摘要
深入分析了配电变压器励磁涌流引起的两起10 kV线路电流保护误动事故,并结合励磁涌流的产生原理和特点,提出了防止励磁涌流引起的10 kV线路电流保护误动的措施。
Two misoperation accidents of current protection of 10 kV line caused by inrush current of distribution transformer are analyzed in depth. Combined with the producing principle and characteristics of inrush current,the measures to prevent the misoperation of 10 kV line protection caused by inrush current are put forward.
引文
[1]中华人民共和国国家发展和改革委员会.3~110 kV电网继电保护装置运行整定规程DL/T 584-2007[S].北京:中国电力出版社,2008.
[2]徐丙垠.配电网继电保护与自动化[M].北京:中国电力出版社,2017.
[3]中国南方电网电力调度通信中心,广东省电力调度中心.地区电网继电保护整定计算[M].北京:中国电力出版社,2010.