CN201332278Y - Reactive compensation linkage control system for wind power station - Google Patents
Reactive compensation linkage control system for wind power station Download PDFInfo
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- CN201332278Y CN201332278Y CNU2009200042117U CN200920004211U CN201332278Y CN 201332278 Y CN201332278 Y CN 201332278Y CN U2009200042117 U CNU2009200042117 U CN U2009200042117U CN 200920004211 U CN200920004211 U CN 200920004211U CN 201332278 Y CN201332278 Y CN 201332278Y
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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
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
Reactive compensation linkage control system for wind power station comprises distributed wind turbine generator characterized in that the wind turbine generator are separately installed with current transformer device for wind power and reactive compensation controller; the reactive compensation controller communicates with data control system, while current transformer device of wind power station is connected with electrical power system through transformer station. The reactive compensation linkage control system of wind power station can reduce the system voltage transformation resulting from wind power generation to minimum, enlarge the generation ratio of wind power, adjust connection point voltage and generation voltage, eliminate harmonic wave voltage, and realize optimized control and independent and decentralised control of wind generation station.
Description
Technical field
The utility model belongs to the auxiliary equipment technical field of wind generator system, is specifically related to a kind of wind energy turbine set reactive power compensation coordinated control system that is used for wind energy turbine set output power interlock control.
Background technology
Wind power generation is to utilize wind-force to drive the air vane rotation, sees through the speed lifting of booster engine with rotation again, impels generator for electricity generation.According to present windmill technology, approximately be the gentle breeze speed (degree of gentle breeze) of three meters of per seconds, just can begin generating.Wind power generation does not have fuel problem, can not produce radiation or air pollution yet, is just becoming the high-grade energy of exploitation energetically.
Be subjected to the influence of natural conditions, wind turbine generator can't realize round-the-clock stable electric generation, because the voltage when wind energy turbine set inserts electrical network is lower, voltage keep ability also a little less than, the major obstacle of voltage power-less influence the having become restriction wind power generation assembling of the electric field that wind energy turbine set inserts its.
The utility model content
The utility model provides a kind of system voltage change that wind power generation can be caused to reduce to minimum, expansion wind power generation ratio, can realize the wind energy turbine set reactive power compensation coordinated control system that tie point voltage is adjusted and generating voltage is adjusted, it can harmonic carcellation voltage, realizes the optimization control in the wind energy turbine set and the independent decentralized control of wind energy turbine set.
The technical scheme that the utility model adopted is as follows:
A kind of wind energy turbine set reactive power compensation coordinated control system, comprise the wind-driven generator that distributes and be provided with, it is characterized in that described wind-driven generator is connected with wind power generation unsteady flow device and idle compensating control respectively, described idle compensating control communicates to connect data control system, and wind power generation unsteady flow device is connected with electric power system by transformer station.
Specifically, described a plurality of wind-driven generators with insert a transmission line after a transformer station is in parallel, transmission line connects electric power system is set.
The incoming end of described transmission line is provided with a total idle compensating control, and this total idle compensating control and data control system communicate to connect.
Described idle compensating control comprises switch module, controller, capacitor/reactor module, capacitor and reactor, and described switch module is for selecting controllable silicon/controllable silicon for use, the electronic switch of controllable silicon/diode; Described reactor is a thin silicon steel plate iron core reactor, and described capacitor is a metalizing polypropylene thin film capacitor.
Described wind power generation unsteady flow device comprises:
The stator switch that is incorporated into the power networks is arranged on the wind generator set stator power transmission line;
The switch in parallel setting of being incorporated into the power networks of main circuit system, this main circuit system and described stator; It comprises rectification module, inversion module, I/O filter and active circuit.
The inversion module of main circuit is a two way convertor described in the wind power generation unsteady flow device, and it comprises generating set side converter and electric power system side converter, and described generating set side converter and electric power system side converter are by a current-variable controller control connection.
Described active circuit is controlled device entirely by controllable diode rectifier bridge and worker GBT and is constituted; The wind turbine generator side of described inversion module is provided with the I/O filter, and opposite side is provided with input filter.
The builtin voltage that this wind energy turbine set reactive power compensation coordinated control system can calculate transformer station by the idle compensating control that adopts closed loop to detect control compensates, and prevents voltage landing and flickering, has the function that reactive power compensation and harmonic wave are adjusted concurrently.This idle compensating control uses the fast Flourier is olation simultaneously; analyze each phase voltage in each period of wave; adopt the high-speed electronic switch switching of scan pattern; promptly protected capacitor; can cooperate the minimum of its mensuration, maximum and average power factor pattern again; set the switching threshold values of capacitor, carry out reactive power compensation.
