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December 2001
n
Axis power module with 50 A, PWM frequency of 4 kHz, X1 = 40 %, X2 = 4 kHz
(
æ
100 40
X
[%]
=
100
–
---------------------------------------------------------------------------------------
è
R
0
X B
=
1
-----------
=
1.00
–
100
n
Spindle power module with 50 A, PWM frequency of 4 kHz, X1 = 40 %, X2
= 3.2 kHz
(
æ
100 40
X R [%]
=
100
--------------------------------------------------------------------------------------- -
–
è
10
X
=
1
-----------
=
0.90
–
B
100
7 7 7 7
Reduce the rated current values I
power modules.
I Nnew
or
7 7 7 7
Reduce the reference value for the I
MP230x
=
X B
Note
A reduction of the rated current of the power module can cause a reduction
of the rated torque and the rated power of the motor, if equal values for
rated current of the power module and the rated current of the motor were
chosen.
Commissioning
) 8 kHz 4 kHz
⋅
(
)
–
–
8 kHz 4 kHz
–
) 8 kHz 4 kHz
⋅
(
)
–
–
8 kHz
–
3.2 kHz
of your power modules in the list of
N
⋅
(
=
I N
100 % X R [%]
–
2
t monitoring.
ö
+
40
=
0 %
ø
ö
+
40
=
10 %
ø
)
6 – 469
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