摘要
With the development of power systems,a large number of shunt capacitors are used to improve power quality in the distribution network.The shunt capacitor banks are operated much frequently,as a result,the capacitor banks will bear large numbers of over-voltage inevitably.If the over-voltage exceeds certain amplitude,the capacitor will be damaged.This paper aims at the capacitor banks in the 35 kV side of Shanghai Xu-xing 500 kV substation,and applies ATP-EMTP to simulate the over-voltages generated by operating the switches under different angles of the source.Finally,according to the results of simulation and theoretical analysis,a best choice(i.e.angles of the source) to switch on capacitor banks is proposed.In this case the over-voltage on the capacitor will be limited to lowest.
With the development of power systems, a power quality in the distribution network. The shunt result, the capacitor banks will bear large numbers large number of shunt capacitors are used to improve capacitor banks are operated much frequently, as a of over-voltage inevitably. If the over-voltage exceeds certain amplitude, the capacitor will be damaged. This paper aims at the capacitor banks in the 35 kV side of Shanghai Xu-xing 500 kV substation, and applies ATP-EMTP to simulate the over-voltages generated by operating the switches under different angles of the source. Finally, according to the results of simulation and theoretical analysis, a best choice （i.e. angles of the source） to switch on capacitor banks is proposed. In this case the over-voltage on the capacitor will be limited to lowest.
出处
《高压电器》
CAS
CSCD
北大核心
2011年第9期37-43,共7页
High Voltage Apparatus
基金
supported of the Fundamental Research Founds for the Central Universities