The utility model can carry out the automatic adjustment of OPTIMAL REACTIVE POWER electric power, idle compensating control is by the detection to the wind speed change, carry out OPTIMAL REACTIVE POWER electric power control dependent instruction and calculate, send the instruction of OPTIMAL REACTIVE POWER electric power to wind turbine generator nearby, the most effective electric energy that is converted into of wind energy.Total idle compensating control is then always regulated and control all wind turbine generator that connect.Even an idle compensating control occurs unusually, other idle compensating control still can carry out whole supervision control.The data monitoring system is changed the variation in voltage of the tie point of the access network system that causes by the supervision to whole system owing to generation power by idle compensating control control.Idle compensating control also can be realized the restriction of generation power or the change of reduction generation power according to the requirement in system power station.
The wind power generation unsteady flow device that it adopted is mainly used in the excitation control of generator amature, is the critical component of speed-variable frequency-constant wind-driven generator group.Can be installed in the speed variant frequency constant dual feedback asynchronous wind generator system of 0.85-3MW of actual wind field.It carries out excitation by the rotor-side to double-fed wind power generator, makes the stator side output of double-fed generator with system's line voltage frequency and phase place identical voltage and current be arranged all, and can gain merit as required and idle independent decoupling zero control.This wind power generation unsteady flow device can be realized soft generating electricity by way of merging two or more grid systems, and reduces the adverse effect that the impulse current that is incorporated into the power networks of double-fed wind power generator causes motor and electrical network.
The beneficial effects of the utility model are, the system voltage that this wind energy turbine set reactive power compensation coordinated control system can cause wind power generation changes reduces to minimum, expansion wind power generation ratio, can realize adjustment of tie point voltage and generating voltage adjustment, it can harmonic carcellation voltage, realizes the optimization control in the wind energy turbine set and the independent decentralized control of wind energy turbine set.
Description of drawings
Fig. 1 is the composition framework schematic diagram of the concrete real-time mode of the present invention.
Fig. 2 is the composition framework schematic diagram of wind power generation convertor assembly among Fig. 1.
Embodiment
As shown in Figure 1, in this wind energy turbine set reactive power compensation coordinated control system, a plurality of wind-driven generators 10 are connected with wind power generation unsteady flow device 20 and tuning controller 30 respectively, tuning controller 30 communicates to connect data control system 60, and wind power generation unsteady flow device 20 is connected with electric power system by transformer station 40.A plurality of wind-driven generators with insert a transmission line 50 after a transformer station is in parallel, transmission line connects electric power system 70 is set.The incoming end of transmission line 50 is provided with a total idle compensating control 80, and this total idle compensating control 80 communicates to connect with data control system.Can form the structure that many group wind powered generator systems insert power transmission line in the lump thus.This idle compensating control comprises switch module, controller, capacitor/reactor module, capacitor and reactor, and switch module is for selecting controllable silicon/controllable silicon for use, the electronic switch of controllable silicon/diode; Described reactor is a thin silicon steel plate iron core reactor, and described capacitor is a metalizing polypropylene thin film capacitor.
As shown in Figure 2, this wind power generation unsteady flow device comprises the stator switch 26 that is incorporated into the power networks, and is arranged on the power transmission line of wind generator set stator 11; Main circuit system, this main circuit system and the described stator switch 26 that is incorporated into the power networks is arranged in parallel; It comprises rectification module, inversion module, I/O filter and active circuit.The inversion module 23 of main circuit is a two way convertor, and it comprises generating set side converter 231 and electric power system side converter 232, and generating set side converter and electric power system side converter are by a current-variable controller 233 control connections.Active circuit 21 is controlled device entirely by controllable diode rectifier bridge and IGBT and is constituted; The wind turbine generator side of inversion module is provided with I/O filter 24, and opposite side is provided with input filter 25.
Claims (7)
1. wind energy turbine set reactive power compensation coordinated control system, comprise the wind-driven generator that distributes and be provided with, it is characterized in that described wind-driven generator is connected with wind power generation unsteady flow device and idle compensating control respectively, described idle compensating control communicates to connect data control system, and wind power generation unsteady flow device is connected with electric power system by transformer station.
2. wind energy turbine set reactive power compensation coordinated control system according to claim 1 inserts a transmission line after it is characterized in that described a plurality of wind-driven generator and a transformer station being in parallel, the transmission line connection is provided with electric power system.
