CN204089655U - High pressure GIS isolating switch swing angle electric operating mechanism control device - Google Patents
High pressure GIS isolating switch swing angle electric operating mechanism control device Download PDFInfo
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- CN204089655U CN204089655U CN201420385486.0U CN201420385486U CN204089655U CN 204089655 U CN204089655 U CN 204089655U CN 201420385486 U CN201420385486 U CN 201420385486U CN 204089655 U CN204089655 U CN 204089655U
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Abstract
The utility model relates to a kind of high pressure GIS isolating switch swing angle electric operating mechanism control device, draw together Hall current sensor, rotary encoder, hall position sensor, angular displacement sensor, coil current testing circuit, motor speed testing circuit, position capture circuit, rotor stroke testing circuit, dsp processor, rectifier bridge, energy storage capacitor, capacitance voltage detects and charging circuit, power electronics control circuit, IGBT full bridge rectifier, remote controller module and DC power supplier, this device can realize the tracing control of swing angle electric speed, improve the stable action time of isolating switch divide-shut brake process, reduce contact because colliding the energy loss caused, improve the robustness of control system, the reliability of control precision and mechanism action, avoid coil burnout, extending mechanism useful life, achieve the object that high pressure GIS isolating switch swing angle electric operating mechanism has good stable action time.
Description
Technical field
The utility model belongs to electric automatization control field, is specifically related to a kind of high pressure GIS isolating switch swing angle electric operating mechanism control device.
Background technology
The machine driving of high pressure GIS isolating switch swing angle electric operating mechanism is simple, parts only have about 30% of spring operating mechanism, the magnetic field that coil magnetization electric current produces and permanent magnetic field interact and drive rotor turns, and then drive the power transmission shaft of isolating switch to complete breaking-closing operating, without the need to traditional mechanical trip and locker, this simple, the direct kind of drive makes the branch wire time of swing angle electric operating mechanism stable and run duration dispersiveness is little.But, because environmental condition difference will cause have dispersiveness the operate time of high voltage isolator, such as, when normal temperature, the coercive force of permanent magnetic material is 850kA/m, and when temperature is 80 DEG C, coercive force drops to 750kA/m, the direct result of generation is that the Driving Torque of swing angle electric operating mechanism diminishes, resultant magnetic field density reduces, and then causes the branch wire time of isolating switch to change.For isolating switch, the stable action time of divide-shut brake process is one of its important operating characteristic, therefore need to carry out Process Character control to isolating switch, by changing the movement velocity of contact in real time, the dispersiveness of operate time is compensated, and then ensures that isolating switch has good stable action time.Still comparatively limited for compensation method operate time of high pressure GIS isolating switch at present, therefore, in the actual motion of high pressure GIS isolating switch swing angle electric operating mechanism control system, by regulating the ability of contact movement velocity safety action time stability lower.
Summary of the invention
For the deficiency that prior art exists, the utility model provides a kind of high pressure GIS isolating switch swing angle electric operating mechanism control device.
The technical solution of the utility model is:
A kind of high pressure GIS isolating switch swing angle electric operating mechanism control device, draws together Hall current sensor, rotary encoder, hall position sensor, angular displacement sensor, coil current testing circuit, motor speed testing circuit, position capture circuit, rotor stroke testing circuit, dsp processor, rectifier bridge, energy storage capacitor, capacitance voltage detection and charging circuit, power electronics control circuit, IGBT full bridge rectifier, remote controller module and DC power supplier.
Rotary encoder is arranged on high pressure GIS isolating switch swing angle electric operating mechanism main shaft coaxial position, hall position sensor is arranged on high pressure GIS isolating switch swing angle electric operating mechanism end, Hall current sensor is through high pressure GIS isolating switch swing angle electric operating mechanism coil, and angular displacement sensor is arranged on high pressure GIS isolating switch swing angle electric operating mechanism main shaft coaxial position.
