Renault developed the new E7A electric motor third generation in collaboration with Valeo which works at 800 Volts. This engine synchronous with electrical excitation it does not use permanent magnets which use rare earths. The goal is to achieve a power up to 200 kWmaintaining consumption similar to the previous generation and moving to a800 Volt architecture.
800 Volt Renault electric motor
The new Renault E7A electric motor presents an all-in-one architecture and for this reason it is 30% more compact than the current engines mounted on Mégane E-Tech Electric And Scenic E-Tech Electric. Furthermore, Renault has adopted an eddy current rotor technology.
This choice to use the wound rotor instead of permanent magnets, it improves engine efficiency, guarantees a more stable supply and reduces dependence on countries producing rare earths and magnets.
Renault electric car at 800 V
Renault’s third-generation E7A electric motor promises to reduce charging time thanks to the system voltage brought to 800 Volts, compared to the current standard 400 Volts.
This engine, powered by the Valeo statorwill deliver up to 200 kW (272 hp), with more power without a significant increase in energy consumption. It also uses the Hairpin technology for the assembly of copper wires, developed by Valeo since 2010.
However, the engine is still under construction development and there are further phases to go through before entering full-scale production. Production will begin at the end 2027 at the factory Cléon of the Renault Group.
The advantages of 800 Volt technology on electric cars are numerous: faster charging speed, better management of higher powers and wiring harnesses that are halved in size for the same power.
Among the 800 Volt electric cars we have tested are the Porsche Taycan Turbo S Cross Turismo and the Ioniq5.
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