CN106958508B - A kind of highly integrated formula integration wind electricity change paddle controller - Google Patents
A kind of highly integrated formula integration wind electricity change paddle controller Download PDFInfo
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- CN106958508B CN106958508B CN201710389674.9A CN201710389674A CN106958508B CN 106958508 B CN106958508 B CN 106958508B CN 201710389674 A CN201710389674 A CN 201710389674A CN 106958508 B CN106958508 B CN 106958508B
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- 230000005611 electricity Effects 0.000 title claims abstract description 26
- 230000008859 change Effects 0.000 title claims abstract description 18
- 230000010354 integration Effects 0.000 title claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000002459 sustained effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 101150077194 CAP1 gene Proteins 0.000 description 1
- 101150014715 CAP2 gene Proteins 0.000 description 1
- 208000032365 Electromagnetic interference Diseases 0.000 description 1
- 101000836337 Homo sapiens Probable helicase senataxin Proteins 0.000 description 1
- 101100245221 Mus musculus Prss8 gene Proteins 0.000 description 1
- 101100260872 Mus musculus Tmprss4 gene Proteins 0.000 description 1
- 102100027178 Probable helicase senataxin Human genes 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Control Of Eletrric Generators (AREA)
- Rectifiers (AREA)
Abstract
A kind of highly integrated formula integration wind electricity change paddle controller, belongs to wind electricity change paddle control technology field.Including AC permanent magnet synchronous motor drive system, PLC system, Switching Power Supply, backup power supply charger.The present invention is compared to traditional pitch control device, advantage: 1) integrating the big electric-controlled parts of core four in traditional pitch control cabinet, cabinet connection wire road greatly reduces, and integrated level is high, high reliablity, and installation and debugging are convenient；2) full-digital control is used, control performance is reliable and stable；3) it is controlled using permanent magnet synchronous motor, power density is big, and starting torque is big, and the influence to operation of power networks is small, and system bulk is small, light-weight；4) motor speed is detected using rotary transformer, guarantees good motor control performance；5) using RS232 interface and CAN interface as communication and debugging interface.
Description
Technical field
The invention belongs to wind electricity change paddle control technology field, in particular to a kind of highly integrated formula integration wind electricity change paddle control
Device processed, suitable for the control to wind power pitch-controlled system permanent magnet synchronous motor.
Background technique
In the large capacity wind-driven generator power type pitch-controlled system of the low wind speed of current country 2MW or more, high-performance is medium
Power permanent magnetic synchronous motor obtains increasingly since its power density is high, degree of regulation is high, dynamic and high reliablity advantage
More applications.Currently, requirement of the power grade of pitch-controlled system while being continuously improved to reliability control system is also more next
It is higher.Traditional variable blade control system uses discrete framework, this framework placement-and-routing is complicated, complex production process；Cable patches
Part is easy to aging vulnerable to such environmental effects such as temperature humidity and electromagnetic interferences.Traditional variable blade control system uses asynchronous machine conduct
Executive component,
A kind of highly integrated formula integration wind electricity change paddle controller of compact framework of the present invention, controller is interior will
Full Featured integrated servo-driver is integrated, PLC system control system for permanent-magnet synchronous motor, Switching Power Supply, backup power supply are filled
Electric appliance is integrated into controller, reduces controller volume, is guaranteed system reliability to the greatest extent and is reduced the cost of system.It adopts
With PMSM Drive System, system power-density is increased, enhances system reliability.
Summary of the invention
The object of the present invention is to provide a kind of highly integrated formula integration variable propeller pitch controls.
The present invention specifically uses following technical scheme:
A kind of highly integrated formula integration wind electricity change paddle controller, including AC permanent magnet synchronous motor drive system U1, PLC
System U2, Switching Power Supply F1, backup power supply charger F2, it is characterised in that:
AC permanent magnet synchronous motor drive system U1 inputs A1 power supply by external three phase network, rotates transformation by motor
Device A4 obtains blade position signal, and gives read blade position signal to PLC system U2 by CAN communication circuit transmission；
AC permanent magnet synchronous motor drive system U1 controls permanent magnet synchronous motor A5 rotation；
PLC system U2 acquires external DI signal and control DO signal；
The input of Switching Power Supply F1 terminates on the DC bus of AC permanent magnet synchronous motor drive system U1, Switching Power Supply
F1 exports 24V control system power supply；
The input of backup power supply charger F2 terminates on the DC bus of AC permanent magnet synchronous motor drive system U1, control
Backup power supply A3 charging processed.
