CN201259529Y - 60HZ electric grid MW grade wind generating set experiment platform - Google Patents
60HZ electric grid MW grade wind generating set experiment platform Download PDFInfo
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- CN201259529Y CN201259529Y CNU2008201102411U CN200820110241U CN201259529Y CN 201259529 Y CN201259529 Y CN 201259529Y CN U2008201102411 U CNU2008201102411 U CN U2008201102411U CN 200820110241 U CN200820110241 U CN 200820110241U CN 201259529 Y CN201259529 Y CN 201259529Y
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Abstract
The utility model discloses a 60Hz power network MW grade wind power generating set experiment platform, comprising a 60Hz power supply, a double-fed transducer electrically connected with a double-fed motor and corresponding to the double-fed motor; the double-fed motor and the double-fed transducer construct a double-fed type speed regulation driving device; the double-fed motor is connected with a small gearbox; the small gearbox is connected with a small motor; the small motor is electrically connected with a small transducer; the 50Hz power grid supplies power for the small transducer; a small speed regulation driving device is composed of the small gearbox, the small motor and the small transducer; the small gearbox is connected with a big gearbox. When the transmission ratio of the small gearbox and the big gearbox is 1:1, the small gearbox can be removed; and the small motor is coaxially connected with double-fed motor through a coupler. When the experiment platform is used for testing a 60 Hz wind power generating set; as the small speed regulation driving device and the double-fed speed regulation driving device supply power for the tested wind power generating set only through mechanical coupling mode, the 50 Hz power grid still supplies power for the small transducer, so the 60Hz power network MW grade wind power generating set experiment platform has low cost and strong reliability.
Description
Technical field
The utility model relates to technical field of wind power generation, is meant a kind of test platform that can test 60HZ electrical network MW grade wind driven generator unit especially.
Background technology
When the grid type double-feedback wind power generating set is dispatched from the factory, production equipment manufacturer can the overall test platform in factory on, unit main transmission chain is carried out full range of speeds full power generating test.
The overall test platform adopts the butt joint form more, and the electricity that promptly tested wind power generating set is sent returns again to the prime mover as driving.Consider the loss in efficiency of NE BY ENERGY TRANSFER, the energy of prime mover output must be greater than tested wind power generating set.Existing two kinds of main technical schemes can realize:
One, prime mover adopts the big speed governing drive scheme of a cover, promptly one overlaps big-power transducer and motor, because the output power of this frequency converter and motor is greater than tested wind power generating set, therefore need buying separately, procurement cycle is long, cost is high, comprehensive price ratio is not high.
Two, prime mover adopts the Dual-motors Driving scheme, and promptly double-fed speed governing drives and adds a ditty speed drive scheme coaxial or gear case connects.This scheme adopts existing wind power generating set equipment, only needs a lower-powered speed governing drive unit of outsourcing (containing frequency converter and generator), allows the axle of two motors couple together by coaxial or gear case.The loss that the power of ditty speed drive unit only need remedy in the NE BY ENERGY TRANSFER gets final product.This scheme procurement cycle is short, spare part is many, cost is low, easy realization.
Because existing Chinese electrical network is 50HZ, when product will export to external 60HZ electrical network zone, need improve existing test platform.Usually adopt for 60HZ electrical network MW grade wind driven generator unit test platform and to build local power net and realize:
Build the MW level 60HZ local power net of a part power, for the test platform of Dual-motors Driving scheme, this local power net need satisfy: the power requirement of the excitation that double-fed speed governing drives, the excitation of tested wind power generating set and ditty speed drive unit.Therefore the capacity of this local power net is higher, and cost is high.
The utility model content
In view of this, the technical problems to be solved in the utility model provides a kind of 60HZ electrical network MW grade wind driven generator unit test platform, satisfy when test 60HZ wind power generating set, when prime mover adopts the Dual-motors Driving scheme, because ditty speed drive unit just passes through mechanical couplings, provide energy together with double-fed speed governing drive unit to tested wind power generating set, little frequency converter can be still by the 50HZ mains supply, and cost is low, good reliability.
