CN204740137U - Large -scale wind generating set work performance test device - Google Patents
Large -scale wind generating set work performance test device Download PDFInfo
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- CN204740137U CN204740137U CN201520423406.0U CN201520423406U CN204740137U CN 204740137 U CN204740137 U CN 204740137U CN 201520423406 U CN201520423406 U CN 201520423406U CN 204740137 U CN204740137 U CN 204740137U
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Abstract
The utility model discloses a large -scale wind generating set work performance test device, including converter, motor, accompany examination generator, power testing appearance, controller, electric energy converter, gear box and test generator, the motor is connected with the converter electricity, and is connected with gear box input shaft, accompanies examination generator and test generator to install in gearbox output axle both ends, the electric energy output of test generator is connected with accompanying the electromechanics that tries to generate electricity through electric energy converter, power testing appearance, the controller is continuous with power testing appearance and electric energy converter. The working speed of test generator is by the realization of converter control motor rotational speed, loading power by the output decision of accompanying the examination generator. The utility model discloses a rotational speed of converter regulating motor, adjust the output of electric energy converter through the controller, realize test generator working speed and output's regulation, have that energy loss is little, the test result is accurate reliably, need not additionally to develop advantage such as high -power loading device.
Description
Technical field
The utility model relates to a kind of Large-scale Wind Turbines usability test device, and particularly power is the Large-scale Wind Turbines usability test device of MW class.
Background technology
The work under bad environment of wind power generating set, requires that wind power generating set has high functional reliability.In order to the serviceability of full test wind power generating set, need the usability test carrying out different loads power and different operating rotating speed apparatus for lower wind genset.Be the Large-scale Wind Turbines of MW class for power, the usability test will carrying out different loads power and different operating rotating speed apparatus for lower wind genset in indoor is a difficult thing.Where the shoe pinches is: on the one hand, needs peak power output to be the high-power loader of MW class; On the other hand, the energy ezpenditure reduced as much as possible in process of the test is needed.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provide a kind of simple and compact for structure, energy loss is little, test findings accurately reliable, without the need to additionally developing the Large-scale Wind Turbines usability test device of high-power charger.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of Large-scale Wind Turbines usability test device, comprise frequency converter, motor, accompany examination generator, power measuring, controller, electrical energy transformer, gear case and test generator, described motor is electrically connected with frequency converter, the output terminal of motor is connected with the input shaft of gear case, described two ends of accompanying the output shaft of examination generator and test generator to be connected to gearbox output shaft, the electric energy output end of test generator passes through electrical energy transformer successively, power measuring tries generator and is electrically connected with accompanying, described controller is connected with electrical energy transformer with power measuring.
Further improvement as technique scheme:
Describedly accompany examination generator, gear case, test generator, a Power close transmission ring is formed between electrical energy transformer and power measuring, the loading power of test generator determines by accompanying the output power of examination generator, the working speed of test generator is realized by the rotating speed of inverter control motor, test generator tries generator and is generator in wind power generating set to be tested with accompanying, difference is that test generator is set to power generation mode, examination generator is accompanied to be set to electric model, controller needs the output power of adjustable electrical energy transformer according to test, the output power of electrical energy transformer determines the power input of accompanying examination generator, controller obtains the power input of accompanying examination generator by the output signal of readout power tester, described gear case is the ratio gear casees such as one-level, the power of described motor is much smaller than the power of described test generator.
Compared with prior art, the utility model has the advantage of:
Large-scale Wind Turbines usability test device of the present utility model, by adopting same power, same model, be set to electronic mode of operation accompany examination generator as the loader of test generator, avoid the high-power charger of development; By accompanying examination generator, gear case, test generator, building Power close transmission ring between electrical energy transformer and power measuring, decrease the energy ezpenditure in genset usability test process; By the rotating speed of inverter control motor, achieve the simulation of test generator different operating rotating speed, have simple and compact for structure, energy loss is little, the test findings accurately advantage such as reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the structural representation of another embodiment of the utility model.
Marginal data:
1, frequency converter; 2, motor; 3, examination generator is accompanied; 4, power measuring; 5, controller; 6, electrical energy transformer; 7, gear case; 8, generator is tested.
Embodiment
For the ease of understanding the utility model, hereafter will do to describe more comprehensively, meticulously to the utility model in conjunction with Figure of description and preferred embodiment, but protection domain of the present utility model is not limited to following specific embodiment.
As depicted in figs. 1 and 2 (in each figure, dotted line represents electrical connection, solid line represents mechanical connection), Large-scale Wind Turbines usability test device embodiment of the present utility model, comprise frequency converter 1, threephase asynchronous 2, accompany examination generator 3, power measuring 4, controller 5, electrical energy transformer 6, gear case 7 and test generator 8, motor 2 is electrically connected with frequency converter 1, the rotating speed of motor 2 is controlled by frequency converter 1, the output terminal of motor 2 is connected with the input shaft of the ratio gear casees 7 such as one-level, the output shaft of gear case 7 has two terminations, examination generator 3 and test generator 8 is accompanied to be fixedly connected on the two ends of gear case 7 output shaft respectively by flange or shaft coupling, the electric energy output end of test generator 8 is successively by electrical energy transformer 6, power measuring 4 tries generator 3 and is electrically connected with accompanying, controller 5 is connected with electrical energy transformer 6 with power measuring 4.
In the present embodiment, test generator 8 try generator 3 and is generator in wind power generating set to be tested with accompanying, and same model, same to power, but tests generator 8 and be operated in power generation mode, accompany examination generator 3 to be operated in electric model, avoid the development of high-power charger.
In the present embodiment, accompany examination generator 3, gear case 7, test generator 8, between electrical energy transformer 6 and power measuring 4, form a Power close transmission ring, the energy ezpenditure in usability test process can be reduced, therefore in the utility model, the power of motor 2 only need be greater than because of the wasted power that friction and lubrication cause in test unit, and much smaller than testing the power of generator 8.
