CN201953572U - Direct-driven switched reluctance wind power generator system with concentric two-stator structure - Google Patents
Direct-driven switched reluctance wind power generator system with concentric two-stator structure Download PDFInfo
- Publication number
- CN201953572U CN201953572U CN2011200458168U CN201120045816U CN201953572U CN 201953572 U CN201953572 U CN 201953572U CN 2011200458168 U CN2011200458168 U CN 2011200458168U CN 201120045816 U CN201120045816 U CN 201120045816U CN 201953572 U CN201953572 U CN 201953572U
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- China
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- generator
- stator
- rotor
- concentric
- switched reluctance
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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
- Y02E10/72—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
Abstract
The utility model relates to a direct-driven switched reluctance wind power generator system with a concentric two-stator structure. A generator is a switched reluctance generator formed by combining an inner rotor generator with an outer rotor generator, and the inner rotor generator and the outer rotor generator are concentric. The inner rotor generator is composed of an outer stator and an inner rotor in a matched mode, the outer rotor generator is composed of an outer rotor and an inner stator in a matched mode, the inner rotor and the outer rotor are fixed on a support and rotate by being connected with a rotary shaft of an impeller of a wind turbine, and the outer stator and the inner stator are fixed on a casing and a static shaft. The direct-driven switched reluctance wind power generator system is simple in structure, durable, low in cost, small in size and maintenance-free, and the generator is high in efficiency and capable of running at a low speed when a unit is at a low wind speed so that generated energy of the unit is increased.
Description
Technical field
The utility model relates to the wind-driven generator field, especially the direct wind-driven generator of concentric type double-stator structure.
Background technique
In recent years, wind energy has obtained using widely as clean energy resource, and wherein a kind of mode of effectively utilizing is exactly a wind-power electricity generation.The innovation of wind power technology is very fast in the world, and electric motor power is increasing, and the non-gear box directly technology of driving is a main trend of following wind power technology.In direct-driving wind power generator, adopt magneto alternator and electric excitation synchro wind generator more; Wherein, need to install permanent-magnet material on the magneto alternator rotor, loss of excitation easily takes place in permanent-magnet material under environment such as short circuit, high temperature and judder; Permanent-magnet material is subjected to the restriction of resource and policy, and price constantly goes up; P-m rotor is ferromagnetic parts, and is higher to production scene and manufacturing technique requirent, brought great difficulty for processing and assembling.On the electricity excitation synchro wind generator rotor DC excitation winding is arranged, need slip ring and carbon brush configuration that the DC excitation electric current is provided, necessary periodic maintenance of slip ring and carbon brush configuration and replacing have increased maintenance cost and fault occurrence probability.But direct wind-driven generator is owing to directly be connected with wind energy conversion system, and its rotating speed is low, number of poles is many, and the stator and rotor size is big, is the flat structure, and motor internal has bigger space and do not utilize.
The model utility content
The applicant is low at the rotating speed that the direct linkage structure of above-mentioned existing direct wind-driven generator produces, number of poles is many, shortcomings such as size is big, what a kind of concentric type double-stator structure rational in infrastructure was provided directly drives the switching magnetic-resistance wind powered generator system, thereby has reduced size greatly, has improved generating efficiency.
The technological scheme that the utility model adopted is as follows:
A kind of concentric type double-stator structure directly drive the switching magnetic-resistance wind powered generator system, generator is a switched reluctance machines, combine by two concentric internal rotor generator and outer rotor generators, described internal rotor generator is cooperated by external stator and internal rotor, and described outer rotor generator is cooperated by external rotor and inner stator; Described internal rotor and described external rotor are fixed on the supporting frame, and are connected the realization revolution with the impeller shaft of wind energy conversion system; Described external stator and described inner stator are fixed on casing and the dead axle.It is further characterized in that:
The internal rotor generator and the outer rotor generator of described switched reluctance machines are controlled by position transducer, be connected with multiwinding transformer by power inverter, inverter, the circuit breaker that is connected in series respectively, the output terminal of multiwinding transformer is connected to electrical network.
The beneficial effects of the utility model are:
(1) simple in structure, durable, cost is low, volume is little, non-maintaining; (2) compact structure, specific volume power is big; (3) under different wind speed, by changing generator capacity, the wind energy of input and the power of generator are complementary, realize maximal power tracing, improve the energy conversion efficiency of system; (4) in the whole service velocity range, generator efficiency height, annual electricity generating capacity height; (5) unit can be than low cruise, thereby makes unit can cut when lower wind speed, improves the unit generation amount.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the double-stator structure sectional view of direct wind-driven generator.
