Vacon 100X series - Page 142

vacon • 139 Parameters
6
Figure 45. Motor thermal time constant
P3.9.2.5 MOTTHERMLOADBIL
Setting value to 130% means that the nominal temperature will be reached with 130% of motor
nominal current.
Figure 46. Motor temperature calculation
I/I
T
100%
63%
t
T
t
9077.emf
T = Motor thermal time constant
Current
I/I
T
t
t
T
105%
Trip area
Current
Loadability 80%
Loadability 100%
Loadability 130%
Fault/
Alarm
9078.emf