CN207994811U - A kind of energy accumulation device for fly wheel of wind-light complementary system - Google Patents
A kind of energy accumulation device for fly wheel of wind-light complementary system Download PDFInfo
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- CN207994811U CN207994811U CN201820461251.3U CN201820461251U CN207994811U CN 207994811 U CN207994811 U CN 207994811U CN 201820461251 U CN201820461251 U CN 201820461251U CN 207994811 U CN207994811 U CN 207994811U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
A kind of energy accumulation device for fly wheel of wind-light complementary system, including DSP (1), isolated drive circuit (2), two-way PWM inverter circuit (3), fly-wheel motor (4), current detection circuit (5), voltage detecting circuit (6), rotary transformer circuit (7) and Multi-bit LED display driver (8)；The fly-wheel motor (4) uses magneto, and the rotary transformer circuit (7) includes rotary transformer exciting circuit and signals of rotating transformer receiving circuit；The DSP (1) is separately connected voltage detecting circuit (6), isolated drive circuit (2), current detection circuit (5), rotary transformer circuit (7) and Multi-bit LED display driver (8), the voltage detecting circuit (6) and isolated drive circuit (2) are separately connected two-way PWM inverter circuit (3), the two-way PWM inverter circuit (3) is separately connected fly-wheel motor (4) and wind-light complementing power generation device, the fly-wheel motor (4) is separately connected current detection circuit (5) and rotary transformer circuit (7).The utility model realization stores the energy of wind-light complementing power generation device in the form of mechanical energy, and is discharged with electrical energy form.
Description
Technical field
A kind of energy accumulation device for fly wheel of wind-light complementary system of the utility model belongs to Generation Control field.
Background technology
Wind energy has the characteristics of cleanliness without any pollution, take not to the utmost as a kind of energy, is based on these features, the world is to wind
The utilization of energy is more paid attention to.There are larger differences for China's regional geography, there are the water shortage of large area, short bunker or have inconvenient traffic
Island, mountain area and highlands.It can be said that the development wind-power electricity generation of adaptation to local conditions is very suitable for, it is well worth doing.
Traditional wind-light complementing power generation device use lead-acid battery energy storage mode, lead-acid battery have service life it is short,
Charging is slow, pollutes the shortcomings that environment.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of energy accumulation device for fly wheel of wind-light complementary system.
What the purpose of this utility model was realized in：
A kind of energy accumulation device for fly wheel for wind-light complementary system, the energy accumulation device for fly wheel include DSP, isolation drive electricity
Road, two-way PWM inverter circuit, fly-wheel motor, current detection circuit, voltage detecting circuit, rotary transformer circuit and multidigit
LED display drivers；It includes rotary transformer excitation that the fly-wheel motor, which uses magneto, the rotary transformer circuit,
Circuit and signals of rotating transformer receiving circuit；The DSP is separately connected voltage detecting circuit, isolated drive circuit, electric current inspection
Slowdown monitoring circuit, rotary transformer circuit and Multi-bit LED display driver, the voltage detecting circuit and isolated drive circuit connect respectively
Two-way PWM inverter circuits are connect, the two-way PWM inverter circuit is separately connected fly-wheel motor and wind-light complementing power generation device,
The fly-wheel motor is separately connected current detection circuit and rotary transformer circuit.
A kind of energy accumulation device for fly wheel for wind-light complementary system further includes charging circuit；The charging circuit packet
Include resistance R300, R301, R302, inductance L1, L2, L3, rectification circuit A, polarized capacitance C and rectification/inverter circuit B；It is described
Rectification circuit A includes diode D40, D41, D42, D43, D44 and D45；The rectification/inverter circuit B include triode V1,
V2, V3, V4, V5 and V6, diode D46, D47, D48, D49, D50 and D51；The R300 by L1 be connected to D40 and D41 it
Between, the R301 is connected to by L2 between D42 and D43, and the R302 is connected to by L3 between D44 and D45, the D40
In parallel with C respectively with D41, D42 and D43, D44 and D45, described V1 parallel connections D46, V4 parallel connection D49, V3 parallel connection D47, V6 are in parallel
D50, V5 parallel connection D48, V2 parallel connection D51, V1 connection V4, V3 connection V6, V5 connection V2 are in parallel with C respectively, the magneto point
It is not connected between V1 and V4, between V3 and V6, between V5 and V2.
