Optimised Power Error Comparison Strategy for Direct Power Control of the Open-winding Brushless Doubly-Fed Wind Power Generator

Zhu, Liancheng, Zhang, Fengge, Jin, Shi, Ademi, Sul, Su, Xiaoying and Cao, Wenping (2018). Optimised Power Error Comparison Strategy for Direct Power Control of the Open-winding Brushless Doubly-Fed Wind Power Generator. IEEE Transactions on Sustainable Energy ,


This paper presents the conceptual analysis and comparative simulation and experimental evaluation of a novel power error comparison direct power control (PEC-DPC) strategy of the open-winding brushless doubly-fed reluctance generator (OW-BDFRG) for wind energy conversion systems (WECSs). As one of the promising candidates for limited speed range application of pump-alike and wind turbine with partially-rated converter. The emerging OW-BDFRG employed for the proposed PEC-DPC is fed via dual low-cost two-level converters, while the DPC concept is derived from the fundamental dynamic analyses between the calculated and controllable electrical power and flux of the BDFRG with two stators measurable voltage and current. Compared to the traditional two-level and three-level converter systems, the OW-BDFRG requires lower rated capacity of power devices and switching frequency converter, though have more flexible switching mode, higher reliability, redundancy and fault tolerance capability. The performance correctness and effectiveness of the proposed DPC strategy with the selected and optimised switching vector scheme are evaluated and confirmed through computer simulation studies and experimental measurements on a 25 kW generator test rig.

Publication DOI: https://doi.org/10.1109/TSTE.2018.2877439
Divisions: Engineering & Applied Sciences
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Related URLs: https://ieeexpl ... cument/8502115/ (Publisher URL)
Published Online Date: 2018-10-22
Authors: Zhu, Liancheng
Zhang, Fengge
Jin, Shi
Ademi, Sul
Su, Xiaoying
Cao, Wenping ( 0000-0002-8133-3020)



Version: Accepted Version

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