Title :
Inrush current analysis for switching large shunt capacitor bank in a 230 kV substation system
Author :
Patcharoen, T. ; Ngaopitakkul, A. ; Pothisarn, C.
Author_Institution :
Dept. of Electr. Eng., King Mongkut´s Inst. of Technol. Ladkrabang, Bangkok, Thailand
Abstract :
This paper presents the simulation and investigation of switching large shunt capacitor bank in a 230kV Thailand substation system. Simulation is performed using PSCAD/EMTDC. The inrush current is generated by energizing of the 4×72 Mvar, 230 kV shunt capacitor banks. The purpose is to observe the inrush current to ensure safe and successful operations of the shunt capacitor banks. In addition, the effects of parameters such as sizing of current limiting reactor (CLR), pre-insert resistor (PIR) and 6% detuning reactor are investigated. The results of simulations are shown that the 6% detuning reactor can reduce inrush current more than other methods.
Keywords :
capacitor switching; current limiting reactors; resistors; substations; CLR; PSCAD-EMTDC; Thailand substation system; current limiting reactor; detuning reactor; inrush current analysis; preinsert resistor; switching large shunt capacitor bank; voltage 230 kV; Capacitors; Inductors; Limiting; Surges; Switches; Transient analysis; Voltage control;
Conference_Titel :
Electrical Machines and Systems (ICEMS), 2013 International Conference on
Conference_Location :
Busan
Print_ISBN :
978-1-4799-1446-3
DOI :
10.1109/ICEMS.2013.6713264