How to deal with the grounding of DC battery cabinet

Should a cabinet be grounded if it is not painted?

If the cabinet is not painted, zinc coating treatment inside ensures that all mechanical joints conduct properly. If the cabinet is painted, all components and installation plates should be grounded via a cable to the grounding busbar. Body grounding does not replace a protective earth connection.

Do I need a grounding cable if my cabinet is painted?

If the cabinet is painted, all components and installation plates should be grounded via a cable to the grounding busbar. Body grounding does not replace a protective earth connection. PE conductors are always required from the PE terminal of the device to the PE busbar if there is body grounding or not.

How to ground a control cable screen?

Run wires along the metal surface. The cable screen grounding must be as close to the control connections as possible. It is also beneficial to ground the control cable screen to the cabinet frame in the inlet. Here you can see the proper way to ground the control cables as was instructed in the previous slide.

Why is EMC grounding important?

Grounding is an essential part of cabinet assembly. ensures that installation is safe. That means protection and safety design according to short circuit capability. and improves immunity against electromagnetic interference. Note: EMC grounding reduces reactance for high frequency currents!