Large wind generating set work performance test device and test method thereof
A technology for wind turbines and work performance, which is applied in the direction of engine testing, measuring devices, testing of machine/structural components, etc., to achieve the effects of simple and compact structure, accurate and reliable test results, and reduced energy consumption
Active Publication Date: 2015-09-23
HUNAN INSTITUTE OF ENGINEERING
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Problems solved by technology
The difficulty lies in: on the one hand, a high-power loader with a maximum output power of megawatts is required; on the other hand, it is necessary to reduce the energy consumption during the test as much as possible
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[0018] In order to facilitate the understanding of the present invention, the present invention will be described more fully and in detail below in conjunction with the accompanying drawings and preferred embodiments, but the protection scope of the present invention is not limited to the following specific embodiments.
[0019] Such as figure 1 with figure 2 As shown (in each figure, the dotted line represents the electrical connection, and the solid line represents the mechanical connection), the embodiment of the large-scale wind power generating set working performance test device of the present invention includes a frequency converter 1, a three-phase asynchronous motor 2, a test generator 3, Power tester 4, controller 5, power converter 6, gear box 7 and test generator 8, motor 2 is electrically connected to frequency converter 1, the speed of motor 2 is controlled by frequency converter 1, the output terminal of motor 2 is connected to the first stage The input shaft ...
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The invention discloses a large wind generating set work performance test device and method. The device comprises an inverter, a motor, an assistant test generator, a power tester, a controller, a power transformer, a gear box and a test generator. The motor is electrically connected with the inverter, and is connected with a gear box input shaft. The assistant test generator and the test generator are arranged on both ends of a gear box output shaft. The power output end of the test generator is electrically connected with the assistant test generator through the power transformer and the power tester. The controller is connected with the power tester and the power transformer. The operation speed of the test generator is realized through the inverter which controls the rotation speed of the motor, and the load power is determined by the output power of the assistant test generator. The method adjusts the rotation speed of the motor through the inverter, adjusts the output power of the power transformer through the controller, adjusts the operation speed and the output power of the test generator, has the advantages of small energy loss, accurate and reliable test result and the like, and does not need additional development of a high power loading device.
Description
technical field [0001] The invention relates to a working performance test device of a large-scale wind generating set, in particular to a working performance testing device and a testing method of a large-scale wind generating set with a power of megawatt level. Background technique [0002] The working environment of the wind power generating set is harsh, and the wind power generating set is required to have high working reliability. In order to fully test the working performance of wind turbines, it is necessary to carry out work performance tests of wind turbines under different load powers and different operating speeds. For large-scale wind turbines with a power of megawatts, it is difficult to carry out work performance tests of wind turbines indoors under different load powers and different operating speeds. The difficulty lies in: on the one hand, a high-power loader with a maximum output power of megawatts is required; on the other hand, it is necessary to reduce...
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Inventor 黄中华谢雅
Owner HUNAN INSTITUTE OF ENGINEERING