Table 28: AHF Filters (5% Current Distortion)
Drive input cur-
rent Continuous
[A]
Default switching
frequency [kHz]
Table 29: AHF Filters (10% Current Distortion)
Drive input cur-
rent continuous
[A]
Default switching
frequency [kHz]
4.3.3 External RFI Filter
With external filters listed in the following table, the maximum shielded cable length of 50 m (164 ft) according to EN/IEC 61800-3
C2 (EN 55011 A1), or 20 m (65.6 ft) according to EN/IEC 61800-3 C1(EN 55011 B) can be achieved.
Table 30: RFI Filters - Details
Power
[kW
(hp)]
Size
380–
480 V
AJ363928382091en-000101 / 130R0983 | 51Danfoss A/S © 2021.04
Selection and Ordering
VLT® Flow Drive FC 111
Design Guide