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首页> 外文期刊>IEEE Transactions on Energy Conversion >Research on Electromagnetic Noise of Claw Pole Alternators Under Stator Winding Interturn Short Circuit Faults
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Research on Electromagnetic Noise of Claw Pole Alternators Under Stator Winding Interturn Short Circuit Faults

机译：Research on Electromagnetic Noise of Claw Pole Alternators Under Stator Winding Interturn Short Circuit Faults

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摘要

This paper proposes a novel simulation method to analyze the characteristics of the electromagnetic noise of claw pole alternators under stator winding interturn short circuit faults. For the two types of faults: short circuit between two wires of the same phase and short circuit between turns of the same wire, a general circuit model built in Matlab/Simulink was introduced to obtained the phase current and output current signals. The phase current was then used as current source and the claw pole alternator was simulated as an electric motor rather than a generator to analyze the magnetic force and electromagnetic noise by using 3-D finite element method and boundary-element method, respectively. A noise bench test was conducted to verify the simulation results. It is shown that under the stator winding interturn short circuit faults, the output current harmonics and electromagnetic noise of the three-phase 12-pole/36-slot claw pole alternator would increase greatly. The 12th order noise replaces the 36th order noise as the most dominant order noise at low speed. The method proposed in this paper can also be used to diagnose the stator winding interturn short circuit faults of claw pole alternators.

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