The input of DC power supplier and the input of rectifier bridge access utility grid respectively, the output of DC power supplier connects the input of Hall current sensor, the input of rotary encoder, the input of hall position sensor, the input of angular displacement sensor, an input of dsp processor, an input of coil current testing circuit and an input of power electronics control circuit, the different outputs of rectifier bridge connect the positive pole of energy storage capacitor and an input of capacitance voltage monitoring and charging circuit respectively, the positive pole of energy storage capacitor connects an input of capacitance voltage monitoring and charging circuit, an output of capacitance voltage monitoring and charging circuit connects the negative pole of energy storage capacitor, another input of the output connecting coil current detection circuit of Hall current sensor, the output of rotary encoder connects the input of motor speed testing circuit, the input of the output link position capture circuit of hall position sensor, the output of angular displacement sensor connects the input of rotor stroke testing circuit, the output of coil current testing circuit, the output of motor speed testing circuit, the output of position capture circuit, the output of rotor stroke testing circuit, the output of remote controller module detects with capacitance voltage and an output of charging circuit is connected the different inputs of dsp processor respectively, the different outputs of dsp processor connect capacitance voltage respectively and detect and another input of charging circuit and the input of power electronics control circuit, the output of power electronics control circuit connects the input of IGBT full bridge rectifier, the negative pole of energy storage capacitor connects a road input of IGBT full bridge rectifier, an output of IGBT full bridge rectifier connects the positive pole of energy storage capacitor, the output of IGBT full bridge rectifier connects high pressure GIS and isolates swing angle electric operating mechanism three-phase input end.
Coil current testing circuit has three, and each coil current testing circuit comprises two operational amplifiers, and two operational amplifier series connection.
Motor speed testing circuit adopts bus transceiver.
Position capture circuit has three, each position capture circuit comprises a voltage-releasing voltage stabilizer and two electric capacity, decompression voltage regulator and two Capacitance parallel connections of connecting, the input of this voltage-releasing voltage stabilizer connects the output of hall position sensor, and the output of the voltage-releasing voltage stabilizer of position capture circuit connects the input of dsp processor.
Rotor stroke testing circuit comprises voltage-releasing voltage stabilizer and two electric capacity, decompression voltage regulator and two Capacitance parallel connections of connecting, the input joint angle displacement transducer of this voltage-releasing voltage stabilizer, and the output of this voltage-releasing voltage stabilizer connects the input of dsp processor.
Power electronics control circuit is IGBT drive circuit.
Capacitance voltage detects and charging circuit comprises capacitance voltage testing circuit and capacitance voltage charging circuit, capacitance voltage testing circuit comprises the first linear optical coupling and operational amplifier, capacitance voltage charging circuit comprises the second linear optical coupling, IGBT and parallel resistance, the input of the first linear optical coupling connects the positive pole of energy storage capacitor, the input of an output concatenation operation amplifier of the first linear optical coupling, another output of first linear optical coupling connects one end of parallel resistance, the output of operational amplifier connects the input of dsp processor, two outputs of the second linear optical coupling connect the negative pole of energy storage capacitor and the input of IGBT respectively, another output of second linear optical coupling connects parallel resistance, the input of the second linear optical coupling connects the output of dsp processor.
The beneficial effects of the utility model are:
The utility model is in the operating process of high pressure GIS isolating switch swing angle electric operating mechanism, utilize rotary encoder, angular displacement sensor and Hall current sensor are to the rotating speed of high pressure GIS isolating switch swing angle electric, angular displacement and coil current carry out Real-time Collection, self-adaptive PID controller regulates according to the rotation process of collection signal to swing angle electric, realize the tracing control of swing angle electric speed, improve the stable action time of isolating switch divide-shut brake process, reduce contact because colliding the energy loss caused, improve the robustness of control system, the reliability of control precision and mechanism action, avoid coil burnout, extending mechanism useful life, achieve the object that high pressure GIS isolating switch swing angle electric operating mechanism has good stable action time.
