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Cooling Load Factors: motor efficiency multi

kW30p0 poles8 enclosed to kW373p0 poles4 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 12 of 19
factor typeitem idfull load efficiency pct (%)motor kW (kW)motor typenum poles (dimensionless)
motor efficiency multikW30p0 poles8 enclosed91.730Enclosed8
motor efficiency multikW30p0 poles8 open91.730Open8
motor efficiency multikW336p0 poles2 enclosed95.8336Enclosed2
motor efficiency multikW336p0 poles2 open96.2336Open2
motor efficiency multikW336p0 poles4 enclosed96.2336Enclosed4
motor efficiency multikW336p0 poles4 open96.2336Open4
motor efficiency multikW373p0 poles2 enclosed95.8373Enclosed2
motor efficiency multikW373p0 poles2 open96.2373Open2
motor efficiency multikW373p0 poles4 enclosed96.2373Enclosed4
motor efficiency multikW373p0 poles4 open96.2373Open4

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