大型石化企业6～10kV配电网中性点经低电阻接地的探讨

Discussion about Neutral-point Low Resistance Grounding in 6~10 kV Distribution Network of Large-scale Petrochemical Company

文章介绍了石化企业6～10 kV配电网中性点常用接地方式的结线及主要特点,探讨了大型石化企业6～10 kV配电网中性点采用经低电阻接地方式的可行性,接地电阻及接地变压器的选择。

The paper introduced the wiring and main feature of commonly used grounding methods of neutral-point of 6～10 kV distribution network of petrochemical company,and discussed the feasibility for neutral-point low resistance grounding in 6～10 kV distribution network of large-scale petrochemical company,the selection of grounding resistance and grounding transformer.