[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fIWKRVqdI1yNCutlVbPYqtZxDzfZ8v9ckrYCwcXCCHvU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-06-04 07:04:53",148485962,[8,9,10,11],"零序电流的分布与电源数目有关","零序电流的分布与电源位置有关","故障点处零序电压最小","故障点处零序电压最大",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},28,"a1f4c5c303ffa4f1a4277ec6272908e5","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd753ca1c925828dd3a5af4d423a60821.png","电力系统继电保护","c3a08b39e5da49de8def77d99d7d56b9","","在中性点直接接地电网发生单相接地短路时,系统零序分量的特点是( )",[21,26,35,43,52,61,70,79,88,97],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],148485963,[30,31,32,33],"一段&lt;二段&lt;三段","一段&lt;三段&lt;二段","三段&lt;二段&lt;一段","三段&lt;一段&lt;二段","电流三段保护中,三段动作时间的比较",{"answer":36,"createTime":5,"id":37,"options":38,"question":42,"source":24,"type":25},[],148485964,[30,39,40,41],"二段&lt;三段&lt;一段","一段&gt;二段&gt;三段","二段&gt;三段&gt;一段","电流保护的三段中,动作电流的大小关系",{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":24,"type":25},[],148485965,[47,48,49,50],"正常运行方式","事故运行方式","最大运行方式","最小运行方式","使电流速断保护有最小保护范围的运行方式为系统()",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":24,"type":25},[],148485966,[56,57,58,59],"动作值,最大负荷电流","最大负荷电流,动作值","动作值,最小负荷电流","最小负荷电流,动作值","限时电流速断是按照躲开下级相邻元件电流速断保护的()来整定,过电流保护是按照躲开本元件的()来整定",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":24,"type":25},[],148485967,[65,66,67,68],"限时电流速断保护能保护线路全长","电流速断保护灵敏度比限时电流速断保护高","电流保护受系统运行方式的影响","电流速断保护不能保护线路全长","关于电流保护,下面说法错误的是( )",{"answer":71,"createTime":5,"id":72,"options":73,"question":78,"source":24,"type":25},[],148485968,[74,75,76,77],"速动性、选择性","灵敏性,速动性","选择性,速动性","可靠性,速动性","电流速断保护为了保证选择性,牺牲一定的( ),获得( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":24,"type":25},[],148485969,[83,84,85,86],"Uca","Ubc","Uab","Uba","功率方向继电器广泛采用90度接线方式,如果输入继电器的电流为Ib,那么输入继电器的电压()",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":24,"type":25},[],148485970,[92,93,94,95],"能,能","不能,不能","能,不能","不能,能","电流速断保护()保护线路全长,限时电流速断保护()保护线路全长",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":24,"type":25},[],148485971,[101,102,103,104],"最小,最大","最小,最小","最大,最小","最大,最大","电流速断保护整定动作电流时按()短路电流整定,计算最小保护范围时按()短路电流计算"]