functionmotorEfficiencyCurve

This function generates the generic curve for motor efficiency based on rated motor power

Extends from Modelica.Icons.Function (Icon for functions).

Information

This function generates a generic motor efficiency curve based on the rated motor power input and maximum motor efficiency according to U.S. DOE (2014) (shown below). It returns a constant array if the rated power is unavailable.

image

References

U.S. DOE (2014). Determining Electric Motor Load and Efficiency. URL: https://www.energy.gov/sites/prod/files/2014/04/f15/10097517.pdf

Inputs

TypeNameDefaultDescription
Modelica.Units.SI.PowerP_nominalRated input power of the motor
Modelica.Units.SI.Efficiencyeta_maxMaximum motor efficiency

Outputs

TypeNameDefaultDescription
Buildings.Fluid.Movers.BaseClasses.Characteristics.efficiencyParameters_yMotmotorEfficiency_yMotMotor efficiency vs. motor part load ratio

Revisions

  • April 5, by Hongxiang Fu:
    First implementation. This is for #2668.