Controller Strategy for Open-Winding Brushless Doubly-Fed Wind Power Generator with Common Mode Voltage Elimination

Zhang, Fengge, Zhu, Liancheng, Jin, Shi, Su, Xiaoying, Ademi, Sul and Cao, Wenping (2018). Controller Strategy for Open-Winding Brushless Doubly-Fed Wind Power Generator with Common Mode Voltage Elimination. IEEE Transactions on Industrial Electronics , p. 1.


This paper presents the theoretical derivation and implementation of a novel direct power control for open-winding brushless doubly-fed reluctance generator (OW-BDFRG). As one of the promising brushless candidates, the OW-BDFRG is characterized with two stator windings fed by a dual controllable two-level three-phase converters through a common DC bus with common mode voltage elimination. The parameter-free control strategy is designed to obtain maximum power point tracking with variable speed constant frequency (VSCF) for wind energy conversion systems (WECSs). Compared to the traditional three-level converter systems, the DC bus voltage, AC-side voltage and capacity ratings of the proposed converter system are notably high while the reliability, redundancy and fault tolerance are significantly improved. Effectiveness, correctness and robustness of the proposed control strategy and the common mode voltage elimination scheme are evaluated and confirmed through simulation and experimental tests on a 42 kW generator prototype typical for VSCF-WECS.

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Divisions: Engineering & Applied Sciences
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Uncontrolled Keywords: Brushless doubly-fed machines,power control,common mode voltage,open-winding,variable speed constant frequency,maximum power point tracking
Full Text Link: http://ieeexplo ... cument/8307494/
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Published Date: 2018-03-07
Authors: Zhang, Fengge
Zhu, Liancheng
Jin, Shi
Su, Xiaoying
Ademi, Sul
Cao, Wenping ( 0000-0002-8133-3020)



Version: Accepted Version

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