ABB ACS860 - Page 227

Parameters 227
35.54 Motor nominal
temperature rise
Defines the temperature rise of the motor above ambient
when the motor is loaded with nominal current. See the motor
manufacturer's recommendations.
80 °C
0…300 °C Temperature rise. 1 = 1°
35.55 Motor thermal time
constant
Defines the thermal time constant for use with the motor
thermal protection model, defined as the time to reach 63% of
the nominal motor temperature. See the motor manufacturer's
recommendations.
256 s
100 … 10000 s Motor thermal time constant. 1 = 1 s
No. Name/Value Description Def/FbEq16
Motor nominal
temperature rise
Temperature
Time
Ambient temperature
100%
63%
100%
Time
Time
Motor thermal time
Motor current
Temperature rise