CN105490380A - Power supply device in wind power generation variable pitch system - Google Patents
Power supply device in wind power generation variable pitch system Download PDFInfo
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- CN105490380A CN105490380A CN201511001132.7A CN201511001132A CN105490380A CN 105490380 A CN105490380 A CN 105490380A CN 201511001132 A CN201511001132 A CN 201511001132A CN 105490380 A CN105490380 A CN 105490380A
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- 238000010248 power generation Methods 0.000 title abstract description 3
- 238000009434 installation Methods 0.000 claims description 46
- 238000004891 communication Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- 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
- H02J11/00—Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed or converted
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- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a power supply device in a wind power generation variable pitch system, which comprises: the power supply module of the power loop and the power supply module of the control loop; the power loop power supply module is respectively connected with a slip ring inlet wire of the wind turbine generator and a variable pitch motor of a variable pitch system, the control loop power supply module is connected with the slip ring inlet wire and the variable pitch control system of the wind turbine generator, and the variable pitch control system is also connected with the variable pitch motor; the power loop power supply module transmits the electric energy of the slip ring inlet wire to the variable pitch motor in an inductive coupling mode, and/or the control loop power supply module transmits the electric energy of the slip ring inlet wire to the variable pitch control system in a near-field resonance mode. The invention realizes the electrical separation between the power supply loop and the control power supply loop in the pitch system of the wind driven generator without mutual interference and saves cables in the loops.
Description
Technical field
The present invention relates to technical field of wind power, the electric supply installation particularly in a kind of wind turbine pitch system.
Background technology
Wind turbine pitch system is the critical component that wind-driven generator realizes Wind energy extraction, is the actuator that wind-driven generator realizes that power controls and rotating speed controls, and is the last guarantee realizing wind-driven generator emergency shutdown, disorderly closedown, safe shutdown.Pitch-controlled system bears capturing wind energy, realize that wind power generation acc power controls, rotating speed controls, the vital task of safe shutdown.The design of pitch-controlled system is directly connected to wind-driven generator and normally runs.
Current pitch-controlled system in fact and uncomplicated; but; often because too much cable adds the failsafe link of pitch-controlled system; in maintenance, inconvenience is brought to Wind turbines; especially the power loop of pitch-controlled system and control loop not electrical separation truly, thus need many extra protective device Protection control systems.
Summary of the invention
Embodiments of the invention provide the electric supply installation in a kind of wind turbine pitch system, can realize the power current supply circuit in pitch system of wind driven generator and control to realize electrical separation, non-interference between current supply circuit, saving cable in loop simultaneously.
For achieving the above object, The embodiment provides the electric supply installation in a kind of wind turbine pitch system, comprising: power loop supply module and control loop supply module; Described power loop supply module is connected with the slip ring inlet wire of Wind turbines and the pitch motor of pitch-controlled system respectively, described control loop supply module is connected with the variable blade control system of described slip ring inlet wire and described Wind turbines, and described variable blade control system is also connected with described pitch motor; Described power loop supply module adopt inductively mode by the delivery of electrical energy of described slip ring inlet wire to described pitch motor, and/or described control loop supply module adopts near field resonance manner by the delivery of electrical energy of described slip ring inlet wire to described variable blade control system.
Electric supply installation as above, described power loop supply module comprises: energy launching circuit and energy acceptance loop; Described energy launching circuit is connected with described slip ring inlet wire, and described energy acceptance loop is connected with described pitch motor; Inductively mode electric energy transmitting is adopted between described energy launching circuit and described energy acceptance loop.
Electric supply installation as above, described energy launching circuit comprises: the rectification unit connected successively, filter unit, inversion unit, compensating unit and energy emitting element; Described rectification unit is connected with described slip ring inlet wire; Be provided with in described energy emitting element for former limit winding inductively.
Electric supply installation as above, described energy acceptance loop comprises: the energy acceptance unit, compensating unit and the rectification unit that connect successively; Described rectification unit is connected with described pitch motor; The vice-side winding with described former limit winding mating reaction is provided with in described energy acceptance unit.
Electric supply installation as above, described control loop supply module comprises: the rectification unit connected successively, filter unit, inversion unit, primary coil and secondary coil; Described rectification unit is connected with described slip ring inlet wire; Described secondary coil is connected with described variable blade control system; Near field resonance manner electric energy transmitting is adopted between described primary coil and described secondary coil.