Accompanying drawing explanation
Fig. 1 is the high pressure GIS isolating switch swing angle electric operating mechanism control device structure chart of the utility model embodiment;
Fig. 2 is the rotary encoder winding diagram of the utility model embodiment;
Fig. 3 is the hall position sensor winding diagram of the utility model embodiment;
Fig. 4 is the Hall current sensor winding diagram of the utility model embodiment;
Fig. 5 is the angular displacement sensor winding diagram of the utility model embodiment;
Fig. 6 is the coil current testing circuit schematic diagram of the utility model embodiment;
Fig. 7 is the motor speed testing circuit schematic diagram of the utility model embodiment;
Fig. 8 is the position capture circuit schematic diagram of the utility model embodiment;
Fig. 9 is the rotor stroke testing circuit schematic diagram of the utility model embodiment;
Figure 10 is the power electronics control module circuit theory diagrams of the utility model embodiment;
Figure 11 is that the capacitance voltage of the utility model embodiment detects and charging circuit schematic diagram;
Figure 12 is the DC power supplier winding diagram of the utility model embodiment;
Figure 13 is the dsp processor pin schematic diagram of the utility model embodiment;
Figure 14 is the rectifier bridge winding diagram of the utility model embodiment;
Figure 15 is the IGBT full bridge rectifier schematic diagram of the utility model embodiment;
Figure 16 is the remote controller module winding diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing to the utility model embodiment detailed description in addition.
As shown in Figure 1, a kind of high pressure GIS isolating switch swing angle electric operating mechanism control device, comprises Hall current sensor, rotary encoder, hall position sensor, angular displacement sensor, coil current testing circuit, motor speed testing circuit, position capture circuit, rotor stroke testing circuit, dsp processor, rectifier bridge, energy storage capacitor, capacitance voltage detection and charging circuit, power electronics control circuit, IGBT full bridge rectifier, remote controller module and DC power supplier.
The input of DC power supplier and the input of rectifier bridge access utility grid respectively, the output of DC power supplier connects the input of Hall current sensor respectively, the input of rotary encoder, the input of hall position sensor, the input of angular displacement sensor, an input of dsp processor, an input of coil current testing circuit and an input of power electronics control circuit, the different outputs of rectifier bridge connect the positive pole of energy storage capacitor and an input of capacitance voltage monitoring and charging circuit respectively, the positive pole of energy storage capacitor connects an input of capacitance voltage monitoring and charging circuit, an output of capacitance voltage monitoring and charging circuit connects the negative pole of energy storage capacitor, another input of the output connecting coil current detection circuit of Hall current sensor, the output of rotary encoder connects the input of motor speed testing circuit, the input of the output link position capture circuit of hall position sensor, the output of angular displacement sensor connects the input of rotor stroke testing circuit, the output of coil current testing circuit, the output of motor speed testing circuit, the output of position capture circuit, the output of rotor stroke testing circuit, the output of remote controller module detects with capacitance voltage and an output of charging circuit is connected the different inputs of dsp processor respectively, the different outputs of dsp processor connect capacitance voltage respectively and detect and another input of charging circuit and the input of power electronics control circuit, the output of power electronics control circuit connects the input of IGBT full bridge rectifier, the negative pole of energy storage capacitor connects a road input of IGBT full bridge rectifier, one road output of IGBT full bridge rectifier connects the positive pole of energy storage capacitor, the output of IGBT full bridge rectifier connects high pressure GIS and isolates swing angle electric operating mechanism three-phase input end.
As shown in Figure 2, rotary encoder is arranged on high pressure GIS isolating switch swing angle electric operating mechanism main shaft coaxial position, in high pressure GIS isolating switch swing angle electric operating mechanism rotation process, rotary encoder gathers the tach signal of high pressure GIS isolating switch swing angle electric operating mechanism, in present embodiment, the model of the rotary encoder chosen is E6B2-CWZ1X1000P/R, 1 pin ground connection of rotary encoder, 0 pin of rotary encoder connects the+5V pin of DC power supplier, and 2 pins of rotary encoder connect the A1 pin of motor speed testing circuit.
As shown in Figure 3, hall position sensor comprises three Hall elements, three Hall elements are arranged on high pressure GIS isolating switch swing angle electric operating mechanism End-hall dish diverse location respectively, in high pressure GIS isolating switch swing angle electric operating mechanism rotation process, hall position sensor gathers the position signalling of high pressure GIS isolating switch swing angle electric operating mechanism rotor, in present embodiment, the model of the Hall element chosen is TO-92UA, 0 pin of three Hall elements of hall position sensing all connects+5V the pin of DC power supplier, 1 pin ground connection of three Hall elements of hall position sensing, the A of three Hall elements of hall position sensing, B, 1 pin of C pin link position capture circuit.
