5Polinder H, VanDer P, Frank F A. Comparison of direct drive and geared generator concepts for wind turbines[J]. IEEE Transactions on Energy Conversion, 2006,21(3) :725 - 733.
6Bolognani S, Tomasini M, Tubiana L, et al. Start-up strategy for a sensorless direct drive PM generator for wind turbines [ C ] // Proceedings of the IEEE International Symposium on Industrial Electronics. Dubrovnik, Croatia: IEEE, 2005:1801- 1806.
7张喜茂.直驱风力发电变流器及控制研究[D].成都:西南交通大学电气工程学院,2010.
8FELTES C, ENGELHARDT S, KRETSCHMANN J, et al. High voltage ride through of DFIG-based wind turbines[C]// Proceedings of 2008 IEEE Power & Energy Society General Meeting: Conversion and Delivery of Electrical Energy in the 21st Century, July 20-24, 2008, Pittsburgh, PA, USA: 1-8.
9WESSELS C, FUCHS F W. High voltage ride through with FACTS for DFIG based wirid turbines[C]//Proceedings of 2009 13th European Conference on Power Electronics and Applications ( EPE' 09 ), September 8 10, 2009, Barcelona, Spain : 1-10.
10E. ON Netz. Grid code for high and extra high voltage[S]. Bayreuth, Germany: E. ON Netz GwbH, 2006.