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ABSTRACT
A grid-connected residential photovoltaic (PV) system has been proposed using novel adaptive linear combiner filter-based control for power quality (PQ) improvement. In the present work, novel adaptive linear combiner (ALC) filter-based control-based control has been proposed to generate reference current. MATLAB/Simulink software is used to develop the two-stage grid-connected residential PV. The proposed control is tested in MATLAB/Simulink2018(a) under nonlinear, linear load and variable input and validated experimentally on prototype hardware. The performance of the proposed ALC filter-based control has been analyzed and compared with that of conventional synchronous d-q control. It has been observed from results that THD in grid current using proposed control is 3.74% whereas using conventional d-q control THD is 4.75%. Proposed control provides more efficient performance by improving the PQ of the system by compensating the harmonics and reactive load demand. Harmonic distortion in the grid current is within the limits as per IEEE-1547. Furthermore, proposed control has better transient response viz. settling time, under shoot and overshoot in DC link voltage during grid connection of rooftop PV system and provides, reduced complexity due to absence of phase lock loop (PLL), thus less sampling time, better accuracy, ease of implementation, and adaptability.
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No potential conflict of interest was reported by the author(s).
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Mukesh Kumar Gupta
Mukesh Kumar Gupta is currently pursuing Ph.D. degree with the Department of Computer Science & Engineering at the Manav Rachna International Institute of Research & Studies, Faridabad (Haryana), India. He received the bachelor’s degree in electronics and communication from DTU Delhi, in 2015 and master’s degree in computer science engineering from the Jamiya Hamdard university Delhi, in 2018. His research interest are Data Structures and Algorithms, Power electronics and systems, nature-inspired materials and devices.
Brijesh Kumar
Professor Brijesh Kumar is currently Head IBM/SAP programs with Computer Science & Engineering, Department of FET at Manav Rachna International Institute of Research & Studies, Faridabad (Haryana), India since August 2018. Prof. Kumar, completed Ph.D. (2009) in Computer Science in the area of Network Simulation from Kurukshetra University, Kurukshetra. He has done M.Tech in Computer Sc.(2001) and M.Tech in Applied Geophysics (1996) from Kurukshetra University. His area of interests includes Free and open source software, web technologies, computer networks, and simulation.
Avdhesh Kumar
Avdhesh kumar, received the bachelor’s and master’s degree in electrical engineering from UPTU Lucknow and IIT BHU Varanasi in 2009 and 2014 respectively. He is currently pursuing Ph.D. degree with the department of electrical engineering at the Delhi technological university (Delhi), India.