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- The first set of high-speed EMU successful development of rare earth permanent magnet traction motorPublished??2013??04??09??
- "Twelve Five" Shanxi Science and Technology major projects, "equipment manufacturing key technology" special, borne by the Yongji Xinshisu Electric Appliance Co., Ltd. 700kW high-speed EMU with a rare earth permanent magnet synchronous traction motor development projects to achieve substantive results . Up to now, the project unit has completed the first set of high-speed EMU permanent magnet traction motor prototype development and design, and complete the prototype.
The project CRH3 type high-speed EMU operating conditions based on the development of the first set of high-speed EMU permanent magnet traction motor. Through independent research and development, the existing EMU assembly conditions, enhance the high-speed EMU traction motor power and efficiency, high-speed EMU uniaxial traction power from 560kW up to 700kW (power axis), and the safe and reliable operation.
Currently in the country, the railway locomotive traction most AC induction variable frequency motor drive system based permanent magnet motor and electric drive system, the application is still in the blank stage. With respect to the traditional AC induction variable frequency motor, variable frequency permanent magnet synchronous traction motor and drive system locomotive can improve the operation of EMU motor torque output and power conversion efficiency, reduce energy consumption up to 15%, and smaller vehicles, lightweight and low noise, reduce operating costs and extend the life cycle of our current high-speed EMU.
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