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Title
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A Zeno-Free Event-Triggered Secondary Control for AC Microgrids
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Type
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JournalPaper
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Keywords
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Voltage control , Frequency control , Reactive power , Microgrids , Cutoff frequency , Steady-state , Frequency measurement
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Abstract
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This paper proposes a secondary voltage, frequency, and active power sharing control for autonomous inverter-based microgrids with event-triggered communications. A proportional-integral consensus-based control scheme is introduced which benefits from need-based (event-triggered) data exchange among distributed generators. The employed event-triggering condition i ) ensures the system stability, ii ) ensures that the system is Zeno-free and there exists a controllable minimal inter-event time, iii ) removes the redundant communications during both transient and steady-state stages, iv ) accounts for directed communication network architectures, and v ) is fully distributed from both design and implementation standpoints. Effectiveness of the proposed controller for various case studies is verified via MATLAB/Simulink-based simulations. Comparison between different cases and conventional strategies are also included.
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Researchers
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Babak Abdolmaleki (First Researcher), Qobad Shafiee (Second Researcher), Frede Blaabjerg (Fifth Researcher), Mohammad Mehdi Arefi (Fourth Researcher), Alireza Seifi (Third Researcher)
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