CN202014103U - Wind power generation controlling and inverting system - Google Patents
Wind power generation controlling and inverting system Download PDFInfo
- Publication number
- CN202014103U CN202014103U CN2010205077261U CN201020507726U CN202014103U CN 202014103 U CN202014103 U CN 202014103U CN 2010205077261 U CN2010205077261 U CN 2010205077261U CN 201020507726 U CN201020507726 U CN 201020507726U CN 202014103 U CN202014103 U CN 202014103U
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- China
- Prior art keywords
- current transformer
- double
- wind power
- fed
- power generation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model a wind power generation controlling and inverting system, which comprises a double-fed induction generator, a double-fed wind power current transformer connected to the double-fed induction generator and an intelligent control device connected to both the double-fed induction generator and the double-fed wind power current transformer, wherein the double-fed wind power current transformer comprises a network-side current transformer and a machine-side current transformer; and in the utility model, a stator winding of a double-fed generator accesses a power frequency power network, and a rotor winding is connected with the output of the machine-side current transformer. According to the utility model, the rotor winding (the machine-side current transformer) is controlled to realize constant-voltage and constant-frequency power output of the stator side; the network-side current transformer controls the energy flowing between a DC link and a power network according to the system performance so as to sustain the DC side stability; and the system has a simple structure and is cost-saving in power generation, and is suitable for popularization and application in wide range.
Description
Technical field
The utility model relates to a kind of wind power generation control and inversion system.
Background technology
Along with developing rapidly of industry, energy resource consumption is growing, environmental pollution is on the rise, and forces people to consider the development and utilization of new and renewable sources of energy.Wind energy is owing to its outstanding advantage receives much concern, and in wind power generation system, the speed-varying frequency constant dual feedback wind power generation technology becomes main developing direction in the current wind generating technology with its low cost, high efficiency characteristics.
Summary of the invention
Technical problem to be solved in the utility model is how to adopt the variable speed constant frequency technology to improve utilization ratio of wind energy.
In order to solve the problems of the technologies described above, the utility model provides control of a kind of wind power generation and inversion system, and this wind power generation control and inversion system are made up of a duplex feeding induction generator, double-fed fan motor current transformer that is connected on this duplex feeding induction generator are connected described duplex feeding induction generator and double-fed fan motor current transformer with one intelligence controlling device; Described double-fed fan motor current transformer is to be made of net side converter and pusher side current transformer two parts.
Further, described intelligence controlling device is made up of detecting sensor, LC filter, EMI, high-power IGBT, circuit breaker, PLC and reactor.
The beneficial effects of the utility model are:
In control of the utility model wind power generation and the inversion system, the stator winding of double feedback electric engine inserts common frequency power network, and the rotor winding links to each other with the output of pusher side current transformer.By control to the rotor feed, promptly to the control of pusher side current transformer, realize the electric power output of stator side constant voltage constant frequency, the net side converter then flows between DC link and electrical network according to system works situation control energy, and is stable to keep DC side; This system configuration is simple, and cost of electricity-generating is low, helps applying on a large scale.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural principle schematic diagram of control of the utility model wind power generation and converter system.
Embodiment
As shown in Figure 1, the wind power generation control that provides of the utility model and inversion system are made up of a duplex feeding induction generator, double-fed fan motor current transformer that is connected on this duplex feeding induction generator are connected described duplex feeding induction generator and double-fed fan motor current transformer with one intelligence controlling device; Described double-fed fan motor current transformer is to be made of net side converter and pusher side current transformer two parts.The intelligence controlling device of this double-fed wind-force current transformer is made up of components and parts such as detecting sensor, double fed induction generators, LC filter, EMI, high-power IGBT, circuit breaker, PLC, reactors, speed-varying frequency constant dual feedback wind power generation machine system is in start-up course, when blower fan drives the minimum speed of service that the generator raising speed reaches generator, at this moment the current transformer of rotor-side is started working, the idle end voltage follow line voltage of control stator winding, and reach synchronously the current transformer of the suitable rotation of generator this moment rapidly.In start-up course, double-fed generator adopts voltage control, promptly current amplitude, phase place, the frequency by the control rotor is met the condition of being incorporated into the power networks automatically, and amplitude, phase place, the frequency of the amplitude of three voltages of stator winding, phase place, frequency and electrical network three-phase voltage are consistent.
The utility model protection range is not limited to the described scope of above-mentioned execution mode, and every technology distortion of being done according to the utility model know-why all falls within the protection range of the present utility model.
Claims (1)
1. a wind power generation is controlled and inversion system, it is characterized in that control of this wind power generation and inversion system are made up of a duplex feeding induction generator, double-fed fan motor current transformer that is connected on this duplex feeding induction generator are connected described duplex feeding induction generator and double-fed fan motor current transformer with one intelligence controlling device; Described double-fed fan motor current transformer is to be made of net side converter and pusher side current transformer two parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077261U CN202014103U (en) | 2010-08-27 | 2010-08-27 | Wind power generation controlling and inverting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077261U CN202014103U (en) | 2010-08-27 | 2010-08-27 | Wind power generation controlling and inverting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202014103U true CN202014103U (en) | 2011-10-19 |
Family
ID=44784714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205077261U Expired - Fee Related CN202014103U (en) | 2010-08-27 | 2010-08-27 | Wind power generation controlling and inverting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202014103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899938A (en) * | 2018-09-06 | 2018-11-27 | 浙江运达风电股份有限公司 | A kind of double-fed wind power generator group |
| CN109672211A (en) * | 2017-10-17 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines electrical system |
-
2010
- 2010-08-27 CN CN2010205077261U patent/CN202014103U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672211A (en) * | 2017-10-17 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines electrical system |
| CN108899938A (en) * | 2018-09-06 | 2018-11-27 | 浙江运达风电股份有限公司 | A kind of double-fed wind power generator group |
| CN108899938B (en) * | 2018-09-06 | 2024-03-15 | 运达能源科技集团股份有限公司 | Double-fed wind generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Henan Tianchuang New Energy Equipment Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20130827 |