断条故障对三相异步电动机磁场和电磁转矩的影响

D. V. Spyropoulos, K. Gyftakis, J. Kappatou, E. Mitronikas
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引用次数: 16

摘要

断条故障在感应笼式电动机中很常见,并可引起各种问题。这就是人们不断研究快速检测技术的原因。本文采用异步笼型电动机和有限元分析方法,研究了断条故障对异步电动机电磁特性的影响。在此基础上,建立并研究了两种模型:健康模型和带断条断层的模型。此外,提出了一种通过电磁转矩监测检测转子断条故障的新方法。
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The influence of the broken bar fault on the magnetic field and electromagnetic torque in 3-phase induction motors
Broken bar faults are common in induction cage motors and can cause a variety of problems. This is the reason why there is continuous research on techniques for prompt detection. In this work a study of the influences of the broken bar fault to the electromagnetic characteristics of the induction motor is presented, using an asynchronous cage motor and FEM analysis. To this direction two models have been created and studied: a healthy one and a model with a broken bar fault. Additionally, a new approach on the detection of the broken rotor bar fault through the electromagnetic torque monitoring is suggested.
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