基本電學一問 - 考試

By Hardy
at 2014-11-26T22:47
at 2014-11-26T22:47
Table of Contents
請問各位大大:
請問這一題答案為何是D呢?
http://ppt.cc/kYaG
在此我有二個疑惑
一個是損失率的到底是什麼?
另一個是度的單位是千瓦小時
改善功率因數
應該不會改變有效功率
只會改變視在功率和無效功率吧
那為何題目還說可減少損失幾度呢?
懇請板上大大解惑
--
請問這一題答案為何是D呢?
http://ppt.cc/kYaG
在此我有二個疑惑
一個是損失率的到底是什麼?
另一個是度的單位是千瓦小時
改善功率因數
應該不會改變有效功率
只會改變視在功率和無效功率吧
那為何題目還說可減少損失幾度呢?
懇請板上大大解惑
--
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考試
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