Analyze the reason of turn to turn fault of winding and introduce the interturn testing techniques to determine the stator quality of motor and propuse the solutions of improving the stator quality.

• 对绕组匝间短路的原因作了分析,重点介绍了应用匝间测试技术来判别电机定子质量,并提出了提高定子质量的措施。