Single Stage Power Control Strategy for Nanogrid Connected Solar PV System

Authors

  • Rakesh Namani Department of EE, Rajiv Gandhi University of Knowledge Technologies, Basar, Telangana, India
  • Babu Natarajan Department of EEE, National Institute of Technology, Tiruchirappalli, Tamilnadu, India
  • Senthilkumar Subramaniam Department of EEE, National Institute of Technology, Tiruchirappalli, Tamilnadu, India
  • Madhusudanan Gurusamy Department of EEE,SRM Valliammai Engineering College, Chengalpattu, Tamilnadu, India

DOI:

https://doi.org/10.13052/dgaej2156-3306.37317

Keywords:

Single stage power conversion, nanogrid, decoupled control strategy, maximum power point tracking, and DC-AC inverter

Abstract

The focus on reduction of converter size in nanogrid connected Photo-Voltaic
(PV) systems increases to obtain the various advantages. This paper proposes
a single stage nanogrid connected solar PV system that works with DC-AC
inverter along with the closed loop control strategy to send the maximum
power from the PV array. The proposed scheme controls the power delivery
of the PV system to nanogrid in a single stage power conversion along with
the incorporated Maximum Power Point Tracking (MPPT) controller. The
decoupled control strategy has been designed and developed for the proposed
system using synchronous reference frame theory. The developed hardware
prototype in the laboratory has been used to validate MATLAB/Simulink sim-
ulation results. The simulation and experimental results have been observed for dynamic changes in irradiation by maintaining the Total Harmonic Dis-
tortion (THD) within the standard limits while operating at unity power
factor. The successful validation of the proposed control strategy shows its
usefulness in real-time nanogrid applications.

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Author Biographies

Rakesh Namani, Department of EE, Rajiv Gandhi University of Knowledge Technologies, Basar, Telangana, India

Rakesh Namani received his B.Tech degree in Electrical and Electron-
ics Engineering from Kakatiya University, Warangal, Telangana, India, in
2008. He received his M.S (by Research) degree in Electrical and Electron-
ics Engineering from the National Institute of Technology, Tiruchirappalli,
Tamilnadu, India, in 2013. From June 2013 to February 2016, he served as an
Assistant Professor with the Department of Electrical and Electronics Engi-
neering, Kakatiya Institute of Technology and Science, Warangal, Telangana,
India. From March 2016 to till date, he is working as an Assistant Professor
with the Department of Electrical Engineering, Rajiv Gandhi University of
Knowledge Technologies, Basar, Telangana, India. His research interests include power electronics applications in renewable energy systems, grid-
connected PV systems, and power enhancement of PV arrays.

Babu Natarajan, Department of EEE, National Institute of Technology, Tiruchirappalli, Tamilnadu, India

Babu Natarajan received his M. Tech. degree in Embedded System tech-
nologies from Anna University, Tiruchirappalli, India. He is currently pur-
suing his Ph. D. degree at Nation Institute of Technology, Tiruchirappalli,
India. His areas of interest include electrical drives, control and applications
of power electronics in renewable energy systems

Senthilkumar Subramaniam, Department of EEE, National Institute of Technology, Tiruchirappalli, Tamilnadu, India

Senthilkumar Subramaniam received the B.E. degree in Electrical and
Electronics Engineering from Madurai Kamaraj University, Madurai, India,
in 1999, the M.Tech. degree in Electrical Drives and Control from
Pondicherry University, Puducherry, India, in 2005, and the Ph.D. degree in
Electrical Engineering from the National Institute of Technology, Tiruchi-
rappalli, India, in 2013. He has 20 years of teaching experience at various
engineering institutions. He is currently working as an Associate Professor with the National Institute of Technology. He has extensively researched on
self-excited induction generators for standalone and grid-connected applica-
tions. His current research interests include the development of new power
converter topologies for renewable energy systems and intelligent transporta-
tion systems.

Madhusudanan Gurusamy, Department of EEE,SRM Valliammai Engineering College, Chengalpattu, Tamilnadu, India

Madhusudanan Gurusamy received his Bachelor’s Degree in Electrical
and Electronics Engineering from Bharathidasan University, Trichy, Tamil
Nadu, India in the year 1997. He received his M.E. Degree in Power Elec-
tronics and Drives from Bharathidasan University, Tiruchirappalli during the
year 2000. He received his Ph.D. degree in Electrical Engineering from
National Institute of Technology, Tiruchirappalli in the year 2020. He has
been working with the Department of Electrical Engineering, SRM Val-
liammai Engineering College, affiliated to Anna University, Chennai, India,
since 2000. His research interests include Power Electronic Controllers for
Renewable Energy System, Energy storage and Battery management system.

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Published

2022-02-16

How to Cite

Namani, R. ., Natarajan, B. ., Subramaniam, S. ., & Gurusamy, M. . (2022). Single Stage Power Control Strategy for Nanogrid Connected Solar PV System. Distributed Generation &Amp; Alternative Energy Journal, 37(3), 749–770. https://doi.org/10.13052/dgaej2156-3306.37317

Issue

2022: Vol 37 Iss 3

Section

Articles