Developing a new SVPWM control strategy for open-winding brushless doubly fed reluctance generators

Fengge Zhang, Liancheng Zhu, Shi Jin, Wenping Cao, Dairui Wang, James L. Kirtley

Research output: Contribution to journalArticlepeer-review


In this paper, a new open-winding control strategy is proposed for a brushless doubly fed reluctance generator (BDFRG) used for stand-alone wind turbine or ship generators. The BDFRG is characterized with two windings on the stator: a power winding and a control winding. The control winding is fed with dual two-level three-phase converters, and a vector control scheme based on space vector pulsewidth modulation is designed. Compared with traditional three-level inverter systems, the dc-link voltage and the voltage rating of power devices in the proposed system are reduced by 50% while still greatly improving the reliability, redundancy, and fault tolerance of the proposed system by increasing the switching modes. Its performance is evaluated by simulation in MATLAB/Simulink and an experimental study on a 42-kW prototype machine.
Original languageEnglish
Pages (from-to)4567-4574
Number of pages8
JournalIEEE Transactions on Industry Applications
Issue number6
Early online date28 Jul 2015
Publication statusPublished - Nov 2015

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