[問題] 電力系統三相電路問題
各位好~想請問這題
http://i.imgur.com/JH7sSyV.jpg
![](https://i.imgur.com/JH7sSyV.jpg)
![](https://i.imgur.com/pmQAnIR.jpg)
但感覺這應該也不算三相電路吧...
請問 Van Vbn的大小及角度如何求得?
因為沒遇過這類的圖
想請大家幫忙解惑~謝謝!
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