Mueller M A．Design and performance of a 20kW, 100rpm, switched reluctance generator for a direct drive wind energy converter[C]．IEEE Electric Machines and Drives, 2005：15-18．
[2]
Cheng M, Fan Y, Chau K T．Design and analysis of a novel stator-doubly-fed doubly salient motor for electric vehicles[J]．Journal of Applied Physics, 2005, 97(10)：10Q508-1-3．
[3]
Zhang Jianzhong, Cheng Ming．A novel outer rotor permanent magnet generator with doubly salient structure for directly coupled wind turbines[J]．
[4]
Fan Y, Chau K T, Cheng M．A new three-phase doubly salient permanent magnet machine for wind power generation[J]．IEEE Transaction on Industry Applications, 2006, 42(1)：53-60．
[5]
Fan Y, Chau K T, Niu S X．Development of a new brushless doubly fed doubly salient machine for wind power generation[J]．IEEE Transation on Magnetics, 2006, 42(10)：3455-3457．
[6]
Vizireanu D, Brisset S, Brochet P．Design and optimization of a 9-phase axial-flux PM synchronous generator with concentrated winding for direct-drive wind turbine[C]．IEEE Industry Applications Conference, 2006, 1(1)：1912-1918.
[7]
Spooner E, Gordon P, Bumby J R, et al．Lightweight ironless-stator PM generators for direct-drive wind turbines[C]．IEE Electric Power Applications, 2005, 152(1)：17-26．
[8]
Wang F X, Ren J, Zheng W, et al．A multi-ploe low speed doubly fed brushless generator for direct driven VSCF wind power system[C]．IEEE International Conference on Power System Technology, 2006 1(1)：8-12．
[9]
Grauers A, Kasinathan P, and Hamdi E S．Force density limits in low-speed permanent magnet machine due saturation[J].IEEE Transaction on Energy Conversion, 2005, 20(1)：37-44．
[10]
Bywaters G, John V, Lynch J, et al．Northern power systems WindPACT drive train alternative design study report, NREL, Golden, Colorado, report number NREL/SR-500-35524, 2004.Available:http://www.nrel.gov/docs/fyO3osti/33196.pdf.
[11]
Torrey D A, Hassanin M．The design of low-speed variable-reluctance generators[C]．IEEE Industry Applications Conference, 1995, 1(1)：8-12．
