Rothiemurchus Messages 203 Reaction score 1 Thread starter Apr 9, 2007 #1 What percentage of electrical energy is lost as heat by the transformer that supplies a house with 240V ac?
What percentage of electrical energy is lost as heat by the transformer that supplies a house with 240V ac?
marcusl Science Advisor Messages 2,982 Reaction score 708 Apr 9, 2007 #2 Small utility transformers must exceed about 98% under newly proposed EPA rules, large ones over 99%.
Small utility transformers must exceed about 98% under newly proposed EPA rules, large ones over 99%.