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Cooling Load Factors: motor efficiency multi

kW261p0 poles6 enclosed to kW2p2 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 10 of 19
factor typeitem idfull load efficiency pct (%)motor kW (kW)motor typenum poles (dimensionless)
motor efficiency multikW261p0 poles6 enclosed95.8261Enclosed6
motor efficiency multikW261p0 poles6 open95.8261Open6
motor efficiency multikW298p0 poles2 enclosed95.8298Enclosed2
motor efficiency multikW298p0 poles2 open95.8298Open2
motor efficiency multikW298p0 poles4 enclosed96.2298Enclosed4
motor efficiency multikW298p0 poles4 open95.8298Open4
motor efficiency multikW2p2 poles2 enclosed86.52.2Enclosed2
motor efficiency multikW2p2 poles2 open85.52.2Open2
motor efficiency multikW2p2 poles4 enclosed89.52.2Enclosed4
motor efficiency multikW2p2 poles4 open89.52.2Open4

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