广东电力Issue(12)：124-128,5.DOI:10.3969/j.issn.1007-290X.2015.12.024
整流站无接地极运行时接地极保护优化研究
Research on Optimization of Earthing Pole Protection when no Earthing Pole Operation in Rectifier Station
陈帆 1赵婉雯1
作者信息
- 1. 中国南方电网超高压输电公司昆明局，云南 昆明 650217
- 折叠
摘要
Abstract
When rectifier station loses earthing pole,the direct current (DC)power transmission system may still keep long-time bipolar operation by means of instation earthing mode,but in view of security factor,it is needed to carry out necessary optimization on traditional earthing pole protection. Therefore,this paper analyzes optimizing and setting principles of earthing pole protection in no earthing pole operation mode by working out bound of earth current of the instation grounding network that may meet requirements for equipments and safety of person at the time of rectifier station running,and accord-ing to bipolar running characteristic of being without earthing pole operation. It also proposes optimizing and setting scheme and anti-malfunction measures for reducing earthing pole protection of instation earth current under this mode. By real-time digital simulation platform,it checks single-pole blocking earth current of the DC system before and after optimization and proves effectiveness of these optimization measures. This scheme has been verified and applied in engineering practice.关键词
直流输电/整流站/接地极/保护优化Key words
direct current power transmission/rectifier station/earthing pole/protection optimization分类
信息技术与安全科学引用本文复制引用
陈帆,赵婉雯..整流站无接地极运行时接地极保护优化研究[J].广东电力,2015,(12):124-128,5.