Electric supply installation as above, described control loop supply module also comprises: be connected to the resonant element between described primary coil and described secondary coil.
Electric supply installation as above, described control loop supply module also comprise be connected with described resonant element another described in secondary coil, secondary coil described in another is connected with the temperature and humidity control system in described pitch-controlled system.
Electric supply installation as above, described electric supply installation also comprises: be connected with described resonant element another described in secondary coil and safeguarding and test electrical interface, described maintenance is connected with secondary coil described in another with electrical interface with test.
Electric supply installation as above, described electric supply installation also comprises: wireless communication module; Described wireless communication module is connected with described variable blade control system, described temperature and humidity control system and described pitch motor respectively, for providing described variable blade control system, carrying out radio communication between described temperature and humidity control system and described pitch motor.
Electric supply installation as above, described electric supply installation also comprises: microwave self-powered module, and described microwave self-powered module comprises: the DC power supply connected successively, microwave power generator and RECTIFYING ANTENNA; Described RECTIFYING ANTENNA is connected with the energy storage device of providing for oneself of described pitch motor, for providing standby electricity to described pitch motor.
Electric supply installation in the wind turbine pitch system that the embodiment of the present invention provides, comprise: power loop supply module and control loop supply module, by design motivation loop power supply module adopt inductively mode by the delivery of electrical energy of slip ring inlet wire to pitch motor, and/or, control loop supply module adopts near field resonance manner by the delivery of electrical energy of slip ring inlet wire to variable blade control system, thus the signal disturbing avoided between the power loop of complicated cable entanglement connection introducing and control loop, achieve two loop spatially electrical isolation, simultaneously owing to have employed inductively and the wireless transmission electric energy of near field resonance, save part cable.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the electric supply installation embodiment in wind turbine pitch system provided by the invention;
Fig. 2 is the structured flowchart of another embodiment of electric supply installation in wind turbine pitch system provided by the invention;
Fig. 3 is the structural representation of the structured flowchart of power loop supply module provided by the invention;
Fig. 4 is the structured flowchart of control loop supply module provided by the invention;
Fig. 5 is the structured flowchart of another embodiment of electric supply installation in wind turbine pitch system provided by the invention;
Fig. 6 is the structured flowchart of microwave self-powered module provided by the invention;
Fig. 7 is the structured flowchart of another embodiment of electric supply installation in wind turbine pitch system provided by the invention.
Drawing reference numeral illustrates: 1-power loop supply module, 11-energy launching circuit, 12-energy acceptance loop, 111-rectification unit, 112-filter unit, 113-inversion unit, 114-compensating unit, 115-energy emitting element, 121-energy acceptance unit, 122-compensating unit, 123-rectification unit, 2-control loop supply module, 21-rectification unit, 22-filter unit, 23-inversion unit, 24-primary coil, 25-resonant element, 26-secondary coil, 3-slip ring inlet wire, 4-pitch motor, 5-variable blade control system, 6-temperature and humidity control system, 7-safeguards and test electrical interface, 8-wireless communication module, 9-microwave self-powered module, 91-DC power supply, 92-microwave power generator, 93-RECTIFYING ANTENNA.
Embodiment
The inventive concept of this programme is, by adopting inductively mode to the power loop be connected between slip ring inlet wire and pitch motor, and/or, adopt near field resonance manner that above-mentioned two current supply circuits are carried out electrical isolation to the control loop be connected between slip ring inlet wire and variable blade control system, utilize inductively and near field resonance manner electric energy transmitting simultaneously, reduce the complexity that cable connects.
Embodiment one
Fig. 1 is the structured flowchart of the electric supply installation embodiment in wind turbine pitch system provided by the invention.As shown in Figure 1, its structure comprises: power loop supply module 1 and control loop supply module 2.Wherein, power loop supply module 1 is connected with the slip ring inlet wire 3 of Wind turbines and the pitch motor 4 of pitch-controlled system respectively, control loop supply module 2 is connected with the variable blade control system 5 of slip ring inlet wire 3 and Wind turbines, and variable blade control system 5 is also connected with pitch motor 4; Power loop supply module 1 adopts inductively that mode is by the delivery of electrical energy of slip ring inlet wire 3 to pitch motor 4, and/or control loop supply module 2 adopts near field resonance manner by the delivery of electrical energy of slip ring inlet wire 3 to variable blade control system 5.
