机电工程技术2013年第42卷第07期 电力电网 D0I:10.3969/j.issn.1009-9492.2013.07.022 35kV环网运行线路继电保护整定计算方案分析 邓文祥，相里碧玉，万顺明，林辉 (南平电业局，福建南平353000) 摘要：分析了有环网运行的福建南山变35kV电网的结构、设备状况，概括了整定计算的运行方式、主要原则.在对本电网整 定过程中遇到的“整定顺序、边界限额、时间级差、相继动作、电流Ⅱ段时间、电流Ⅲ段值”等问题，分析了存在的原因，提 出有效的应对措施和解决方法.论证了该片电网继电保护整定方案的合理性和可行性. 关键词：继电保护；环网运行；整定计算；方案 中图分类号：TM77 文献标识码：A文章编号：1009-9492(2013)07-0077-03 Analysis of Relay Protection Coordination Solutions for 35kV Closed-Loop Running Power System Network DENG Wen-xiang XIANG LI Bi-yu WAN Shun-ming LIN Hui (Nanping Electric Power Bureau Nanping353000 China) Abstract:The construction state of equipment operation and setting principle of the 35kV Closed-loop Running power system were introduced.The cause and solutions of such as the sequence of coordination setting limit differential time limit sequential tripping time ofⅡstages current and current setting ofⅢstages were analysed.Through effeetive analyse and explain the solutions of relay protection of the 35kV Closed-loop Running power system was rational and practicable. Key words:relay protection:closed-loop running;coordination and putation;solutions 0引言 1南山片区35kV电网示意图 我国山区电网还在大量采用35kV电压等级 示意图如图1所示. 送电，35kV电网为中性点不接地系统，线路保护 2设备状况 主要配置为电...
35kV环网运行线路继电保护整定计算方案分析.pdf