The present invention further comprises following preferred embodiment:
AC permanent magnet synchronous motor drive system U1 includes sequentially connected rectified current, pre-charge circuit, inverter circuit
And digital signal processor；
Three-phase AC grid input rectifying is DC bus by the rectification circuit, and DC bus accesses the defeated of inverter circuit
Enter, the three-phase output of inverter circuit is connected to permanent magnet synchronous motor A5, control permanent magnet synchronous motor A5 rotation；
The pre-charge circuit includes pre-charge resistance R1 and pre-charge-relay J1, and the pre-charge resistance R1 is connected to
Between rectification circuit and inverter circuit, the pre-charge-relay J1 is in parallel with pre-charge resistance R1, by digital signal processor
Control；
Digital signal processor P1 receive permanent magnet synchronous motor current detection signal, DC bus-bar voltage detection signal with
And by blade position signal acquired in rotary transformer A4, the digital signal processor P1 generates pwm signal, passes through optocoupler
Isolating amplifier circuit Dr1 drives inverter circuit.
The AC permanent magnet synchronous motor drive system U1 also passes through CAN communication and PLC system U2 interaction data.
The backup power supply charger, circuit input end connect female in AC permanent magnet synchronous motor drive system U1 direct current
Line, output termination backup power supply A3.
The backup power supply charger include first switch tube S10, second switch S20, the first sustained diode 10,
Second sustained diode 20, inductance L0, the first switch tube S10, that second switch S20 is connected in series in AC permanent-magnet is same
Between the DC bus positive and negative anodes for walking motor driven systems U1；First sustained diode 10, the second sustained diode 20
It is connected in reverse parallel in first switch tube S10, the both ends second switch S20, first sustained diode 10, the second afterflow respectively
The junction of diode D20 is connected to one end of backup power supply by inductance L0, another termination DC bus of backup power supply
Cathode.
The backup power supply charger further includes inductive current measure loop Sen0, and digital signal processor receives the inductance
Current signal controls the charging current of backup power supply A3 by adjusting the duty ratio of first switch tube S10.
When network voltage power loss, the backup power supply charger operation is in battery discharge mode, to remain one higher
DC bus-bar voltage, balance back-emf of the permanent magnet synchronous motor in high revolving speed, pitch-controlled system made to complete feathering as early as possible.
By adjusting the duty ratio of second switch S20, the discharge current of backup power supply A3 is controlled.
The Switching Power Supply F1 input terminates on the DC bus of integrated pitch control device；Switching Power Supply uses
The lifting of middle dc voltage is realized in the two-stage type circuit structure of Boost and double-end normal shock, prime input using Boost circuit；
Stable control system power supply output is realized by high-frequency impulse isolating transformer T1.
The PLC system U2 by Switching Power Supply F1 control system power supply power supply；In PLC system, the acquisition of ARM control core
DI signal controls DO signal, by CAN communication and PMSM Drive System U1 interaction data, realizes that pitch-controlled system is patrolled
Collect control and protection function.Advantages of the present invention: 1) by the discrete big electric-controlled parts of core four in traditional pitch control cabinet
It integrates, internal connection line road greatly reduces, and integrated level is high, high reliablity；2) full-digital control, control performance are used
It is reliable and stable；3) it is controlled using permanent magnet synchronous motor, power density is big, and starting torque is big, and the influence to operation of power networks is small, system
It is small in size, it is light-weight；4) motor speed is detected using rotary transformer, guarantees good motor control performance；5) RS232 is used
Interface and CAN interface are as communication and debugging interface.
Figure of description
Fig. 1 is traditional pitch-controlled system principle total figure；
Fig. 2 is integrated pitch-controlled system principle total figure proposed by the present invention；
Fig. 3 is PMSM Drive System circuit diagram of the invention；
Fig. 4 is backup power supply charger circuit diagram of the invention；
Fig. 5 is switching power circuit schematic diagram of the invention；
Fig. 6 is PLC system structural schematic diagram of the invention.
Specific embodiment
Below by attached drawing, the present invention is described in further detail.
