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Power Electronics

Path-Finder Optimization Based Control of Grid-Tied PV Hybrid Energy Storage System

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Abstract

This paper presents a path-finder algorithm (PFA) of meta-heuristic optimization for the performance enhancement of the bias compensated normalized maximum correntropy criteria (BCNMCC) based voltage source converter (VSC) control for a three-phase three-wire grid-tied dual-stage PV system. The DC link voltage (VDC) variations during induced dynamic conditions are minimized by PFA optimized PI controller which also generates an accurate loss component of current (Id1) for enhancing the VSC control performance. The BCNMCC algorithm effectively performs the system identification and echo cancellation in the presence of Gaussian noises. An accurate Id1 improves the VSC ability to accurately extract the fundamental load current component and to produce precise weight signals. The BCNMCC performs multifunctional operations, i.e., reactive power compensation, harmonics elimination, load balancing, and power balancing at point of common coupling during steady-state and various dynamic conditions, i.e., grid-islanding & re-synchronization, irradiation variation, unbalanced load and fixed power mode. The proposed system is capable of operating under grid-tied and isolated mode due to the seamless transition of a VSC control from grid current control (GCC) to voltage control. The seamless transition of VSC control does not induce any major transients at the source and on the load side of the system. The hybrid energy storage system (HESS) with a battery, fuel-cell and ultra-capacitor further improves the reliability of the PV system and the stability of the overall system during both grid-tied and isolated operations. The proposed system performs satisfactorily under steady-state and diverse dynamic states as per IEEE519 standards.

Additional information

Notes on contributors

Mukul Chankaya

Mukul Chankaya received his BTech (Electrical Engg) degree from Kurukshetra University, Kurukshetra, Haryana, India in 2008, MTech (Power System & Design) from Y M C A University of Science and Technology, Faridabad, Haryana, India in 2012 and currently pursuing PhD from National Institute of Technology, Srinagar, J&K, India, respectively. He worked as an assistant professor in the Lovely Professional University from 2012 to 2017. His areas of interest are renewable energy systems, power electronics, power quality, and optimization. Mr Chankaya was a recipient of the IEEE SCES 2020 best paper award in 2020.

Aijaz Ahmad

Aijaz Ahmad received his BE (Electrical Engg) degree from National Institute of Technology (NIT), Srinagar, India in 1984, MTech and PhD from Indian Institute of Technology, New Delhi, India in 1991 and 1998, respectively. He was a lecturer and later assistant professor in the Electrical Engineering Department, NIT, Srinagar. Since 2006 he has been working there as a professor. In between, he remained head of the Department from 2012 to 2015. His main research interests are power system operation & optimization, power system restructuring and deregulation, flexible AC transmission, energy system planning & auditing. Aijaz Ahmad is a Member IEEE, Fellow of Institution of Engineers (India), Life Member of Indian Society for Technical Education and Member Global Science and Technology Forum. Email: [email protected]

Ikhlaq Hussain

Ikhlaq Hussain(M’14) received his BE (Electrical) from University of Jammu, Jammu, India, in 2009, MTech (Gold Medalist) in electrical power system management from the Jamia Millia Islamia (a Central University), New Delhi, India, in 2012 and PhD in the Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India, in 2018. His areas of research interests include power electronics, power quality, custom power devices, renewable energy systems, power system management and microgrid. Dr Hussain was a recipient of the POSOCO power system award (PPSA), Gandhian Young Innovations Award in 2018, Outstanding Faculty researcher in the field of energy for 2017–2018. He participated as a young scientist in 3rd BRICS young scientist conclave from 25th to 29th June 2018 at Durban, South Africa by Department of Science & Technology, Govt of India. Email: [email protected]

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