Effect of shunt capacitance on ferroresonance model for distribution Voltage Transformer

Author

Malek, Zulkurnain Abd ; Mirazimi, S.J. ; Mehranzamir, Kamyar ; Salimi, Behnam

Author_Institution

Inst. of High Voltage & High Current (IVAT), Univ. Teknol. Malaysia (UTM), Skudai, Malaysia

fYear

2012

fDate

23-26 Sept. 2012

Firstpage

124

Lastpage

129

Abstract

This paper presents a study of the ferroresonance phenomena occurring on Voltage Transformer (VT) of 132 kV substation at PMU Kota, Malaysia. Ferroresonance is a complex non-linear electrical phenomenon that can make dielectric and thermal problems to the electric power device. It causes overcurrent and overvoltage that is harmful for electrical apparatuses. The analysis is made by The Alternative Transients Program (ATP) which is a version of Electromagnetic Transients Program (EMTP) simulation compare with experimental events. The impact of changing the values of shunt capacitor (C_shunt) has been considered. The purpose of these kinds of simulations is to determine the range of the shunt capacitance value within which the ferroresonance is likely to occur.

Keywords

EMTP; capacitance; ferroresonance; overcurrent protection; overvoltage protection; phasor measurement; potential transformers; power apparatus; transformer substations; ATP; EMTP; PMU; alternative transients program; dielectric problem; distribution voltage transformer; electric power device; electrical apparatus; electromagnetic transients program; ferroresonance phenomena; nonlinear electrical phenomenon; overcurrent; overvoltage; shunt capacitance effect; shunt capacitor; substation; thermal problem; voltage 132 kV; Capacitor; EMTP; Ferroresonance; Over-currents; Over-voltages; Voltage Transformers;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics and Applications (ISIEA), 2012 IEEE Symposium on

Conference_Location

Bandung

Print_ISBN

978-1-4673-3004-6

Type

conf

DOI

10.1109/ISIEA.2012.6496613

Filename

6496613