It is as shown in Figure 1 traditional pitch-controlled system principle total figure, including ACasynchronous motor drive system U10, switch electricity
The four big discrete components such as source F10, backup power supply charger F20, PLC system U20.External three phase network input A10 accesses standby
Mains charger F20, backup power supply charger F20 output access backup power supply A30, it is straight that backup power supply A30 connects system simultaneously
Flow bus.DC bus accesses the input of Switching Power Supply F10, and the output of Switching Power Supply F10 connects.In traditional variable pitch shown in Fig. 1
In system, system dc bus is not enclosed in cabinet, with ACasynchronous motor drive system U10, Switching Power Supply F10, after
There is coupling in stand-by power source charger F20 and backup power supply A30, connection line is more.
ACasynchronous motor drive system U10 controls asynchronous machine A50 rotation；ACasynchronous motor drive system U10 is read
It takes photoelectric encoder A40 to obtain blade position signal, gives PLC system U20 by CAN communication circuit transmission.PLC system U20 is adopted
Collect external DI signal A20 and control DO signal A60；
Communication interface of the CAN interface C10 as PLC system U20, RS232 interface C20 is as ACasynchronous motor drive system
The debugging interface of system U10.
It is illustrated in figure 2 highly integrated formula integration pitch control device system principle total figure proposed by the present invention.Exchange is forever
Magnetic-synchro motor driven systems U1 inputs A1 power supply by external three phase network, reads motor rotary transformer A4 and obtains blade position
Confidence number gives PLC system U2 by CAN communication circuit transmission；
AC permanent magnet synchronous motor drive system U1 controls permanent magnet synchronous motor motor A5 rotation；
PLC system U2 acquires external DI signal A2 and control DO signal A6；
The input of Switching Power Supply F1 terminates on the DC bus of AC permanent magnet synchronous motor drive system U1, Switching Power Supply
F1 exports 24V control system power supply；
The input of backup power supply charger F2 terminates on the DC bus of AC permanent magnet synchronous motor drive system U1, control
Backup power supply A3 charging processed；
The communication and debugging interface of CAN interface C1 and RS232 interface C2 respectively as integrated pitch control device.
It is illustrated in figure 3 AC permanent magnet synchronous motor driving system circuit schematic diagram.Rectification circuit is by three-phase AC grid
Input A1 is rectified into DC bus.DC bus accesses the input of inverter circuit INV, and the three-phase output of inverter circuit INV is connected to
Permanent magnet synchronous motor A5, control permanent magnet synchronous motor rotate A5.Pre-charge resistance R1 and pre-charge-relay J1 constitutes precharge
Circuit, pre-charge-relay J1 are controlled by digital signal processor P1.Cap1, Cap2 are DC bus Support Capacitor, and R2, R3 are
The equalizing resistance of DC bus Support Capacitor, R4 are DC bus bleeder resistance.R5, Sen1 constitute DC bus-bar voltage detection electricity
Digital signal processor P1 is sent into road, DC bus-bar voltage detection.Sen2, Sen3 constitute motor current detecting circuit, motor electricity
Stream detection signal is sent into digital signal processor P1.Digital signal processor P1 generates pwm signal, amplifies electricity by light-coupled isolation
Road Dr1 drives inverter circuit INV.
It is illustrated in figure 4 backup power supply charger circuit diagram.The backup power supply charger includes first switch tube
S10, second switch S20, the first sustained diode 10, the second sustained diode 20, inductance L0, the first switch tube
S10, second switch S20 are connected in series between the DC bus positive and negative anodes of AC permanent magnet synchronous motor drive system U1；Institute
State the first sustained diode 10, the second sustained diode 20 is connected in reverse parallel in first switch tube S10, second switch respectively
The both ends S20, first sustained diode 10, the second sustained diode 20 junction by inductance L0 be connected to standby electricity
The one end in source, the cathode of another termination DC bus of backup power supply.
In Fig. 4, charger circuit input terminates at DC bus, output termination backup power supply A3.Switching tube S10, afterflow
Diode D20, inductance L0 constitute charging Buck circuit, and Sen0 constitutes inductive current measure loop, by adjusting switching tube S10's
Duty ratio controls the charging current of backup power supply A3.Generally in pitch-controlled system, due to cost, the standby electricity of configuration
Source voltage is lower than the rectified voltage of AC three-phase power grid.For example the DC voltage of three-phase alternating current rectification is 540V or so, configuration
Backup power supply voltage is 400V.In extreme circumstances, for example network voltage power loss, circuit as shown in Figure 4 can also work
Battery discharge mode can be with the shadow of back-emf of the balance motor in high revolving speed to maintain a higher DC bus-bar voltage
It rings, avoids motor speed caused by falling because of DC bus-bar voltage from falling problem, pitch-controlled system is made to complete feathering as early as possible.In Fig. 4,
Backup power supply A3, switching tube S20, sustained diode 10, inductance L0 constitute electric discharge Boost circuit, by adjusting switching tube S20
Duty ratio, control backup power supply A3 discharge current.
