期刊
ELECTRICAL ENGINEERING & ELECTROMECHANICS
卷 -, 期 3, 页码 8-17出版社
NATL TECHNICAL UNIV KHARKIV POLYTECHNICAL INST
DOI: 10.20998/2074-272X.2021.3.02
关键词
super twisting algorithm; synergetic command; asynchronous generator; direct active and reactive power command
In this study, the amelioration of direct power control using synergetic-super twisting algorithms for asynchronous generators in dual-rotor wind turbine systems was presented. The novel control strategy based on synergetic command and super twisting algorithms demonstrated robustness against parameter changes and disturbances, resulting in improved power quality. Results show that the synergetic-super twisting algorithms outperformed traditional strategies by minimizing torque and power undulations, and reducing harmonic distortion of stator current.
Aim. This work presents the amelioration of direct power control using synergetic-super twisting algorithms for asynchronous generators integrated into dual-rotor wind turbine systems. Method The main role of the direct power control is to control the active and reactive powers and reduce the harmonic distortion of stator current of asynchronous generator for variable speed dual-rotor wind turbine systems. The traditional strategy is more attractive due to its high efficiency and simple algorithm. Super twisting algorithms are a non-linear command strategy; characterized by robustness against the parameters change or disturbances, it gives a good power quality under different conditions such as changing generator parameters. Novelty. Synergetic-super twisting algorithms are designed. Synergetic-super twisting algorithms construction is based on synergetic command and super twisting algorithms in order to obtain a robust control strategy and a fast system with acceptable precision. We use in our study a 1.5 MW asynchronous generator integrated to dual-rotor wind turbine system in order to regulate the active and reactive powers. Results. As shown in the results figures using synergetic-super twisting algorithms the ameliorate performances especially minimizes the torque, active and reactive power undulations, and reduces harmonic distortion of stator current (THD = 0.19 %) compared to traditional strategy.
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