Hence, by formula, E = Emv/2^.707 Em. Thus, a 208 volt system has a peak voltage of 208 x 1.414 = 294 volts. ... In order to show that power is thus not always E times I in A.C. circuits, we change the power formula to read: W = EI x P.F. whereanbsp;...
Title | : | Weight Engineering |
Author | : | |
Publisher | : | - 1943 |
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