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93% of EVs sold in 2018 used permanent magnet traction motors

Electric Motor - ChargedEVs

Research firm Adamas Intelligence has reported that 93 percent of all passenger EVs sold in 2018 used permanent magnet (PM) traction motors, an increase of 1 percent from 2017.

PM traction motors use neodymium iron boron (NdFeB) permanent magnets in the rotor, which spin the rotor in response to a rotating magnet field produced in the stator. According to Adamas, PM traction motors can provide up to 15 percent more efficiency than induction motors, and are the most power-dense type of traction motor available.

“Looking ahead, we expect demand for PM traction motors, and the rare earth magnets they contain, to continue on a path of explosive growth as EV demand soars and the sales-weighted average motor power (kW) per EV continues to rise,” stated Adamas.

 

SEE ALSO: Tesla’s top motor engineer talks about designing a permanent magnet machine for Model 3

 

Source: Adamas Intelligence

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