3. wind energy turbine set reactive power compensation coordinated control system according to claim 2 is characterized in that the incoming end of described transmission line is provided with a total idle compensating control, and this total idle compensating control and data control system communicate to connect.
4. wind energy turbine set reactive power compensation coordinated control system according to claim 1, it is characterized in that described idle compensating control comprises switch module, controller, capacitor/reactor module, capacitor and reactor, described switch module is for selecting controllable silicon/controllable silicon for use, the electronic switch of controllable silicon/diode; Described reactor is a thin silicon steel plate iron core reactor, and described capacitor is a metalizing polypropylene thin film capacitor.
5. wind energy turbine set reactive power compensation coordinated control system according to claim 1 is characterized in that described wind power generation unsteady flow device comprises:
The stator switch that is incorporated into the power networks is arranged on the wind generator set stator power transmission line;
The switch in parallel setting of being incorporated into the power networks of main circuit system, this main circuit system and described stator; It comprises rectification module, inversion module, I/O filter and active circuit.
6. wind energy turbine set reactive power compensation coordinated control system according to claim 5, the inversion module that it is characterized in that main circuit described in the wind power generation unsteady flow device is a two way convertor, it comprises generating set side converter and electric power system side converter, and described generating set side converter and electric power system side converter are by a current-variable controller control connection.
7. wind energy turbine set reactive power compensation coordinated control system according to claim 5 is characterized in that described active circuit controls device entirely by controllable diode rectifier bridge and IGBT and constitute; The wind turbine generator side of described inversion module is provided with the I/O filter, and opposite side is provided with input filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200042117U CN201332278Y (en) | 2009-01-20 | 2009-01-20 | Reactive compensation linkage control system for wind power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200042117U CN201332278Y (en) | 2009-01-20 | 2009-01-20 | Reactive compensation linkage control system for wind power station |
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| Publication Number | Publication Date |
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| CN201332278Y true CN201332278Y (en) | 2009-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2009200042117U Expired - Fee Related CN201332278Y (en) | 2009-01-20 | 2009-01-20 | Reactive compensation linkage control system for wind power station |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074969A (en) * | 2009-11-23 | 2011-05-25 | 瑞能***股份公司 | Wind power plant and operation method for same |
| CN102570413A (en) * | 2012-01-04 | 2012-07-11 | 广东省电力设计研究院 | Compensatory protection and linked tripping device for submarine cable |
| CN102742149A (en) * | 2009-11-03 | 2012-10-17 | 特雷维能源股份公司 | A control system for wind farms with aerogenerators provided with DC modular converters |
| CN107317342A (en) * | 2017-08-21 | 2017-11-03 | 浙江运达风电股份有限公司 | A kind of idle planning of distributing wind power plant and powerless control method |
| US10044185B2 (en) | 2013-08-23 | 2018-08-07 | Abb Schweiz Ag | Method and apparatus for operating a converter in a converter-based power distribution system, and power distribution system having a plurality of converter-based power transmission units |
| CN108808728A (en) * | 2018-05-28 | 2018-11-13 | 天津大学 | A kind of wind power generation set grid-connection control method |
-
2009
- 2009-01-20 CN CNU2009200042117U patent/CN201332278Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102742149A (en) * | 2009-11-03 | 2012-10-17 | 特雷维能源股份公司 | A control system for wind farms with aerogenerators provided with DC modular converters |
| CN102074969A (en) * | 2009-11-23 | 2011-05-25 | 瑞能***股份公司 | Wind power plant and operation method for same |
| CN102074969B (en) * | 2009-11-23 | 2014-03-12 | 瑞能***股份公司 | Wind power plant and operation method for same |
| CN102570413A (en) * | 2012-01-04 | 2012-07-11 | 广东省电力设计研究院 | Compensatory protection and linked tripping device for submarine cable |
| US10044185B2 (en) | 2013-08-23 | 2018-08-07 | Abb Schweiz Ag | Method and apparatus for operating a converter in a converter-based power distribution system, and power distribution system having a plurality of converter-based power transmission units |
| CN107317342A (en) * | 2017-08-21 | 2017-11-03 | 浙江运达风电股份有限公司 | A kind of idle planning of distributing wind power plant and powerless control method |
| CN108808728A (en) * | 2018-05-28 | 2018-11-13 | 天津大学 | A kind of wind power generation set grid-connection control method |
| CN108808728B (en) * | 2018-05-28 | 2021-04-20 | 天津大学 | Grid-connected control method for wind generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20120120 |