A kind of energy accumulation device for fly wheel for wind-light complementary system, further include three-level Boost circuit include voltage Ua,
Ub and Uc, resistance R303, R304 and R305, inductance La, Lb and Lc, diode VD1, VD2, VD3, VD4, VD5 and VD6, three poles
Pipe V7, V8 and V9, capacitance C1；Ua is connected to by R303 and La between VD1 and V7, Ub by R304 and Lb be connected to VD2 and
Between V8, Uc is connected to by R305 and Lc between VD3 and V9, V7 parallel connections VD4, V8 parallel connection VD5, V9 the parallel connection VD6, institute
It is in parallel with C1 respectively to state VD1 connections V7, VD2 connection V8, VD3 connection V9.
A kind of energy accumulation device for fly wheel for wind-light complementary system further includes synchronous signal obtaining circuit；It is described same
It includes three-phase synchronous transformer T2 to walk signal acquisition circuit, resistance R29, R30, R21, R22, R23 and R24, A are synchronised processing
Circuit, B are synchronised processing circuit, and C is synchronised processing circuit；The T2 is separately connected R29, R30 and R21, and the R29 connects respectively
It meets A to be synchronised processing circuit and R22, R30 is separately connected B and is synchronised processing circuit and R23, and R21 is separately connected C and is synchronised processing
Circuit and R24, described R22, R23 connect ground wire with R24, and the A processing circuits that are synchronised include operational amplifier, resistance R25,
Capacitance C5, diode two；The operational amplifier pin 1 connects R25, and R25 is separately connected between C5 and two diode, institute
A diode connection power supply+3.3V is stated, another diode connects C5 and simulation ground.
Advantageous effect：
The utility model provides a kind of energy accumulation device for fly wheel of wind-light complementary system, compared with conventional batteries, under having
Row advantage：
1, the utility model realizes off-network and grid-connected two kinds of powering modes, improves capacity usage ratio；
2, the utility model realization stores the energy of wind-light complementing power generation device in the form of mechanical energy, and with electric energy shape
Formula discharges；
3, the discharge portion of the utility model realizes boosting, voltage stabilizing function, to load using three-level Boost pressure build-up techniques
Electric energy is provided, realizes kinetic energy to electric transformation of energy；
4, the utility model realizes and turns to fly-wheel motor using rotary transformer circuit as position sensor mode
The accurate judgement of sub- position.
Description of the drawings
Fig. 1 is a kind of wind-light complementing power generation device structure diagram.
Fig. 2 is a kind of energy accumulation device for fly wheel structure chart for wind-light complementary system.
Fig. 3 is charging circuit diagram.
Fig. 4 is rotary transformer filtering excitation driver circuit diagram.
Fig. 5 is signals of rotating transformer acceptor circuit.
Fig. 6 is current detection circuit figure.
Fig. 7 is voltage detecting circuit figure.
Fig. 8 is three-level Boost circuit figure.
Fig. 9 is synchronous signal obtaining circuit diagram.
Figure 10 is isolated drive circuit figure.
Figure 11 is Controlling model figure.
Figure 12 is two-way PWM inverter circuit diagram.
In figure：1DSP, 2 isolated drive circuits, 3 two-way PWM inverter circuits, 4 fly-wheel motors, 5 current detection circuits, 6
Voltage detecting circuit, 7 rotary transformer circuits, 8 Multi-bit LED display drivers.
