Oct 15, 2024 · On the other hand, using a system ground allows you to FUSE only the POSITIVE leads, instead of fuse both sides (Plus and Minus). In case of a faulty situation (where e.g.
Oct 15, 2024 · As I do also start installing a BYD LVL 15,4 kWh battery and I found out, that BYD suggests using a max. cross section of 16mm2 for the ground cable. Although I do use
Jul 25, 2013 · Hi, I wanted to know the correct procedure for main earthing an electronics project built in a metal case, I live in the UK with the standard 3 pin wire configuration for live, neutral
Ground close to the battery. The battery poles are supposed to be safe to touch. The battery ground should therefore be the most reliable and visible ground connection. The DC ground cabling should have a sufficient thickness to be able to carry a fault current at least equal to the DC fuse rating.
Between the DC circuitry and chassis: basic isolation. Therefore, DC negative or positive grounding is allowed. In the case of positive grounding, non-isolated interface connections will refer to the DC negative and not to ground. Grounding such a connection will damage the product.
It is a direct connection to the battery with batteries near the engine, and often via the chassis with remote batteries. A ground must always connect from the battery negative to the chassis with all battery installations. A common misunderstanding is the battery supplies normal running load power.
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.
That ground has to be a very solid low resistance connection. It is a direct connection to the battery with batteries near the engine, and often via the chassis with remote batteries. A ground must always connect from the battery negative to the chassis with all battery installations.
Grounding directly to the negative post is a fire hazard at worse, and an unnecessary risk to your equipment at best. Battery post connections also increase likelihood of ground loops and ground conducted noise. On a personal note, I'm not sure why USA and Japanese manufacturers instruct people to connect things to the negative terminal.
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