electric capacity C67 one end, the electric capacity C67 other end is connected with isolating transformer T3 pin 4, respectively at electric capacity C64, electric capacity C65, electric capacity C66, electric capacity C67 two ends obtain four road signals and send to driving inversion unit U21.Main circuit and control circuit are installed in housing.
The utility model has the advantage of: utilize vector converter control technology, design a kind of synchronous frequency conversion formula alternating current machine frequency-variable controller, this controller retains the hardware features of conventional vector converter controller, design control circuit adopts synchronization control circuit, that is: be operated in speed variable operating mode as the internal combustion engine generator group of power, gather the frequency signal of the rotating speed of internal combustion engine generator group or the AC power of output by transducer, by the control circuit of particular design, control the interchange output of this controller, the frequency of output AC electricity and the Frequency Synchronization of voltage and input AC electricity are changed, control and adjust the rotating speed of alternating current machine, thereby both retained vector controller and met the needs of alternating current machine hardware features, make again the output frequency of controller synchronize with generating unit speed (frequency of unit output), reach by the object of unit prime mover gas pedal control alternating current machine rotating speed, realization realizes infinitely variable speeds walking with gas pedal Control Engineering mechanical work mechanism action and chassis that internal combustion is sent out unit prime mover, so, make engineering machinery simulated automotive walking operating mode become possibility.
Brief description of the drawings
Fig. 1 is the utility model circuit connecting relation schematic diagram;
Fig. 2 is one of the utility model electrical schematic diagram, and Fig. 2 right side and Fig. 3 left side join, and Yu Tu4 top, Fig. 2 bottom joins;
Fig. 3 is two of the utility model electrical schematic diagram, and Fig. 3 left side joins with Fig. 2 right side, and Yu Tu5 top, Fig. 3 bottom joins;
Fig. 4 is three of the utility model electrical schematic diagram, and Yu Tu2 bottom, Fig. 4 top joins, and Fig. 4 right side and Fig. 5 left side join;
Fig. 5 is four of the utility model electrical schematic diagram, and Yu Tu3 bottom, Fig. 5 top joins, and Fig. 5 left side joins with Fig. 4 right side;
Fig. 6 is the utility model structural representation, is mainly depicted as main circuit and control circuit is arranged in housing in figure.
Embodiment
Synchronous frequency conversion formula alternating current machine vector converter controller described in the utility model comprises main circuit 61 and control circuit 62, main circuit 61 comprises rectifier 1, the output of rectifier 1 is connected with the input of filter 2, the output of filter 2 is connected with the input of the first inversion unit 3, the output of the first inversion unit 3 is connected with the input of high frequency main transformer 4, the output of high frequency main transformer 4 is connected with the input of hf rectifier 5, the output of hf rectifier 5 is connected with the input of high frequency filter 6, the output of high frequency filter 6 is connected with the input of brake unit 7, the output of brake unit 7 is connected with the input of the second inversion unit 8, the output of the second inversion unit 8 is connected with the input of load motor 13, control circuit 62 comprises detecting unit 9, central controller 10, inverse changing driving circuit 11 and boost control circuit 12.The utility model patent be to provide a kind of with frequency conversion, transformation exchange internal combustion engine generator group as power, realize to alternating current machine carried out variable frequency regulating speed control, reach infinitely variable speeds and drive the electric equipment of object.As providing the internal combustion engine generator group of power in the time using this controller control alternating current machine to drive, to be operated in speed variable operating mode, the running rotating speed of the gas pedal control unit by unit prime mover gasoline engine, diesel engine or natural gas engine, makes the alternating current of unit to natural frequency conversion of controller output, transformation.The alternating current of variable frequency of this controller output, variable voltage, and the ac frequency of output is synchronizeed and is changed with the ac frequency of input.Exchange operation and movable motor infinitely variable speeds, reach the walk object of characteristic of simulated automotive with the control of unit prime mover gas pedal thereby realize.The utility model has reduced the energy consumption while walking in chassis, reaches the object of raising the efficiency and reducing costs greatly, has reduced the noise that while walking in chassis, generating set sends simultaneously, makes motor vehicle simulated automotive walking operating mode become possibility.
The annexation of main circuit 61 described in the utility model and control circuit 62 is as follows: rectifier 1 is by the voltage of input, the three-phase alternating current of changeable frequency is rectified into direct current after by rectifier U13, wave filter 2 is by resistance R70, D.C. contactor KM1, connector J1, electric capacity C3, electric capacity C4, electric capacity C24, resistance R6, resistance R7 composition, electric capacity C24 is Absorption Capacitance, electric capacity C3, electric capacity C4 is filter capacitor, resistance R6, resistance R7 is equalizing resistance, rectifier U13 positive output end is connected with inversion unit U21 positive input terminal by resistance R70, rectifier U13 negative output terminal is connected with inversion unit U21 negative input end, it is in parallel with resistance R70 that D.C. contactor KM1 often leaves electric shock, D.C. contactor KM1 coil two ends and connector J1 pin 1, 2 are connected, electric capacity C24 one end is connected with inversion unit U21 positive input terminal, the electric capacity C24 other end is connected with inversion unit U21 negative input end, electric capacity C3 connects with electric capacity C4, electric capacity C3 positive pole is connected with inversion unit U21 positive input terminal, electric capacity C4 negative pole is connected with inversion unit U21 negative input end, resistance R6 is in parallel with electric capacity C3, resistance R7 is in parallel with electric capacity C4, the direct current of input is passed through inversion unit U21 inverter output frequency 10 ~ 100kHz high-frequency alternating current by the first inversion unit 3, the first side winding two ends input high-frequency alternating current of high frequency main transformer 4 medium/high frequency transformer T1, the secondary side winding two ends of high frequency transformer T1 export, the alternating current that high frequency transformer T1 secondary side winding two ends obtain is exported direct current by hf rectifier 5U22 rectification, high frequency filter 6 is by reactor L1, electric capacity C25, electric capacity C5, electric capacity C6, resistance R9, resistance R10 composition, L1 is reactor, electric capacity C25 is Absorption Capacitance, electric capacity C5, electric capacity C6 is filter capacitor, resistance R9, resistance R10 is equalizing resistance, hf rectifier U22 positive output end is connected with inversion unit U23 positive input terminal by reactor L1, rectifier U22 negative output terminal is connected with inversion unit U23 negative input end, electric capacity C25 one end is connected with inversion unit U23 positive input terminal, the electric capacity C25 other end is connected with inversion unit U23 negative input end, electric capacity C5 connects with electric capacity C6, electric capacity C5 positive pole is connected with inversion unit U21 positive input terminal, electric capacity C6 negative pole is connected with inversion unit U21 negative input end, resistance R9 is in parallel with electric capacity C5, resistance R10 is in parallel with electric capacity C6, brake unit 7 is made up of resistance R11 and power device V1, power device V1 colelctor electrode is connected with inversion unit U23 positive input terminal by resistance R11, power device V1 emitter stage is connected with inversion unit U23 negative input end, direct current that the second inversion unit 8 inputs synchronously is changed by inversion unit U23 inverter output frequency and incoming frequency and has an alternating current that is applicable to motor " hardware features ", in detecting unit 9, the effect of zero cross detection circuit is to detect frequency signal to send into central controller and carry out analyzing and processing, by resistance R4, resistance R5, resistance R8, optocoupler U14, optocoupler U15 composition,Optocoupler U14 pin 1 is connected to three-phase alternating current R phase by resistance R4 and resistance R5, optocoupler U14 pin 2 is connected to three-phase alternating current S-phase, optocoupler U14 pin 1 is connected with optocoupler U15 pin 2, optocoupler U12 pin 1 is connected with optocoupler U15 pin 1, optocoupler U14 pin 3 is connected with optocoupler U15 pin 3, optocoupler U12 pin 4 is connected with optocoupler U15 pin 4, optocoupler U14 pin 3 is connected to power supply 0V, optocoupler U14 pin 4 is connected to power supply+5V by resistance R8, optocoupler U14 pin 4 is connected with control chip U28 pin 30, the effect of position detecting circuit is to detect the position of main rotor in motion process to send into central controller and carry out analyzing and processing, by connector J6, diode D8 ~ D10, resistance R31 ~ R36, optocoupler U17 ~ U19 composition, connector J6 pin 1 be connected to power supply ' 0V, connector J6 pin 2 be connected to power supply ' 12V, connector J6 pin 3 is connected with diode D10 negative electrode, connector J6 pin 4 is connected with diode D9 negative electrode, connector J6 pin 5 is connected with diode D8 negative electrode, optocoupler U17 ~ U19 pin 1 is connected to power supply+5V respectively by R31 ~ R33, optocoupler U17 ~ U19 pin 2 is connected with diode D8 ~ D10 anode respectively, optocoupler U17 ~ U19 pin 4 is connected to power supply+5V respectively by resistance R34 ~ R36, optocoupler U17 ~ U19 pin 3 is connected to respectively power supply 0V, optocoupler U17 pin 4 is connected with control chip U28 pin 5, optocoupler U18 pin 4 is connected with control chip U28 pin 6, optocoupler