摘要
直流系统作为变电站继电保护及安全自动装置、控制、信号、事故照明等系统的电源供给,直流系统的可靠运行对变电站的安全运行起着至关重要的作用。直流系统的常见故障就是直流接地。就如何查找直流系统接地故障做出了分析,并就如何有效防范直流接地故障的发生提出些措施。
A DC system is used a power supply for the substation relay protection, safe automation device, control and signral and so on. The reliable operation of the DC system plays an important part in the safe operation of the substation. Gommon faults of the DC system are DC grounding. The paper analyzes how to find out DC system earth fault and puts forward some measures.
出处
《电气开关》
2013年第1期7-9,共3页
Electric Switchgear
