【摘要】 本文详细分析了人体的安全电压、接地电流和对地电压、接触电压和跨步电压, 论述了电气设备的接地保护必要性。更多还原

【Abstract】 In this paper, the authors give us definitions about safe voltage, ground-connecting current, touch voltage and step voltage in details and also make a conclusion that it is the necessity of ground-connecting protection to electrical equipment.更多还原