The technical scheme that adopts for solving the problems of the technologies described above is: a kind of 60HZ electrical network MW grade wind driven generator unit test platform, it comprises: the 60HZ power supply, described 60HZ power supply is electrically connected with doubly-fed motor, described doubly-fed motor is in series with the double-fed frequency converter, and described doubly-fed motor and described double-fed frequency converter are formed double-fed speed governing drive unit; The described doubly-fed motor of described double-fed speed governing drive unit connects pinion stand, described pinion stand connects small size motor, described small size motor is electrically connected with little frequency converter, described little frequency converter is by the 50HZ mains supply, and described pinion stand, described small size motor and described little frequency converter are formed ditty speed drive unit; The described pinion stand of described ditty speed drive unit also is connected with the canine tooth roller box.
Described 60HZ power supply is provided by variable-frequency power sources, diesel generator set or motor-gear case-generator.
The utility model also provides a kind of 60HZ electrical network MW grade wind driven generator unit test platform, it comprises: the 60HZ power supply, described 60HZ power supply is electrically connected with doubly-fed motor, described doubly-fed motor is in series with the double-fed frequency converter, and described doubly-fed motor and described double-fed frequency converter are formed double-fed speed governing drive unit; The described doubly-fed motor of described double-fed speed governing drive unit connects small size motor by shaft coupling, described small size motor is electrically connected with little frequency converter, described little frequency converter is by the 50HZ mains supply, and described small size motor and described little frequency converter are formed ditty speed drive unit; The external canine tooth roller box of described small size motor of described ditty speed drive unit.
Described 60HZ power supply is provided by variable-frequency power sources, diesel generator set or motor-gear case-generator.
Adopt the beneficial effect that technique scheme obtained to be:
When 1, testing the 60HZ wind power generating set, ditty speed drive unit does not need additionally to build the local power net of 60HZ still by the 50HZ mains supply, and the local power net capacity can obviously reduce, and cost reduces.
2, the harmonic wave of little frequency converter generation only is injected into 50HZ electrical network capacious, can not interfere with the tested wind power generating set of whole test platform, more approaching real on-the-spot operation sight.
3, the required reactive power of little frequency converter is also only asked for to 50HZ electrical network capacious, can not interfere with the tested wind power generating set of whole test platform, more approaching real on-the-spot operation sight.
When 4, little frequency converter was by the 50HZ mains supply, the rotating speed and the torque (promptly exporting energy) of the output of control small size motor were more accurate, good reliability.
Description of drawings
Fig. 1 is the composition synoptic diagram of 60HZ electrical network MW grade wind driven generator unit test platform and wind power generating set to be measured.
Embodiment
The specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of 60HZ electrical network MW grade wind driven generator unit test platform of the present utility model, at first set up the 60HZ local power net, and the doubly-fed motor 4 of test platform and corresponding double-fed frequency converter 2, the double-fed generator 8 of wind power generating set to be measured and the double-fed frequency converter 3 of correspondence thereof are all inserted the 60HZ local power net by 60HZ power supply 1; Little frequency converter 10 inserts the 50HZ electrical network.
60HZ electrical network MW grade wind driven generator unit test platform of the present utility model comprises: 60HZ power supply 1, this 60HZ power supply 1 is electrically connected with doubly-fed motor 4, this doubly-fed motor 4 is in series with double-fed frequency converter 2, and doubly-fed motor 4 is formed double-fed speed governing drive unit with described double-fed frequency converter 2; The doubly-fed motor 4 of this double-fed speed governing drive unit connects pinion stand 5, and this pinion stand 5 connects small size motor 9, and this small size motor 9 is electrically connected with little frequency converter 10, and this little frequency converter 10 is by the 50HZ mains supply; Pinion stand 5, small size motor 9 and little frequency converter 10 are formed ditty speed drive unit; The pinion stand 5 of this ditty speed drive unit also is connected with canine tooth roller box 6.
Canine tooth roller box 6 connects wind power generating set to be measured.Canine tooth roller box 6 connects the canine tooth roller box 7 of wind power generating set to be measured, and canine tooth roller box 7 also is connected with double-fed generator 8, and these double-fed generator 8 Series Frequency Conversion devices 3 also insert 60HZ power supply 1 with frequency converter 3.
Generate the 60HZ local power net by the 60HZ power supply, the 60HZ power supply can adopt three kinds of technical schemes:
1, frequency conversion (device) power supply: its principle is that employing igbt power electronic devices such as (IGBT) output 60HZ sine wave pulse width modulated (SPWM) behind wave filter elimination harmonic wave, generates the 60HZ local power net.
