过电压防护是为避免电力系统中过电压造成电器设备绝缘破坏而采取的防护措施。
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串混型SPD是铁路信号系统过电压防护的新用法。
The series mixed SPD is a new method of using for the railroad signal system of over voltage protection.
在一幢建筑里，我们如何防护过电压转换？
In a building, how do we provide for protection against overvoltage switching?
阐述了加强远动设备防雷及过电压保护的紧迫性，并提出了具体的防护措施。
The urgency of strengthening lightning and over-voltage protection of telecontrol equipment is expounded with specific measures presented.
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