Specific implementation mode
Specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Specific implementation mode one
A kind of energy accumulation device for fly wheel for wind-light complementary system, as shown in Fig. 2, the energy accumulation device for fly wheel includes
DSP1, isolated drive circuit 2, two-way PWM inverter circuit 3, fly-wheel motor 4, current detection circuit 5, voltage detecting circuit 6,
Rotary transformer circuit 7 and Multi-bit LED display driver 8；The fly-wheel motor 4 uses permanent magnet synchronous motor, the rotation to become
Transformer circuits 7 include rotary transformer exciting circuit and signals of rotating transformer receiving circuit；The DSP1 is separately connected voltage
Detection circuit 6, isolated drive circuit 2, current detection circuit 5, rotary transformer circuit 7 and Multi-bit LED display driver 8, institute
It states voltage detecting circuit 6 and isolated drive circuit 2 is separately connected two-way PWM inverter circuit 3, the two-way PWM inverter electricity
Road 3 is separately connected fly-wheel motor 4 and wind and solar hybrid generating system, and the fly-wheel motor 4 is separately connected 5 He of current detection circuit
Rotary transformer circuit 7.
Operation principle：Permanent magnet synchronous wind generator or solar panel start to super electricity combined with Figure 1 and Figure 2,
Capacity charge, when the electric current of super capacitor is more than default maximum current, current detection circuit 5 is by the electric current detected by handling
Afterwards, it is sent to DSP1, DSP1 receives overcurrent signal, and DSP sends energy storage signal to two-way PWM inverter circuit 3, two-way
PWM inverter circuits 3 drive fly-wheel motor 4 to accelerate rotation, fly-wheel motor 4 that energy stores are got up in the form of kinetic energy, complete
The storage energy process that electric energy is converted to mechanical energy, energy stores are in high-speed rotating freewheel body；Fly-wheel motor maintains later
One constant rotating speed passes through when current detection circuit 5 detects the electric current of super capacitor less than minimum default minimum current
After the processing of current detection circuit 5, it is sent to DSP1, DSP1 receives current signal, and DSP is sent to two-way PWM inverter circuit 3
Energy signal is released, two-way PWM inverter circuit 3 drives the power generation of fly-wheel motor high speed rotation, exports the electric current and voltage for loading,
After voltage detecting circuit 6 handles voltage, it is transmitted to DSP1, electric energy is transferred to wind and solar hybrid generating system by DSP1.In energy storage
Or during releasing energy, the detection of the position and speed of fly-wheel motor 4, Yi Mianfei are detected by rotary transformer circuit 7 in real time
Turbin generator 4 goes wrong.By Multi-bit LED display driver 8 can external light-emitting diode display, convenient in real time observation situation.
The DSP1 is using the TMS320F28335 of TI companies C2000 series as main control chip.TMS320F28335 refers to
It enables the period down to 6.67ns, has up to 56 multiplexing I/O ports, while including that 16 12 AD are interrupted, 3 32 bit CPUs timings
Device supports idle mode, standby mode and park mode, disclosure satisfy that the design requirement of the utility model, includes power supply electricity
The TMS320F28335 minimum systems on road, reset circuit and SRAM expanded circuits.
As shown in Figure 10, the master chip of isolated drive circuit 2 selects TLP250, and 74LS04 reverse phases are added for the front ends TLP250
Overall signal logic is become positive logic by device.R220 is 1k Ω resistance, and the resistance is mainly according to the photoelectricity transmission of optocoupler ratio
It determines.Negative pressure breaking circuit is designed on the right side of optocoupler, with 20V power supplies and a 5.1V voltage-stabiliser tubes generation+15V and -5V
IGBT cut-in voltages and shutdown voltage, to play the role of improving the turn-off speed of IGBT, resistance R222 is driving resistance, is driven
The value of dynamic resistance takes according to the driving current of IGBT, and representative value is 50~100 Ω.L1 is light emitting diode, enabling straight
The variation for seeing drive signal seen.
