变电站二次系统独立地网及接地设计的认识.pdf
文档页数：2文档大小：2.59MB文档格式：pdf90 当代化工研究 百家争鸣 2016·12 变电站二次系统独立地网及接地设计的认识 ★陈莉 (江西恒泰电力勘测设计有限公司江西330096) 摘要:电力能源作为现代社会的重要能源,与人们的生活、工作联系紧密。随着社会经济的进一步发展,对于电力系统运行稳定性和安 全性提出了更高的要求。就目前变电站的二次系统接地模式而言,普遍设计为一次系统、二次系统共同使用同一接地网的连接形式,如一 次系统发生雷击故障,就容易对二次系统造成影响。笔者从电源接地的实际影响入手,就二次系统独立接网的设计,发表几点看法,以供 相关单位参考。 关键词:变电站;二次系统;独立地网接地设计 中图分类号:T文 文献标识码:A Cognition of the Independent Grounding Grid and Grounding Design for TransformerSubstation Secondary SystemChen LiJiangxi Hengtai Electric Power Survey and Design Co .,Itd ,Jiangxi ,330096:Electric energy ,as an important energy in modern society ,is closely linked to people's life and work .With the further developmentof social economy ,the higher requirements have been put forward for the stability and safety of power system running .In terms of the grounding modeof current transformer substation secondary system ,the mon design is that the primary system and the secondary system use the connectionof the same grounding network ,for example ,if the primary system has the lightning strike fault ,it is easy to cause influence on the secondary systemStarting from the practical influence of power ground ,the author has explained several opinions about the design of secon...
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