A breakthrough from France will convey a few extra highly effective, extra compact and cleaner electrical motor: Renault Group and Valeo are combining their experience to create a brand new electrical motor technology. Because of the common conversations between the carmaker and the tools producer, this partnership that began in 2021 quickly grew right into a co-development journey.
They every pooled one key half (Renault Group the rotor, Valeo the stator) in addition to their experience in expertise improvement and manufacturing. They’re at present fine-tuning their E7A high-tech motor.
Renault pioneered electrically excited synchronous motors (EESMs) in manufacturing automobiles when it launched ZOE in 2012. This know-how places it able to provide an all-in-one structure for the brand new E7A motor (to make it 30% extra compact for equal energy than the present motors equipping the Megane E-Tech electrical and the Scenic E-Tech electrical) and the rare-earths-free rotor expertise (to shrink its carbon footprint by 30%). Through the use of a wound rotor as a substitute of everlasting magnets, Renault is bettering the engine’s output, securing its provide chain and avoiding reliance on nations that produce uncommon earths and magnets.
This third-generation motor may even assist shorten battery charging occasions because the system might be constructed for 800 volts as a substitute of 400 volts, the usual at the moment. And the stator by Valeo will increase energy and effectivity. The brand new E7A motor, in consequence, will unleash as much as 200 kW. It can additionally provide extra energy with out consuming extra electrical energy. And the E7A motor makes use of hairpin expertise to assemble copper wires, a Valeo specialty since 2010.
At this stage, the engine remains to be underneath improvement. There are different levels to undergo earlier than it could possibly attain serial life. The mass manufacturing of this new-generation engine will begin at Renault Group’s Cléon manufacturing unit on the finish of 2027.
Oct 30, 2023