简单电力系统如图所示,XT2 =0.1,取基准功率SB = 100MVA时,计算

昕玥2020-05-20  18

问题 简单电力系统如图所示,XT2 =0.1,取基准功率SB = 100MVA时,计算f点发生a相接地短路时短路点的短路电流(kA)及短路点正序电压(kV)为( )。A. 0.89kA 134.79kV B. 2.6767kA 76.089kVC. 0.846kA 76.089kV D. 2.789k

选项 A 131.79kV

答案A

解析[img]/upload/tiku/139/342522_1.jpg[/img][img]/upload/tiku/139/342522_1_1.jpg[/img][img]/upload/tiku/139/342522_1_2.jpg[/img]
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