Section 5: Configuration of the frequency converter
f [Hz]
I / In electric motor [%]
Time
0
50%
100%
125%
Ts
Time
Constant heating time,
par. 3.05
0
63%
100%
105%
b)
I / In electric motor [%]
25Hz
0
Par. 3.04
Par. 3.03
OPERATION AREA
a)
c)
Ts – electric motor temperature
Fig
. 5.7. Defining long-term operation area (a), dependence of calculated motor
temperature on current (b) and (c)
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