It is illustrated in figure 5 switching power circuit schematic diagram, Switching Power Supply input terminates at the straight of integrated pitch control device
It flows on bus.To realize wide range input, which uses the two-stage type circuit knot of Boost and double-end normal shock
Structure.The lifting of middle dc voltage Cap20 voltage is realized in prime input using Boost circuit.Prime Boost exports stable straight
Galvanic electricity presses Cap20 voltage, as the input voltage of rear class double tube positive exciting circuit, is realized by high-frequency impulse isolating transformer T1 steady
Fixed control system power supply output.Cap20 is intermediate DC link capacitor, and Cap30 is output filter capacitor.L1 is prime
Boost inductance, S1 are prime Boost circuit switching tube, and D1 is prime Boost circuit freewheeling diode.S2, S3 are rear class both-end
Normal shock switching tube, D2, D3 are rear class double-end normal shock circuit freewheeling diode.D4 is output rectifier diode, and D5 is to export anti-wave
Gush protection diode.
It is illustrated in figure 6 PLC system structural schematic diagram.PLC system by Switching Power Supply F1 control system power supply power supply.
In PLC system, ARM control core P3 acquires DI signal A2, controls DO signal A6, is driven by CAN communication and permanent magnet synchronous motor
Dynamic system U1 interaction data, realizes pitch-controlled system logic control and defencive function.
Claims (10)
1. a kind of highly integrated formula integration wind electricity change paddle controller, including AC permanent magnet synchronous motor drive system (U1), PLC
System (U2), Switching Power Supply (F1), backup power supply charger (F2), it is characterised in that:
AC permanent magnet synchronous motor drive system (U1) include sequentially connected rectification circuit, pre-charge circuit, inverter circuit with
And three-phase AC grid input rectifying is DC bus by digital signal processor (P1), rectification circuit, DC bus access is inverse
Power transformation road, the output of inverter circuit are connected to permanent magnet synchronous motor (A5), and the digital signal processor (P1) generates PWM letter
Number, inverter circuit is driven by light-coupled isolation amplifying circuit；
Blade position signal is obtained by motor rotary transformer (A4), and read blade position signal is led to by CAN
Letter circuit transmission gives PLC system (U2)；
AC permanent magnet synchronous motor drive system (U1) controls permanent magnet synchronous motor (A5) rotation；
PLC system (U2) acquires external DI signal and control DO signal；
The input of Switching Power Supply (F1) terminates on the DC bus of AC permanent magnet synchronous motor drive system (U1), Switching Power Supply
(F1) 24V control system power supply is exported；
The input of backup power supply charger (F2) terminates on the DC bus of AC permanent magnet synchronous motor drive system (U1), control
Backup power supply (A3) charging processed.
2. highly integrated formula integration wind electricity change paddle controller according to claim 1, it is characterised in that:
The pre-charge circuit includes pre-charge resistance (R1) and pre-charge-relay (J1), pre-charge resistance (R1) connection
Between rectification circuit and inverter circuit, the pre-charge-relay (J1) is in parallel with pre-charge resistance (R1), by digital signal
Processor control；
Digital signal processor (P1) receive permanent magnet synchronous motor current detection signal, DC bus-bar voltage detection signal and
By blade position signal acquired in rotary transformer, the digital signal processor (P1) generates pwm signal, by optocoupler every
Inverter circuit is driven from amplifying circuit.
3. highly integrated formula integration wind electricity change paddle controller according to claim 2, it is characterised in that:
The AC permanent magnet synchronous motor drive system (U1) also passes through CAN communication and PLC system (U2) interaction data.
4. highly integrated formula integration wind electricity change paddle controller according to claim 1, it is characterised in that:
The backup power supply charger, circuit input end connect in AC permanent magnet synchronous motor drive system (U1) DC bus,
Output termination backup power supply (A3).