As shown in Figure 4, Hall current sensor has three, Hall current sensor is through high pressure GIS isolating switch swing angle electric operating mechanism coil, in high pressure GIS isolating switch swing angle electric operating mechanism rotation process, Hall current sensor gathers the current signal of high pressure GIS isolating switch swing angle electric operating mechanism coil, in present embodiment, the model that Hall current sensor is chosen is CHF-400B, 0 pin of Hall current sensor connects the+12V pin of DC power supplier, 1 pin of Hall current sensor connects the-12V pin of DC power supplier, 0 pin of 2 pin connecting coil current detection circuits of Hall current sensor, 3 pin ground connection of Hall current sensor.
As shown in Figure 5, angular displacement sensor is arranged on high pressure GIS isolating switch swing angle electric operating mechanism main shaft coaxial position, in high pressure GIS isolating switch swing angle electric operating mechanism rotation process, angular displacement sensor gathers the angular displacement signal of high pressure GIS isolating switch swing angle electric operating mechanism, in present embodiment, the model of the angular displacement sensor chosen is WDD35D4,0 pin of angular displacement sensor connects DC power supplier+5V pin, 1 pin of angular displacement sensor connects 1 pin of rotor stroke testing circuit, 2 pin ground connection of angular displacement sensor.
As shown in Figure 6, coil current testing circuit has three, and each coil current testing circuit comprises two operational amplifiers, and two operational amplifier series connection.The current signal of the high pressure GIS isolating switch swing angle electric operating mechanism coil that coil current testing circuit gathers for the Hall current sensor obtained, current signal is passed to dsp processor, ensure the electrical isolation of external circuit and control circuit, improve acquisition precision, in present embodiment, two operational amplifier models of coil current testing circuit are OP07, 0 pin of coil current testing circuit connects 2 pins of Hall current sensor, 1 pin of three coil current testing circuits connects the ADCINB0 of dsp processor respectively, ADCINB1, ADCINB2 pin, 2 of coil current testing circuit, 4 pins connect the+12V pin of DC power supplier, 1 of coil current testing circuit, 3 pins connect the-12V pin of DC power supplier.
As shown in Figure 7, motor speed testing circuit adopts bus transceiver, motor speed testing circuit is for obtaining the tach signal of the high pressure GIS isolating switch swing angle electric operating mechanism of rotary encoder collection, realize the high accuracy level conversion of 5V to 3V, tach signal is passed to dsp processor, in present embodiment, the model of the bus transceiver of motor speed testing circuit is SN74LVCH245A, the A1 pin of motor speed testing circuit connects 2 pins of rotary encoder, the B1 pin of motor speed testing circuit connects the CAP4 pin of dsp processor, the VCC of motor speed testing circuit, DIR pin connects 3.3V battery, the OE of motor speed testing circuit, GND, A4 ~ A8 pin ground connection.
As shown in Figure 8, position capture circuit has three, each position capture circuit comprises a voltage-releasing voltage stabilizer and two electric capacity, decompression voltage regulator and two Capacitance parallel connections of connecting, position capture circuit obtains the position signalling of the high pressure GIS isolating switch swing angle electric operating mechanism rotor that hall position sensor gathers, and convert this 5V output signal to 3V signal, the position signalling of high pressure GIS isolating switch swing angle electric operating mechanism rotor is passed to dsp processor, in present embodiment, the model of the voltage-releasing voltage stabilizer of position capture circuit is LTI930, 0 pin ground connection of three position capture circuits, 1 pin of three position capture circuits connects the A of hall position sensor respectively, B, C pin, 2 pins of three position capture circuits connect the CAP1 of dsp processor respectively, CAP2, CAP3 pin.
As shown in Figure 9, rotor stroke testing circuit comprises voltage-releasing voltage stabilizer and two electric capacity, decompression voltage regulator and two Capacitance parallel connections of connecting, the angular displacement signal of the high pressure GIS isolating switch swing angle electric operating mechanism that rotor stroke testing circuit gathers for the angular displacement sensor obtained, and realize the level conversion of 5V to 3V, angular displacement signal is passed to dsp processor, in present embodiment, the model of the voltage-releasing voltage stabilizer of rotor stroke testing circuit is LM3940, 0 pin ground connection of rotor stroke testing circuit, 1 pin joint angle displacement transducer 1 pin of rotor stroke testing circuit, the ADCINA4 pin of 2 pin dsp processors.