U19 pin 4 is connected with control chip U28 pin 7, the effect of temperature sensing circuit is to detect the temperature of main circuit power device to send into central controller and carry out analyzing and processing, by connector J2, resistance R71 ~ R73, optocoupler U16 composition, optocoupler U16 pin 1 is connected to power supply+5V by resistance R71, optocoupler U16 pin 2 is connected with connector J2 pin 2, plug-in unit J2 pin 1 be connected to power supply ' 0V, optocoupler U16 pin 3 is connected to power supply 0V, optocoupler U16 pin 4 is connected to power supply+5V by resistance R72, optocoupler U16 pin 4 is connected with control chip U28 pin 27 by resistance R73, the effect of current detection circuit is to detect respectively U, V, W three-phase output current and DC bus current are sent into central controller and are carried out analyzing and processing, by connector J4, inductance L 2 ~ L5, resistance R12 ~ R14, resistance R44 ~ R47, resistance R49 ~ R53, electric capacity C41 ~ C52, resistance R17, resistance R19, resistance R55 ~ R59, resistance R63, resistance R64, the part A U24A of operational amplifier U24, the C part U24C of operational amplifier U24, the D part U24D composition of operational amplifier U24, connector J4 pin 1 is connected to power supply+12V, connector J4 pin 2 is connected to power supply-12V, connector J4 pin 3 is by inductance L 4, resistance R52 is connected with diode D14 anode, resistance R45, resistance R49,After electric capacity C45 parallel connection, one end is connected with connector J4 pin 3, the other end is connected to power supply 0V, one end of electric capacity C48 is connected with resistance R52 series connection node with inductance L 4, the other end of electric capacity C48 is connected to power supply 0V, one end of electric capacity C51 is connected with diode D14 anode, the other end of electric capacity C51 is connected to power supply 0V, connector J4 pin 4 is by inductance L 3, resistance R51 is connected with diode D13 anode, resistance R44, resistance R47, after electric capacity C51 parallel connection, one end is connected with connector J4 pin 4, the other end is connected to power supply 0V, one end of electric capacity C47 is connected with resistance R51 series connection node with inductance L 3, the other end of electric capacity C47 is connected to power supply 0V, one end of electric capacity C50 is connected with diode D13 anode, the other end of electric capacity C50 is connected to power supply 0V, connector J4 pin 5 is by inductance L 2, resistance R14 is connected with diode D15 anode, resistance R12, resistance R13, after electric capacity C41 parallel connection, one end is connected with connector J4 pin 5, the other end is connected to power supply 0V, one end of electric capacity C42 is connected with resistance R14 series connection node with inductance L 2, the other end of electric capacity C42 is connected to power supply 0V, one end of electric capacity C43 is connected with diode D15 anode, the other end of electric capacity C43 is connected to power supply 0V, connector J4 pin 6 is by inductance L 5, resistance R53 is connected with diode D15 anode, resistance R46, resistance R50, after electric capacity C46 parallel connection, one end is connected with connector J4 pin 6, the other end is connected to power supply 0V, one end of electric capacity C49 is connected with resistance R53 series connection node with inductance L 5, the other end of electric capacity C49 is connected to power supply 0V, one end of electric capacity C52 is connected with diode D15 anode, the other end of electric capacity C52 is connected to power supply 0V, operational amplifier U24 pin 12 is connected to power supply+5V by resistance R58, operational amplifier U24 pin 12 is connected to power supply 0V by resistance R59, operational amplifier U24 pin 13 is connected obtains power supply+2.5V with operational amplifier U24 pin 14, operational amplifier U24 pin 3 is connected with diode D16 anode by resistance R17, operational amplifier U24 pin 3 is crossed resistance R19 and is connected to power supply+2.5V, resistance R63 two ends respectively with operational amplifier U24 pin 1, pin 2 is connected, operational amplifier U24 pin 2 is connected to power supply 0V by resistance R55, operational amplifier U24 pin 1 is connected with the pin 2 of control chip U28, operational amplifier U24 pin 10 is connected with diode D13 anode by resistance R56, operational amplifier U24 pin 10 is crossed resistance R61 and is connected to power supply+2.5V, resistance R64 two ends respectively with operational amplifier U24 pin 8, pin 9 is connected, operational amplifier U24 pin 9 is connected to power supply 0V by resistance R57, operational amplifier U24 pin 8 is connected with the pin 3 of control chip U28, the effect of overcurrent sensing circuit is to detect any two-phase that three-phase alternating current exports whether overcurrent is sent into central controller carries out analyzing and processing, by diode D12 ~ D16,The part B U30B of operational amplifier U30, resistance R66, resistance R68, resistance R86 composition, the negative electrode of diode D13 ~ D16 is connected with operational amplifier U30 pin 6 respectively, resistance R66 two ends respectively with operational amplifier U30 pin 5, pin 7 is connected, resistance R86 pin 3 is connected with operational amplifier U30 pin 5, resistance R86 pin 1 is connected to power supply+5V, resistance R86 pin 2 is connected to power supply 0V, diode D12 negative electrode is connected with operational amplifier U30 pin 7, diode D12 anode is connected to power supply+5V by resistance R68, operational amplifier U30 pin 7 is connected with the pin 18 of control chip U28, voltage detecting circuit effect is to detect DC bus-bar voltage to send into central controller and carry out analyzing and processing, by resistance R43, resistance R48, voltage sensor U29, resistance R54, electric capacity C77 composition, voltage sensor U29 pin 1 is by resistance R43, resistance R48 is connected with inversion unit U23 positive input terminal, voltage sensor U29 pin 2 is connected with inversion unit U23 positive input terminal, voltage sensor U29 pin 3 is connected to power supply-12V, voltage sensor U29 pin 5 is connected to power supply+12V, voltage sensor U29 pin 4 is connected with operational amplifier U30 pin 2, resistance R54 is connected with voltage sensor U29 pin 4 with one end after electric capacity C77 parallel connection, the other end is connected to power supply 0V, voltage sensor U29 pin 4 is connected with the pin 4 of control chip U28, overvoltage detection circuit effect is to detect DC bus-bar voltage whether overvoltage is sent into central controller carries out analyzing and processing, by the part A U30A of operational amplifier U30, diode D11, resistance R60, resistance R62, resistance R85 composition, resistance R60 two ends respectively with operational amplifier U30 pin 1, pin 3 is connected, resistance R85 pin 3 is connected with operational amplifier U30 pin 3, resistance R85 pin 1 is connected to power supply+5V, resistance R85 pin 2 is connected to power supply 0V, diode D11 negative electrode is connected with operational amplifier U30 pin 1, diode D12 anode is connected to power supply+5V by resistance R62, operational amplifier U30 pin 1 is connected with the pin 17 of control chip U28, central controller 10 power supply of control circuit chip and the driving of IGBT are powered by Voltage stabilizing module U8 ~ U12, Voltage stabilizing module U26, electric capacity C1, electric capacity C2, electric capacity C21 ~ C23, electric capacity C40 realizes, the positive input terminal of Voltage stabilizing module U8 ~ U12 be connected to power supply ' 12V, the negative input end of Voltage stabilizing module U8 ~ U12 be connected to power supply ' 0V, the positive output end of Voltage stabilizing module U8 is connected to driver module U1 pin 4, the negative output terminal of Voltage stabilizing module U8 is connected to driver module U1 pin 6, the positive output end of Voltage stabilizing module U9 is connected to driver module U2 pin 4, the negative output terminal of Voltage stabilizing module U9 is connected to driver module U2 pin 6, the positive output end of Voltage stabilizing module U10 is connected to driver module U3 pin 4, the negative output terminal of Voltage stabilizing module U10 is connected to driver module U3 pin 6,The positive output end of Voltage stabilizing module U11 is connected to the pin 4 of driver module U4 ~ U7, the negative output terminal of Voltage stabilizing module U11 is connected to the pin 6 of driver module U4 ~ U7, the positive output end of Voltage stabilizing module U12 is power supply+12V, the negative output terminal of Voltage stabilizing module U12 is power supply-12V, the public output of Voltage stabilizing module U12 is power supply 0V, electric capacity C1 and C22 parallel connection, electric capacity C1 positive pole is connected to power supply 0V, electric capacity C1 negative pole is connected to power supply-12V, electric capacity C2 and C23 parallel connection, electric capacity C2 positive pole is connected to power supply+12V, electric capacity C2 negative pole is connected to power supply 0V, Voltage stabilizing module U26 pin 1 is connected to power supply+12V, Voltage stabilizing module U26 pin 2 is connected to power supply 0V, Voltage stabilizing module U26 pin 3 out-put supplies+5V, electric capacity C21 and C40 parallel connection, electric capacity C21 positive pole is connected to power supply+5V, electric capacity C21 negative pole is connected to power supply 0V, programming port J5, crystal oscillator Y1, electric capacity C69, electric capacity C70, resistance R30, control chip U28 forms central controller, crystal oscillator Y1, electric capacity C69, electric capacity C70 is clock circuit, for central controller provides operating clock signals, resistance R37 ~ R42, resistance R69, electric capacity C71 ~ C76, the pwm signal that electric capacity C78 exports central controller carries out processing and sends into drive circuit, programming port J5 pin 1 is connected with control chip U28 pin 1, programming port J5 pin 2 is connected to power supply+5V, programming port J5 pin 2 is connected to power supply 0V, programming port J5 pin 4 is connected with control chip U28 pin 25, programming port J5 pin 5 is connected with control chip U28 pin 26, crystal oscillator Y1 two ends respectively with control chip U28 pin 13, pin 14 is connected, electric capacity C69 one end is connected with control chip U28 pin 13, the electric capacity C69 other end is connected to power supply 0V, electric capacity C70 