ESP Motor Sizing Functions
Required horsepower, nameplate amps, load factor, temperature rise and cooling flow.
10 functions
PO.ESP.Motor.RequiredHP(BHP, safety_factor)
Calculates minimum motor horsepower with safety factor, [HP].
PO.ESP.Motor.Amps(HP, voltage, efficiency, power_factor)
Calculates motor current draw (3-phase), [A].
PO.ESP.Motor.Amps.FromNameplate(HP, V_nameplate, I_nameplate, V_actual, load_fraction)
Calculates current from motor nameplate data, [A].
PO.ESP.Motor.LoadFactor(BHP_required, motor_rating)
Calculates motor load as fraction of rating, [fraction].
PO.ESP.Motor.Load.Status(load_factor)
Returns motor load status description.
PO.ESP.Motor.PowerKW(I, V, PF)
Calculates motor power consumption (3-phase), [kW].
PO.ESP.Motor.Eff.AtLoad(efficiency_nameplate, load_fraction)
Estimates motor efficiency at partial load, [fraction].
PO.ESP.Motor.Temp.Rise(T_fluid, HP, Q, motor_OD)
Estimates motor temperature at operating conditions, [degF].
PO.ESP.Motor.Qcool(HP, motor_OD, casing_ID)
Calculates minimum flow rate for motor cooling, [bbl/d].
PO.ESP.Motor.V.Nearest(V_calculated)
Returns nearest standard ESP motor voltage, [V].