As shown in figure 12, two-way PWM inverter circuit 3 include triode S1, S2, S3, S4, S5 and S6, diode D1,
D2, D3, D4, D5 and D6, shown S1 parallel connections D1, S4 parallel connection D6, S1 connection S4 form IGBT, S3 parallel connections D3, S6 parallel connection D6, institute
S3 connection S6 are stated, IGBT, S5 parallel connections D5, S2 parallel connection D2, S5 connection S2 are formed, form IGBT, model is FF450R12KT4, A
The processing circuit that is synchronised is connected between S1 and S4, and the B processing circuits that are synchronised are connected between S3 and S6, and C is synchronised processing electricity
Road is connected between S5 and S2.
The utility model uses motor body of the permanent magnet synchronous motor as the utility model, when charging, using rotating speed, electricity
Double-loop control strategy and field orientation vector F OC control strategies are flowed, the utility model is made to have preferable sound state special
Property；Rotor position information is obtained using direct position detection, indirect position detecting method, wherein direct position detection method uses
Rotary transformer circuit 7 realizes the real-time detection of rotor-position, simultaneously, it is contemplated that the volume of position sensor is big, system complex
The characteristics of, rotor-position detection is carried out using the position-sensor-free based on sliding moding structure；Meanwhile using SVPWM modulation methods
Formula improves voltage utilization, widens electric machine speed regulation range.In addition, contribute to improve motor, it is double using sine wave, square wave
Mode operation regimes, using sine wave working method, improve the stability of device operation in middle low speed, in high speed, use
Square wave output services mode improves motor and contributes, widens electric machine speed regulation range.
When electric discharge, using three-level Boost circuit power topology and voltage, current double closed-loop control strategy, improve
Pusher side High Power Factor, low harmony wave output, convert mechanical energy to electric energy.
As shown in fig. 6, current detection circuit 5 includes closed-loop Hall current sensor CHB-50SF, resistance R36, resistance
R37, capacitance C12, operational amplifier U6A, resistance R38, resistance R39, resistance R40, operational amplifier U7A, resistance R42, operation
Amplifier U7B, resistance R44, resistance R41, diode D5, diode D6, capacitance C13；The model of operational amplifier is
LM358, R36 are sampling resistor, 25 Ω of value, since the turn ratio of CHB-50SF is 1:1000, limitation primary side alternating current-
Between 60A and+60A, then secondary side maximum current is 60mA, and voltage value is -1.5V~+1.5V at this time.Using voltage programmable
1.5V direct current biasings are generated, it, will be final by comprising there are two the adder circuit that the LM358 of integrated operational amplifier is formed
Voltage controls between 0~3V, and detection current range is -60A~+60A, 0V correspondences -60A, 3V correspondences+60A.Adder circuit
Resistance is 10k, and passive low ventilating filter resistance is 10k, and capacitance is 103.D5, D6 are the clamper to shield
Diode, model select IN4148.
As shown in fig. 7, voltage detecting circuit 6 includes resistance R25, closed-loop Hall current sensor CHV-25P/600, resistance
R26, resistance R27, capacitance C10, operational amplifier U2A, resistance R28, resistance R32, operational amplifier U2B, resistance R34, two poles
Pipe D3, diode D4 and capacitance C11；The utility model limits DC bus-bar voltage and is less than 800V, and it is 80k to take R25, then voltage is
Primary current when 800V is 10mA.Since the turn ratio of CHV-25P/600 is 2500:1000, so secondary side induced current is most
Big value is 25mA, and it is 100 Ω to take secondary side resistance, then voltage max is 2.5V.Therefore DC voltage model in the present invention
Enclose 0~800V, secondary voltage ranging from 0~2.5V.Rest part element value reference current detection circuit 5.
As shown in figure 4, rotary transformer exciting circuit includes resistance R2, R1, R3, R4, R5 and R6, capacitance C1, C4, C2
And C3, operational amplifier LM1 and LM2, model LM358, R2 are separately connected R1, R3 and C1, C1 connection ground wires, R3 connects respectively
The cathode of C4 and LM are connect, R1 is separately connected C4, LM1 and R4, and LM1 is separately connected+5V power supplys, ground wire, and LM1 anodes connect Vref
Endpoint, R4 are separately connected LM2 anodes and C2, C2 connection ground wire, and it is negative that LM2 is separately connected VCC endpoints, ground wire and endpoint Vout, LM2
Pole is separately connected R5, R6 and C3, R6 parallel connections C3, R6 connection end point Vout.
