Abstract
In order to research the possibility of Motor Current Signature Analysis (MCSA) applied to fault diagnosis of double fed wind turbine generator system and overcome the defect of sensor stalled installed inconveniently with regular vibration inspection method constructs a simulation model of double fed wind turbine generator with SIMULINK, which uses PWM module for stator excitation and the signal of rotating speed and torque of external dynamic changes to simulate the fault of wind turbine motor transmission system, and then verifying the accuracy of fault features of stator current when generator system has fault by emulating and analyzing the response process of signal in the stator current of generator with different situations.
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