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Paper Details

Paper Title
Relay coordination of Industrial plant
Relay coordination is one of the integral parts of power system analysis in industrial power system. Any new plant is being plane or existing plant load demand increases protection devices coordination is required for selective and fast isolation of faulty section without affecting remaining area. Short circuit analysis is the pre requisite for relay coordination as short circuit current is required for relay setting. In this paper, relay coordination of 6.6 kV industrial plants is presented using Electrical Transient Analysis Program -7.5.5(ETAP). Symmetrical breaking current at different nodes of power systems are used relay coordination. The plant is supplied by two existing generators of 16.5 MW and one more generators of 11.8 MW are newly installed. Black start facilities of TG’s are provided by external grid support. Existing load of 17.5 MW is expanded to 24 MW. Load flow analysis and short circuit study of this plant have been conducted and it is suggested G2 and G3 configuration of generation. Therefore, protection coordination is performed for G2+G3 configurations using ETAP.
Relay coordination, ETAP, Phase Fault, Earth fault, Relays
Others Details
Paper Id : 59595
Author Name : Parmar Ashokkumar Bhikhubhai
Volume/Issue No : Volume 05 Issue 03
Page No : 50-58
DOI Number : DOI:10.21090/IJAERD.59595
Publication Date : 2018-03-07
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website :
Impact Factor : 4.72, SJIF-2016
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406