one end is connected with control chip U28 pin 14, the electric capacity C70 other end is connected to power supply 0V, control chip U28 pin 1 is connected to power supply+5V by resistance R30, the pin 11 of control chip U28, pin 21, pin 32, pin 40 is connected to respectively power supply+5V, the pin 12 of control chip U28, pin 20, pin 31, pin 39 is connected to respectively power supply 0V, control chip U28 pin 28 is connected to driver module U7 pin 14 by resistance R69, electric capacity C78 is in parallel with resistance R69, control chip U28 pin 33 is connected to driver module U6 pin 14 by resistance R42, electric capacity C76 is in parallel with resistance R42, control chip U28 pin 34 is connected to driver module U3 pin 14 by resistance R41, electric capacity C75 is in parallel with resistance R41, control chip U28 pin 35 is connected to driver module U5 pin 14 by resistance R40, electric capacity C74 is in parallel with resistance R40, control chip U28 pin 36 is connected to driver module U2 pin 14 by resistance R39, electric capacity C73 is in parallel with resistance R39, control chip U28 pin 37 is connected to driver module U4 pin 14 by resistance R38, electric capacity C72 is in parallel with resistance R38,Control chip U28 pin 38 is connected to driver module U1 pin 14 by resistance R37, and electric capacity C71 is in parallel with resistance R37, and central controller carries out Treatment Analysis according to the signal obtaining in testing circuit, output signal control D.C. contactor, this electricity routing resistance R65, resistance R67, triode Q1, connector J3, relay K 1, optocoupler U20 composition, optocoupler U20 pin 1 is connected with control chip U28 pin 29 by resistance R65, optocoupler U20 pin 2 is connected to power supply 0V, optocoupler U20 pin 4 be connected to power supply ' 12V, optocoupler U20 pin 3 is connected with triode Q1 base stage by resistance R67, triode Q1 colelctor electrode is connected with relay K 1 coil one end, the relay K 1 coil other end be connected to power supply ' 12V, one end of relay K 1 normally opened contact be connected to power supply ' 12V, the other end of relay K 1 normally opened contact is connected with connector J3 pin 1, connector J3 pin 2 is connected to power supply ' 0V, triode Q1 emitter stage be connected to power supply ' 0V, and the U-phase upper arm drive circuit of inverse changing driving circuit 11 is by resistance R1, resistance R15, diode D1, electric capacity C7, electric capacity C9, electric capacity C26, electric capacity C28 composition, U phase underarm drive circuit is by resistance R16, resistance R18, diode D2, electric capacity C8, electric capacity C10, electric capacity C27, electric capacity C29 composition, driver module U1 ~ U7 pin 13 is connected to power supply 0V, and electric capacity C9 is in parallel with electric capacity C28, and electric capacity C9 positive pole is connected with driver module U1 pin 4, and electric capacity C9 negative pole is connected with driver module U1 pin 6, electric capacity C7, electric capacity C26, diode D1 parallel connection, electric capacity C7 positive pole is connected with diode D1 negative electrode, electric capacity C7 is anodal to be passed through resistance R15 and is connected with driver module U1 pin 4, electric capacity C7 negative pole is connected with driver module U1 pin 6, driver module U1 pin 5 is connected with inversion unit U23 pin 20 (GUP) by resistance R1, electric capacity C7 is anodal to be connected with inversion unit U23 pin 21 (EUP), electric capacity C10 is in parallel with electric capacity C29, electric capacity C10 positive pole is connected with driver module U4 pin 4, electric capacity C10 negative pole is connected with driver module U4 pin 6, electric capacity C8, electric capacity C27, diode D2 parallel connection, electric capacity C8 positive pole is connected with diode D2 negative electrode, electric capacity C8 is anodal to be passed through resistance R16 and is connected with driver module U4 pin 4, electric capacity C8 negative pole is connected with driver module U4 pin 6, driver module U4 pin 5 is connected with inversion unit U23 pin 4 (GUN) by resistance R18, electric capacity C8 is anodal to be connected with inversion unit U23 pin 5 (EUN), and V-phase upper arm drive circuit is by resistance R2, resistance R20, diode D3, electric capacity C11, electric capacity C13, electric capacity C30, electric capacity C32 composition, V phase underarm drive circuit is by resistance R21, resistance R22, diode D4, electric capacity C12, electric capacity C14, electric capacity C31, electric capacity C33 composition, electric capacity C13 is in parallel with electric capacity C32, and electric capacity C13 positive pole is connected with driver module U2 pin 4,Electric capacity C13 negative pole is connected with driver module U2 pin 6, electric capacity C11, electric capacity C30, diode D3 parallel connection, electric capacity C11 positive pole is connected with diode D3 negative electrode, electric capacity C11 is anodal to be passed through resistance R20 and is connected with driver module U2 pin 4, electric capacity C11 negative pole is connected with driver module U2 pin 6, driver module U2 pin 5 is connected with inversion unit U23 pin 22 (GVP) by resistance R2, electric capacity C11 is anodal to be connected with inversion unit U23 pin 23 (EVP), electric capacity C14 is in parallel with electric capacity C33, electric capacity C14 positive pole is connected with driver module U5 pin 4, electric capacity C14 negative pole is connected with driver module U5 pin 6, electric capacity C12, electric capacity C31, diode D4 parallel connection, electric capacity C12 positive pole is connected with diode D4 negative electrode, electric capacity C12 is anodal to be passed through resistance R21 and is connected with driver module U5 pin 4, electric capacity C12 negative pole is connected with driver module U5 pin 6, driver module U5 pin 5 is connected with inversion unit U23 pin 6 (GVN) by resistance R22, electric capacity C12 is anodal to be connected with inversion unit U23 pin 7 (EVN), and W phase upper arm drive circuit is by resistance R3, resistance R23, diode D5, electric capacity C15, electric capacity C17, electric capacity C34, electric capacity C36 composition, W phase underarm drive circuit is by resistance R24, resistance R25, diode D6, electric capacity C16, electric capacity C18, electric capacity C35, electric capacity C37 composition, electric capacity C17 is in parallel with electric capacity C36, and electric capacity C17 positive pole is connected with driver module U3 pin 4, and electric capacity C17 negative pole is connected with driver module U3 pin 6, electric capacity C15, electric capacity C34, diode D5 parallel connection, electric capacity C15 positive pole is connected with diode D5 negative electrode, electric capacity C15 is anodal to be passed through resistance R23 and is connected with driver module U3 pin 4, electric capacity C15 negative pole is connected with driver module U3 pin 6, driver module U3 pin 5 is connected with inversion unit U23 pin 24 (GWP) by resistance R3, electric capacity C15 is anodal to be connected with inversion unit U23 pin 25 (EWP), electric capacity C18 is in parallel with electric capacity C37, electric capacity C18 positive pole is connected with driver module U6 pin 4, electric capacity C18 negative pole is connected with driver module U6 pin 6, electric capacity C16, electric capacity C35, diode D6 parallel connection, electric capacity C16 positive pole is connected with diode D6 negative electrode, electric capacity C16 is anodal to be passed through resistance R24 and is connected with driver module U6 pin 4, electric capacity C16 negative pole is connected with driver module U6 pin 6, driver module U6 pin 5 is connected with inversion unit U23 pin 8 (GWN) by resistance R25, electric capacity C16 is anodal to be connected with inversion unit U23 pin 9 (EWN), and brake unit drive circuit is by resistance R26, resistance R27, diode D7, electric capacity C19, electric capacity C20, electric capacity C38, electric capacity C39 composition, electric capacity C20 is in parallel with electric capacity C39, and electric capacity C20 positive pole is connected with driver module U7 pin 4, and electric capacity C20 negative pole is connected with driver module U7 pin 6, electric capacity C19, electric capacity C38,Diode D7 parallel connection, electric capacity C19 positive pole is connected with diode D6 negative electrode, electric capacity C19 is anodal to be passed through resistance R26 and is connected with driver module U7 pin 4, electric capacity C19 negative pole is connected with driver module U7 pin 6, driver module U7 pin 5 is connected with power device V1 grid by resistance R27, electric capacity C19 positive pole is connected with power device V1 emitter stage, resistance R28 in boost control circuit 12, after resistance R29 dividing potential drop, obtain+6V voltage after the voltage follower that C part U25C by operational amplifier U25 forms, the part A U27A reverse input end voltage of operational amplifier U27 and+6V voltage are through by resistance R81 ~ R84, the voltage that the voltage signal that obtains after the subtracter of the part B U25B composition of operational amplifier U25 obtains after the voltage follower of the part A U25A of operational amplifier U25 composition is by resistance R78 ~ R80, diode D17, diode D18, diode D21 discharges and recharges network electric capacity C83 is discharged and recharged, electric capacity C83 obtains to determining voltage signal QG, operational amplifier U25 pin 10 is connected to power supply+12V by resistance R28, operational amplifier U25 pin 10 is connected to power supply 0V by resistance R29, operational amplifier U25 pin 8 is connected obtains power supply+6V with operational amplifier U25 pin 9, operational amplifier U25 pin 5 is connected to power supply+6V by resistance R84, operational amplifier U25 pin 5 is connected to power supply 0V by resistance R83, operational amplifier U25 pin 6 is connected with operational amplifier U27 pin 2 by resistance R82, resistance R81 two ends respectively with operational amplifier U25 pin 6, pin 7 is connected, operational amplifier U25 pin 3 is connected with operational amplifier U25 pin 7, operational amplifier U25 pin 1 is connected with operational amplifier U25 pin 2, it is in parallel with resistance R79 after resistance R80 connects with diode D21, diode D21 negative electrode is connected with operational amplifier U25 pin 1, the other end of resistance R80 is connected with electric capacity C83 is anodal, electric capacity C83 negative pole is connected to power supply 