【作者】 刘玉敏； 田库； 张艳霞； 陈超英；

【Author】 LIU Yu-min, TIAN Ku, ZHANG Yan-xia CHEN Chao-ying(Tianjin University of Technology and Education, 300222 Tianjin University 300072)

【机构】 天津工程师范学院； 天津大学；

【摘要】 依据目前电力市场的需要及现有输电线路微机保护的现状,本文开发研制出一套适合于35KV小电流接地电网的微机线路保护装置。主要介绍该装置的功能配置、硬件结构和保护算法。该产品保护功能完善,运行维护方便,在35kv电网线路中应用具有一定的优越性.更多还原

【Abstract】 According as the need of power market and the actuality of microcomputer-based line protection (MBLP), a set of MBLP device for 35kv low current neutral grounding networks is developed. Its functional configuration, hardware structure and protection algorithm are introduced in this paper. The device has perfect protective functions, and can be easily run and attended. It has many advantages in being used in 35kv low current neutral grounding networks.更多还原