增强新能源集电线零序保护动作可靠性的探索与研究  

Exploration and Research on Improving the Reliability of Zero Sequence Protection for New Energy Gathering Lines

作　　者：刘杰 王志军 何志豪 童刚 LIU Jie;WANG Zhijun;HE Zhihao;TONG Gang(China Resources Power(Yichang)Co.,Ltd.,Yichang 443000,China)

机构地区：[1]华润电力(宜昌)有限公司,湖北宜昌443000

出　　处：《通信电源技术》2022年第10期23-25,共3页Telecom Power Technology

摘　　要：随着新能源发电机组容量不断增长,输配电设备也越来越多,集电线作为重要的电力输送设备,其安全稳定运行成为风电场运营管理重点关注的问题。通过实例阐述风力发电场35 kV系统集电线零序保护误动分析及治理,提出增强能源集电线零序保护动作可靠性的策略。As the capacity of new energy generating units continues to grow,so does the transmission and distribution equipment.As an important power transmission equipment,the safe and stable operation of the collector wires becomes a key concern for the operation and management of wind farms.The analysis and management of zero-sequence protection misoperation of 35 kV system collector wires in wind farms are explained by examples,and strategies to enhance the reliability of zero-sequence protection operation of energy collector wires are proposed.

关 键 词：新能源 集电线 短路 电容电流 零序保护 

分 类 号：TM773[电气工程—电力系统及自动化]