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Cooling Load Factors: motor efficiency multi

kW11p0 poles6 enclosed to kW150p0 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 3 of 19
factor typeitem idfull load efficiency pct (%)motor kW (kW)motor typenum poles (dimensionless)
motor efficiency multikW11p0 poles6 enclosed91.711Enclosed6
motor efficiency multikW11p0 poles6 open91.711Open6
motor efficiency multikW11p0 poles8 enclosed89.511Enclosed8
motor efficiency multikW11p0 poles8 open90.211Open8
motor efficiency multikW150p0 poles2 enclosed95.4150Enclosed2
motor efficiency multikW150p0 poles2 open95150Open2
motor efficiency multikW150p0 poles4 enclosed96.2150Enclosed4
motor efficiency multikW150p0 poles4 open95.8150Open4
motor efficiency multikW150p0 poles6 enclosed95.8150Enclosed6
motor efficiency multikW150p0 poles6 open95.4150Open6

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