[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8jiCejHYQ_MWm8PaR2GAwRdu2eLzzU0MZ6XTMkdicTg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-03-09 16:01:50",133440117,[8,9,10,11],"上升10%","下降10%","上升1\u002F(1+10%)","不变",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},5,"6d631a84fc35cba9ac4cd178c536e99c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcd6aa804f56468e1fa7bc4a2057046b9.png","现代电气控制技术","5d4aab5f052a41f08211694d6f7649f2","","笼型三相感应电动机的额定状态转速下降,该电机转子电流产生的旋转磁动势相对于定子的转速( )",[21,32,41,44,54],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],133440111,[25,26,27,28],"起动转矩增大,起动电流增大","起动转矩增大,起动电流减小","起动转矩增大,起动电流不变","起动转矩减小,起动电流增大","绕线式三相感应电动机,转子串电阻起动时( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],133440114,[36,37,38,39],"4极,1500r\u002Fmin","6极,1000r\u002Fmin","8极,720r\u002Fmin","10极,600r\u002Fmin","一台50hz三相感应电动机的转速为720r\u002Fmin,该电机的级数和同步转速为( )",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":46,"id":47,"options":48,"question":53,"source":30,"type":31},[],"2024-03-09 16:01:51",133440120,[49,50,51,52],"2","4","6","8","国产额定转速为的三相感应电动机为( )极电机",{"answer":55,"createTime":46,"id":56,"options":57,"question":62,"source":30,"type":31},[],133440122,[58,59,60,61],"T=TN","T=0.81TN","T=0.9TN","T>TN","一台三相感应电动机拖动额定恒转矩负载运行时若电源电压下降10%此时电机的电磁转矩( )"]