Title :
Design of the control system for thyristor switched capacitor devices
Author :
Jianhua, Zhang ; Dai Guanping ; Gang, Xiao ; Jie, Zhao ; Hui, Zhang ; Shuying, Wang
Author_Institution :
Dept. of Electr. Eng., North China Electr. Power Univ., Beijing, China
Abstract :
A thyristor switched capacitor (TSC) device applied in 6 to 10 KV power distribution systems is described in the paper, which can switch on the capacitors without over inrush current and switch off at the instant when current is reduced to zero. The conditions of non-transient switch on/off are discussed first, and a voltage detecting principle for the medium voltage TSC is introduced. The proposed TSC is simple in structure. On-site test result shows that the zero-voltage detect method is correct and reliable, and the switch-on performance is satisfactory.
Keywords :
capacitor switching; control system synthesis; power distribution control; switched capacitor networks; thyristors; 6 to 10 kV; control system design; inrush current; medium voltage; nontransient switch; power distribution systems; thyristor switched capacitor devices; zero-voltage detect method; Control systems; Frequency; Medium voltage; Power system reliability; Reactive power; Surges; Switched capacitor circuits; Switched capacitor networks; Switches; Thyristors;
Conference_Titel :
Transmission and Distribution Conference and Exposition, 2003 IEEE PES
Print_ISBN :
0-7803-8110-6
DOI :
10.1109/TDC.2003.1335345
