文档介绍：本科毕业设计(论文)中英文对照翻译院(系部)电气工程与自动化学院专业名称电气工程及其自动化年级班级 ,withoutthecontinuouspresenceofanattendant(operator),,thedevelopmentofautomaticreclosing,protectiverelays,,itwasnecessarythattheyhandleenoughpowertojustifytheoperator`,,astheloadonalargesubstationgrows,-circuitcurrentonthesecondarysidesometimestheshort-,,,,,thereisnoincreaseinshort-,atthedistributionlevel,,,eveninmanystationswhereanoperatorisonduty,,