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Real-Time Implementation of Electric Spring Using a Nine Switch Converter Topology for Combined Power Control in a Hybrid Microgrid System

Real-Time Implementation of Electric Spring Using a Nine Switch Converter Topology for Combined... This work proposes an electric spring using a novel nine-switch converter topology (NSC) for power control of an isolated hybrid microgrid system. The hybrid microgrid system comprises a constant power source of a micro-hydro-based self-excited induction generator and a photovoltaic system equipped with battery energy storage. Generally, the ‘generation following load’ (GFL) strategy is used for an isolated system. This suggests the generation be varied according to the load demand. An electric spring works on a ‘load following generation’ (LFG) strategy. Hence, the load demand can be adjusted according to the generation. In this proposed work the loads are segregated into two types, namely sensitive load and non-sensitive load. A nine-switch converter is used in this work, which operates partly as a series and partly as a shunt compensator. The series side of NSC is connected to a non-sensitive load to form an electric spring. The Shunt side of the NSC acts as a power modulator to control the PV side power flow. The proposed isolated hybrid microgrid system is subjected to load and source variation. To study the performance analysis, MATLAB/Simulink is used to simulate the proposed system. The simulation performance is tested with OPAL-RT 5700 system. Typical results are given to prove our claims. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arabian Journal for Science and Engineering Springer Journals

Real-Time Implementation of Electric Spring Using a Nine Switch Converter Topology for Combined Power Control in a Hybrid Microgrid System

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References (25)

Publisher
Springer Journals
Copyright
Copyright © King Fahd University of Petroleum & Minerals 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
2193-567X
eISSN
2191-4281
DOI
10.1007/s13369-023-07846-1
Publisher site
See Article on Publisher Site

Abstract

This work proposes an electric spring using a novel nine-switch converter topology (NSC) for power control of an isolated hybrid microgrid system. The hybrid microgrid system comprises a constant power source of a micro-hydro-based self-excited induction generator and a photovoltaic system equipped with battery energy storage. Generally, the ‘generation following load’ (GFL) strategy is used for an isolated system. This suggests the generation be varied according to the load demand. An electric spring works on a ‘load following generation’ (LFG) strategy. Hence, the load demand can be adjusted according to the generation. In this proposed work the loads are segregated into two types, namely sensitive load and non-sensitive load. A nine-switch converter is used in this work, which operates partly as a series and partly as a shunt compensator. The series side of NSC is connected to a non-sensitive load to form an electric spring. The Shunt side of the NSC acts as a power modulator to control the PV side power flow. The proposed isolated hybrid microgrid system is subjected to load and source variation. To study the performance analysis, MATLAB/Simulink is used to simulate the proposed system. The simulation performance is tested with OPAL-RT 5700 system. Typical results are given to prove our claims.

Journal

Arabian Journal for Science and Engineering – Springer Journals

Published: Nov 1, 2023

Keywords: Battery energy storage system; Electric spring; Generation following load; High integration ratio; Load following generation; Nine switch converter; Photovoltaic; Self-excited induction generator

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