As shown in figure 5, signals of rotating transformer receiving circuit includes resistance R11, R12, R13, R14 and R15, capacitance C11,
C12 and C13, operational amplifier LM3 and LM4, model LM358, R12 are separately connected the cathode of R11, C11 and LM3, and R11 is simultaneously
Join C11, LM3 is separately connected+5V power supplys, endpoint Vref and ground wire, and R11 is separately connected LM2 and r 13, R13 be separately connected C12,
R14 and R15, C12 connection ground wire, R14 are separately connected the cathode of C13 and LM4, and R15 is separately connected C13, LM4 and endpoint Vout,
LM2 is separately connected VCC endpoints, ground wire and Vref endpoints.
A kind of energy accumulation device for fly wheel for wind-light complementary system, as shown in figure 3, further including charging circuit；It is described
Charging circuit includes resistance R300, R301, R302, inductance L1, L2, L3, rectification circuit A, polarized capacitance C and rectification/inversion
Circuit B；The rectification circuit A includes diode D40, D41, D42, D43, D44 and D45；The rectification/inverter circuit B includes
Triode V1, V2, V3, V4, V5 and V6, diode D46, D47, D48, D49, D50 and D51；The R300 is connected to by L1
Between D40 and D41, the R301 is connected to by L2 between D42 and D43, the R302 by L3 be connected to D44 and D45 it
Between, the D40 and D41, D42 and D43, D44 and D45 are in parallel with C respectively, and described V1 parallel connections D46, V4 parallel connection D49, V3 are in parallel
D47, V6 parallel connection D50, V5 parallel connection D48, V2 parallel connection D51, V1 connection V4, V3 connection V6, V5 connection V2 are in parallel with C respectively, described
Magneto is connected between V1 and V4, between V3 and V6, between V5 and V2.
A kind of energy accumulation device for fly wheel for wind-light complementary system further includes three-level Boost circuit, as shown in figure 8,
Three-level Boost circuit includes voltage Ua, Ub and Uc, resistance R303, R304 and R305, inductance La, Lb and Lc, diode VD1,
VD2, VD3, VD4, VD5 and VD6, triode V7, V8 and V9, capacitance C1；Ua is connected to by R303 and La between VD1 and V7,
Ub is connected to by R304 and Lb between VD2 and V8, and Uc is connected to by R305 and Lc between VD3 and V9, and the V7 is in parallel
VD4, V8 parallel connection VD5, V9 parallel connection VD6, VD1 connections V7, VD2 connection V8, VD3 connection V9 are in parallel with C1 respectively.
The utility model uses three-level Boost pressure build-up techniques, using three-level Boost circuit output voltage as control loop
Feedback voltage is compared with given voltage, and PI adjustings are being carried out to it, will be output as given value of current, then with three-level Boost
The electric current that inductance is flowed through in circuit compares, and is less than to constant current if flowing through inductive current, output 1, switching tube is open-minded, flows at this time
The electric current for crossing inductance gradually increases, and inductance is in energy storage state；If flowing through inductive current to be more than to constant current, 0 is exported, switch
Pipe turns off, and inductive current is exported through diode, and by storage energy release, energy is provided to output voltage Udc together with alternating voltage
Amount, enables output voltage to follow given voltage, achievees the purpose that voltage stabilizing.
One good control of discharge strategy will meet following two requirements：When allow system output stablize voltage, second is that
The electric current that Generation Side can be controlled under different loads is selected with achieving the purpose that improve power factor under discharge mode
Three-level Boost pressure build-up techniques.Inductive current is operated under DCM states in circuit, and DCM, that is, voltage-tracing enables input current
Current distortion rate can also become smaller automatic floating voltage simultaneously, achieve the purpose that improve power factor, and need not be continuously turned on
Pattern control loop complicated like that, can be realized as, while also being carried out to output voltage Ddc using most common PWM controls
Closed-loop control, Controlling model block diagram is as shown in figure 11, the same drive signal of three switching tubes V1, V2, V3.Discontinuously lead
Logical pattern has many advantages, such as that control circuit is simple, at low cost.
