单相接地故障(K(1)故障)
single phase grounding fault
低真空空气测微仪
low vacuum air micrometer
智能报警和故障空位系统
intelligent alarm and fault location system
126kV双断口真空断路器
126 kV double-break vacuum circuit breaker
20kV户外柱上真空断路器
20 kV outdoor on-post vacuum circuit breaker
24kV户外高压交流真空断路器
24 kV outdoor high-voltage AC vacuum circuit breaker