5. highly integrated formula integration wind electricity change paddle controller according to claim 4, it is characterised in that:
The backup power supply charger includes first switch tube (S10), second switch (S20), the first freewheeling diode
(D10), the second freewheeling diode (D20), inductance (L0), the first switch tube (S10), second switch (S20) series connection connect
It connects between the DC bus positive and negative anodes of AC permanent magnet synchronous motor drive system (U1)；First freewheeling diode (D10),
Second freewheeling diode (D20) is connected in reverse parallel in first switch tube (S10), the both ends second switch (S20) respectively, and described first
Switching tube (S10), second switch (S20) junction one end of backup power supply, backup power supply are connected to by inductance (L0)
Another termination DC bus cathode.
6. highly integrated formula integration wind electricity change paddle controller according to claim 5, it is characterised in that:
The backup power supply charger further includes inductive current measure loop (Sen0), and digital signal processor receives inductance electricity
Flow signal.
7. highly integrated formula integration wind electricity change paddle controller according to claim 6, it is characterised in that:
By adjusting the duty ratio of first switch tube (S10), the charging current of backup power supply (A3) is controlled.
8. highly integrated formula integration wind electricity change paddle controller according to claim 6 or 7, it is characterised in that:
When network voltage power loss, the backup power supply charger operation in battery discharge mode, with maintain one it is higher straight
Busbar voltage is flowed, back-emf of the permanent magnet synchronous motor in high revolving speed is balanced, pitch-controlled system is made to complete feathering as early as possible；
By adjusting the duty ratio of second switch (S20), the discharge current of backup power supply (A3) is controlled.
9. highly integrated formula integration wind electricity change paddle controller according to claim 1, it is characterised in that:
Switching Power Supply (F1) input terminates on the DC bus of integrated pitch control device；Switching Power Supply uses Boost
With the two-stage type circuit structure of double-end normal shock, the lifting of middle dc voltage is realized in prime input using Boost circuit；Pass through height
Frequency pulse isolation transformer (T1) realizes stable control system power supply output.
10. highly integrated formula integration wind electricity change paddle controller according to claim 1, it is characterised in that:
The PLC system (U2) by Switching Power Supply (F1) control system power supply power supply；In PLC system (U2), ARM control core
DI signal is acquired, DO signal is controlled, by CAN communication and PMSM Drive System (U1) interaction data, realizes variable pitch
Analyzing logic control and defencive function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389674.9A CN106958508B (en) | 2017-05-27 | 2017-05-27 | A kind of highly integrated formula integration wind electricity change paddle controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710389674.9A CN106958508B (en) | 2017-05-27 | 2017-05-27 | A kind of highly integrated formula integration wind electricity change paddle controller |
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| Publication Number | Publication Date |
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| CN106958508A CN106958508A (en) | 2017-07-18 |
| CN106958508B true CN106958508B (en) | 2019-06-11 |
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| CN201710389674.9A Active CN106958508B (en) | 2017-05-27 | 2017-05-27 | A kind of highly integrated formula integration wind electricity change paddle controller |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109707564B (en) * | 2018-12-29 | 2020-12-01 | 固安华电天仁控制设备有限公司 | Driving motor all-in-one machine for wind power generation variable pitch system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892952A (en) * | 2010-06-26 | 2010-11-24 | 董海鹰 | Fully digital electric variable pitch driver |
| CN102011693A (en) * | 2010-12-10 | 2011-04-13 | 苏州能健电气有限公司 | Wind power paddle changing control system |
| CN106050562A (en) * | 2016-07-21 | 2016-10-26 | 江阴弘远新能源科技有限公司 | Wind power generation pitch-regulating control system |
| CN106321353A (en) * | 2016-11-16 | 2017-01-11 | 深圳市禾望电气股份有限公司 | Wind driven generator variable-pitch driver, control method and wind driven generator system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9018783B2 (en) * | 2013-05-21 | 2015-04-28 | General Electric Company | Doubly-fed induction generator wind turbine system having solid-state stator switch |
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2017
- 2017-05-27 CN CN201710389674.9A patent/CN106958508B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892952A (en) * | 2010-06-26 | 2010-11-24 | 董海鹰 | Fully digital electric variable pitch driver |
| CN102011693A (en) * | 2010-12-10 | 2011-04-13 | 苏州能健电气有限公司 | Wind power paddle changing control system |
| CN106050562A (en) * | 2016-07-21 | 2016-10-26 | 江阴弘远新能源科技有限公司 | Wind power generation pitch-regulating control system |
| CN106321353A (en) * | 2016-11-16 | 2017-01-11 | 深圳市禾望电气股份有限公司 | Wind driven generator variable-pitch driver, control method and wind driven generator system |
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| CN106958508A (en) | 2017-07-18 |
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