-
-
-
N O T I C E
The measurements in the following tables are carried out with a single power size and motor, but with several motor cable
lengths, are for information only. Depending on the combination of drive, motor cable type, motor cable length, and motor, the
values for Upeak and dU/dt can be higher at the motor terminal. Sometimes, the values exceed the limits given by the motor
manufacturer.
To avoid problems with too high dU/dt, use motor cables longer than 30–40 m (98–131 ft).
If in doubt, use a dU/dt lter between the drive and the motor, or do a measurement in the actual installation.
10.15 Electromagnetic Compatibility (EMC) Overview
10.15.1 EMC Test Results
The following test results have been obtained by using a system with a drive, a shielded control cable, a control box with potentiom-
eter, a single motor, and shielded motor cable (Ölex Classic 100 CY) at nominal switching frequency. See Table 91 for the maximum
motor cable lengths for compliance.
N O T I C E
Conditions may change signicantly for other setups.
N O T I C E
Consult Illustration 73 for parallel motor cables.
Table 91: EMC Test Results (Emission) Maximum Motor Cable Length
Standards
and require-
ments
AJ300847815559en-000101 / 130R0337146 | Danfoss A/S © 2020.09
Electrical Installation
Considerations
VLT® AQUA Drive FC 202
Design Guide