Fig. 3 is the sectional view of switching magnetic-resistance wind-driven generator of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described.
The utility model adopts the switching magnetic-resistance wind-driven generator of double-stator structure, can overcome the shortcoming of magneto alternator and electric excitation synchronous generator, compact structure, and control performance is good, increases specific volume power.
As Fig. 2, shown in Figure 3, concentric type double-stator structure of the present utility model directly drives generator 2 can regard two concentric motors compositions as: one is the internal rotor generator, is made up of external stator 25 and internal rotor 26; Another is an outer rotor generator, is made up of external rotor 27 and inner stator 28; Winding 25-1 is wound on the external stator 25, and winding 28-1 is wound on the inner stator 28; Internal rotor 26 and external rotor 27 are fixed on the supporting frame 29, and supporting frame 29 is connected with impeller 1 rotating shaft realizes revolution; External stator 25 is fixed on casing 24 and the dead axle with inner stator 28.As shown in Figure 1, the internal rotor generator is connected with power inverter 5 by power inverter 4 respectively with outer rotor generator, control by position transducer 3, output DC, be converted to Ac via inverter 6 and inverter 7, be connected with multiwinding transformer 10 with circuit breaker 9 by circuit breaker 8, be connected to electrical network 11 at last.Under different wind speed, by changing generator capacity, the wind energy of input and the power of generator are complementary, realize maximal power tracing, improve the energy conversion efficiency of system.The power of inside and outside rotor generator is according to certain pro rate (as 2:1), and unit can divide the power operation according to different wind speed, as following of low wind conditions outer rotor generator being incorporated into the power networks; Along with wind speed improves, the internal rotor generator connecting in parallel with system is moved; After reaching rated wind speed, inside and outside rotor generator is incorporated into the power networks simultaneously, reach rated power.
More than describing is to explanation of the present utility model, is not the qualification to model utility, and the utility model institute restricted portion is referring to claim, and under the situation of the utility model spirit, the utility model can be done any type of modification.
Claims (2)
1. a concentric type double-stator structure directly drives the switching magnetic-resistance wind powered generator system, it is characterized in that: generator is a switched reluctance machines, combine by two concentric internal rotor generator and outer rotor generators, described internal rotor generator is cooperated by external stator and internal rotor, and described outer rotor generator is cooperated by external rotor and inner stator; Described internal rotor and described external rotor are fixed on the supporting frame, and are connected the realization revolution with the impeller shaft of wind energy conversion system; Described external stator and described inner stator are fixed on casing and the dead axle.
2. directly drive the switching magnetic-resistance wind powered generator system according to the described concentric type double-stator structure of claim 1, it is characterized in that: the internal rotor generator and the outer rotor generator of described switched reluctance machines are controlled by position transducer, be connected with multiwinding transformer by power inverter, inverter, the circuit breaker that is connected in series respectively, the output terminal of multiwinding transformer is connected to electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200458168U CN201953572U (en) | 2011-02-24 | 2011-02-24 | Direct-driven switched reluctance wind power generator system with concentric two-stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200458168U CN201953572U (en) | 2011-02-24 | 2011-02-24 | Direct-driven switched reluctance wind power generator system with concentric two-stator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953572U true CN201953572U (en) | 2011-08-31 |
Family
ID=44497687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200458168U Expired - Lifetime CN201953572U (en) | 2011-02-24 | 2011-02-24 | Direct-driven switched reluctance wind power generator system with concentric two-stator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141007A (en) * | 2011-02-24 | 2011-08-03 | 中科盛创（青岛）电气有限公司 | Direct drive switch magnetic resistance wind driven generator system with concentric type double-stator structure |
| CN104079130A (en) * | 2014-07-21 | 2014-10-01 | 威海戥同测试设备有限公司 | Multistable cascading induction generator set |
-
2011
- 2011-02-24 CN CN2011200458168U patent/CN201953572U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141007A (en) * | 2011-02-24 | 2011-08-03 | 中科盛创（青岛）电气有限公司 | Direct drive switch magnetic resistance wind driven generator system with concentric type double-stator structure |
| CN104079130A (en) * | 2014-07-21 | 2014-10-01 | 威海戥同测试设备有限公司 | Multistable cascading induction generator set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |
|
| CX01 | Expiry of patent term |