Internal overvoltage is called switching overvoltage or resonance overvoltage, and it threatens the safe operation of electrical equipment and the personal security of operating personnel.
内部过电压又称操作过电压或谐振过电压，对电气设备的安全运行和操作人员的人身安全构成严重威胁。
When bearing operating voltage, switching overvoltage or atmospheric over-voltage in the process of operating, the transmission line are likely to occur insulation flashover accident.
输电线路在运行过程中承受工作电压、操作过电压或大气过电压时，都可能会发生绝缘闪络事故。
It connected with electric power net has been operating, function and structure of the system can satisfy operating request and actively reduce switching overvoltage of shunt capacitors.
经试验和挂网试运行考核，装置性能与结构均满足运行的要求，能有效降低电容器组操作过电压。
It connected with electric power net has been operating, function and structure of the system can satisfy operating request and actively reduce switching overvoltage of shunt capacitors.
经试验和挂网试运行考核，装置性能与结构均满足运行的要求，能有效降低电容器组操作过电压。
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