试题与答案

有一条高压线路供电给两台并列运行的电力变压器。高压线路采用LJ-70铝绞线,等距水平

题型:问答题 案例分析题

题目:

有一条高压线路供电给两台并列运行的电力变压器。高压线路采用LJ-70铝绞线,等距水平架设,相间距为1m,长2km。两变压器均为SL7-800/10型,总计算负荷为900kW,cosα=0.86,=4500h。试分别计算此电力变压器和高压线路的功率损耗和年电能损耗。

答案:

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