A Designed Energy Management System (EMS) for an Off- Grid Residential Microgrid | [Mehran University Research Journal of Engineering and Technology • 2022]

Author(s):

1. Olivier Kiraga Cyubahiro: Centre for Distributed Power and Electronic Systems (CDPES), Cape Peninsula University of Technology (CPUT) PO Box 1906, Bellville 7535, Cape Town, South Africa

2. Martial Giraneza: Centre for Distributed Power and Electronic Systems (CDPES), Cape Peninsula University of Technology (CPUT) PO Box 1906, Bellville 7535, Cape Town, South Africa

3. Khaled Abo-Al-Ez: Centre for Distributed Power and Electronic Systems (CDPES), Cape Peninsula University of Technology (CPUT) PO Box 1906, Bellville 7535, Cape Town, South Africa

4. Mohamed Tariq E. Kahn: Centre for Distributed Power and Electronic Systems (CDPES), Cape Peninsula University of Technology (CPUT) PO Box 1906, Bellville 7535, Cape Town, South Africa

Abstract:

This paper proposes an Energy Management System (EMS) of an off-grid residential microgrid comprised of a solar photovoltaic array, wind turbine, and a battery-based energy storage system for a residential building in a remote area. The aim is to design a less complex energy management system that addresses energy resources dispatch challenge in a hybrid residential microgrid. It equitably dispatches resources and manages the generated energy to meet the residential load. The management control system algorithm is implemented using the state machine and simulated in MATLAB/Simulink environment for validation. Three scenarios are simulated, they emulate various contingencies scenarios that might rise due to the intermittency nature of the renewable resources. Simulation results show that the proposed energy management system achieves its design objectives. It maintains the power supply and demand balance, through an appropriate scheduling of resources even during contingency due to the intermittence nature of the renewable resources.

Page(s): 1-13

DOI: 10.22581/muet1982.2201.01

Published: Journal: Mehran University Research Journal of Engineering and Technology, Volume: 41, Issue: 1, Year: 2022

Keywords:

Energy Management , Battery , Microgrid , State machine , Supplydemand balance , Wind system , Photovoltaic system

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