alexa Development and Analysis of Radial Feeder Protection f
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Special Issue Article

Development and Analysis of Radial Feeder Protection for Capacitor Switching Transients

J.Surendar, Dr.N.Loganathan
Department of Electrical and Electronics Engineering, K.S.Rangasamy College of Technology, Tiruchengode, Tamilnadu, India
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Abstract

Transient current in power system is very common factor, due to many switching operations. This paper focusing on recovery capacitor switching transient has been proposed for system protection. It will protect from mal-operation of relay to improve the reliability of the system. During Group of generator switching, transformer switching, Series capacitor switching, Shunt capacitor switching, Tap-changing operations will cause high inrush current in radial distribution system. This work comprises of a radial feeder three phase system protection improvement deals with overcurrent relay. This approach significantly improves the performance of radial feeder protection under transient condition for the period of starting. The high inrush currents can do mal function of protective relays and it will cause a severe damage to the system and end user equipment. The series reactor load adopted to compensate current and voltage waveform problems of sensitive relays doing mal operation under transient conditions. The series reactor consists of a series inductor having a common for three phase load side. The extensive simulation results have been carried out in MATLAB/Simulink environment power system blockset toolboxes.

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