本系统为确保可靠工作和安全运行，设置了软起动、过电压、过电流和过热等保护环节。
To insure reliable operation and safe motion, the soft start, the overvoltage, overcurrent, and overheating protection are installed at the system.
因此必须采取适当的保护措施以避免因过电压及其所产生的过电流对传输线路、通信设备和人员造成的危害。
They must take the appropriate protective measures in order to avoid over-voltage and over-current generated by the transmission lines of communications equipment and personnel hazards.
分析了中性点接地电容器组内部故障时的内部过电压和相电流变化，并给出了相应计算公式。
This paper analyses the internal overvoltage and the phase current of grounded wye shunt capacitor bank when there are failures in it, and gives corresponding equations.
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