Applaud SmileyDepends on how "simple" you want the calculation to be (single or three phase):You could simplify it and say:
Input Power = 400V * 4A = 1600W
Efficiency = (1500/1600) * 100 = 93.75% efficient (or 0.94 as often stated)
But in reality you should take into account Pf, so:
Input Power = SQRT(3) * V * I * Pf (assume a Pf of 0.85)
Therefore:
Input Power = 1.732 * 400 * 4 * 0.85 = 2355.52
Thus:
Efficienty = (1500/2355.52) * 100 = 63.68% (or as often stated 0.64)
Hope this helps,
D.
its going to take me a week to read them!!!! :_| :_| :_| :_|ANTIDISESTABLISHMENTARIANISMPNEUMONOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS
thems both proper words
It's a lung disease miners get, a kind of silicosisI really likes the second one - know the first one.What`s it mean though?
On the subject - do you know what either of these are?
Bromochlorodiflouromethane? CFC's?
Polytetrafluoroethylene? PTFE or Teflon
(I`ll post the answers tomorrow) - no googling
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