A comparative study on inter-tern short circuit fault of PMSM using finite element analysis and experiment

Permanent magnet synchronous machines (PMSM) are used in many applications, Inter-turn short fault is the most probably fault in permanent motor. The motor we use in this research is a 3-phase, 10-pole, 12-slot PMSM machine. Model the motor by using MAXWELL 14, the waveform and the frequency spectrum of stator current under normal and inter-turn short-circuit fault condition is given out. In order to verify the result, we conducted experiments on normal and fault motors by using LabVIEW. Obtain the waveform and the frequency spectrum of stator current under normal and inter-turn short-circuit fault condition. The research was under no load and load condition. The comparison result shows that the simulation result is correct and FEA method is an effective method to study the inter-tern short circuit fault of PMSM.