![](https://i.imgur.com/kej5vaX.jpg)
[課業] 99高考電機機械第4題
![](https://i.imgur.com/kej5vaX.jpg)
這是我參考志光-古正信的解法:
http://i.imgur.com/IMxABOW.jpg
![](https://i.imgur.com/IMxABOW.jpg)
![](https://i.imgur.com/O6fN4Aa.jpg)
這是李進雲的解法:
http://i.imgur.com/uxkRmbz.jpg
![](https://i.imgur.com/uxkRmbz.jpg)
![](https://i.imgur.com/9mv4vio.jpg)
![](https://i.imgur.com/O8IrhvR.jpg)
![](https://i.imgur.com/eTxCU2r.jpg)
想問一下哪個方法才是正確的?!
因為如果把PnL看成鐵損電流可能有點太大了是嗎?!
請較電機高手的協助。
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