0V, resistance R78 connects with diode D17, the other end of resistance R78 is connected with electric capacity C83 is anodal, diode D17 negative electrode is connected with operational amplifier U27 pin 7, diode D18 anode is connected with diode D17 anode, diode D18 negative electrode is connected with operational amplifier U27 pin 1, current protection indicating circuit is by resistance R77, diode D19 forms, part A U27A and the resistance R76 of operational amplifier U27 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on resistance R117, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output current by adjusting resistance R117 value, resistance R117 pin 1 be connected to+5V power supply, resistance R117 pin 3 is connected to power supply 0V, resistance R117 pin 2 is connected with operational amplifier U27 pin 3,Operational amplifier U27 pin 3 is connected with operational amplifier U27 pin 1 by resistance R76, resistance R77 is connected with diode D19, be connected to+5V of diode D19 anode power supply, the resistance R77 other end be connected with operational amplifier U27 pin 1, overvoltage indicating circuit is by resistance R74, diode D20 forms, part B U27B and the resistance R75 of operational amplifier U27 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on resistance R116, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output voltage by adjusting resistance R116 value, resistance R116 pin 1 be connected to+5V power supply, resistance R116 pin 3 is connected to power supply 0V, resistance R116 pin 2 is connected with operational amplifier U27 pin 5, operational amplifier U27 pin 5 is connected with operational amplifier U27 pin 7 by resistance R75, resistance R74 and diode D20, diode D20 negative electrode be connected with operational amplifier U27 pin 7, be connected to+5V of resistance R74 other end power supply, give determining voltage signal QG through electric capacity C53 ~ C55, resistance R87 ~ R89, the filter network of operational amplifier U31 composition is to 5 pin of control chip U33, for U33 work provides Setting signal, one end of resistance R87 is connected with electric capacity C53, the electric capacity C53 other end is connected to power supply 0V, the other end of resistance R87 is connected with the in-phase input end of operational amplifier U31, resistance R88 is connected with the in-phase input end of operational amplifier U31 with one end after electric capacity C54 parallel connection, the other end is connected to power supply 0V, the inverting input of operational amplifier U31 is connected with output, control chip U33 pin 5 is connected to by resistance R89, the pin 5 of control chip U33 is connected with electric capacity C55 one end, the electric capacity C55 other end is connected to power supply 0V, resistance R90, resistance R92, electric capacity C79, electric capacity C80 makes the control chip U33 work can soft start, resistance R92 is in parallel with electric capacity C80, positive pole and the control chip U33 pin 1 of electric capacity C80, the negative pole of electric capacity C80 is connected to power supply 0V, resistance R90 connects with electric capacity C79, the negative pole of electric capacity C79 is connected to power supply 0V, positive pole and the control chip U33 pin 2 of electric capacity C80, the other end of resistance R90 is connected with control chip U33 pin 1, current sensor is sampled gained signal through resistance R97 ~ R101 to high frequency transformer T1 primary side current, the filter network of electric capacity C63 composition is to 4 pin of control chip U33, for control chip U33 work provides Setting signal, resistance R99 connects with resistance R101, the other end of resistance R101 is connected with the output of current sensor, the other end of resistance R99 is connected with control chip U33 pin 4, control chip U33 pin 4 is by be connected to-15V of resistance R97 power supply, control chip U33 pin 4 is connected to power supply 0V by resistance R98, harmonic compensation electricity routing resistance R94, resistance R95,Electric capacity C57, electric capacity C60, operational amplifier U32 composition, the in-phase input end of operational amplifier U32 is connected with control chip U33 pin 8, the inverting input of operational amplifier U32 is connected with output, resistance R94, in parallel with resistance R95 and electric capacity C57 after electric capacity C60 series connection, electric capacity C57 one end is connected with control chip U33 pin 4, the electric capacity C57 other end is connected with operational amplifier U32 output, concussion timing circuit is by resistance R91, resistance R93, electric capacity C56, electric capacity C58 composition, resistance R91 is in parallel with resistance R93, one end is connected with control chip U33 pin 8, the other end is connected to power supply 0V, electric capacity C56 is in parallel with electric capacity C58, one end is connected with control chip U33 pin 9, the other end is connected to power supply 0V, current sensor is sampled gained signal through resistance R100 ~ R102 to high frequency transformer T1 primary side current, electric capacity C62, electric capacity C63 turns off for control chip U33 provides outside, resistance R101 and resistance R102 are connected in series to control chip U33 pin 16, resistance R100 is in parallel with electric capacity C62, one end is connected with control chip U33 pin 16, the other end is connected to power supply 0V, resistance R96 is the protective resistance of control chip U33 output stage biased voltage input, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 is filter capacitor, resistance R96 two ends respectively with control chip U33 pin 13, pin 15 is connected, electric capacity C59 is in parallel with electric capacity C81, one end is connected with control chip U33 pin 15, the other end is connected to power supply 0V, electric capacity C61 is in parallel with electric capacity C82, one end is connected with control chip U33 pin 13, the other end is connected to power supply 0V, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 is filter capacitor, by resistance R103 ~ R105, resistance R113, resistance R114, diode D22, diode D23, triode Q2 ~ Q5, electric capacity C68 forms full-bridge circuit, two paths of signals is through isolating transformer T2, isolating transformer T3, resistance R106 ~ R112, resistance R115, diode D24 ~ D27, electric capacity C64 ~ C67 becomes four road signals and drives inversion unit U21, the base stage of triode Q2 is connected with control chip U33 pin 14 by resistance R103, the base stage of triode Q4 is connected with control chip U33 pin 14 by resistance R104, the negative electrode of diode D22 is connected with control chip U33 pin 14, the anode of diode D22 is connected to power supply 0V, the base stage of triode Q3 is connected with control chip U33 pin 11 by resistance R105, the base stage of triode Q5 is connected with control chip U33 pin 11 by resistance R113, the negative electrode of diode D23 is connected with control chip U33 pin 11, the anode of diode D11 is connected to power supply 0V, after being connected with triode Q4 colelctor electrode, triode Q2 colelctor electrode is connected with the pin 1 of isolating transformer T3 with isolating transformer T2, after triode Q3 colelctor electrode is connected with triode Q5 colelctor electrode,Be connected with the one end after resistance R114 and electric capacity C68 parallel connection, resistance R114 is connected with the pin 2 of isolating transformer T3 with isolating transformer T2 with the other end after electric capacity C68 parallel connection, triode Q4 emitter stage is connected to power supply 0V, triode Q5 emitter stage is connected to power supply 0V, triode Q2 emitter stage is connected with triode Q3 emitter stage, it is in parallel with resistance R106 after diode D24 connects with resistance R110, diode D24 negative electrode is connected with isolating transformer T2 pin 6, the other end of resistance R110 is connected with electric capacity C64 one end, the electric capacity C64 other end is connected with isolating transformer T2 pin 5, it is in parallel with resistance R107 after diode D25 connects with resistance R111, diode D25 negative electrode is connected with isolating transformer T2 pin 3, the other end of resistance R111 is connected with electric capacity C65 one end, the electric capacity C65 other end is connected with isolating transformer T2 pin 4, it is in parallel with resistance R108 after diode D26 connects with resistance R112, diode D26 negative electrode is connected with isolating transformer T3 pin 6, the other end of resistance R112 is connected with electric capacity C66 one end, the electric capacity C66 other end is connected with isolating transformer T3 pin 5, it is in parallel with resistance R109 after diode D27 connects with resistance R115, diode D27 negative electrode is connected with isolating transformer T3 pin 3, the other end of resistance R115 is connected with electric capacity C67 one end, the electric capacity C67 other end is connected with isolating transformer T3 pin 4, respectively at electric capacity C64, electric capacity C65, electric capacity C66, electric capacity C67 two ends obtain four road signals and send to driving inversion unit U21.That said structure has advantages of is stable, failure rate is low, control precision is high, cost is relatively cheap.
The utility model can be installed in main circuit 61 and control circuit 62 in housing 14, makes an independently controller unit, is convenient to be connected with other parts of vehicle.
Claims (3)
1. synchronous frequency conversion formula alternating current machine vector converter controller, it is characterized in that: comprise main circuit (61) and control circuit (62), main circuit (61) comprises rectifier (1), the output of rectifier (1) is connected with the input of filter (2), the output of filter (2) is connected with the input of the first inversion unit (3), the output of the first inversion unit (3) is connected with the input of high frequency main transformer (4), the output of high frequency main transformer (4) is connected with the input of hf rectifier (5), the output of hf rectifier (5) is connected with the input of high frequency filter (6), the output of high frequency filter (6) is connected with the input of brake unit (7), the output of brake unit (7) is connected with the input of the second inversion unit (8), the output of the second inversion unit (8) is connected with the input of load motor (13), control circuit (62) comprises detecting unit (9), central controller (10), inverse changing driving circuit (11) and boost control circuit (12).
