A New Fault Detection Tool for Single Phasing of a Three Phase Induction Motor

被引:0
作者
Haggag, S. H.
El-Rifaie, Ali M.
Mageed, Hala M. Abdel
机构
来源
WORLD CONGRESS ON ENGINEERING - WCE 2013, VOL II | 2013年
关键词
Induction motors; Single Phasing; Digital relays;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
This paper introduces a new tool for fault detection in high voltage electrical networks; the new tool can be used by high speed digital relays to detect fault presence besides selecting the faulted phase(s). The suggested tool uses a new technique that squares both of the instantaneous voltage signal and its complement to produce a unity relation in normal operating conditions. The unity relation will remain undistorted as long as the power system is operating normally; however, the unity relation will change with any sudden change in the voltage signals due to any abnormal conditions. The suggested tool is being applied to detect the single phasing case for a three phase, high voltage induction motor. The simulation was done using Mat lab simulink, where the simulation results showed great success of the suggested tool in detecting the single phasing case for all loading conditions. The new technique is then practically applied on a three phase induction motor, where the single phasing case is successfully detected. The practical results showed compliance with the simulink results in distinguishing the single phasing fault.
引用
收藏
页码:1136 / 1140
页数:5
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