A kind of energy accumulation device for fly wheel for wind-light complementary system further includes synchronous signal obtaining circuit；Such as Fig. 9 institutes
Showing, the synchronous signal obtaining circuit includes three-phase synchronous transformer T2, resistance R29, R30, R21, R22, R23 and R24, A
Be synchronised processing circuit, and B is synchronised processing circuit, and C is synchronised processing circuit；The T2 is separately connected R29, R30 and R21, institute
It states R29 and is separately connected A and be synchronised processing circuit and R22, R30 is separately connected B and is synchronised processing circuit and R23, and R21 is separately connected
C is synchronised processing circuit and R24, and described R22, R23 connect ground wire with R24, and the A processing circuits that are synchronised include operation amplifier
Device, resistance R25, capacitance C5, diode two；The operational amplifier pin 1 connects R25, and R25 is separately connected C5 and two two
Between pole pipe, one diode connects power supply+3.3V, another diode connects C5 and simulation ground.
The acquisition of network voltage synchronizing signal is that an amplitude is obtained from power grid using three-phase synchronous transformer T2 is smaller
Sinusoidal signal, obtain a square-wave signal synchronous with network voltage through Zero-cross comparator, which can be captured by DSP1
Rising edge obtain the synchronizing signal of network voltage, the processing mode of three-phase synchronous signal is identical, is synchronised processing circuit with A
For, illustrate the acquisition of synchronizing signal.As shown in figure 9, the A for being obtained a small magnitude using three-phase synchronous transformer T2 is synchronised
Processing circuit voltage signal obtains a square-wave signal synchronous with network voltage through Zero-cross comparator, by the square-wave signal send to
The capture mouth CAP0 of DSP1, enters CAP Interrupt Subroutines, to realize power grid at the edge for capturing square-wave signal
Synchronized tracking.
A kind of energy accumulation device for fly wheel for wind-light complementary system, using orientation in the magneto accelerator
Vector controlled, is a process for making fly-wheel motor 4 accelerate to the control process nature that fly-wheel motor 4 charges, and fly-wheel motor 4 adds
Fast process selects FOC schemes.The mode of PMSM vector controlleds mainly has torque current than maximum control MTPA, cos φ controls, perseverance
Magnetic linkage control and weak magnetic control etc..For hidden pole type motor Ld=Lq, MTPA controls are exactly id=0 controls.For salient pole
Formula motor Ld<Lq can also be controlled by the control mode of id=0.Id=0 is us in the process accelerated to flywheel
The control mode of middle selection.Field weakening control method is mainly used for speed regulating control of the motor operation more than base speed.Due to Permanent Magnet and Electric
Machine does not have Exciting Windings for Transverse Differential Protection, can not directly control exciting current, so passing through the tune to stator side d-axis demagnetizing current
Save offset permanent magnet generation magnetic field, weaken magnetic saturation, this control mode be conducive to improve PMSM high speeds when torque it is defeated
Output capacity, maintain high speed when voltage balance.
A kind of energy accumulation device for fly wheel for wind-light complementary system, the permanent magnet synchronous wind generator use space
Voltage vector modulation SVPWM power tube is controlled, SVPWM technologies be when being powered with three-phase symmetrical sinusoidal voltage motor around
On the basis of the ideal magnetic flux circle that group generates, actual magnetic flux caused by the different on off states by inverter goes to approach ideal magnetic
Lead to circle, and determine the on off state of inverter by the comparison result of the two, to form PWM waveform.The utility model uses
Seven segmentation SVPWM, it is made of 3 sections of zero vectors and 4 sections of adjacent two non-zero vectors, and 3 sections of zero vectors are located at PWM wave
Beginning, centre and ending, in each sector with O000 zero vector beginning and ends, O111 zero vectors are inserted in centre, they
Action time it is identical, can ensure that the output of each PWM wave only makes power tube switch primary in this way.
