电气技术  2020, Vol. 21 Issue (5): 55-57    DOI:
研究与开发 |
含分布式电源的配电网方向保护研究
贾贞, 张维, 彭松
珠海许继电气有限公司,广东 珠海 519000
Research on directional protection of distribution network with distributed power
Jia Zhen, Zhang Wei, Peng Song
Zhuhai Xuji Electric Co., Ltd, Zhuhai, Guangdong 519000
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摘要 本文对含分布式能源配电保护进行了深入地分析,结合可能造成双向配电网故障的原因,提出了基于正序电流相位变化的故障方向元件判别方法,经过试验验证能够准确判别故障发生的区段,具有一定的推广价值,为含有分布式可再生能源的电力系统安全、稳定运行提供了一种保护方法。
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关键词 配电终端配电网方向保护故障    
Abstract:In this paper, the in-depth analysis of power distribution protection with distributed energy is combined with the possible causes of bidirectional power distribution network faults. A method for discriminating fault direction components based on the positive-sequence current phase change is proposed. It is verified through experiments that the fault can be accurately identified Section, which has certain practical promotion value, and provides a protection method for the safe and stable operation of power systems containing distributed renewable energy.
Key wordsdistribution terminal    distribution network    directional protection    fault   
收稿日期: 2019-11-14     
作者简介: 贾 贞(1984-),女,陕西省西安市人,硕士,工程师,主要从事配电网一二次成套设备的研发与科研管理工作。
引用本文:   
贾贞, 张维, 彭松. 含分布式电源的配电网方向保护研究[J]. 电气技术, 2020, 21(5): 55-57. Jia Zhen, Zhang Wei, Peng Song. Research on directional protection of distribution network with distributed power. Electrical Engineering, 2020, 21(5): 55-57.
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https://dqjs.cesmedia.cn/CN/Y2020/V21/I5/55