2. synchronous frequency conversion formula alternating current generator vector frequency conversion control device according to claim 1, it is characterized in that: the annexation of main circuit (61) and control circuit (62) is as follows: rectifier (1) is by the voltage of input, the three-phase alternating current of changeable frequency is rectified into direct current after by rectifier U13, wave filter (2) is by resistance R70, D.C. contactor KM1, connector J1, electric capacity C3, electric capacity C4, electric capacity C24, resistance R6, resistance R7 composition, electric capacity C24 is Absorption Capacitance, electric capacity C3, electric capacity C4 is filter capacitor, resistance R6, resistance R7 is equalizing resistance, rectifier U13 positive output end is connected with inversion unit U21 positive input terminal by resistance R70, rectifier U13 negative output terminal is connected with inversion unit U21 negative input end, it is in parallel with resistance R70 that D.C. contactor KM1 often leaves electric shock, D.C. contactor KM1 coil two ends and connector J1 pin 1, 2 are connected, electric capacity C24 one end is connected with inversion unit U21 positive input terminal, the electric capacity C24 other end is connected with inversion unit U21 negative input end, electric capacity C3 connects with electric capacity C4, electric capacity C3 positive pole is connected with inversion unit U21 positive input terminal, electric capacity C4 negative pole is connected with inversion unit U21 negative input end, resistance R6 is in parallel with electric capacity C3, resistance R7 is in parallel with electric capacity C4, the direct current of input is passed through inversion unit U21 inverter output frequency 10 ~ 100kHz high-frequency alternating current by the first inversion unit (3), the first side winding two ends input high-frequency alternating current of high frequency main transformer (4) medium/high frequency transformer T1, the secondary side winding two ends of high frequency transformer T1 export, the alternating current that high frequency transformer T1 secondary side winding two ends obtain is exported direct current by hf rectifier (5) U22 rectification, high frequency filter (6) is by reactor L1, electric capacity C25, electric capacity C5, electric capacity C6, resistance R9, resistance R10 composition, L1 is reactor, electric capacity C25 is Absorption Capacitance, electric capacity C5, electric capacity C6 is filter capacitor, resistance R9, resistance R10 is equalizing resistance, hf rectifier U22 positive output end is connected with inversion unit U23 positive input terminal by reactor L1, rectifier U22 negative output terminal is connected with inversion unit U23 negative input end, electric capacity C25 one end is connected with inversion unit U23 positive input terminal, the electric capacity C25 other end is connected with inversion unit U23 negative input end, electric capacity C5 connects with electric capacity C6, electric capacity C5 positive pole is connected with inversion unit U21 positive input terminal, electric capacity C6 negative pole is connected with inversion unit U21 negative input end, resistance R9 is in parallel with electric capacity C5, resistance R10 is in parallel with electric capacity C6, brake unit (7) is made up of resistance R11 and power device V1, power device V1 colelctor electrode is connected with inversion unit U23 positive input terminal by resistance R11, power device V1 emitter stage is connected with inversion unit U23 negative input end, the direct current of the second inversion unit (8) input is synchronously changed by inversion unit U23 inverter output frequency and incoming frequency and has an alternating current that is applicable to motor " hardware features ",The effect of zero cross detection circuit is to detect frequency signal to send into central controller and carry out analyzing and processing in detecting unit (9), by resistance R4, resistance R5, resistance R8, optocoupler U14, optocoupler U15 composition, optocoupler U14 pin 1 is connected to three-phase alternating current R phase by resistance R4 and resistance R5, optocoupler U14 pin 2 is connected to three-phase alternating current S-phase, optocoupler U14 pin 1 is connected with optocoupler U15 pin 2, optocoupler U12 pin 1 is connected with optocoupler U15 pin 1, optocoupler U14 pin 3 is connected with optocoupler U15 pin 3, optocoupler U12 pin 4 is connected with optocoupler U15 pin 4, optocoupler U14 pin 3 is connected to power supply 0V, optocoupler U14 pin 4 is connected to power supply+5V by resistance R8, optocoupler U14 pin 4 is connected with control chip U28 pin 30, the effect of position detecting circuit is to detect the position of main rotor in motion process to send into central controller and carry out analyzing and processing, by connector J6, diode D8 ~ D10, resistance R31 ~ R36, optocoupler U17 ~ U19 composition, connector J6 pin 1 be connected to power supply ' 0V, connector J6 pin 2 be connected to power supply ' 12V, connector J6 pin 3 is connected with diode D10 negative electrode, connector J6 pin 4 is connected with diode D9 negative electrode, connector J6 pin 5 is connected with diode D8 negative electrode, optocoupler U17 ~ U19 pin 1 is connected to power supply+5V respectively by R31 ~ R33, optocoupler U17 ~ U19 pin 2 is connected with diode D8 ~ D10 anode respectively, optocoupler U17 ~ U19 pin 4 is connected to power supply+5V respectively by resistance R34 ~ R36, optocoupler U17 ~ U19 pin 3 is connected to respectively power supply 0V, optocoupler U17 pin 4 is connected with control chip U28 pin 5, optocoupler U18 pin 4 is connected with control chip U28 pin 6, optocoupler U19 pin 4 is connected with control chip U28 pin 7, the effect of temperature sensing circuit is to detect the temperature of main circuit power device to send into central controller and carry out analyzing and processing, by connector J2, resistance R71 ~ R73, optocoupler U16 composition, optocoupler U16 pin 1 is connected to power supply+5V by resistance R71, optocoupler U16 pin 2 is connected with connector J2 pin 2, plug-in unit J2 pin 1 be connected to power supply ' 0V, optocoupler U16 pin 3 is connected to power supply 0V, optocoupler U16 pin 4 is connected to power supply+5V by resistance R72, optocoupler U16 pin 4 is connected with control chip U28 pin 27 by resistance R73, the effect of current detection circuit is to detect respectively U, V, W three-phase output current and DC bus current are sent into central controller and are carried out analyzing and processing, by connector J4, inductance L 2 ~ L5, resistance R12 ~ R14, resistance R44 ~ R47, resistance R49 ~ R53, electric capacity C41 ~ C52, resistance R17, resistance R19, resistance R55 ~ R59, resistance R63, resistance R64, the part A U24A of operational amplifier U24, the C part U24C of operational amplifier U24, the D part U24D composition of operational amplifier U24, connector J4 pin 1 is connected to power supply+12V,Connector J4 pin 2 is connected to power supply-12V, connector J4 pin 3 is by inductance L 4, resistance R52 is connected with diode D14 anode, resistance R45, resistance R49, after electric capacity C45 parallel connection, one end is connected with connector J4 pin 3, the other end is connected to power supply 0V, one end of electric capacity C48 is connected with resistance R52 series connection node with inductance L 4, the other end of electric capacity C48 is connected to power supply 0V, one end of electric capacity C51 is connected with diode D14 anode, the other end of electric capacity C51 is connected to power supply 0V, connector J4 pin 4 is by inductance L 3, resistance R51 is connected with diode D13 anode, resistance R44, resistance R47, after electric capacity C51 parallel connection, one end is connected with connector J4 pin 4, the other end is connected to power supply 0V, one end of electric capacity C47 is connected with resistance R51 series connection node with inductance L 3, the other end of electric capacity C47 is connected to power supply 0V, one end of electric capacity C50 is connected with diode D13 anode, the other end of electric capacity C50 is connected to power supply 0V, connector J4 pin 5 is by inductance L 2, resistance R14 is connected with diode D15 anode, resistance R12, resistance R13, after electric capacity C41 parallel connection, one end is connected with connector J4 pin 5, the other end is connected to power supply 0V, one end of electric capacity C42 is connected with resistance R14 series connection node with inductance L 2, the other end of electric capacity C42 is connected to power supply 0V, one end of electric capacity C43 is connected with diode D15 anode, the other end of electric capacity C43 is connected to power supply 0V, connector J4 pin 6 is by inductance L 5, resistance R53 is connected with diode D15 anode, resistance R46, resistance R50, after electric capacity C46 parallel connection, one end is connected with connector J4 pin 6, the other end is connected to power supply 0V, one end of electric capacity C49 is connected with resistance R53 series connection node with inductance L 5, the other end of electric capacity C49 is connected to power supply 0V, one end of electric capacity C52 is connected with diode D15 anode, the other end of electric capacity C52 is connected to power supply 0V, operational amplifier U24 pin 12 is connected to power supply+5V by resistance R58, operational amplifier U24 pin 12 is connected to power supply 0V by resistance R59, operational amplifier U24 pin 13 is connected obtains power supply+2.5V with operational amplifier U24 pin 14, operational amplifier U24 pin 3 is connected with diode D16 anode by resistance R17, operational amplifier U24 pin 3 is crossed resistance R19 and is connected to power supply+2.5V, resistance R63 two ends respectively with operational amplifier U24 pin 1, pin 2 is connected, operational amplifier U24 pin 2 is connected to power supply 0V by resistance R55, operational amplifier U24 pin 1 is connected with the pin 2 of control chip U28, operational amplifier U24 pin 10 is connected with diode D13 anode by