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【毎日のテーマ】【電気版20160527】

2016-05-27View Original

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参加報酬:2財富。正解の報酬:9財富 正誤判断:中性点非接地方式では単相接地故障が発生しても、短時間は運転を続けることができる。( )
Reply #22016-05-27
正しい、√~~~~~~~~~~
Reply #32016-05-27
正誤判定:中性点非接地方式の系統で単相接地故障が発生しても、短時間は運転を続けることができる。( 正解 )
Reply #42016-05-27
非接地系統で単相接地故障が発生しても、三相電圧は依然として対称的である。接地電流が20A以下の場合は2時間許容され、故障電流は10kV相当の容量の容量電流とする。

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