Under the framework of current pitch-controlled system, volume and the complexity of pitch-controlled system increase rapidly, and particularly the complexity of cable has increase, and the signal disturbing between circuit is serious.Pitch-controlled system needs the higher quality of power supply, and at present solution be in pitch-controlled system slip ring point of incoming cables, the filter that increases volume larger solves this problem, this adds volume and the complexity of pitch-controlled system undoubtedly.Meanwhile, the power loop of pitch-controlled system and control loop not electrical separation truly.
For prior art Problems existing, the invention provides the electric supply installation in wind turbine pitch system as shown in Figure 1, with a kind of without cable, the electric supply installation proposing a Novel pitch system without cable, modular mode.This electric supply installation gets electric energy from pitch-controlled system slip ring inlet wire 3 equally, but unlike the prior art, in the present embodiment, have employed in power loop supply module 1 between connection slip ring inlet wire 3 and pitch motor 4 inductively mode by the delivery of electrical energy of slip ring inlet wire 3 to pitch motor 4, and/or, adopt near field resonance manner in the control loop supply module 2 between connection slip ring inlet wire 3 and variable blade control system 5 by the delivery of electrical energy of slip ring inlet wire 3 to variable blade control system 5.Ensure, when absorbing electric energy to the pitch motor 4 of pitch-controlled system and variable blade control system 5 from slip ring inlet wire 3, to have at least a current supply circuit to be the mode electric energy transmitting not adopting slip ring, thus save the connection cable of this part with this.Meanwhile, because at least one current supply circuit in power loop and control loop have employed inductively or the mode of the wireless power transmission of near field resonance, so must produce as complicated due to cable winding each other in prior art and electric signal interference that is that cause, enhance the quality of power supply on respective current supply circuit.
Electric supply installation in wind turbine pitch system provided by the invention, participates in delivery of electrical energy without the need to slip ring, both can reduce the complexity that cable connects, and can realize again the electrical Interference between power loop and control loop, improves power quality.
Embodiment two
On the basis of above-described embodiment, Fig. 2 is the structured flowchart of another embodiment of electric supply installation in wind turbine pitch system provided by the invention.Particularly, the present embodiment will be described in detail to power loop supply module 1.
As shown in Figure 2, above-mentioned power loop supply module 1 comprises: energy launching circuit 11 and energy acceptance loop 12; Wherein, energy launching circuit 11 is connected with slip ring inlet wire 3, for absorbing electric energy from slip ring inlet wire 3, and transfers to energy acceptance loop 12; Energy acceptance loop 12 is connected with pitch motor 4, for the electric energy supply pitch motor 4 will received from energy launching circuit 11.Particularly, the winding adopted inductively needed for mode electric energy transmitting can be set between energy launching circuit 11 and energy acceptance loop 12, and some element circuits that the quality of power supply is rationally improved and optimized.
Such as, shown in Fig. 3, it is the concrete structure block diagram in the energy launching circuit 11 shown in the present embodiment and energy acceptance loop 12.Wherein:
Energy launching circuit 11 comprises: the rectification unit 111 connected successively, filter unit 112, inversion unit 113, compensating unit 114 and energy emitting element 115.Rectification unit 111 is connected with slip ring inlet wire 3, for the AC energy of slip ring inlet wire 3 is carried out rectification process, obtain direct current energy, this rectification unit 111 can be composed in parallel by rectifier diode, Support Capacitor, simultaneously can also set up charging circuit and discharge circuit carries out discharge and recharge to Support Capacitor; Filter unit 112 is made up of filter, carries out filtering process, obtain more pure direct current energy for the direct current energy exported rectification unit 111; Can inverter be comprised in inversion unit 113, carry out inversion process for the direct current energy after processing filter unit 112, generate AC energy; Compensating unit 114 can be made up of DC power supply and resonant circuit, electric capacity, alternating current for exporting inversion unit 113 carries out the compensation deals of frequency, amplitude, to be more adapted to the demand that energy emitting element 115 and energy acceptance unit 121 inductively produce the maximum power transfer of coupled magnetic field; Be provided with in energy emitting element 115 for former limit winding inductively.Energy launching circuit 11 absorbs electric energy from slip ring inlet wire 3 and is delivered to energy emitting element 115 after carrying out rectification, filtering, inversion and compensation deals successively, thus utilizes the former limit winding in energy emitting element 115 and the vice-side winding in energy acceptance unit 121 to carry out magnetic Field Coupling to carry out electric energy transmitting.
