[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fWxDPc8CnttpRzvcOPF5W0lnJ1MT5sncHnmKb9ltTAPg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-11-10 21:57:37",165358461,[8,9,10,11],"四台","一台","三台","两台",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},13,"19afade1dfa1273ceb6fbef752cc4fd0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7af97bda3aaf859f7a92e502e053f107.jpg","供配电技术","work_38753663","4.3作业1","在有一、二级负荷的变电所中,宜选择( )主变压器",[21,32,41,44,53,63,72,81,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],165358459,[25,26,27,28],"长期过载","长期轻载","短期过载","短期轻载","高压熔断器是用来防止高压电气设备发生短路和( )的保护元件","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],165358460,[36,37,38,39],"一次侧必须短路","二次侧不得短路","二次侧必须短路","二次侧不得开路","电压互感器工作时( )",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],165358462,[48,49,50,51],"高压隔离开关","低压隔离开关","熔断器","断路器","允许带负荷操作的电器是( )",{"answer":54,"createTime":55,"id":56,"options":57,"question":62,"source":30,"type":31},[],"2024-11-10 21:57:38",165358464,[58,59,60,61],"分断正常负荷电流","隔离低压","隔离高压","分断短路电流","负荷开关具有( )的功能",{"answer":64,"createTime":55,"id":65,"options":66,"question":71,"source":30,"type":31},[],165358465,[67,68,69,70],"3000","1000","2000","4000","单台主变压器的容量选择一般不宜大于( )KVA",{"answer":73,"createTime":55,"id":74,"options":75,"question":80,"source":30,"type":31},[],165358466,[76,77,78,79],"830","730","930","630","对装在楼上的电力变压器,单台容量不宜大于( )KVA",{"answer":82,"createTime":55,"id":83,"options":84,"question":89,"source":30,"type":31},[],165358467,[85,86,87,88],"二次回路的负载电流","二次回路并接电流表的多少","一次侧串联的电网电流","电流互感器的容量","电流互感器一次侧电流决定于( )",{"answer":91,"createTime":55,"id":92,"options":93,"question":98,"source":30,"type":31},[],165358468,[94,95,96,97],"4","3","2","5","六氟化硫具有优良的绝缘性能和灭弧性能,其绝缘强度为空气的( )倍",{"answer":100,"createTime":55,"id":101,"options":102,"question":107,"source":30,"type":31},[],165358469,[103,104,105,106],"不得开路","不得短路","不得接电流表","可以接电压表","电流互感器在工作时,其二次侧( A )"]