MOUNTING
vacon • 23
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5
5.7
Power losses
The power loss of the frequency converter varies greatly with load and output frequency as well as
with the switching frequency used. For dimensioning of cooling or ventilation equipment for electri-
cal rooms the following generic formula gives a good approximation of the heat losses at nominal
conditions:
P
loss
[kw] = P
mot
[kW] x 0,025
