[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZ0xLIrnQuOSwgirb1xZn1RYCjKD6hb3f21D1b0yoCeE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":29,"type":30},[],"2024-01-03 19:34:41",126301014,[8,9,10],"不接地","经消弧线圈接地","直接接地",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},199,"3a8024586448a2d46877620fa03ca08d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","电力系统基础","exam_110602404","自测202312211545","目前我国电压为220kv和大多110kv系统都采用中性点()的运行方式",[20,31,40,43,52,61,70,79,88,97],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],126301007,[24,25,26,27],"由发电机组的调速系统完成的","由发电机组的调频系统完成的","由负荷的频率特性完成的","由无功补偿设备完成的","频率的二次调整是( )","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],126301011,[35,36,37,38],"220\u002F35","220\u002F38.5","242\u002F35","242\u002F38.5","一台将220kV电压降为35kV的降压变压器连接两个网络,两侧均与线路相连,这台变压器的额定变比为",{"answer":41,"createTime":5,"id":6,"options":42,"question":18,"source":29,"type":30},[],[8,9,10],{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":29,"type":30},[],126301016,[47,48,49,50],"高压侧额定电流","低压侧额定电流","高压侧额定电流的一半","低压侧额定电流的一半","对于容量比为100\u002F100\u002F50的变压器,短路试验在高-低压时,试验电流为( )",{"answer":53,"createTime":54,"id":55,"options":56,"question":60,"source":29,"type":30},[],"2024-01-03 19:34:42",126301020,[57,58,59],"110\u002F35kv","110\u002F38.5kv","121\u002F35kv","一台110kv的双绕组变压器,一次侧接额定电压为110kv的线路,二次侧接35kv的线路,则这台变压器一二次侧的额定电压为()",{"answer":62,"createTime":54,"id":63,"options":64,"question":69,"source":29,"type":30},[],126301023,[65,66,67,68],"变压器,用户","变压器,电力线路","电缆,架空线","电阻,电容","构成电力网的主要设备有( )",{"answer":71,"createTime":54,"id":72,"options":73,"question":78,"source":29,"type":30},[],126301026,[74,75,76,77],"电纳","电感","电阻","电容","电力线路等值参数中消耗有功功率的是",{"answer":80,"createTime":54,"id":81,"options":82,"question":87,"source":29,"type":30},[],126301030,[83,84,85,86],"数值差","分值差","相量差","矢量差","电压降落指线路始末两端电压的( )",{"answer":89,"createTime":54,"id":90,"options":91,"question":96,"source":29,"type":30},[],126301035,[92,93,94,95],"高、低压侧均没有","位于低压侧","高、低压侧均有","位于高压侧","一般双绕组变压器的分接头( )",{"answer":98,"createTime":54,"id":99,"options":100,"question":105,"source":29,"type":30},[],126301039,[101,102,103,104],"正序等效定则","等耗量微增率准则","等力矩原则","等面积定则","分析简单系统的暂态稳定性,确定系统的极限切除角依据的原则是( )"]