Standalone DC microgrids as complementarity dynamical systems: Modeling and applications

Arash Dizqah; Alireza Maheri; Krishna Busawon; Peter Fritzson

doi:10.1016/j.conengprac.2014.10.006

Standalone DC microgrids as complementarity dynamical systems: Modeling and applications

Arash Dizqah, Alireza Maheri, Krishna Busawon, Peter Fritzson

Northumbria University

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

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Abstract

It is well known that, due to bimodal operation as well as existent discontinuous differential states of batteries, standalone microgrids belong to the class of hybrid dynamical systems of non-Filippov type. In this work, however, standalone microgrids are presented as complementarity systems (CSs) of the Filippov type which is then used to develop a multivariable nonlinear model predictive control (NMPC)-based load tracking strategy as well as Modelica models for long-term simulation purposes. The developed load tracker strategy is a multi-source maximum power point tracker (MPPT) that also regulates the DC bus voltage at its nominal value with the maximum of ±2.0% error despite substantial demand and supply variations.

Original language	English
Pages (from-to)	102-112
Journal	Control Engineering Practice
Volume	35
DOIs	https://doi.org/10.1016/j.conengprac.2014.10.006
Publication status	Published - 1 Feb 2015

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SDG 7 Affordable and Clean Energy

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10.1016/j.conengprac.2014.10.006

2015 CEP ADAccepted author manuscript, 685 KB

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AU - Maheri, Alireza

AU - Busawon, Krishna

AU - Fritzson, Peter

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Y1 - 2015/2/1

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AB - It is well known that, due to bimodal operation as well as existent discontinuous differential states of batteries, standalone microgrids belong to the class of hybrid dynamical systems of non-Filippov type. In this work, however, standalone microgrids are presented as complementarity systems (CSs) of the Filippov type which is then used to develop a multivariable nonlinear model predictive control (NMPC)-based load tracking strategy as well as Modelica models for long-term simulation purposes. The developed load tracker strategy is a multi-source maximum power point tracker (MPPT) that also regulates the DC bus voltage at its nominal value with the maximum of ±2.0% error despite substantial demand and supply variations.

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VL - 35

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EP - 112

JO - Control Engineering Practice

JF - Control Engineering Practice

ER -

Standalone DC microgrids as complementarity dynamical systems: Modeling and applications

Abstract

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