2, diesel generator set: its principle is that the diesel engine outputting power drives generator for electricity generation, generates the 60HZ local power net.
3, motor-gear case-generator: its principle is that synchronous motor output synchronous rotational speed after the gear case raising speed, through the synchronous generator generating, generates the 60HZ local power net.
The job step of carrying out the test of 60HZ wind power generating set is as follows:
1, start by the fast drive unit of the ditty of 50HZ mains supply, the output speed of regulating pinion stand 5 is higher than the rotating speed that doubly-fed motor 4 can start.
2, start doubly-fed motor 4, and the double-fed generator 8 that starts wind power generating set to be measured is incorporated into the power networks.
3, progressively loading power tests until full power.
The utility model also provides a kind of 60HZ electrical network MW grade wind driven generator unit test platform, promptly when the ratio of gear of pinion stand 5 and canine tooth roller box 6 is 1:1, can dispense pinion stand 5, with small size motor 9 by shaft coupling and 4 coaxial connections of doubly-fed motor (diagram is not provided).This kind 60HZ electrical network MW grade wind driven generator unit test platform comprises: the 60HZ power supply, and this 60HZ power supply is electrically connected with doubly-fed motor, and this doubly-fed motor is in series with the double-fed frequency converter; Doubly-fed motor and double-fed frequency converter are formed double-fed speed governing drive unit; The doubly-fed motor of double-fed speed governing drive unit connects small size motor by shaft coupling, and this small size motor is electrically connected with little frequency converter, and this little frequency converter is by the 50HZ mains supply, and small size motor and little frequency converter are formed ditty speed drive unit; The external canine tooth roller box of small size motor of ditty speed drive unit.
The above is a preferred embodiment of the present utility model only, is not to be used for limiting to claim of the present utility model, and the equivalent structure that all utilization the utility model instructionss and accompanying drawing content are done changes, and all in like manner is contained in the scope of the present utility model.
Claims (4)
1, a kind of 60HZ electrical network MW grade wind driven generator unit test platform, it is characterized in that, it comprises: the 60HZ power supply, described 60HZ power supply is electrically connected with doubly-fed motor, described doubly-fed motor is in series with the double-fed frequency converter, and described doubly-fed motor and described double-fed frequency converter are formed double-fed speed governing drive unit; The described doubly-fed motor of described double-fed speed governing drive unit connects pinion stand, described pinion stand connects small size motor, described small size motor is electrically connected with little frequency converter, described little frequency converter is by the 50HZ mains supply, and described pinion stand, described small size motor and described little frequency converter are formed ditty speed drive unit; The described pinion stand of described ditty speed drive unit also is connected with the canine tooth roller box.
2,60HZ electrical network MW grade wind driven generator unit test platform according to claim 1 is characterized in that described 60HZ power supply is provided by variable-frequency power sources, diesel generator set or motor-gear case-generator.
3, a kind of 60HZ electrical network MW grade wind driven generator unit test platform, it is characterized in that, it comprises: the 60HZ power supply, described 60HZ power supply is electrically connected with doubly-fed motor, described doubly-fed motor is in series with the double-fed frequency converter, and described doubly-fed motor and described double-fed frequency converter are formed double-fed speed governing drive unit; The described doubly-fed motor of described double-fed speed governing drive unit connects small size motor by shaft coupling, described small size motor is electrically connected with little frequency converter, described little frequency converter is by the 50HZ mains supply, and described small size motor and described little frequency converter are formed ditty speed drive unit; The external canine tooth roller box of described small size motor of described ditty speed drive unit.
