Ali M El-Rifaie, Hala M Abdel Mageed
(National Institute of Standards (NIS), Giza 12211-136, Egypt)
Abstract： Open phase in three phase induction motors is a common fault that can occur as a result of a fuse blowing or a protective device failing on one phase of the motor. This paper introduces a new method,which is based on the transient measurement and can distinguish the fault of one phase connecting ground. The method has been proved to be in correspondence with the simulation results by Matlab and LabVIEW in practice. The method has merits of simplicity, accuracy and ease of use.
Key words： high voltage induction motor; transient protection; single phasing detection
CLD number： TM346 Document code： A
Article ID： 1674-8042(2014)03-0006-06 doi： 10.3969/j.issn.1674-8042.2014.03.002
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高压三相感应电机缺相检测的一种新技术
(National Institute of Standards (NIS) -Egypt)
摘要:在三相感应电机中， 缺项是一种常见的故障。 例如， 保险丝熔断或保护装置的某一相断开都会导致缺项故障。 本文介绍一种新的基于瞬态测量方法的多项感应电机缺相故障的检测方法， 该方法可以区别单相缺相和单相接地故障。 用 MATLAB 对所提出的方法进行了仿真，并用 LABView 进行了实际的试验， 通过对比， 仿真结果与实际试验是相符的。 本方法具有简单、 准确和便于应用的特点。
关键词:高压感应电机； 瞬态保护； 缺相检测
引用格式：El-Rifaie A M, Abdel-Mageed H M. A new measuring technique in detecting of high voltage three phase induction motor for single phasing. Journal of Measurement Science and Instrumentation, 2014, 5(3): 6-11. [doi: 10.3969/j.issn.1674-8042.2014.03.002]
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