Photovoltaic (PV) technology is widely used in many applications. However, the PV system depends on the temperature and the amount of solar radiation. The energy produced by the PV system can have a surplus or a shortfall of electric power at demand response (DR), resulting in either loss or no energy use or service interruptions. The problem of discontinuous generation is overcome by crossbreeding. The study investigates the design and energy management of a grid-connected residential PV system with a battery and super-capacitor. The battery, super-capacitor, and PVs terminals are connected to the 311 VDC common bus using three DC-DC converters in a parallel structure. Batteries and super-capacitors are subject to strict stabilisation in boost and run modes, resulting in more precise tuning of the controller. In addition to creating a reference output current to synchronise the hybrid system with the grid using a phase closed loop (PLL), the proposed system provides and manages solar energy and an ON/OFF grid storage system, as well as a two-way connection to enable the homeowner to share the power with the grid. The proposed model was designed, simulated, and tested using MATLAB software.
Energy management; Renewable energy sources; Demand response; Supercapacitor; Grid system; Stand alone; Load priority.
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About the Authors:
Noor Waleed Ramdhan earned her B.Sc. in 2009 from the Technical Engineering College/Mosul, Northern Technical University, Iraq. She currently works as an engineer for the Ministry of Electricity/State Company of Electricity Distribution for North / Nineveh Electricity Distribution, Iraq. She can be contacted at email: email@example.com
Asst. Prof. Dr. Rakan Khalil Antar got his B.Sc., M.Sc. and Ph. D. degrees from University of Mosul, Iraq in 2002, 2005 and 2013 respectively. Now, he is a lecturer at Technical Engineering College, Northern Technical University, Iraq. He is concerned in power electronics, power quality, power converters and drives, and renewable energies. firstname.lastname@example.org
Dr. Ahmed A. Abdullah Al-Karakchi obtained his B.Sc. in 2001 from Al-Mustansiriyah University, M.SC in 2004 from University of Technology, and Ph.D. in (2018) from Northumbria University, UK. Currently. He had a titular as lecturer from 2019. He is working in the Electrical Engineering Specializing in Electrical Power Techniques Engineering Department at Northern Technical University (NTU), Technical College of Engineering/Mosul-Iraq. He can be contacted at email: