ABB ACS880-87LC-4000A/4021A-7, Hardware Manual

Page: 21 / 144

Safety instructions 21

Grounding
These instructions are intended for all who are responsible for the grounding of the
converter.
WARNING! Obey these instructions. If you ignore them, injury or death, or
damage to the equipment can occur, and electromagnetic interference can
increase.
•
If you are not a qualified electrician, do not do electrical installation or maintenance
work.
•
Always ground the converter, the generator and adjoining equipment to ensure
personnel safety in all circumstances, and to reduce electromagnetic emission and
interference.
•
Make sure that the conductivity of the grounding conductors is sufficient. See the
converter hardware manual. Obey the local regulations.
•
In a multiple-converter installation, connect each converter separately to protective
earth (PE).
Note:
•
You can use power cable shields as grounding conductors only when their
conductivity is sufficient.
•
As the normal touch current of the converter is higher than 3.5 mA AC or 10 mA DC,
you must use a fixed protective earth connection. See EN 61800-5-1, 4.3.5.5.2.