Novel megawatt wind generating set testing system and testing method thereof
A technology of wind power generating set and test system, which is applied in the direction of motor generator testing, measuring electricity, and measuring electrical variables, etc. Problems such as the inability to monitor the test status in real time, achieve strong compatibility and scalability, and meet the multi-faceted and test-required effects
Inactive Publication Date: 2010-11-10
INNER MONGOLIA GEOHO ENERGY EQUIP
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The invention provides a novel megawatt wind generating set testing system and a testing method thereof. Energy provided by a power system provides electric energy for a double shaft-extension dragging motor by a series of devices; then the dragging motor drives a tested set to operate by a series of devices such as a wind wheel simulator and the like; and the electric energy generated by the tested set is returned to a distribution transformer by a series of devices so that energy feedback is realized. The tested set can simulate the characteristics of a wind turbine under different wind conditions by means of the wind wheel simulator and the output characteristics of the tested set can be detected by the testing system. Meanwhile, the low voltage ride through (LVRT) performance of the tested set can be tested by arranging an LVRT device in the feeding link. The system has the advantages of electric energy saving, flexible configuration and wide applicable power range, capability of testing the control performance and the output power characteristics of the tested set, capability of detecting the low voltage ride through (LVRT) capability of the tested set by adopting the LVRT device, strong compatibility and expansibility and capability of knowing the testing conditions on site in time and meeting multidirectional testing requirements.
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