When you think of electric motors, you usually think of magnets. But magnets are heavy, and good magnets can pose problems when you need lots of them. A technology called SESM (separately excited s… ...

Old's Electric Motor Is Important. Permanent magnets are a critical resource for renewables, as the generators in some wind turbines and motors in electric vehicles rely on them to run. A Floridian ...

ZF has announced the development of a new electric motor that eliminates the need for magnets found in traditional electric drive motors. The company’s new I2SM with inductive exciter technology ...

German supplier Mahle's 'perfect motor' tech kit combines its new electric motor with a magnet-free, contactless transmitter. September 14, 2023 02:00 PM. John Irwin Tweet Share ...

Several companies around the globe have been hard at work innovating and refining magnet-free electric motors to make them a more viable option for the fast-growing EV industry. ZF Friedrichshafen ...

Before this neodymium-iron-boron magnet came along in 1984, electric motors, generators, audio speakers, hard-disk drives, and the like had to make do with pricey samarium-cobalt magnets.

In comparison, Tesla’s Model S motor can reach up to 18,000 RPM, explained the company’s principal motor designer Konstantinos Laskaris in a 2016 interview with Christian Ruoff of the electric ...

ZF has developed a magnet-free electric motor disparate to Separately excited synchronous motors. The motor is compact with maximum power and torque density as ZF’s I 2 SM (In-Rotor Inductive ...

Auto parts maker Marelli, owned by U.S. fund KKR , opens new tab, says it is "exploring the use of alternative materials for electric motors to meet (automakers') requirements for magnet-free ...

Tesla will create a permanent magnet electric vehicle motor with zero rare earth elements in it, the company announced at its Investor Day today.. Rare earth elements are a bone of contention in ...

We’ve seen other six-phase electric motors in high-power EVs like Ford’s 1,973 hp Supervan. What we can do a little more informed speculation on is the “raxial flux” part of the name.