Danfoss VLT Flow Drive FC 111 Design Guide

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RFI filtering.
Motor cable length.
Motor cable shielding.
Drive power.
e30bb955.12
a
b
Motor cable length
Leakage current
Illustration 27: Influence of the Cable Length and Power Size on Leakage Current, Power Size a > Power Size B
The leakage current also depends on the line distortion.
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THDv=0%
THDv=5%
Leakage current
Illustration 28: Influence of Line Distortion on Leakage Current
If the leakage current exceeds 3.5 mA, compliance with EN/IEC 61800-5-1 (power drive system product standard) requires special
care.
Reinforce grounding with the following protective earth connection requirements:
AJ363928382091en-000101 / 130R0983 | 39Danfoss A/S © 2021.04
Product Overview
VLT® Flow Drive FC 111
Design Guide

Danfoss VLT Flow Drive FC 111 Specifications

General

Brand	Danfoss
Model	VLT Flow Drive FC 111
Category	DC Drives
Language	English