4,60HZ electrical network MW grade wind driven generator unit test platform according to claim 3 is characterized in that described 60HZ power supply is provided by variable-frequency power sources, diesel generator set or motor-gear case-generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201102411U CN201259529Y (en) | 2008-08-27 | 2008-08-27 | 60HZ electric grid MW grade wind generating set experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201102411U CN201259529Y (en) | 2008-08-27 | 2008-08-27 | 60HZ electric grid MW grade wind generating set experiment platform |
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| Publication Number | Publication Date |
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| CN201259529Y true CN201259529Y (en) | 2009-06-17 |
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| CNU2008201102411U Expired - Lifetime CN201259529Y (en) | 2008-08-27 | 2008-08-27 | 60HZ electric grid MW grade wind generating set experiment platform |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011160564A1 (en) * | 2010-06-25 | 2011-12-29 | 西安久和能源科技有限公司 | Novel testing system and method for mw-level wind driven generator set |
| CN102621968A (en) * | 2012-04-07 | 2012-08-01 | 溧阳市华星教学仪器设备厂 | Wind power generation laboratory simulation control method and wind power generation laboratory simulation device |
| CN102710077A (en) * | 2012-06-13 | 2012-10-03 | 中机国际工程设计研究院有限责任公司 | Orthogonal excitation synchronous motor and method for establishing gearbox and traditional synchronous motor test system by using same |
| CN103487753A (en) * | 2012-06-11 | 2014-01-01 | 华锐风电科技(集团)股份有限公司 | Method and test bed for testing dynamic performance of wind generating set |
| CN103630838A (en) * | 2013-12-17 | 2014-03-12 | 南车株洲电机有限公司 | Twin-towing temperature rise method and device for doubly-fed generators |
| CN109347087A (en) * | 2018-11-01 | 2019-02-15 | 曲阜师范大学 | The Double-feed wind power set optimization adjusted based on number of pole-pairs and transmission ratio |
| CN110632518A (en) * | 2019-11-06 | 2019-12-31 | 重庆华昭电气设备有限公司 | Double-drive variable pitch test platform |
-
2008
- 2008-08-27 CN CNU2008201102411U patent/CN201259529Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011160564A1 (en) * | 2010-06-25 | 2011-12-29 | 西安久和能源科技有限公司 | Novel testing system and method for mw-level wind driven generator set |
| CN102621968A (en) * | 2012-04-07 | 2012-08-01 | 溧阳市华星教学仪器设备厂 | Wind power generation laboratory simulation control method and wind power generation laboratory simulation device |
| CN103487753A (en) * | 2012-06-11 | 2014-01-01 | 华锐风电科技(集团)股份有限公司 | Method and test bed for testing dynamic performance of wind generating set |
| CN103487753B (en) * | 2012-06-11 | 2015-11-25 | 华锐风电科技(集团)股份有限公司 | A kind of method of testing wind power generation unit dynamic property and testing table |
| CN102710077A (en) * | 2012-06-13 | 2012-10-03 | 中机国际工程设计研究院有限责任公司 | Orthogonal excitation synchronous motor and method for establishing gearbox and traditional synchronous motor test system by using same |
| CN103630838A (en) * | 2013-12-17 | 2014-03-12 | 南车株洲电机有限公司 | Twin-towing temperature rise method and device for doubly-fed generators |
| CN103630838B (en) * | 2013-12-17 | 2016-07-06 | 南车株洲电机有限公司 | A kind of double-fed generator is to dragging temperature-raising experimental method |
| CN109347087A (en) * | 2018-11-01 | 2019-02-15 | 曲阜师范大学 | The Double-feed wind power set optimization adjusted based on number of pole-pairs and transmission ratio |
| CN109347087B (en) * | 2018-11-01 | 2023-06-16 | 曲阜师范大学 | Double-fed wind turbine generator system optimization based on pole pair number and transmission ratio adjustment |
| CN110632518A (en) * | 2019-11-06 | 2019-12-31 | 重庆华昭电气设备有限公司 | Double-drive variable pitch test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SINOVEL WIND GROUP CO., LTD. I Free format text: FORMER NAME: HUARUI WIND ELECTRICITY TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 19 floor, building 59, Zhongguancun Avenue, Beijing, Haidian District, 100872 Patentee after: Sinovel Polytron Technologies Inc Address before: 19 floor, building 59, Zhongguancun Avenue, Beijing, Haidian District, 100872 Patentee before: Sinovel Wind Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: SINOVEL WIND GROUP CO., LTD. Free format text: FORMER NAME: SINOVEL WIND CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 100872, room 7, building 59, 705 Zhongguancun street, Haidian District, Beijing Patentee after: Sinovel Wind Group Co., Ltd. Address before: 100872, 19 floor, building 59, Zhongguancun Avenue, Beijing, Haidian District Patentee before: Sinovel Polytron Technologies Inc |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |
|
| CX01 | Expiry of patent term |