Title The study of ferroresonance effects in electric power equipment
Journal International journal of Engineering And Applied Science
Publisher Faculty of Engineering, Nnamdi Azikiwe University, Awka Nigeria.
Issue 1
ISSN 1119-8109
Pages .
Subject Electrical Engineering
Date of Publication 2010

AUTHOR(S) O.A. Ezechukwu and J.O. Ikelionwu


Ferroresonance causes overvoltages and overcurrents which may jeopardize the safety of power system equipment. In this paper, a comprehensive study of the phenomenon was made using a 3 phase,core type,100kva,33/0.415kv Dy11 power transformer and Matlab simulations. Atani injection substation, in Onitsha, was taken as a model and parameters were taken from there for the studies. The results show that ferroresonce can cause dangerous over voltages and overcurrents in core type transformers. Methods of mitigating ` ferroresonance effects in power system equipment are also suggested

Keywords: Ferroresonsce,over-voltage,transformer,power system..

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