Proper design of the grounding and isolation systems in the LV and HV sections in an EV is vital to ensure the safety of vehicle occupants and service personnel and the reliable operation of the vehicle. There are a range of systems with different requirements for grounding and isolation.
The transition to “green” energy is inextricably linked with the adoption of electric vehicles, which can serve as both consumers and providers of energy in a dynamic, renewable-based grid.
The HV section is isolated from the chassis, and power is distributed using a two-wire system of positive and negative cables. It’s not technically grounded. The HV components are mechanically attached to the chassis but electrically isolated or ‘floating.’ It’s different for EV chargers. Grounding is an essential aspect of EV charger designs.
It’s different for EV chargers. Grounding is an essential aspect of EV charger designs. It involves connecting the charger’s metal components to a conductor connected to the Earth. Proper grounding provides safety from electric shocks by redirecting electric current in the event of short circuits. It also improves charger reliability.
With renewable electricity the REGO is there to ensure energy along the entire supply chain is as renewable as possible. “This is where the argument that electric vehicles can never be green if they’re still using electricity from coal comes from,” said Sage.
Energy vehicles are developing towards electric, intelligent and networked. The intelligent network connected electric vehicle has put forward the requirements of high bandwidth, high real-time, high security and high reliability for the wire control efficient electronic and electrical architecture (Lin 2019).