China Education Equipment Purchasing News: According to Xinhua News Agency, Nidec has developed a new generation of motors that do not use rare earths. It is expected to be mass-produced in 2013 and supply domestic and foreign manufacturers of electric vehicles and hybrid vehicles.
At the press conference held in Tokyo, the president of Nippon Electric Corporation said that the new generation of motors does not use permanent magnets containing rare earths, but instead rotates the motor by switching the surrounding current of the bearing. Features such as mass production.
In the past, due to the poor control of the current, there were shortcomings of large noise and vibration, so it was not practical. In October last year, Nippon Denki acquired the motor business unit of Emerson Electric Co. of the United States, and used the patented technology owned by this department to solve the above problems and cleared obstacles for practical use.
The motors of hybrid vehicles and electric vehicles usually use special magnets, and rare earth metals such as dysprosium and neodymium are indispensable for improving the performance of such motors. Rare earth prices have risen in recent years, and new electric motors have helped reduce the cost of electric motors in hybrid and electric vehicles.
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