并联开关并联开关是连接发电机组和应急母排的线路断路器，所有的单个发电机通过它完成同步运行。
Paralleling breaker a paralleling breaker is the circuit breaker that connects the generator set to the emergency bus, and across which all the individual generator synchronizing functions occur.
同步关合是指断路器动、静触头在系统电压波形的指定相角处关合，以减小合闸操作的过电流和过电压的一种智能操作技术。
Synchronous closing is an intelligent control technique. It can make the moving and stationery contact-header of circuit breaker to close on the specified phase angle of the power system voltage wave.
分析了断路器绝缘特性和合闸时间分散性对并联电容器组同步关合的影响；
This paper analyses the influences of the closing time scatter and dielectric characteristic of circuit breaker on synchronous energizing shunt capacitor banks.
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