電力問題220V熱水爐運行30AMP=?KVA,算式如何計
回答 (2)
2011-01-15 6:41 am
✔ 最佳答案
計算法 = kVA = ( V x I ) / 1000220 * 30 = 6600 / 1000 = 6.6kVA
2011-01-17 11:00:59 補充：
APPARENT POWER 視在功率 is kVA not kW
because the heater must use 6.6kVA transformer for load
kVA is no power factor calculated you can not use ACTIVE POWER ( Real Power ) ONLY
2011-01-17 6:28 pm
kW, not KVA
kW = 1000 W
kW = 1000 W
收錄日期: 2021-04-27 17:47:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110114000051KK00528