The direct current system is an important component of the transformer substation, but its grounding is a common defect.

直流系统是变电站一个重要的组成部分，直流系统接地是常见的缺陷。

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This paper introduces the common grounding, expounds the principle of the system grounded, analysis of the electrical and electronic equipment grounding of the special.

该文介绍了常用接地方式，阐述了系统接地的原则，分析了电子电气设备接地的特殊性。

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