[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fVuqXY7YCwc602VepH1oghnfVzQjPUejntm6RVnR2iEo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2023-12-31 11:19:02",118534265,[8,9,10,11],"直流操作电源于载波通信电源","制造煤粉的设备","主变冷却系统设备","为锅炉服务的设备",{"courseId":13,"courseImg":14,"courseName":15},"4df79c182eaf7cd0a8eb2a4dd6c7aefc","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F85bdc01bd23772fb8c53a7a33f545dd9.jpg","电气设备","火电厂的自用机械不包括( )",[18,30,40,49,52,62,71,80,89,98],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2023-12-31 11:19:03",118534256,[23,24,25,26],"10min","11min","9min","8min",""连续"是指每次带负荷运转2h以上的负荷;"短时"是指每次连续带负荷运转在10~120min之间的负荷;"断续"是指每次使用时从带负荷运行到停止,如此反复周期性地工作,而每个工作周期均不超过()","v1",0,{"answer":31,"createTime":32,"id":33,"options":34,"question":39,"source":28,"type":29},[],"2023-12-23 14:22:20",118534261,[35,36,37,38],"主变压器的冷却装置","采暖通风设备","照明设备","检修用电","变电站自用电中最重要的负荷是( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":28,"type":29},[],118534262,[44,45,46,47],"单母线分段","单母线","双母线带旁路母线","内桥","高压侧电压为110KV,2回路与系统相连,采用( )接线",{"answer":50,"createTime":5,"id":6,"options":51,"question":16,"source":28,"type":29},[],[8,9,10,11],{"answer":53,"createTime":54,"id":55,"options":56,"question":61,"source":28,"type":29},[],"2023-12-20 20:36:04",118534268,[57,58,59,60],"二台,一级","二台,二级","一台,一级","一台,二级","变电站的自用电接线较为简单,一般采用()自用变压器,由变电站中最低()电压母线接引电源",{"answer":63,"createTime":54,"id":64,"options":65,"question":70,"source":28,"type":29},[],118534270,[66,67,68,69],"油处理设备","加热设备","水泵","风扇","下列选项中不属于大型变电站的自用电负荷主要是( )",{"answer":72,"createTime":20,"id":73,"options":74,"question":79,"source":28,"type":29},[],118534276,[75,76,77,78],"一台","四台","三台","二台","若终端变电站只有一个电源时,可只装( )主变压器",{"answer":81,"createTime":32,"id":82,"options":83,"question":88,"source":28,"type":29},[],118534281,[84,85,86,87],"技术供水泵","浮充电电源","主变冷却风扇","高低压高空压机","自用电按运行方式分类中,A类不包括( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":28,"type":29},[],118534287,[93,94,95,96],"一项","两项","四项","三项","主接线经济比较方案主要包括有几项",{"answer":99,"createTime":100,"id":101,"options":102,"question":107,"source":28,"type":29},[],"2023-12-22 15:49:15",118534290,[103,104,105,106],"过载能力大","体积小","散热性能好","价格昂贵","下列关于干式变压器的优点不正确的是( )"]