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Stabilization of DC Bus Voltage of an Isolated DC Microgrid

This paper deals with the robust control strategy used for the isolated DC microgrid. The DC microgrid considered here comprises a solar photo voltaic (PV) source, biomass, biogas, energy storage, and mixed loads. An observer based sliding mode controller is designed for biomass and biogas systems....

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Main Authors:	Singh, Pragya N, Ranjan, Ravi, Karanki, Srinivas Bhaskar
Format:	Conference Proceeding
Language:	English
Subjects:	Adaptive sliding mode Asymptotic stability Biogas Biomass Constant power load DC microgrid Energy storage Lypanov direct method Matlab Microgrids Renewable energy integration Voltage control
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creator	Singh, Pragya N Ranjan, Ravi Karanki, Srinivas Bhaskar
description	This paper deals with the robust control strategy used for the isolated DC microgrid. The DC microgrid considered here comprises a solar photo voltaic (PV) source, biomass, biogas, energy storage, and mixed loads. An observer based sliding mode controller is designed for biomass and biogas systems. The salient feature of a sliding mode controller is that it has a proportional integral sliding surface, due to which it can properly regulate the DC bus voltage irrespective of the disturbances caused by change in load. In order to integrate energy storage systems, a cascaded hybrid proportional integral Lypanov stability-based controller is designed, which ensures the global asymptotic stability of the closed loop system. This controller has better performance and faster response, irrespective of the presence of mixed loads. The effectiveness of controller is explored by simulation using MATLAB/Simulink.
doi_str_mv	10.1109/SPEC56436.2023.10408256
format	conference_proceeding
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language	eng
recordid	cdi_ieee_primary_10408256
source	IEEE Xplore All Conference Series
subjects	Adaptive sliding mode Asymptotic stability Biogas Biomass Constant power load DC microgrid Energy storage Lypanov direct method Matlab Microgrids Renewable energy integration Voltage control
title	Stabilization of DC Bus Voltage of an Isolated DC Microgrid
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