resistance R56, operational amplifier U24 pin 10 is crossed resistance R61 and is connected to power supply+2.5V, resistance R64 two ends respectively with operational amplifier U24 pin 8, pin 9 is connected, operational amplifier U24 pin 9 is connected to power supply 0V by resistance R57, operational amplifier U24 pin 8 is connected with the pin 3 of control chip U28,The effect of overcurrent sensing circuit is to detect any two-phase that three-phase alternating current exports whether overcurrent is sent into central controller carries out analyzing and processing, by diode D12 ~ D16, the part B U30B of operational amplifier U30, resistance R66, resistance R68, resistance R86 composition, the negative electrode of diode D13 ~ D16 is connected with operational amplifier U30 pin 6 respectively, resistance R66 two ends respectively with operational amplifier U30 pin 5, pin 7 is connected, resistance R86 pin 3 is connected with operational amplifier U30 pin 5, resistance R86 pin 1 is connected to power supply+5V, resistance R86 pin 2 is connected to power supply 0V, diode D12 negative electrode is connected with operational amplifier U30 pin 7, diode D12 anode is connected to power supply+5V by resistance R68, operational amplifier U30 pin 7 is connected with the pin 18 of control chip U28, voltage detecting circuit effect is to detect DC bus-bar voltage to send into central controller and carry out analyzing and processing, by resistance R43, resistance R48, voltage sensor U29, resistance R54, electric capacity C77 composition, voltage sensor U29 pin 1 is by resistance R43, resistance R48 is connected with inversion unit U23 positive input terminal, voltage sensor U29 pin 2 is connected with inversion unit U23 positive input terminal, voltage sensor U29 pin 3 is connected to power supply-12V, voltage sensor U29 pin 5 is connected to power supply+12V, voltage sensor U29 pin 4 is connected with operational amplifier U30 pin 2, resistance R54 is connected with voltage sensor U29 pin 4 with one end after electric capacity C77 parallel connection, the other end is connected to power supply 0V, voltage sensor U29 pin 4 is connected with the pin 4 of control chip U28, overvoltage detection circuit effect is to detect DC bus-bar voltage whether overvoltage is sent into central controller carries out analyzing and processing, by the part A U30A of operational amplifier U30, diode D11, resistance R60, resistance R62, resistance R85 composition, resistance R60 two ends respectively with operational amplifier U30 pin 1, pin 3 is connected, resistance R85 pin 3 is connected with operational amplifier U30 pin 3, resistance R85 pin 1 is connected to power supply+5V, resistance R85 pin 2 is connected to power supply 0V, diode D11 negative electrode is connected with operational amplifier U30 pin 1, diode D12 anode is connected to power supply+5V by resistance R62, operational amplifier U30 pin 1 is connected with the pin 17 of control chip U28, the power supply of central controller (10) control circuit chip and the driving of IGBT are powered by Voltage stabilizing module U8 ~ U12, Voltage stabilizing module U26, electric capacity C1, electric capacity C2, electric capacity C21 ~ C23, electric capacity C40 realizes, the positive input terminal of Voltage stabilizing module U8 ~ U12 be connected to power supply ' 12V, the negative input end of Voltage stabilizing module U8 ~ U12 be connected to power supply ' 0V, the positive output end of Voltage stabilizing module U8 is connected to driver module U1 pin 4, the negative output terminal of Voltage stabilizing module U8 is connected to driver module U1 pin 6, the positive output end of Voltage stabilizing module U9 is connected to driver module U2 pin 4, the negative output terminal of Voltage stabilizing module U9 is connected to driver module U2 pin 6,The positive output end of Voltage stabilizing module U10 is connected to driver module U3 pin 4, the negative output terminal of Voltage stabilizing module U10 is connected to driver module U3 pin 6, the positive output end of Voltage stabilizing module U11 is connected to the pin 4 of driver module U4 ~ U7, the negative output terminal of Voltage stabilizing module U11 is connected to the pin 6 of driver module U4 ~ U7, the positive output end of Voltage stabilizing module U12 is power supply+12V, the negative output terminal of Voltage stabilizing module U12 is power supply-12V, the public output of Voltage stabilizing module U12 is power supply 0V, electric capacity C1 and C22 parallel connection, electric capacity C1 positive pole is connected to power supply 0V, electric capacity C1 negative pole is connected to power supply-12V, electric capacity C2 and C23 parallel connection, electric capacity C2 positive pole is connected to power supply+12V, electric capacity C2 negative pole is connected to power supply 0V, Voltage stabilizing module U26 pin 1 is connected to power supply+12V, Voltage stabilizing module U26 pin 2 is connected to power supply 0V, Voltage stabilizing module U26 pin 3 out-put supplies+5V, electric capacity C21 and C40 parallel connection, electric capacity C21 positive pole is connected to power supply+5V, electric capacity C21 negative pole is connected to power supply 0V, programming port J5, crystal oscillator Y1, electric capacity C69, electric capacity C70, resistance R30, control chip U28 forms central controller, crystal oscillator Y1, electric capacity C69, electric capacity C70 is clock circuit, for central controller provides operating clock signals, resistance R37 ~ R42, resistance R69, electric capacity C71 ~ C76, the pwm signal that electric capacity C78 exports central controller carries out processing and sends into drive circuit, programming port J5 pin 1 is connected with control chip U28 pin 1, programming port J5 pin 2 is connected to power supply+5V, programming port J5 pin 2 is connected to power supply 0V, programming port J5 pin 4 is connected with control chip U28 pin 25, programming port J5 pin 5 is connected with control chip U28 pin 26, crystal oscillator Y1 two ends respectively with control chip U28 pin 13, pin 14 is connected, electric capacity C69 one end is connected with control chip U28 pin 13, the electric capacity C69 other end is connected to power supply 0V, electric capacity C70 one end is connected with control chip U28 pin 14, the electric capacity C70 other end is connected to power supply 0V, control chip U28 pin 1 is connected to power supply+5V by resistance R30, the pin 11 of control chip U28, pin 21, pin 32, pin 40 is connected to respectively power supply+5V, the pin 12 of control chip U28, pin 20, pin 31, pin 39 is connected to respectively power supply 0V, control chip U28 pin 28 is connected to driver module U7 pin 14 by resistance R69, electric capacity C78 is in parallel with resistance R69, control chip U28 pin 33 is connected to driver module U6 pin 14 by resistance R42, electric capacity C76 is in parallel with resistance R42, control chip U28 pin 34 is connected to driver module U3 pin 14 by resistance R41, electric capacity C75 is in parallel with resistance R41, control chip U28 pin 35 is connected to driver module U5 pin 14 by resistance R40, electric capacity C74 is in parallel with resistance R40, control chip U28 pin 36 is connected to driver module U2 pin 14 by resistance R39, electric capacity C73 is in parallel with resistance R39,Control chip U28 pin 37 is connected to driver module U4 pin 14 by resistance R38, electric capacity C72 is in parallel with resistance R38, control chip U28 pin 38 is connected to driver module U1 pin 14 by resistance R37, electric capacity C71 is in parallel with resistance R37, central controller carries out Treatment Analysis according to the signal obtaining in testing circuit, output signal control D.C. contactor, this electricity routing resistance R65, resistance R67, triode Q1, connector J3, relay K 1, optocoupler U20 composition, optocoupler U20 pin 1 is connected with control chip U28 pin 29 by resistance R65, optocoupler U20 pin 2 is connected to power supply 0V, optocoupler U20 pin 4 be connected to power supply ' 12V, optocoupler U20 pin 3 is connected with triode Q1 base stage by resistance R67, triode Q1 colelctor electrode is connected with relay K 1 coil one end, the relay K 1 coil other end be connected to power supply ' 12V, one end of relay K 1 normally opened contact be connected to power supply ' 12V, the other end of relay K 1 normally opened contact is connected with connector J3 pin 1, connector J3 pin 2 is connected to power supply ' 0V, triode Q1 emitter stage be connected to power supply ' 0V, and the U-phase upper arm drive circuit of inverse changing driving circuit (11) is by resistance R1, resistance R15, diode D1, electric capacity C7, electric capacity C9, electric capacity C26, electric capacity C28 composition, U phase underarm drive circuit is by resistance R16, resistance R18, diode D2, electric capacity C8, electric capacity C10, electric capacity C27, electric capacity C29 composition, driver module U1 ~ U7 pin 13 is connected to power supply 0V, and electric capacity C9 is in parallel with electric capacity C28, and electric capacity C9 positive pole is connected with driver module U1 pin 4, and electric capacity C9 negative pole is connected with driver module U1 pin 6, electric capacity C7, electric capacity C26, diode D1 parallel connection, electric capacity C7 positive pole is connected with diode D1 negative electrode, electric capacity C7 is anodal to be passed through resistance R15 and is connected with driver module U1 pin 4, electric capacity C7 negative pole is connected with driver module U1 pin 6, driver module U1 pin 5 is connected with inversion unit U23 pin 20 (GUP) by resistance R1, electric capacity C7 is anodal to be connected with inversion unit U23 pin 21 (EUP), electric capacity C10 is in parallel with electric capacity C29, electric capacity C10 positive pole is connected with driver module U4 pin 4, electric capacity C10 negative pole is connected with driver module U4 pin 6, electric capacity C8, electric capacity C27, diode D2 parallel connection, electric capacity C8 positive pole is connected with diode D2 