[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-yDngxZlJs4PO7XipjwsiNhJN9UJEj34ZNtk7I9FXoo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-01-04 06:20:09",300623745,[8,9,10,11],"PN =9.55 TN \u002FnN","TN=PN","TN=9.55PN\u002FnN","TN=9.55PN×nN",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","三相异步电动机额定电磁转矩TN,额定功率PN,额定转速nN之间的关系是()",[18,29,38,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],300623741,[22,23,24,25],"阻抗","短接","开路","电抗","电容器在直流回路中相当于()","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],300623743,[33,34,35,36],"0°","120°","180°","360°","三相异步电动机的定子绕组在空间相差()电角度",{"answer":39,"createTime":5,"id":6,"options":40,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],300623747,[45,46,47,48],"高压侧逆序","高压侧有中性点","低压侧逆序","低压侧有中性点","YNy0中N的含义是()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],300623749,[54,55,56,57],"变比相等","连接组别不相同","短路阻抗标幺值相等","短路电压标幺值相等","变压器的(),不能并联运行",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],300623751,[63,64,65,66],"测速发电机","旋转变压器","自整角机","步进电动机","用于机械转速测量的电机是()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],300623753,[72,73,74,75],"4000kVA","4kVA","4000kW","4kW","已知单相变压器UN=400V,IN=10A,则其额定容量为()",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],300623755,[81,82,83,84],"整块硅钢制成","硅钢片叠成","钢板制成","电工软铁制成","三相异步电动机定子铁芯用()",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],300623757,[90,91,92,93],"电动机的最大输出功率","电动机的输入功率","电动机的额定转矩","电动机在额定电压和额定负载下长期运行所能输出的机械功率","电动机的额定功率是指( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":99,"source":27,"type":28},[],300623759,[22,23,24,25],"电感线圈在直流回路中相当于()"]