Specific implementation mode two
Position of the utility model in wind-light complementing power generation device is as shown in Figure 1, by the way of wind light mutual complementing, it is ensured that
The complementations of different periods generated energy；In wind-light complementing power generation device, DC-DC transformation is changed the mold using the change of DC-AC-AC-DC
Formula, low-pressure side realize that DC-AC transformation, AC-AC transformation use high frequency transformer, AC-DC transformation using single-phase full bridge working method
It is realized using rectification and low-pass filtering, DC-DC boosting voltage regulation units are made of high frequency transformer and DSP1 for core devices, are used
Optocoupler is detected the DC voltage of output, and A/D conversions, the Voltage loop PI adjustings of DC bus-bar voltage are carried out by DSP1,
The control signal as low-pressure side full bridge power topological structure power switch tube is exported, DC-DC boosting voltage stabilizing controls are realized, from
And one is obtained higher than grid ac voltage peak value, steady dc voltage；Inverter is by DSP1 and hardware current closed loop control
Circuit processed is constituted for core, and using mixed-control mode, wherein DSP1 realizes network voltage detection, software phlase locking processing and electricity
The functions such as the SPWM waves generation of net voltage synchronous, hardware current closed control circuit, will be through filterings using TMS32F28335 as core
The three-phase sine-wave obtained after wave processing exports the Setting signal as current feedback, is realized back by hardware current closed-loop control
Supply current is with network voltage with frequently, reversely.
Wind-light complementing power generation device is made of the control unit using DSP1 as core, exactly gives wind energy and solar energy together
The utility model charges, i.e., the rectified rear and solar panel of the transformation of wind-driven generator output, frequency-changing AC electricity is sent out
Direct current gives the utility model power supply together, then by DC-DC obtain after boosting steady pressure treatment one it is stable, be higher than power grid
The DC voltage of voltage peak.Using three-phase inverter, to power grid injection with network voltage with frequency, with the alternating current of phase.
Honourable resource is efficiently utilized, electric energy and grid-connected to the maximum extent, while grid-connected feedback current real-time tracking are sent out
Electric network voltage phase and not by network voltage distortion influenced, the defencive functions such as the over-pressed, under-voltage of this external system, excess temperature ensure
The security reliability of system.
Claims (4)
1. a kind of energy accumulation device for fly wheel of wind-light complementary system, which is characterized in that the energy accumulation device for fly wheel include DSP (1), every
From driving circuit (2), two-way PWM inverter circuit (3), fly-wheel motor (4), current detection circuit (5), voltage detecting circuit
(6), rotary transformer circuit (7) and Multi-bit LED display driver (8)；The fly-wheel motor (4) uses magneto, described
Rotary transformer circuit (7) includes rotary transformer exciting circuit and signals of rotating transformer receiving circuit；The DSP (1) point
It Lian Jie not voltage detecting circuit (6), isolated drive circuit (2), current detection circuit (5), rotary transformer circuit (7) and multidigit
LED display drivers (8), the voltage detecting circuit (6) and isolated drive circuit (2) are separately connected two-way PWM inverter electricity
Road (3), the two-way PWM inverter circuit (3) are separately connected fly-wheel motor (4) and wind-light complementing power generation device, the flywheel
Motor (4) is separately connected current detection circuit (5) and rotary transformer circuit (7).
