合闸电阻,closing resistor
closing resistance合闸电阻
1.In order to make the measurement ofclosing resistance on circuit breaker safe,simple, accurate and highly efficient during annual preventive test, the paper suggests a new method to measure theclosing resistance on the circuit breaker by injecting high frequency current to measure it during the instant of closing.为了使断路器年度预防性试验中合闸电阻的测量工作变得安全、简便、准确、高效,文章提出一种采用高频电流注入法测量断路器合闸电阻的新方法,利用断路器合闸动作的瞬间过程测量其合闸电阻,根据这种测量原理开发了一套“GN-HZ15型断路器合闸电阻测试仪”。
2.Meanwhile,the influence ofclosing resistance in circuit breaker was discussed.为找出该事故的原因,利用Fortran语言和MATLAB软件详细计算该电站GIS内部的快速暂态过电压(VFTO),分析了VFTO对断路器中并联电容的危害,并讨论了断路器中合闸电阻对VFTO的影响。
3)resistance switching in电阻合闸
1.The structure and characteristics of SF6 circuit breaker were emphasized to describe, and the technical subjects needed to solve urgently, such as over-voltage restraining, contact performances, the coordination of operating time forresistance switching in and off, were put forward.综述了国际上用于特高压输电系统的高压开关设备的特点及其相关设备试验技术等问题,重点讲述了SF6断路器的结构和特点,并提出过电压抑制、触头的关合性能、电阻合闸和开断时操作时间的配合等技术课题急需解决。
4)closing/opening resistors合闸/分闸电阻
5)opening and closing resistor分合闸电阻
1.According to different models of DS, the effect ofopening and closing resistor was analyzed.以西北地区750kV官亭GIS变电站为计算原型,利用EMTP程序对40种运行方式进行数值仿真计算,建立不含分合闸电阻和含有分合闸电阻DS计算模型。
6)switching resistor合分闸电阻
1.The great overvoltage amplitude and frequency are given when disconnected switchgear hasswitching resistor.针对典型750 kV变电站GIS接线进行了多种出线和操作方式的计算研究,给出了隔离开关有合分闸电阻时的较大过电压幅值和频率,得出了不同厂家结构尺寸参数、GIS结构及内外部设备对750 kV变电站GIS中VFTO幅值和频率的影响。
延伸阅读
铂电阻温度表(见电阻温度表)铂电阻温度表(见电阻温度表)表。bod旧nZu wendubiao铂电阻温度表见电阻温
