關於變壓器標么值 - 考試
By Mary
at 2013-07-31T19:22
at 2013-07-31T19:22
Table of Contents
最近讀到關於三相電路標么值
看到負載為 Delta 接時
Vl=Vp
Zb= Vl^2 / SbΦ,b
而公式只提到
Zb= Vl^2 / Sb3Φ,b 這公式 是只負載為Y接情況下嗎?
而負載Y接時
Vl= 3^.5 *Vp
Zb= Vl^2 / Sb3Φ,b => Zb= 3*Vp^2 /S3Φ,b => Zb= Vp^2 / SbΦ,b
不好意思打這麼多,
公式意思是想說明
Vb基準是取負載的端電壓嗎?
而Sb取單負載 的VA容量嗎?
假使佔到版面不好意思,還麻煩各位幫忙一下 謝謝囉^^
--
看到負載為 Delta 接時
Vl=Vp
Zb= Vl^2 / SbΦ,b
而公式只提到
Zb= Vl^2 / Sb3Φ,b 這公式 是只負載為Y接情況下嗎?
而負載Y接時
Vl= 3^.5 *Vp
Zb= Vl^2 / Sb3Φ,b => Zb= 3*Vp^2 /S3Φ,b => Zb= Vp^2 / SbΦ,b
不好意思打這麼多,
公式意思是想說明
Vb基準是取負載的端電壓嗎?
而Sb取單負載 的VA容量嗎?
假使佔到版面不好意思,還麻煩各位幫忙一下 謝謝囉^^
--
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考試
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