A Robust Consensus Algorithm for Current Sharing and Voltage Regulation in DC Microgrids
Michele Cucuzzella,Sebastian Trip,Claudio De Persis,Xiaodong Cheng,Antonella Ferrara,Arjan van der Schaft +5 more
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TLDR
A novel distributed control algorithm for current sharing and voltage regulation in DC microgrids is proposed, proving the achievement of proportional current sharing, while guaranteeing that the weighted average voltage of the microgrid is identical to the weights of the voltage references.Abstract:
In this paper, a novel distributed control algorithm for current sharing and voltage regulation in DC microgrids is proposed. The DC microgrid is composed of several distributed generation units, including buck converters and current loads. The considered model permits an arbitrary network topology and is affected by an unknown load demand and modeling uncertainties. The proposed control strategy exploits a communication network to achieve proportional current sharing using a consensus-like algorithm. Voltage regulation is achieved by constraining the system to a suitable manifold. Two robust control strategies of sliding mode type are developed to reach the desired manifold in a finite time. The proposed control scheme is formally analyzed, proving the achievement of proportional current sharing, while guaranteeing that the weighted average voltage of the microgrid is identical to the weighted average of the voltage references.read more
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Journal ArticleDOI
Distributed Control Strategies for Microgrids: An Overview
Enrique Espina,Jacqueline Llanos,Claudio Burgos-Mellado,Roberto Cardenas-Dobson,Manuel Martinez-Gomez,Doris Saez +5 more
TL;DR: An overview of the state-of-the-art of distributed cooperative control systems for isolated microgrids is presented and Protocols for cooperative control such as linear consensus, heterogeneous consensus and finite-time consensus are discussed and reviewed.
Journal ArticleDOI
Review on non-isolated DC-DC converters and their control techniques for renewable energy applications
Farhan Mumtaz,Nor Zaihar Yahaya,Sheikh Tanzim Meraj,Balbir Singh Mahinder Singh,Ramani Kannan,Oladimeji Ibrahim +5 more
TL;DR: The characteristics of available and on-going trends of non-isolated converters that includes buck-boost, single ended primary inductor converter, cuk, z-source, zeta, and hybrid DC-DC converters are highlighted based on the performance parameters that are analyzed using MATLAB Simulink.
Journal ArticleDOI
Distributed Averaging Control for Voltage Regulation and Current Sharing in DC Microgrids
TL;DR: The proposed distributed control scheme achieves current sharing and average voltage regulation in direct current (dc) microgrids independently of the initial condition of the controlled microgrid, facilitating plug-and-play capabilities.
Journal ArticleDOI
A Consensus-Based Algorithm for Power Sharing and Voltage Regulation in DC Microgrids
TL;DR: A consensus-based algorithm is presented to achieve proportional power sharing and regulation of weighted geometric mean of bus voltages in dc microgrids with ZIP (constant impedance, constant current, and constant power) loads simultaneously.
Proceedings ArticleDOI
Distributed Control and Optimization for Autonomous Power Grids
TL;DR: This article gives a tutorial introduction to new and emerging thrusts in analysis, control, and optimization of future, smart, and cyber-enabled power systems and covers the topics of decentralized control of power converters in low-inertia power systems, real-time control of distribution grids, optimal and distributed frequency control of transmission grids, and coordination of energy supply and demand.
References
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