Danfoss iC2-Micro Series - Page 84

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a
b
Motor cable length
Leakage current
Figure 43: Influence the Cable Length and Power Size on Leakage Current, P
a
> P
b
The leakage current also depends on the line distortion.
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THDv=0%
THDv=5%
Leakage current
Figure 44: Influence of Line Distortion on Leakage Current
EN/IEC61800-5-1 (Power Drive System Product Standard) requires special care if the leakage current exceeds 3.5mA. Reinforce
grounding with the following protective ground connection requirements:
l Ground wire (terminal 95) of at least 10mm
2
(8AWG) cross-section.
l 2 separate ground wires that comply with the dimensioning rules.
84 | Danfoss A/S © 2024.08 AJ402315027937en-000401 / 130R1239
Design Guide | iC2-Micro Frequency Converters Electrical Installation Considerations