In the utility model, controller 5 needs the output power of adjustable electrical energy transformer 6 according to test, the output power of electrical energy transformer 6 determines the power input of accompanying examination generator 3, and controller 5 obtains the power input of accompanying examination generator 3 by the output signal of readout power tester 4.The loading power of test generator 8 determines by accompanying the output power of examination generator 3, the rotating speed that different rotating speeds during test generator 8 real work controls motor 2 by frequency converter 1 realizes, and the ratio gear casees 7 such as one-level ensure that the rotating speed of test engine 8 is identical with the rotating speed of motor 2.The utility model structure is simple, does not need to develop high-power charger, effectively reduce the energy ezpenditure in process of the test, and test findings is accurately reliable.
In the present embodiment, frequency converter 1 and motor 2 both can be positioned at the side of accompanying examination generator 3, as shown in Figure 2; In another embodiment, also can be positioned at the side of test generator 8, as shown in Figure 1.
In the present embodiment, the output power of frequency converter 1 is 10KW, and the output power of motor 2 is 10KW, the power of accompanying examination generator 3 is 2MW, and the range of power measuring 4 is 5MW, and controller 5 is industrial computer, the power of electrical energy transformer 6 is 5MW, and the power of test generator 8 is 2MW.
During test, actuating motor 2, motor 2 drives test generator 8 by gear case 7 and accompanies examination generator 3 to work; After the working speed of whole test unit is stable, the output signal of controller 5 readout power tester 4, obtains the power input of accompanying examination generator 3; According to test needs, the output power of electrical energy transformer 6 is regulated by controller 5, thus change the output power of accompanying examination generator 3, and then change the loading power of test generator 8, to complete the different test loading Large-scale Wind Turbines serviceability under power; According to test needs, changed the working speed of motor 2 by frequency converter 1, thus change the working speed of test generator 8, to complete the test of Large-scale Wind Turbines serviceability under different operating rotating speed.
Claims (6)
1. a Large-scale Wind Turbines usability test device, it is characterized in that: comprise frequency converter (1), motor (2), accompany examination generator (3), power measuring (4), controller (5), electrical energy transformer (6), gear case (7) and test generator (8), described motor (2) is electrically connected with frequency converter (1), the output terminal of motor (2) is connected with the input shaft of gear case (7), described two ends of accompanying examination generator (3) and test generator (8) to be installed in gear case (7) output shaft respectively, the electric energy output end of test generator (8) is successively by described electrical energy transformer (6), power measuring (4), try generator (3) and be electrically connected with accompanying, described controller (5) is connected with electrical energy transformer (6) with power measuring (4).
2. Large-scale Wind Turbines usability test device according to claim 1, it is characterized in that: described in accompany examination generator (3), gear case (7), test generator (8), between electrical energy transformer (6) and power measuring (4) form a Power close transmission ring, test generator (8) loading power by accompany examination generator (3) output power decision.
3. Large-scale Wind Turbines usability test device according to claim 1, is characterized in that: the rotating speed that the working speed of described test generator (8) controls motor (2) by frequency converter (1) realizes.
4. Large-scale Wind Turbines usability test device according to claim 1 and 2, it is characterized in that: described test generator (8) is tried generator (3) and is generator in wind power generating set to be tested with accompanying, difference is that test generator (8) is set to power generation mode, accompanies examination generator (3) to be set to electric model.
5. Large-scale Wind Turbines usability test device according to claim 1, it is characterized in that: described controller (5) needs to regulate the output power of electrical energy transformer (6) according to test, the output power of electrical energy transformer (6) determines the power input of accompanying examination generator (3), and controller (5) obtains the power input of accompanying examination generator (3) by the output signal of readout power tester (4).
6. Large-scale Wind Turbines usability test device according to claim 1, is characterized in that: described gear case (7) is the ratio gear casees such as one-level, and the power of described motor (2) is much smaller than the power of described test generator (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520423406.0U CN204740137U (en) | 2015-06-18 | 2015-06-18 | Large -scale wind generating set work performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520423406.0U CN204740137U (en) | 2015-06-18 | 2015-06-18 | Large -scale wind generating set work performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204740137U true CN204740137U (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520423406.0U Withdrawn - After Issue CN204740137U (en) | 2015-06-18 | 2015-06-18 | Large -scale wind generating set work performance test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204740137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931265A (en) * | 2015-06-18 | 2015-09-23 | 湖南工程学院 | Large wind generating set work performance test device and test method thereof |
| CN113669215A (en) * | 2021-08-25 | 2021-11-19 | 江苏星特莱新能源科技有限公司 | Wind driven generator test system |
| CN113790886A (en) * | 2021-04-23 | 2021-12-14 | 重庆大学 | Method for testing wind resistance power loss of gear system |
-
2015
- 2015-06-18 CN CN201520423406.0U patent/CN204740137U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931265A (en) * | 2015-06-18 | 2015-09-23 | 湖南工程学院 | Large wind generating set work performance test device and test method thereof |
| CN113790886A (en) * | 2021-04-23 | 2021-12-14 | 重庆大学 | Method for testing wind resistance power loss of gear system |
| CN113790886B (en) * | 2021-04-23 | 2023-08-29 | 重庆大学 | Wind resistance power loss testing method for gear system |
| CN113669215A (en) * | 2021-08-25 | 2021-11-19 | 江苏星特莱新能源科技有限公司 | Wind driven generator test system |
| CN113669215B (en) * | 2021-08-25 | 2022-05-10 | 江苏星特莱新能源科技有限公司 | Wind driven generator test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151104 Effective date of abandoning: 20171201 |