Development and Application of Rare Earth Permanent Magnet Electrical Machines

China is abundant in rare earth resource and becomes the center of global magnet industry of 21st century,so it is more conveninent and favorable to develop rare earth permanent magnet electrical machines(REPMM) in China.In this paper,a brief introduction of the advantages,market prospects,direction and achievements of the research and development of the REPMM as well as a brief account of the development of NdFeB permanent magnets for the REPMM is presented.