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VFC 3210
Derating and carrier frequency
In case of higher carrier frequency, the output current is reduced so that the
power dissipation in power section remains more or less constant. The figure
below shows the current reduction based on the carrier frequency for the fre-
quency converters:
I / I
% Percentage of rated output current
rated
f
PWM or carrier frequency
PWM
Fig. 6-3: Derating and carrier frequency for 0K40...4K00 models
6.2.3 Maximum Length of Motor Cables
Model
0K40...4K00
Tab. 6-3: Maximum length of motor cables
SHIELDED MOTOR CABLES are used in test.
DOK-RCON04-VFC3210****-IT01-EN-P
Configuration
VFC 3210 + External EMC filter
Bosch Rexroth AG
Frequency Converter Overview
Maximum length of motor ca-
bles for C3 [m]
50
25/253
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