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Cooling Load Factors: motor efficiency multi

kW45p0 poles6 enclosed to kW55p0 poles6 open

ASHRAE cooling load calculation factors — people heat gain, lighting power density, luminaire heat fractions, motor efficiency, cooking/warewashing appliance heat gain, office/computer equipment heat gain, glazing optical properties, radiative/convective fractions, surface solar absorptance, wall and roof conduction time series (CTS), construction material layer properties, radiant time series (RTS), zone characteristics, and below-grade heat transfer coefficients. Source: ASHRAE Handbook Fundamentals 2021, Chapter 18.

Mechanical Engineeringfactor type: motor efficiency multi10 rowsPage 15 of 19
factor typeitem idfull load efficiency pct (%)motor kW (kW)motor typenum poles (dimensionless)
motor efficiency multikW45p0 poles6 enclosed94.545Enclosed6
motor efficiency multikW45p0 poles6 open94.545Open6
motor efficiency multikW45p0 poles8 enclosed92.445Enclosed8
motor efficiency multikW45p0 poles8 open9345Open8
motor efficiency multikW55p0 poles2 enclosed93.655Enclosed2
motor efficiency multikW55p0 poles2 open93.655Open2
motor efficiency multikW55p0 poles4 enclosed95.455Enclosed4
motor efficiency multikW55p0 poles4 open9555Open4
motor efficiency multikW55p0 poles6 enclosed94.555Enclosed6
motor efficiency multikW55p0 poles6 open94.555Open6

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