negative electrode, electric capacity C8 is anodal to be passed through resistance R16 and is connected with driver module U4 pin 4, electric capacity C8 negative pole is connected with driver module U4 pin 6, driver module U4 pin 5 is connected with inversion unit U23 pin 4 (GUN) by resistance R18, electric capacity C8 is anodal to be connected with inversion unit U23 pin 5 (EUN), and V-phase upper arm drive circuit is by resistance R2, resistance R20, diode D3, electric capacity C11, electric capacity C13, electric capacity C30, electric capacity C32 composition, V phase underarm drive circuit is by resistance R21, resistance R22, diode D4, electric capacity C12, electric capacity C14, electric capacity C31,Electric capacity C33 composition, electric capacity C13 is in parallel with electric capacity C32, electric capacity C13 positive pole is connected with driver module U2 pin 4, electric capacity C13 negative pole is connected with driver module U2 pin 6, electric capacity C11, electric capacity C30, diode D3 parallel connection, electric capacity C11 positive pole is connected with diode D3 negative electrode, electric capacity C11 is anodal to be passed through resistance R20 and is connected with driver module U2 pin 4, electric capacity C11 negative pole is connected with driver module U2 pin 6, driver module U2 pin 5 is connected with inversion unit U23 pin 22 (GVP) by resistance R2, electric capacity C11 is anodal to be connected with inversion unit U23 pin 23 (EVP), electric capacity C14 is in parallel with electric capacity C33, electric capacity C14 positive pole is connected with driver module U5 pin 4, electric capacity C14 negative pole is connected with driver module U5 pin 6, electric capacity C12, electric capacity C31, diode D4 parallel connection, electric capacity C12 positive pole is connected with diode D4 negative electrode, electric capacity C12 is anodal to be passed through resistance R21 and is connected with driver module U5 pin 4, electric capacity C12 negative pole is connected with driver module U5 pin 6, driver module U5 pin 5 is connected with inversion unit U23 pin 6 (GVN) by resistance R22, electric capacity C12 is anodal to be connected with inversion unit U23 pin 7 (EVN), W phase upper arm drive circuit is by resistance R3, resistance R23, diode D5, electric capacity C15, electric capacity C17, electric capacity C34, electric capacity C36 composition, W phase underarm drive circuit is by resistance R24, resistance R25, diode D6, electric capacity C16, electric capacity C18, electric capacity C35, electric capacity C37 composition, electric capacity C17 is in parallel with electric capacity C36, electric capacity C17 positive pole is connected with driver module U3 pin 4, electric capacity C17 negative pole is connected with driver module U3 pin 6, electric capacity C15, electric capacity C34, diode D5 parallel connection, electric capacity C15 positive pole is connected with diode D5 negative electrode, electric capacity C15 is anodal to be passed through resistance R23 and is connected with driver module U3 pin 4, electric capacity C15 negative pole is connected with driver module U3 pin 6, driver module U3 pin 5 is connected with inversion unit U23 pin 24 (GWP) by resistance R3, electric capacity C15 is anodal to be connected with inversion unit U23 pin 25 (EWP), electric capacity C18 is in parallel with electric capacity C37, electric capacity C18 positive pole is connected with driver module U6 pin 4, electric capacity C18 negative pole is connected with driver module U6 pin 6, electric capacity C16, electric capacity C35, diode D6 parallel connection, electric capacity C16 positive pole is connected with diode D6 negative electrode, electric capacity C16 is anodal to be passed through resistance R24 and is connected with driver module U6 pin 4, electric capacity C16 negative pole is connected with driver module U6 pin 6, driver module U6 pin 5 is connected with inversion unit U23 pin 8 (GWN) by resistance R25, electric capacity C16 is anodal to be connected with inversion unit U23 pin 9 (EWN), brake unit drive circuit is by resistance R26, resistance R27, diode D7, electric capacity C19, electric capacity C20, electric capacity C38, electric capacity C39 composition, electric capacity C20 is in parallel with electric capacity C39,Electric capacity C20 positive pole is connected with driver module U7 pin 4, electric capacity C20 negative pole is connected with driver module U7 pin 6, electric capacity C19, electric capacity C38, diode D7 parallel connection, electric capacity C19 positive pole is connected with diode D6 negative electrode, electric capacity C19 is anodal to be passed through resistance R26 and is connected with driver module U7 pin 4, electric capacity C19 negative pole is connected with driver module U7 pin 6, driver module U7 pin 5 is connected with power device V1 grid by resistance R27, electric capacity C19 positive pole is connected with power device V1 emitter stage, resistance R28 in boost control circuit (12), after resistance R29 dividing potential drop, obtain+6V voltage after the voltage follower that C part U25C by operational amplifier U25 forms, the part A U27A reverse input end voltage of operational amplifier U27 and+6V voltage are through by resistance R81 ~ R84, the voltage that the voltage signal that obtains after the subtracter of the part B U25B composition of operational amplifier U25 obtains after the voltage follower of the part A U25A of operational amplifier U25 composition is by resistance R78 ~ R80, diode D17, diode D18, diode D21 discharges and recharges network electric capacity C83 is discharged and recharged, electric capacity C83 obtains to determining voltage signal QG, operational amplifier U25 pin 10 is connected to power supply+12V by resistance R28, operational amplifier U25 pin 10 is connected to power supply 0V by resistance R29, operational amplifier U25 pin 8 is connected obtains power supply+6V with operational amplifier U25 pin 9, operational amplifier U25 pin 5 is connected to power supply+6V by resistance R84, operational amplifier U25 pin 5 is connected to power supply 0V by resistance R83, operational amplifier U25 pin 6 is connected with operational amplifier U27 pin 2 by resistance R82, resistance R81 two ends respectively with operational amplifier U25 pin 6, pin 7 is connected, operational amplifier U25 pin 3 is connected with operational amplifier U25 pin 7, operational amplifier U25 pin 1 is connected with operational amplifier U25 pin 2, it is in parallel with resistance R79 after resistance R80 connects with diode D21, diode D21 negative electrode is connected with operational amplifier U25 pin 1, the other end of resistance R80 is connected with electric capacity C83 is anodal, electric capacity C83 negative pole is connected to power supply 0V, resistance R78 connects with diode D17, the other end of resistance R78 is connected with electric capacity C83 is anodal, diode D17 negative electrode is connected with operational amplifier U27 pin 7, diode D18 anode is connected with diode D17 anode, diode D18 negative electrode is connected with operational amplifier U27 pin 1, current protection indicating circuit is by resistance R77, diode D19 forms, part A U27A and the resistance R76 of operational amplifier U27 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on resistance R117, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output current by adjusting resistance R117 value,Resistance R117 pin 1 be connected to+5V power supply, resistance R117 pin 3 is connected to power supply 0V, resistance R117 pin 2 is connected with operational amplifier U27 pin 3, operational amplifier U27 pin 3 is connected with operational amplifier U27 pin 1 by resistance R76, resistance R77 is connected with diode D19, be connected to+5V of diode D19 anode power supply, the resistance R77 other end be connected with operational amplifier U27 pin 1, overvoltage indicating circuit is by resistance R74, diode D20 forms, part B U27B and the resistance R75 of operational amplifier U27 form hysteresis loop comparator, when anti-phase input terminal voltage is greater than in-phase input end voltage, during the voltage namely obtaining on resistance R116, output is electronegative potential, when anti-phase input terminal voltage is less than in-phase input end voltage, output is high potential, changed the protection value of output voltage by adjusting resistance R116 value, resistance R116 pin 1 be connected to+5V power supply, resistance R116 pin 3 is connected to power supply 0V, resistance R116 pin 2 is connected with operational amplifier U27 pin 5, operational amplifier U27 pin 5 is connected with operational amplifier U27 pin 7 by resistance R75, resistance R74 and diode D20, diode D20 negative electrode be connected with operational amplifier U27 pin 7, be connected to+5V of resistance R74 other end power supply, give determining voltage signal QG through electric capacity C53 ~ C55, resistance R87 ~ R89, the filter network of operational amplifier U31 composition is to 5 pin of control chip U33, for U33 work provides Setting signal, one end of resistance R87 is connected with electric capacity C53, the electric capacity C53 other end is connected to power supply 0V, the other end of resistance R87 is connected with the in-phase input end of operational amplifier U31, resistance R88 is connected with the in-phase input end of operational amplifier U31 with one end after electric capacity C54 parallel connection, the other end is connected to power supply 0V, the inverting input of operational amplifier U31 is connected with output, control chip U33 pin 5 is connected to by resistance R89, the pin 5 of control chip U33 is connected with electric capacity C55 one end, the electric capacity C55 other end is connected to power supply 0V, resistance R90, resistance R92, electric capacity C79, electric capacity C80 makes the control chip U33 work can soft start, resistance R92 is in parallel with electric capacity C80, positive pole and the control chip U33 pin 1 of electric capacity C80, the negative pole of electric capacity C80 is connected to power supply 0V, resistance R90 connects