网络接线如图所示,容量为1200MVA,取SB=60MVA,当图中f点发生三相短

Freeti2020-05-20  25

问题 网络接线如图所示,容量为1200MVA,取SB=60MVA,当图中f点发生三相短路时,短路点的短路电流(kA)及短路冲击电流(kA)分别为( )。A. 6.127kA 14.754kA B. 6.127kA 15.57kAC. 4.25kA 10.84kA D. 5.795k

选项 A 14.754kA

答案C

解析[img]/upload/tiku/139/342584_1.jpg[/img][img]/upload/tiku/139/342584_1_1.jpg[/img][img]/upload/tiku/139/342584_1_2.jpg[/img]
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