As shown in Figure 10, power electronics control circuit is IGBT drive circuit.Present embodiment adopts the High Speed I GBT drive circuit of six 2SC010T boost modules, carries out boost operations to the pwm signal of dsp processor, realizes the effective conducting to IGBT and cut-off.+ 15V the voltage of power electronics control circuit is supplied by DC power supplier, good rise and fall can be obtained along ripple, realize the driving of IGBT full bridge rectifier, the GND pin ground connection of power electronics control circuit, the VCC pin of power electronics control circuit connects the+15V pin of DC power supplier, sPWM1 ~ 6 pin of power electronics control circuit connects PWM1 ~ 6 pin of dsp processor, 1 pin of power electronics control circuit connects 2 ~ 7 pins of IGBT full bridge rectifier, 2 pins of power electronics control circuit connect T1 ~ T6 pin of IGBT full bridge rectifier, 3 pins of power electronics control circuit connect 8 ~ 13 pins of IGBT full bridge rectifier.
As shown in figure 11, capacitance voltage detects and charging circuit is used for the output voltage of energy storage capacitor to carry out step-down process, dsp processor is supplied to after energy storage capacitor output voltage is reduced 200 times, realize the charging to energy storage capacitor simultaneously, capacitance voltage detects and charging circuit comprises capacitance voltage testing circuit and capacitance voltage charging circuit, capacitance voltage testing circuit comprises the first linear optical coupling that model is HCNR200 and model is the operational amplifier of OPAMP, capacitance voltage charging circuit comprises the second linear optical coupling that model is HCNR200, IGBT and parallel resistance, the input of the first linear optical coupling HCNR200 connects the positive pole of energy storage capacitor, the input of photodiode output concatenation operation amplifier OPAMP in first linear optical coupling HCNR200, the photodiode output of the first linear optical coupling HCNR200 connects parallel resistance, the output of operational amplifier OPAMP connects dsp processor ADCINA0 pin, the light-emitting diode output of the second linear optical coupling HCNR200 connects the negative pole of energy storage capacitor, the light-emitting diode output of the second linear optical coupling HCNR200 connects IGBT grid, second linear optical coupling HCNR200 light-emitting diode input connects parallel resistance, the input of the second linear optical coupling HCNR200 photodiode connects the GPIO54 pin of dsp processor.
As shown in figure 12, DC power supplier is dsp processor, hall position sensor, rotary encoder, angular displacement sensor, Hall current sensor, IGBT full bridge rectifier and coil current testing circuit are powered, the input access 220V electrical network of DC power supplier, DC power supplier ± 12V pin connect Hall current sensor 0, 1 pin, + 5V the pin of DC power supplier connects 0 pin of rotary encoder, + 5V the pin of DC power supplier connects 0 pin of hall position sensor, the 0 pin of+5V pin joint angle displacement transducer of DC power supplier, + 5V the pin of DC power supplier connects the VCC pin of dsp processor, 2 of+12V pin connecting coil the current detection circuit of DC power supplier, 4 pins, 3 of-12V pin connecting coil the current detection circuit of DC power supplier, 5 pins, + 15V the pin of DC power supplier connects the VCC pin of IGBT full bridge rectifier.
As shown in figure 13, dsp processor is the core processor of high pressure GIS isolating switch swing angle electric operating mechanism control device, in high pressure GIS isolating switch swing angle electric operating mechanism rotation process, to the tach signal of the high pressure GIS isolating switch swing angle electric operating mechanism of Real-time Obtaining, the current signal of high pressure GIS isolating switch swing angle electric operating mechanism coil and the angular displacement signal of high pressure GIS isolating switch swing angle electric operating mechanism carry out PID control, the rotating speed of real-time adjustment high pressure GIS isolating switch swing angle electric operating mechanism, and control command is sent to the IGBT of capacitance voltage detection and charging circuit.
Model is selected to be the dsp processor of TMS320F28335 in present embodiment.