Energy acceptance loop 12 comprises: the energy acceptance unit 121 connected successively, compensating unit 122 and rectification unit 123.Be provided with the vice-side winding with above-mentioned former limit winding mating reaction in energy acceptance unit 121, this vice-side winding receives electric energy by carrying out magnetic Field Coupling with the former limit winding in energy emitting element 115; Compensating unit 122 is similar to the functional structure of compensating unit 114, for energy acceptance unit 121 receive electric energy time, the loss of electric energy compensates, more to meet the power demands of pitch motor 4; Rectification unit 123 is connected with pitch motor 4; It is similar to the functional structure of rectification unit 111, and the AC energy for being exported by compensating unit 122 is carried out rectification process and obtained direct current, is supplied to pitch motor 4.Energy acceptance loop 12 by energy acceptance unit 121 from energy emitting element 115 induction obtain electric energy, and compensate successively with rectification process after provide this electric energy to pitch motor 4.
In the present embodiment, power loop supply module is described in detail, has comprised launching circuit and energy acceptance loop.By the transmission carrying out electric energy without cable Energy Transfer mode inductively between energy launching circuit and energy acceptance loop.
Embodiment three
On the basis of above-described embodiment, as shown in Figure 4, the detailed construction explanation of the control loop supply module 2 provided for this programme.
As shown in Figure 4, above-mentioned control loop supply module 2 comprises: the rectification unit 21 connected successively, filter unit 22, inversion unit 23, primary coil 24 and secondary coil 26.Wherein, rectification unit 21 is identical with aforementioned rectification unit 111 functional structure, filter unit 22 is identical with aforementioned filter unit 112 functional structure, in specific implementation scene, can be as shown in Figure 7, rectification unit 21, filter unit 22 are saved, directly obtains required electric energy from the output of the filter unit 112 energy launching circuit 11.Fig. 7 is the structured flowchart of all functions module that the electric supply installation in wind turbine pitch system provided by the invention comprises.Can inverter be comprised in inversion unit 23, carry out inversion process for the direct current energy after processing filter unit 22, generate AC energy; Here emphasize, inversion unit 23 is close with the function of aforementioned inverter 113, but the ac frequency produced after concrete inversion and amplitude all different, it mainly adopts resonance manner to carry out the demand of delivery of electrical energy to be applicable to control loop supply module 2.Primary coil 24 and secondary coil 26 have built the coupled field of resonance coil jointly, namely utilize coupled resonance realize electric energy without cable transmission.Wherein, rectification unit 21 is connected with slip ring inlet wire 3; Secondary coil 26 is connected with variable blade control system 5; Control loop supply module 2 by the electric energy that absorbs from slip ring inlet wire successively after rectification, filtering, inversion process by the near field resonance between primary coil 24 and secondary coil 26 by power delivery to variable blade control system 5.
Further, in the diagram, control loop supply module 2 also can comprise: be connected to the resonant element 25 between primary coil 24 and secondary coil 26.This resonant element 25 can be near field resonator, for improving the resonant energy between primary coil 24 and secondary coil 26.
Optionally, in above-mentioned control loop supply module 2, multiple secondary coil 26 can be comprised, pass through list to many coil numbers than the transmission realizing radio energy with primary coil 24.Each secondary coil 26, except can being connected with variable blade control system 5 and powering, can also be connected as the temperature and humidity control system 6 in pitch-controlled system with the other control system in pitch-controlled system, think that it is powered.The present embodiment does not enumerate other control system.
Be worth mentioning, as shown in Figure 4, in above-mentioned electric supply installation shown in the present embodiment, maintenance and test electrical interface 7 are set up, this maintenance is connected with test electrical interface 7 also secondary coil 26 above-mentioned with, for carrying out testing to functional module each in the electric supply installation in wind turbine pitch system and safeguarding.Such as, monitor the running status of whole electric supply installation by this maintenance and test electrical interface 7, and carry out fault alarm when occurring abnormal.
In the present embodiment, control loop supply module is described in detail, the transmission carrying out electric energy without cable Energy Transfer mode be coupled by utilizing the near field resonance between primary coil with secondary coil.
