[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fvVUzLTGaxbuZnJsq6qz_DrHe4APL33obZs4q5isjpbM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":21,"type":22},[],"2026-01-07 09:18:56",305384145,[8,9,10,11],"耗量特性","耗量微增率","比耗量","燃料耗量",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","发电机组单位时间能量输入与输出之比,称为()",[18,23,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":6,"options":20,"question":16,"source":21,"type":22},[],[8,9,10,11],"v1",0,{"answer":24,"createTime":5,"id":25,"options":26,"question":31,"source":21,"type":22},[],305384146,[27,28,29,30],"N","2N","3N","6N","对于N个节点的电力网络有()个变量",{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":21,"type":22},[],305384147,[36,37,38,39],"减少线路雷击事故,提高供电可靠性","减少雷击事故,提高电能质量","减少雷击事故,降低输电线路对地电压","减少雷击事故,提高输电线路的耐压水平","110kV及以上电力系统中,架空输电线路全线架设避雷线的目的是()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":21,"type":22},[],305384148,[45,46,47,48],"j4","0","j2","j0.25","一个五节点系统,失去节点1和节点3之间的一条线路,线路的导纳y13=-j4,则矩阵元素ΔY12(Y12的增量)为()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":21,"type":22},[],305384149,[54,55,56,57],"两种情况下短路电流大小相等","两相接地短路电流大于两相短路电流","两相接地短路电流小于两相短路电流","无法确定哪种情况下短路电流更大","在中性点不接地系统中同一地点发生两相短路和两相短路接地时,关于短路点故障相短路电流有效值,下述说法中正确的是()",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":21,"type":22},[],305384150,[63,64,65,66],"直轴同步电抗","直轴次暂态电抗","直轴暂态电抗","直轴稳态电抗","有阻尼绕组的同步发电机三相突然短路时,电枢反应磁通被挤出阻尼绕组和励磁绕组,只能沿着阻尼绕组和励磁绕组漏磁路径闭合,此时的发电机定子电抗称为()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":21,"type":22},[],305384151,[72,73,74,75],"复数方阵","一定存在与其对应的阻抗矩阵","是稀疏矩阵","既包含元件特性约束,又包含网络拓扑约束","关于节点导纳矩阵Y,下列说法错误的是()",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":21,"type":22},[],305384152,[81,82,83,84],"小干扰法","对称分量法","牛顿--拉夫逊法","龙格--库塔法","将三个不对称相量分解为三组对称相量的方法是()",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":21,"type":22},[],305384153,[90,91,92,93],"电力电子装置","非线性负荷","整流设备","大电阻","以下个原因不是造成电力系统谐波原因的是()",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":21,"type":22},[],305384154,[99,100,101,102],"对电压进行变化,升高电压满足大容量远距离输电的需要,降低电压满足用电的需求","变压器不仅可以对电压大小进行变换,也可以对功率大小进行变换","当变压器原边绕组与发电机直接相连时(发电厂升压变压器的低压绕组),变压器原边绕组的额定电压应与发电机额定电压相同","变压器的副边绕组额定电压一般应为用电设备额定电压的1.1倍","关于变压器,下述说法中错误的是()"]