[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fWeuIurrHaww-wFnofcZ3StgH7w6UpSR1GcpbdIHQncc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-05-16 12:41:49",12834148,[8,9,10,11],"N2>N1","N2= N1","N2<N1","视型号确定",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},8,"8592520f0c49ccd5938509ba34480c47","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcb3db0b0cd7b8a177a71149bc21f475a.jpg","船舶电气","8eced5bc55b94f1ca4a54be96b4e33a7","变压器的结构及铭牌参数","在升压变压器中,原绕组匝数N1与副绕组匝数N2关系是______",[21,32,41,50,59,68,77,80],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],12834142,[25,26,27,28],"多级变压器","单级变压器","湿式变压器","干式变压器","我国《钢质海船入级规范》规定船上应采用______","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],12834143,[36,37,38,39],"强迫风冷","水冷","油浸变压器","自然风冷","船舶常用的电力变压器从冷却的方式上看,属于______",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],12834144,[45,46,47,48],"有功\u002F千瓦","视在\u002F千乏","视在\u002F千伏安","无功\u002F千伏安","变压器容量,即______功率,其单位是______",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],12834145,[54,55,56,57],"原边接额定电压,副边满载时的副边电压","原边接额定电压,副边空载时的副边电压","原边接额定电压,副边轻载时的副边电压","原边接额定电压,副边过载时的副边电压","变压器名牌上标有额定电压U1N、U2N,其中U2N表示_____",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],12834146,[63,64,65,66],"空载输出电压、短路输出电流","空载输出电压、额定输出电流","额定输出电压、额定输出电流","额定输入电压、额定输入电流","船用变压器铭牌上标有U1N\u002FU2N,I1N\u002FI2N,其中U2N、I2N是指______",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],12834147,[72,73,74,75],"U1N是原边额定线电压\u002FI2N是副边额定线电流","U1N是原边绕组的额定相电压\u002FI1N是原边额定线电流","U2N是副边空载电压\u002FI2N是副边短路时电流","U1N是原边额定线电压\u002FI2N是副边额定相电流","变压器铭牌中的U1N、U2N、I1N、I2N是指______",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],12834149,[84,85,86,87],"升压变压器不能降压使用","降压变压器不能升压使用","只要保证了额定电压合适,无所谓降压或升压使用","只要保证了额定电压和额定容量,无所谓降压或升压使用","关于变压器的下列说法,正确的是______"]