TITLE:
The Research on the Quick Discharge Circuit of Shunt Capacitor
AUTHORS:
Shuheng Dan, Lei Ning
KEYWORDS:
Discharge Coil; Discharge Property; Capacitor
JOURNAL NAME:
Journal of Power and Energy Engineering,
Vol.2 No.4,
April
23,
2014
ABSTRACT: Shunt capacitor is the main method to intensively compensate reactive power in the power system. The external discharge circuit, commonly discharge coil which is an inductance coil with low resistance, must be allocated to the large capacity of capacitor. This paper calculates and compares two kinds of circuit, capacitor placed with a discharge coil or a resistance, to find the best way to discharge the residual charge of capacitor. Through the study, in the under damped case, these two kinds of circuit present different discharge properties. In over damped mode, their discharge properties are similar.