提出了基于气隙转矩的鼠笼异步电动机转子断条故障在线监测方法。
The method of rotor broken bars on-line monitoring in induction motor based on the air-gap torque is proposed.
介绍了气隙转矩法的工作原理，给出了通风机效率现场测试系统的硬件组成，并阐述了效率测试过程。
Has introduced the principle of the air-gap torque method, give the hardware of the ventilator efficiency testing system and illustrated the efficiency testing process.
通过对气隙转矩的计算处理，利用小波脊线提取气隙转矩中转子断条故障特征频率分量，克服了分析定子电流信号时的不足，实现了电机转子断条故障的在线监测。
The broken bars faulty can be on-line monitored by extracting feature component based on wavelet ridge. Calculation of air-gap torque overcomes the disadvantages which based on current signal.
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