5.12.1 Residual Current Device
You can use RCD relays, multiple protective grounding or grounding as extra protection, provided that local safety regulations are complied with.
If a ground fault appears, a DC content may develop in the faulty current.
If RCD relays are used, you must observe local regulations. Relays must be suitable for protection of 3-phase equipment with a bridge rectifier and for
a brief discharge on power-up see section
Ground Leakage Current
for further information.
5 How to Install VLT
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AQUA Drive Design Guide
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MG.20.N5.22 - VLT
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