ESP Motor Sizing LAMBDAs
Required horsepower, nameplate amps, load factor, temperature rise and cooling flow.
6 lambdas
PO.ESP.Motor.RequiredHP.SI(BHP, safety_factor)
Calculates minimum motor horsepower with safety factor, [kW] (SI units).
PO.ESP.Motor.Amps.SI(HP, voltage, efficiency, power_factor)
Calculates motor current draw (3-phase), [A] (SI units).
PO.ESP.Motor.Amps.FromNameplate.SI(HP, V_nameplate, I_nameplate, V_actual, load_fraction)
Calculates current from motor nameplate data, [A] (SI units).
PO.ESP.Motor.LoadFactor.SI(BHP_required, motor_rating)
Calculates motor load as fraction of rating, [fraction] (SI units).
PO.ESP.Motor.Temp.Rise.SI(T_fluid, HP, Q, motor_OD)
Estimates motor temperature at operating conditions, [degC] (SI units).
PO.ESP.Motor.Qcool.SI(HP, motor_OD, casing_ID)
Calculates minimum flow rate for motor cooling, [m3/d] (SI units).