Embodiment three
As shown in Figure 5, the structured flowchart of another embodiment of electric supply installation in the wind turbine pitch system provided for this programme.As shown in Figure 5, on the basis of above-described embodiment, wireless communication module 8 and microwave self-powered module 9 in the electric supply installation in the present embodiment, are newly established.
Wireless communication module 8 is connected with variable blade control system 5, temperature and humidity control system 6 and pitch motor 4 respectively, for providing variable blade control system 5, carrying out radio communication between temperature and humidity control system 6 and pitch motor 4.Such as, this wireless communication module 8 adopts the communication of any one form existing, as bluetooth, infrared, the mode such as optical fiber, WIFI, and the communication protocol that union becomes to define needed for above-mentioned functions intermodule radio communication, data transmission format etc.Adapt, variable blade control system 5, temperature and humidity control system 6 and pitch motor 4 also can set up communication module, for carrying out data interaction with wireless communication module.
Microwave self-powered module 9, as the stand-by electric energy equipment of pitch motor, as shown in Figure 6, mainly comprises: the DC power supply 91 connected successively, microwave power generator 92 and RECTIFYING ANTENNA 93; RECTIFYING ANTENNA 93 is connected with the energy storage device of providing for oneself of pitch motor 4, for providing standby electricity to pitch motor 4.Wherein, DC power supply 91 can be arranged on bottom the tower cylinder of Wind turbines, can by exchange energy storage device as capacitance group carry out rectification after the direct current energy that formed.After the electric energy that DC power supply provides changes into microwave by microwave power generator 92, the mode transmitted through microwave wireless as shown in Figure 7 is sent to RECTIFYING ANTENNA 93, RECTIFYING ANTENNA 93 is transferred to providing for oneself in energy storage device of pitch motor after getting this electric energy, thus completes standby electric energy storage.
In the present embodiment, the structure of wireless communication module 8 and microwave self-powered module 9 and purposes are described in detail.By at variable blade control system, build wireless communication module between temperature and humidity control system and pitch motor and carry out wireless data transmission, save respective cable further, simplify the complexity of variable blade control system, avoid the electrical Interference produced between this part original cable.Meanwhile, the object of powering without cable utilizing microwave self-powered module to play too, saves the cost using cable.
Above-mentioned can at hardware according to method of the present invention, realize in firmware, or be implemented as and can be stored in recording medium (such as CDROM, RAM, floppy disk, hard disk or magneto optical disk) in software or computer code, or be implemented and will be stored in the computer code in local recording medium by the original storage of web download in remote logging medium or nonvolatile machine readable media, thus method described here can be stored in use all-purpose computer, such software process on the recording medium of application specific processor or able to programme or specialized hardware (such as ASIC or FPGA).Be appreciated that, computer, processor, microprocessor controller or programmable hardware comprise and can store or receive the memory module of software or computer code (such as, RAM, ROM, flash memory etc.), when described software or computer code by computer, processor or hardware access and perform time, realize processing method described here.In addition, when the code for realizing the process shown in this accessed by all-purpose computer, all-purpose computer is converted to the special-purpose computer for performing the process shown in this by the execution of code.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (10)
1. the electric supply installation in wind turbine pitch system, is characterized in that, comprising: power loop supply module (1) and control loop supply module (2);
Described power loop supply module (1) is connected with the slip ring inlet wire (3) of Wind turbines and the pitch motor (4) of pitch-controlled system respectively, described control loop supply module (2) is connected with the variable blade control system (5) of described slip ring inlet wire (3) and described Wind turbines, and described variable blade control system (5) is also connected with described pitch motor (4);
Described power loop supply module (1) adopt inductively mode by the delivery of electrical energy of described slip ring inlet wire (3) to described pitch motor (4), and/or described control loop supply module (2) adopts near field resonance manner by the delivery of electrical energy of described slip ring inlet wire (3) to described variable blade control system (5).
2. electric supply installation according to claim 1, is characterized in that, described power loop supply module (1) comprising: energy launching circuit (11) and energy acceptance loop (12);
Described energy launching circuit (11) is connected with described slip ring inlet wire (3), and described energy acceptance loop (12) is connected with described pitch motor (4); Inductively mode electric energy transmitting is adopted between described energy launching circuit (11) and described energy acceptance loop (12).
3. electric supply installation according to claim 2, it is characterized in that, described energy launching circuit (11) comprising: the rectification unit (111) connected successively, filter unit (112), inversion unit (113), compensating unit (114) and energy emitting element (115); Described rectification unit (111) is connected with described slip ring inlet wire (3); Be provided with in described energy emitting element (115) for former limit winding inductively.
