高电压技术2011，Vol.37Issue(1)：50-56,7.
相间功率控制器过电压及其保护的仿真分析
Analysis on the Simulation of Interphase Power Controller Over-voltage and Its Protection
摘要
Abstract
The problem of over-voltage and its protection of interphase power controller (IPC) during controlling power flow were analyzed. A mathematical model of relationship between voltage and component parameters was established based on the basic theory of IPC construction, then the reasons of over-voltage and protection component were discussed. The simulation model of two networks with IPC 240 tie-line was established to analyze the problem using the Simulink model of MATLAB. The results show that over-voltage may be caused if adjusting the parameters of IPC beyond the certain scope , the resonance over-voltage values are maximal with IPC port opening, and the most severe transient over-voltage occurs on single phase to ground for action of breakers. Consequently, metal oxide varistors (MOV) are installed at the IPC port, and IPC capacitive and inductive branch are combined with circuit breakers parallel MOV with a triggered gap and bypass circuit breaker, then over-voltage values are effectively reduced in different operation states by MOV and breakers coordinated action. The gap is triggered to protect MOV when the energy in the arresters exceeds a predetermined value.关键词
相间功率控制器(IPC)/过电压/过电压保护/氧化物限压器(MOV)/触发间隙/旁路开关/仿真分析Key words
interphase power controller(IPC)/over- voltage/over-voltage protection/metal oxide varistors (MOV)/triggered gap/bypass circuit breaker/simulation analysis分类
信息技术与安全科学引用本文复制引用
李娟,郑明,张乐斌,陈继军..相间功率控制器过电压及其保护的仿真分析[J].高电压技术,2011,37(1):50-56,7.基金项目
吉林省教育厅科研规划项目(200618). （200618）