2 pins of CAP1 ~ CAP3 pin link position capture circuit of dsp processor, the CAP4 pin point of dsp processor connects the B1 pin of motor speed testing circuit, 1 pin of ADCINB0 ~ ADCINB2 pin connecting coil current detection circuit of dsp processor, the ADCINA4 pin of dsp processor connects 2 pins of rotor stroke testing circuit, the GPIO49 of dsp processor, GPIO51, GPIO53 pin connects the output 1 of remote controller module respectively, export 2, export 3 pins, the ADCINA0 pin of dsp processor connects capacitance voltage and detects and charging circuit 2 pin, the GPIO54 pin of dsp processor connects capacitance voltage and detects and charging circuit 3 pin, PWM1 ~ PWM6 pin of dsp processor connects sPWM1 ~ sPWM6 pin of power electronics control module respectively, the VCC pin of dsp processor connects the+5V pin of DC power supplier.
As shown in figure 14, rectifier bridge is used for changing the alternating current of AC220V utility grid into direct current, is detected and charging circuit is energy storage capacitor charging by capacitance voltage, selects model to be the rectifier bridge of 6RI100G-160 in present embodiment.
0,1 pin access utility grid of rectifier bridge, 2 pins of rectifier bridge connect 4 pins of capacitance voltage detection and charging control circuit, and 3 pins of rectifier bridge connect the positive pole of energy storage capacitors.
As shown in figure 15, IGBT full bridge rectifier is formed the IGBT (T1 ~ T6) of parallel connection and sustained diode 1 ~ D6 by six, IGBT full bridge rectifier passes through conducting and the cut-off of control IGBT, timesharing conducting swing angle electric operating mechanism winding current, driving swing angle electric operating mechanism rotates, and the model of six IGBT that present embodiment is selected is Infineon FF300R17KE3.
0 pin of IGBT full bridge rectifier connects the negative pole of energy storage capacitor, 1 pin of IGBT full bridge rectifier connects the positive pole of energy storage capacitor, T1 ~ T6 pin of IGBT full bridge rectifier connects 2 pins of six 2SC010T boost modules of power electronics control circuit respectively, 2 ~ 7 pins of IGBT full bridge rectifier connect 1 pin of six 2SC010T boost modules of power electronics control circuit respectively, 8 ~ 13 pins of IGBT full bridge rectifier connect 3 pins of six 2SC010T boost modules of power electronics control circuit respectively, 14 ~ 16 of IGBT full bridge rectifier connects high pressure GIS swing angle electric operating mechanism A, B, C three-phase coil.
Energy storage capacitor is as the energy source of swing angle electric operating mechanism, in high pressure GIS isolating switch swing angle electric operating mechanism rotation process, be that swing angle electric operating mechanism is powered by IGBT full bridge rectifier, realize the breaking-closing operating of isolating switch, present embodiment selects model to be the energy storage capacitor of HCG22000uF/450V.
As shown in figure 16, remote controller module selects model to be the remote controller of PT2272-M4.Remote controller module exports 1, exports 2, exports GPIO49, GPIO51, GPIO53 pin that 3 connect dsp processor respectively.
The course of work of above-mentioned high pressure GIS isolating switch swing angle electric operating mechanism control device is as follows:
Remote controller module sends the instruction of the IGBT of conducting electric capacity voltage detecting and charging circuit to dsp processor, the IGBT conducting of capacitance voltage detection and charging circuit, utility grid is charged to energy storage capacitor through rectifier bridge, and utility grid is powered to Hall current sensor, rotary encoder, hall position sensor, angular displacement sensor, dsp processor, coil current testing circuit and power electronics control circuit through DC power supplier.
Capacitance voltage detects and the voltage of energy storage capacitor is reduced 200 times and sends dsp processor to by charging circuit, when energy storage capacitor magnitude of voltage reaches rated value, dsp processor detects to capacitance voltage and charging circuit sends cutoff command, terminates the charging to energy storage capacitor.
Remote controller module sends high pressure GIS isolating switch separating brake or closing operation instruction to dsp processor, and energy storage capacitor is powered to high pressure GIS isolating switch swing angle electric operating mechanism by IGBT full bridge rectifier.