4. electric supply installation according to claim 3, it is characterized in that, described energy acceptance loop (12) comprising: the energy acceptance unit (121) connected successively, compensating unit (122) and rectification unit (123); Described rectification unit (123) is connected with described pitch motor (4); The vice-side winding with described former limit winding mating reaction is provided with in described energy acceptance unit (121).
5. electric supply installation according to claim 1, it is characterized in that, described control loop supply module (2) comprising: the rectification unit (21) connected successively, filter unit (22), inversion unit (23), primary coil (24) and secondary coil (26); Described rectification unit (21) is connected with described slip ring inlet wire (3); Described secondary coil (26) is connected with described variable blade control system (5); Near field resonance manner electric energy transmitting is adopted between described primary coil (24) and described secondary coil (26).
6. electric supply installation according to claim 5, it is characterized in that, described control loop supply module (2) also comprises: be connected to the resonant element (25) between described primary coil (24) and described secondary coil (26).
7. electric supply installation according to claim 5, it is characterized in that, described control loop supply module (2) also comprise be connected with described resonant element (25) another described in secondary coil (26), secondary coil described in another (26) is connected with the temperature and humidity control system (6) in described pitch-controlled system.
8. electric supply installation according to claim 7, it is characterized in that, described electric supply installation also comprises: be connected with described resonant element (25) another described in secondary coil (26) and safeguarding and test electrical interface (7), described maintenance is connected with secondary coil described in another (26) with electrical interface (7) with test.
9. electric supply installation according to claim 8, is characterized in that, described electric supply installation also comprises: wireless communication module (8); Described wireless communication module (8) is connected with described variable blade control system (5), described temperature and humidity control system (6) and described pitch motor (4) respectively, for providing described variable blade control system (5), carrying out radio communication between described temperature and humidity control system (6) and described pitch motor (4).
10. electric supply installation according to claim 1, it is characterized in that, described electric supply installation also comprises: microwave self-powered module (9), and described microwave self-powered module (9) comprising: the DC power supply (91) connected successively, microwave power generator (92) and RECTIFYING ANTENNA (93); Described RECTIFYING ANTENNA (93) is connected with the energy storage device of providing for oneself of described pitch motor (4), for providing standby electricity to described pitch motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001132.7A CN105490380A (en) | 2015-12-28 | 2015-12-28 | Power supply device in wind power generation variable pitch system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001132.7A CN105490380A (en) | 2015-12-28 | 2015-12-28 | Power supply device in wind power generation variable pitch system |
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| CN105490380A true CN105490380A (en) | 2016-04-13 |
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| CN201511001132.7A Pending CN105490380A (en) | 2015-12-28 | 2015-12-28 | Power supply device in wind power generation variable pitch system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956665A (en) * | 2009-07-14 | 2011-01-26 | 通用电气公司 | The excess energy that utilizes renewable power generation system to produce is handled the method and system of organic waste materials |
| CN203690974U (en) * | 2013-12-12 | 2014-07-02 | 南车青岛四方机车车辆股份有限公司 | Wireless charging system with power supply device and vehicle charging device |
| WO2015092201A2 (en) * | 2013-12-20 | 2015-06-25 | Ratier Figeac | Device for separately transmitting multiple electric powers on a turbine engine rotor |
| CN205248911U (en) * | 2015-12-28 | 2016-05-18 | 北京天诚同创电气有限公司 | Wind power generation becomes power supply unit in oar system |
-
2015
- 2015-12-28 CN CN201511001132.7A patent/CN105490380A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956665A (en) * | 2009-07-14 | 2011-01-26 | 通用电气公司 | The excess energy that utilizes renewable power generation system to produce is handled the method and system of organic waste materials |
| CN203690974U (en) * | 2013-12-12 | 2014-07-02 | 南车青岛四方机车车辆股份有限公司 | Wireless charging system with power supply device and vehicle charging device |
| WO2015092201A2 (en) * | 2013-12-20 | 2015-06-25 | Ratier Figeac | Device for separately transmitting multiple electric powers on a turbine engine rotor |
| CN205248911U (en) * | 2015-12-28 | 2016-05-18 | 北京天诚同创电气有限公司 | Wind power generation becomes power supply unit in oar system |
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Application publication date: 20160413 |
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