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68
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Technical data
4
Manual SD6
Projecting
Select the output chokes according to the rated currents of the motor and
output chokes. In particular, observe the derating of the output choke for rotary
field frequencies higher than 200 Hz.
You can calculate the rotary field frequency for your drive with the following
formula:
f
Rotary field frequency in Hz
n
Speed in rpm
p
Number of pole pairs
N
Nominal value
Derating TEP3720-0ES41
1
Cycle frequency 4 kHz
2
Cycle frequency 8 kHz
Derating TEP3820-0CS41
1
Cycle frequency 4 kHz
2
Cycle frequency 8 kHz
f
n
N
p
60
------
=
0
0,5
1
1,5
2
2,5
3
3,5
4
4,5
0
100
200
300
400
500
600
700
1
2
I
N
[A]
f [Hz]
0
2
4
6
8
10
12
14
16
18
20
0
100
200
300
400
500
600
700
1
2
I
N
[A]
f [Hz]