Hall position sensor gathers the position signalling of high pressure GIS isolating switch swing angle electric operating mechanism rotor, rotary encoder gathers the tach signal of high pressure GIS isolating switch swing angle electric operating mechanism, Hall current sensor gathers the current signal of high pressure GIS isolating switch swing angle electric operating mechanism coil, and angular displacement sensor gathers the angular displacement signal of high pressure GIS isolating switch swing angle electric operating mechanism.
Position capture circuit obtains the position signalling of high pressure GIS isolating switch swing angle electric operating mechanism rotor, IGBT full bridge rectifier, according to the turn-on sequence of the IGBT in the position signalling control IGBT full bridge rectifier of high pressure GIS isolating switch swing angle electric operating mechanism rotor, drives high pressure GIS isolating switch swing angle electric operating mechanism to rotate.
In high pressure GIS isolating switch swing angle electric operating mechanism rotation process, the angular displacement signal of the high pressure GIS isolating switch swing angle electric operating mechanism that the current signal of the high pressure GIS isolating switch swing angle electric operating mechanism coil that the tach signal of the high pressure GIS isolating switch swing angle electric operating mechanism obtained by motor speed testing circuit, coil current testing circuit obtain, rotor stroke testing circuit obtain sends dsp processor to.
Dsp processor carries out PID control according to the tach signal of the high pressure GIS isolating switch swing angle electric operating mechanism of Real-time Obtaining, the current signal of high pressure GIS isolating switch swing angle electric operating mechanism coil and the angular displacement signal of high pressure GIS isolating switch swing angle electric operating mechanism, regulates the rotating speed of high pressure GIS isolating switch swing angle electric operating mechanism in real time.
According to the angular displacement signal of high pressure GIS isolating switch swing angle electric operating mechanism, judge whether the rotor of high pressure GIS isolating switch swing angle electric operating mechanism completes whole stroke, if, then high pressure GIS isolating switch swing angle electric operating mechanism completes separating brake or closing operation, cuts off utility grid and powers.
Claims (7)
1. a high pressure GIS isolating switch swing angle electric operating mechanism control device, it is characterized in that, comprise Hall current sensor, rotary encoder, hall position sensor, angular displacement sensor, coil current testing circuit, motor speed testing circuit, position capture circuit, rotor stroke testing circuit, dsp processor, rectifier bridge, energy storage capacitor, capacitance voltage detection and charging circuit, power electronics control circuit, IGBT full bridge rectifier, remote controller module and DC power supplier;
Rotary encoder is arranged on high pressure GIS isolating switch swing angle electric operating mechanism main shaft coaxial position, hall position sensor is arranged on high pressure GIS isolating switch swing angle electric operating mechanism end, Hall current sensor is through high pressure GIS isolating switch swing angle electric operating mechanism coil, and angular displacement sensor is arranged on high pressure GIS isolating switch swing angle electric operating mechanism main shaft coaxial position;
The input of DC power supplier and the input of rectifier bridge access utility grid respectively, the output of DC power supplier connects the input of Hall current sensor, the input of rotary encoder, the input of hall position sensor, the input of angular displacement sensor, an input of dsp processor, an input of coil current testing circuit and an input of power electronics control circuit, the different outputs of rectifier bridge connect the positive pole of energy storage capacitor and an input of capacitance voltage monitoring and charging circuit respectively, the positive pole of energy storage capacitor connects an input of capacitance voltage monitoring and charging circuit, an output of capacitance voltage monitoring and charging circuit connects the negative pole of energy storage capacitor, another input of the output connecting coil current detection circuit of Hall current sensor, the output of rotary encoder connects the input of motor speed testing circuit, the input of the output link position capture circuit of hall position sensor, the output of angular displacement sensor connects the input of rotor stroke testing circuit, the output of coil current testing circuit, the output of motor speed testing circuit, the output of position capture circuit, the output of rotor stroke testing circuit, the output of remote controller module detects with capacitance voltage and an output of charging circuit is connected the different inputs of dsp processor respectively, the different outputs of dsp processor connect capacitance voltage respectively and detect and another input of charging circuit and the input of power electronics control circuit, the output of power electronics control circuit connects the input of IGBT full bridge rectifier, the negative pole of energy storage capacitor connects a road input of IGBT full bridge rectifier, an output of IGBT full bridge rectifier connects the positive pole of energy storage capacitor, the output of IGBT full bridge rectifier connects high pressure GIS and isolates swing angle electric operating mechanism three-phase input end.
