Abstract：The brushless doubly-fed machine (BDFM) is a new type of electrical machines with two AC electrical ports and a common mechanical port.It inherently possesses the variable speed constant frequency (VSCF) capability.It has already been widely recognized as the most promising candidate for replacing the slip-ring doubly-fed induction generator (DFIG) for its distinct advantages such as high reliability and reduced maintenance cost due to the elimination of brushes and approximate decoupled control of active and reactive power. This paper introduces the machine topologies and operating principles of a vast variety of existing BDFMs with the similarities,differences and challenges in current research summarized,compares the torque/power density from the perspective of machine design,and overviews the analysis design methods and control strategies,with the internal consistency of control of different BDFMs discussed. Based on the design,modeling,and control of BDFM,a novel dual-stator brushless doubly-fed induction machine is proposed,analyzed,and controlled for stand-alone as well as grid-connected power generation with experimental validation.Finally,the potential applications and future trends of BDFMs are discussed.
程明,韩鹏,魏新迟. 无刷双馈风力发电机的设计、分析与控制[J]. 电工技术学报, 2016, 31(19): 37-53.
Cheng Ming, Han Peng, Wei Xinchi. Design,Analysis and Control of Brushless Doubly-Fed Generators for Wind Power Application. Transactions of China Electrotechnical Society, 2016, 31(19): 37-53.
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2016, Vol. 31 
