... normal voltage to ground 常规対地电圧 voltage to ground 对地电压 HVSGND High Voltage Switch Ground 高压开关接地 ...
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高压开关柜中的接地开关是作为检修时，保证人身安全，用于接地的一种机械接地装置。
The earthing switch in high-voltage switchgear is a kind of mechanical earthing device used at the time of maintenance and repair to insure the safety of personnel.
适用于户内312kv三相交流50（60）hz的电力系统内和各型号高压开关柜配套使用，亦可作为高压电器设备检修时接地用。
Apply to indoor 312 kv three-phase ac 50 (60) hz power system in various models and high-voltage switchgear supporting the use, can be as high voltage apparatus equipment maintenance with grounding.
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