CAJ | 학술논문

合闸电阻热容量、阻值和接入时间是反映其可靠性的最直接参量。以实际参数的500 kV输电系统为计算对象，考虑多种系统工况，对断路器合闸操作时合闸电阻获得结构热进行计算分析，给出500 kV断路器合闸电阻热容量的合理范围，并对电阻值和接入时间对操作过电压的影响作定性定量分析。
합갑전조열용량、조치화접입시간시반영기가고성적최직접삼량。이실제삼수적500 kV수전계통위계산대상，고필다충계통공황，대단로기합갑조작시합갑전조획득결구열진행계산분석，급출500 kV단로기합갑전조열용량적합리범위，병대전조치화접입시간대조작과전압적영향작정성정량분석。
Thermal capacity, resistance value and current-carrying time are the most direct parameters to relfect the reliability of circuit-breaker closing resistors. Based on 500 kV AC transmission system simulation model with actual parameters, closing resistor thermal capacity under dif-ferent operation conditions was calculated and reasonable value range of 500 kV AC transmission system was put forward. At last the quantitative analysis was made to the impacts of resistance value and current-carrying time on switching overvoltage.