Motor  Efficiency Map Scalar Control (Uf)
Positioning and objective
The aim of the test “Performance mapping – Sine wave – Motor – Efficiency map scalar” is to characterize the behavior of the machine in the "TorqueSpeed" area.
Input parameters like, “the maximum LineLine voltage, the rated power supply frequency, the maximum line current and the maximum speed” of the machine are considered.
One type of command mode is available: scalar command.
Input parameters define the torquespeed area in which the evaluation of the machine behavior is performed.

In the results, the performance of the machine at the base point (base speed point) and at the maximum speed (maximum speed point), set by the user are presented.
A set of curves (like TorqueSpeed curve) and maps (like Efficiency map) are computed and displayed.





Family  Performance mapping 
Package  Sine wave 
Convention  Motor 
Test  Effciency map scalar Uf 
Positioning of the test “Performance mapping  Sine wave  Motor  Efficiency map scalar Uf” 
User inputs
The four main user input parameters are “the maximum LineLine voltage, the rated power supply frequency, the maximum line current and the maximum speed”. In addition, temperatures of winding, and squirrel cage must be set, and the power electronics data if needed.
Main outputs  Results
 Machine performance  Base speed point
 General data like torque, speed, electrical powers, power factor, efficiency etc.
 Power balance
 Machine performance  Maximum speed
 General data like torque, speed, electrical powers, power factor, efficiency etc.
 Power balance
 Torquespeed curves
 Mechanical torque versus speed
 Efficiency torque versus speed
 Current versus speed
 Voltage versus speed
 Slip versus speed
 Frequency versus speed
 Power (Mechanical power, machine electrical power, system electrical power) versus speed
 Power factor versus speed
 Losses versus speed (total machine and system, Stator Joule, Rotor Joule, mechanical, power electronics) (iron losses are neglected for the first version of this test)
 Characteristic curves
 “Normalized base point curves” versus speed
 “Normalized torquespeed curves” versus speed
 “Voltage boost” versus speed (low speed between zero speed and base speed)
 TorqueSpeed maps
 Efficiency in torquespeed area
 Current in torquespeed area
 Voltage in torquespeed area
 Slip in torquespeed area
 Frequency in torquespeed area
 Power (Mechanical power, machine electrical power, system electrical power) in torquespeed area
 Power factor in torquespeed area
 Losses in torquespeed area (total machine and system, total Joule, mechanical, power electronics) (iron losses are neglected for the first version of this test)
 Joule losses in torquespeed area (Total, Stator and Rotor)