2. high pressure GIS isolating switch swing angle electric operating mechanism control device according to claim 1, it is characterized in that, described coil current testing circuit has three, and each coil current testing circuit comprises two operational amplifiers, and two operational amplifier series connection.
3. high pressure GIS isolating switch swing angle electric operating mechanism control device according to claim 1, is characterized in that, described motor speed testing circuit adopts bus transceiver.
4. high pressure GIS isolating switch swing angle electric operating mechanism control device according to claim 1, it is characterized in that, described position capture circuit has three, each position capture circuit comprises a voltage-releasing voltage stabilizer and two electric capacity, decompression voltage regulator and two Capacitance parallel connections of connecting, the input of this voltage-releasing voltage stabilizer connects the output of hall position sensor, and the output of the voltage-releasing voltage stabilizer of position capture circuit connects the input of dsp processor.
5. high pressure GIS isolating switch swing angle electric operating mechanism control device according to claim 1, it is characterized in that, described rotor stroke testing circuit comprises voltage-releasing voltage stabilizer and two electric capacity, decompression voltage regulator and two Capacitance parallel connections of connecting, the input joint angle displacement transducer of this voltage-releasing voltage stabilizer, the output of this voltage-releasing voltage stabilizer connects the input of dsp processor.
6. high pressure GIS isolating switch swing angle electric operating mechanism control device according to claim 1, it is characterized in that, described power electronics control circuit is IGBT drive circuit.
7. high pressure GIS isolating switch swing angle electric operating mechanism control device according to claim 1, it is characterized in that, described capacitance voltage detects and charging circuit comprises capacitance voltage testing circuit and capacitance voltage charging circuit, capacitance voltage testing circuit comprises the first linear optical coupling and operational amplifier, capacitance voltage charging circuit comprises the second linear optical coupling, IGBT and parallel resistance, the input of the first linear optical coupling connects the positive pole of energy storage capacitor, the input of an output concatenation operation amplifier of the first linear optical coupling, another output of first linear optical coupling connects one end of parallel resistance, the output of operational amplifier connects the input of dsp processor, two outputs of the second linear optical coupling connect the negative pole of energy storage capacitor and the input of IGBT respectively, another output of second linear optical coupling connects parallel resistance, the input of the second linear optical coupling connects the output of dsp processor.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104113241A (en) * | 2014-07-11 | 2014-10-22 | 沈阳工业大学 | Control device and method of swing angle motor operating mechanism of high-voltage GIS (Gas Insulated Switchgear) isolating switch |
| CN109935493A (en) * | 2017-12-15 | 2019-06-25 | 施耐德电器工业公司 | With the electric switch equipment for detachably recharging module |
| CN112526265A (en) * | 2020-11-27 | 2021-03-19 | 广东电网有限责任公司佛山供电局 | GIS equipment test system and method |
| CN112557895A (en) * | 2020-12-16 | 2021-03-26 | 国网江苏省电力有限公司检修分公司 | GIS disconnecting switch fault diagnosis method based on multiple characteristic quantities |
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2014
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113241A (en) * | 2014-07-11 | 2014-10-22 | 沈阳工业大学 | Control device and method of swing angle motor operating mechanism of high-voltage GIS (Gas Insulated Switchgear) isolating switch |
| CN109935493A (en) * | 2017-12-15 | 2019-06-25 | 施耐德电器工业公司 | With the electric switch equipment for detachably recharging module |
| CN112526265A (en) * | 2020-11-27 | 2021-03-19 | 广东电网有限责任公司佛山供电局 | GIS equipment test system and method |
| CN112557895A (en) * | 2020-12-16 | 2021-03-26 | 国网江苏省电力有限公司检修分公司 | GIS disconnecting switch fault diagnosis method based on multiple characteristic quantities |
| CN112557895B (en) * | 2020-12-16 | 2023-12-22 | 国网江苏省电力有限公司检修分公司 | GIS isolating switch fault diagnosis method based on multiple characteristic quantities |
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