2. a kind of energy accumulation device for fly wheel of wind-light complementary system according to claim 1, which is characterized in that further include charging electricity
Road；The charging circuit includes resistance R300, R301, R302, inductance L1, L2, L3, rectification circuit A, polarized capacitance C and whole
Stream/inverter circuit B；The rectification circuit A includes diode D40, D41, D42, D43, D44 and D45；The rectification/inversion electricity
Road B includes triode V1, V2, V3, V4, V5 and V6, diode D46, D47, D48, D49, D50 and D51；The R300 passes through L1
Be connected between D40 and D41, the R301 is connected to by L2 between D42 and D43, the R302 by L3 be connected to D44 and
Between D45, the D40 and D41, D42 and D43, D44 and D45 are in parallel with C respectively, described V1 parallel connections D46, V4 parallel connection D49, V3
D47, V6 parallel connection D50, V5 parallel connection D48, V2 parallel connection D51, V1 connection V4, V3 connection V6, V5 connection V2 in parallel is in parallel with C respectively,
The magneto is connected between V1 and V4, between V3 and V6, between V5 and V2.
3. a kind of energy accumulation device for fly wheel of wind-light complementary system according to claim 1, which is characterized in that further include three-level
Boost circuit, the three-level Boost circuit include voltage Ua, Ub and Uc, resistance R303, R304 and R305, inductance La, Lb and
Lc, diode VD1, VD2, VD3, VD4, VD5 and VD6, triode V7, V8 and V9, capacitance C1；Ua is connected to by R303 and La
Between VD1 and V7, Ub is connected to by R304 and Lb between VD2 and V8, and Uc is connected to by R305 and Lc between VD3 and V9,
V7 parallel connections VD4, V8 parallel connection VD5, the V9 parallel connection VD6, described VD1 connections V7, VD2 connection V8, VD3 connection V9 respectively with C1 simultaneously
Connection.
4. a kind of energy accumulation device for fly wheel of wind-light complementary system according to claim 1, which is characterized in that further include synchronous letter
Number obtain circuit；The synchronous signal obtaining circuit includes three-phase synchronous transformer T2, resistance R29, R30, R21, R22, R23 and
R24, A are synchronised processing circuit, and B is synchronised processing circuit, and C is synchronised processing circuit；The T2 be separately connected R29, R30 and
R21, the R29 are separately connected A and are synchronised processing circuit and R22, and R30 is separately connected B and is synchronised processing circuit and R23, R21 points
Not Lian Jie C be synchronised processing circuit and R24, described R22, R23 connect ground wire with R24, and the A processing circuits that are synchronised include fortune
Calculate amplifier, resistance R25, capacitance C5, diode two；The operational amplifier pin 1 connects R25, R25 be separately connected C5 and
Between two diodes, one diode connects power supply+3.3V, another diode connects C5 and simulation ground.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551229A (en) * | 2018-04-03 | 2018-09-18 | 哈尔滨理工大学 | A kind of energy accumulation device for fly wheel and method of wind-light complementary system |
| CN110277942A (en) * | 2019-05-14 | 2019-09-24 | 哈尔滨理工大学 | Simplified three-level inverter drives control system for permanent-magnet synchronous motor |
| CN112217439A (en) * | 2019-07-10 | 2021-01-12 | 茂达电子股份有限公司 | Motor driving system and method with amplitude modulation mechanism |
| CN113665367A (en) * | 2021-10-21 | 2021-11-19 | 江苏德鲁特电气设备有限公司 | Auxiliary power supply device for electric automobile |
-
2018
- 2018-04-03 CN CN201820461251.3U patent/CN207994811U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551229A (en) * | 2018-04-03 | 2018-09-18 | 哈尔滨理工大学 | A kind of energy accumulation device for fly wheel and method of wind-light complementary system |
| CN110277942A (en) * | 2019-05-14 | 2019-09-24 | 哈尔滨理工大学 | Simplified three-level inverter drives control system for permanent-magnet synchronous motor |
| CN112217439A (en) * | 2019-07-10 | 2021-01-12 | 茂达电子股份有限公司 | Motor driving system and method with amplitude modulation mechanism |
| CN112217439B (en) * | 2019-07-10 | 2022-05-13 | 茂达电子股份有限公司 | Motor driving system and method with amplitude modulation mechanism |
| CN113665367A (en) * | 2021-10-21 | 2021-11-19 | 江苏德鲁特电气设备有限公司 | Auxiliary power supply device for electric automobile |
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