The paper discussed the reasons of DC system earthing and introduced the attentions while finding out its reasons.
阐述直流接地的原因，介绍了直流系统接地查找原因以及在查找过程中的注意事项。
This paper puts forward magnetic balanced inspection method, and designs DC earthing inspection system based on magnetic balanced method.
本文提出了磁平衡监测方法，设计了基于磁平衡法的直流接地监测系统。
In the paper, an electrical power system of base station is introduced in detail, including AC power supply system, DC power supply system and earthing system.
文中介绍了通信基站的电源系统，包括交流供电系统、直流供电系统和接地系统，论述了等电位在基站建设中的重要性。
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