[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZbapwgo904gdP5ZJ07j82zLsE4Cg-VwR3hmnRxSMSqs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-01-05 10:22:32",302581479,[8,9,10,11],"根号3","根号3分之1","2分之根号3","1\u002F3",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","三相异步电动机采用星-三角减压起动时,起动转矩是三角形接法全压起动时的()倍",[18,29,38,47,56,65,74,83,92,100],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],302581448,[22,23,24,25],"笼型异步电动机","绕线转子异步电动机","同步电动机","滑差电动机","三相异步电动机变极调速的方法一般只适用于()","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],302581449,[33,34,35,36],"时间继电器","电流继电器","速度继电器","热继电器","根据电动机主电路电流的大小,利用()来控制电动机的工作状态称为电流控制原则",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],302581450,[42,43,44,45],"开主","开辅","闭主","闭辅","异步电动机连续运行控制线路中,主接触器常()触头与起动按钮并联起失压保护作用",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],302581451,[51,52,53,54],"自","互","联","闭","电动机的顺序起动,采用的是()锁控制线路",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],302581452,[60,61,62,63],"控制;虚","控制;实","主;虚","主;实","电气原理图的()电路电流较大,常用粗()线绘制",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],302581453,[69,70,71,72],"闭合;断开","闭合;闭合","断开;断开","断开;闭合","接触器线圈通电,其常闭触头(),常开触头()",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],302581454,[78,79,80,81],"电源电压","电源电流","电源相序","电源频率","异步电动机的反接制动是指改变()",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],302581455,[87,88,89,90],"串联\u002F串联","并联\u002F并联","串联\u002F并联","并联\u002F串联","如需在集中控制室和机旁两处起停电动机,则应将两处的起动机按钮(),两处的停止按钮",{"answer":93,"createTime":5,"id":94,"options":95,"question":99,"source":27,"type":28},[],302581456,[96,97,36,98],"熔断器","磁力启动器","电压继电器","中小容量异步电动机的过载保护一般采用()",{"answer":101,"createTime":5,"id":102,"options":103,"question":108,"source":27,"type":28},[],302581457,[104,105,106,107],"减少损耗","减小吸力","及时抱闸","延长寿命","锚机刹车线圈的放电回路串入二极管是为了使刹车()"]