【摘要】 结合建筑工程施工现场实际，从安全、可靠性和经济、合理性诸方面对三相四线制低压电力系统的各种接地、接零保护系统和漏电保护系统的设置进行了比较分析。提出了一个具有普遍实际意义的防触电保护系统构造模式。更多还原

【Abstract】 Taking into the consideration of actual conditions of construction site, the article hascompared and analysed various earth systems and leak protective systems of low-voltagepower system in the aspects of safety’, reliability, economy, and reasonableness. After athorough discussion, it has also put forward a generally practical structural model of protective system against electric shock.更多还原