with electric capacity C79, the negative pole of electric capacity C79 is connected to power supply 0V, positive pole and the control chip U33 pin 2 of electric capacity C80, the other end of resistance R90 is connected with control chip U33 pin 1, current sensor is sampled gained signal through resistance R97 ~ R101 to high frequency transformer T1 primary side current, the filter network of electric capacity C63 composition is to 4 pin of control chip U33, for control chip U33 work provides Setting signal, resistance R99 connects with resistance R101, the other end of resistance R101 is connected with the output of current sensor, the other end of resistance R99 is connected with control chip U33 pin 4,Control chip U33 pin 4 is by be connected to-15V of resistance R97 power supply, and control chip U33 pin 4 is connected to power supply 0V by resistance R98, harmonic compensation electricity routing resistance R94, resistance R95, electric capacity C57, electric capacity C60, operational amplifier U32 composition, the in-phase input end of operational amplifier U32 is connected with control chip U33 pin 8, and the inverting input of operational amplifier U32 is connected with output, resistance R94, in parallel with resistance R95 and electric capacity C57 after electric capacity C60 series connection, electric capacity C57 one end is connected with control chip U33 pin 4, and the electric capacity C57 other end is connected with operational amplifier U32 output, and concussion timing circuit is by resistance R91, resistance R93, electric capacity C56, electric capacity C58 composition, resistance R91 is in parallel with resistance R93, one end is connected with control chip U33 pin 8, the other end is connected to power supply 0V, electric capacity C56 is in parallel with electric capacity C58, one end is connected with control chip U33 pin 9, and the other end is connected to power supply 0V, and current sensor is sampled gained signal through resistance R100 ~ R102 to high frequency transformer T1 primary side current, electric capacity C62, electric capacity C63 turns off for control chip U33 provides outside, resistance R101 and resistance R102 are connected in series to control chip U33 pin 16, resistance R100 is in parallel with electric capacity C62, one end is connected with control chip U33 pin 16, the other end is connected to power supply 0V, resistance R96 is the protective resistance of control chip U33 output stage biased voltage input, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 is filter capacitor, resistance R96 two ends respectively with control chip U33 pin 13, pin 15 is connected, and electric capacity C59 is in parallel with electric capacity C81, and one end is connected with control chip U33 pin 15, and the other end is connected to power supply 0V, and electric capacity C61 is in parallel with electric capacity C82, and one end is connected with control chip U33 pin 13, and the other end is connected to power supply 0V, electric capacity C59, electric capacity C61, electric capacity C81, electric capacity C82 is filter capacitor, by resistance R103 ~ R105, resistance R113, resistance R114, diode D22, diode D23, triode Q2 ~ Q5, electric capacity C68 forms full-bridge circuit, and two paths of signals is through isolating transformer T2, isolating transformer T3, resistance R106 ~ R112, resistance R115, diode D24 ~ D27, electric capacity C64 ~ C67 becomes four road signals and drives inversion unit U21, the base stage of triode Q2 is connected with control chip U33 pin 14 by resistance R103, the base stage of triode Q4 is connected with control chip U33 pin 14 by resistance R104, the negative electrode of diode D22 is connected with control chip U33 pin 14, the anode of diode D22 is connected to power supply 0V, the base stage of triode Q3 is connected with control chip U33 pin 11 by resistance R105, the base stage of triode Q5 is connected with control chip U33 pin 11 by resistance R113, the negative electrode of diode D23 is connected with control chip U33 pin 11The anode of diode D11 is connected to power supply 0V, after being connected with triode Q4 colelctor electrode, triode Q2 colelctor electrode is connected with the pin 1 of isolating transformer T3 with isolating transformer T2, after triode Q3 colelctor electrode is connected with triode Q5 colelctor electrode, be connected with the one end after resistance R114 and electric capacity C68 parallel connection, resistance R114 is connected with the pin 2 of isolating transformer T3 with isolating transformer T2 with the other end after electric capacity C68 parallel connection, triode Q4 emitter stage is connected to power supply 0V, triode Q5 emitter stage is connected to power supply 0V, triode Q2 emitter stage is connected with triode Q3 emitter stage, it is in parallel with resistance R106 after diode D24 connects with resistance R110, diode D24 negative electrode is connected with isolating transformer T2 pin 6, the other end of resistance R110 is connected with electric capacity C64 one end, the electric capacity C64 other end is connected with isolating transformer T2 pin 5, it is in parallel with resistance R107 after diode D25 connects with resistance R111, diode D25 negative electrode is connected with isolating transformer T2 pin 3, the other end of resistance R111 is connected with electric capacity C65 one end, the electric capacity C65 other end is connected with isolating transformer T2 pin 4, it is in parallel with resistance R108 after diode D26 connects with resistance R112, diode D26 negative electrode is connected with isolating transformer T3 pin 6, the other end of resistance R112 is connected with electric capacity C66 one end, the electric capacity C66 other end is connected with isolating transformer T3 pin 5, it is in parallel with resistance R109 after diode D27 connects with resistance R115, diode D27 negative electrode is connected with isolating transformer T3 pin 3, the other end of resistance R115 is connected with electric capacity C67 one end, the electric capacity C67 other end is connected with isolating transformer T3 pin 4, respectively at electric capacity C64, electric capacity C65, electric capacity C66, electric capacity C67 two ends obtain four road signals and send to driving inversion unit U21.
3. synchronous frequency conversion formula alternating current machine vector converter controller according to claim 1, is characterized in that: main circuit (61) and control circuit (62) are installed in housing (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420180618.6U CN203883731U (en) | 2013-04-17 | 2014-04-15 | Vector variable-frequency controller for synchronous variable-frequency AC motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310133531.3 | 2013-04-17 | ||
| CN201310133531 | 2013-04-17 | ||
| CN201420180618.6U CN203883731U (en) | 2013-04-17 | 2014-04-15 | Vector variable-frequency controller for synchronous variable-frequency AC motor |
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| CN201410149851.2A Active CN103956952B (en) | 2013-04-17 | 2014-04-15 | Synchronous frequency conversion formula alternating current generator vector frequency conversion control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956952A (en) * | 2013-04-17 | 2014-07-30 | 济南田中工贸有限公司 | Vector frequency conversion controller of synchronization frequency conversion type alternating current motor |
| CN106452246A (en) * | 2016-12-02 | 2017-02-22 | 苏州韦德韦诺电气科技有限公司 | Vector voltage loop control system for industrial production and encryption method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104779880A (en) * | 2015-03-30 | 2015-07-15 | 成都颉隆科技有限公司 | Energy-saving type motor control system |
| CN105197100A (en) * | 2015-09-08 | 2015-12-30 | 苏州市博得立电源科技有限公司 | Automotive EPS (electric power steering) control system based on sine wave inverter |
| CN106091564B (en) * | 2015-12-25 | 2018-08-17 | 广东奥马冰箱有限公司 | Inexpensive button refrigerator computerized control system |
| CN105634135B (en) * | 2016-02-26 | 2019-05-03 | 国网山东省电力公司章丘市供电公司 | Power supply station's power quality protective device |
| CN106788000B (en) * | 2016-12-02 | 2022-12-23 | 深圳市斗索科技有限公司 | Motor starting and speed regulating control circuit and driving control method thereof |
| CN107196535B (en) * | 2017-07-20 | 2019-07-05 | 云南电网有限责任公司电力科学研究院 | A kind of inverter series connection synchronisation control means based on adaptive notch filter |
| KR20210053687A (en) * | 2019-11-04 | 2021-05-12 | 엘지전자 주식회사 | Device for driving a plurality of motors and electric apparatus including the same |
| CN115407149B (en) * | 2022-08-26 | 2024-05-14 | 南京轨道交通系统工程有限公司 | Subway train inversion control unit detection circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101106338A (en) * | 2006-07-14 | 2008-01-16 | 上海神源电气有限公司 | Bidirectional power flow efficient energy saving converter |
| US8014179B2 (en) * | 2008-05-29 | 2011-09-06 | Hamilton Sundstrand Corporation | Multi output voltage regulation of a synchronous generator in a power system |
| CN102820791A (en) * | 2011-06-08 | 2012-12-12 | 浙江昀丰新能源科技有限公司 | Energy-saving type crystal growth high-frequency power supply device |
| CN103095202A (en) * | 2011-10-31 | 2013-05-08 | 戴树梅 | Synchronous generator inversion-type excitation system |
| CN203883731U (en) * | 2013-04-17 | 2014-10-15 | 栾亚伦 | Vector variable-frequency controller for synchronous variable-frequency AC motor |
| CN103227598B (en) * | 2013-05-06 | 2015-04-15 | 宁德师范学院 | Permanent magnet motor controller with voltage dip protection function |
-
2014
- 2014-04-15 CN CN201420180618.6U patent/CN203883731U/en not_active Expired - Lifetime
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956952A (en) * | 2013-04-17 | 2014-07-30 | 济南田中工贸有限公司 | Vector frequency conversion controller of synchronization frequency conversion type alternating current motor |
| CN106452246A (en) * | 2016-12-02 | 2017-02-22 | 苏州韦德韦诺电气科技有限公司 | Vector voltage loop control system for industrial production and encryption method |
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| CN103956952A (en) | 2014-07-30 |
| CN103956952B (en) | 2017-10-13 |
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