Enhancement of Power Quality in Solar Fed Using Optimum controller Techniques

Authors

  • P. Ramesh  Electrical Engineering, SVCN-NELLORE, Andhra Pradesh, India
  • T. Srikanth  Electrical Engineering, SVCN-NELLORE, Andhra Pradesh, India
  • B. Mary Niharika  Electrical Engineering, SVCN-NELLORE, Andhra Pradesh, India
  • SK.Yasmeen  Electrical Engineering, SVCN-NELLORE, Andhra Pradesh, India
  • D. Lakshmi Pavani  Electrical Engineering, SVCN-NELLORE, Andhra Pradesh, India
  • B. Siva Sai Sowmya  Electrical Engineering, SVCN-NELLORE, Andhra Pradesh, India

Keywords:

Harmonics, Intelligent Control, cascaded H-bridge Multilevel Inverter, Photo Voltaic’s, Power Quality, Voltage Regulation

Abstract

The presence of unwanted frequencies in Photo Voltaic (PV) energy conversion system results in reduction of power quality. To address such issue, this paper aims to investigate the elimination of harmonics in a solar fed cascaded fifteen level inverter with aid of Proportional Integral (PI), Artificial Neural Network (ANN) and Fuzzy Logic (FL) based controllers.The implementation of 15 level cascaded H-bridge multilevel inverter generates a number of output voltages level with the same number of power semiconductor device.The phase distortion pulse width modulation technique is used for controlling the power semiconductor switches in MLI. Unlike other techniques, the proposed FLC based approach helps in obtaining reduced harmonic distortions that intend to an enhancement in power quality. In addition to the power quality improvement, this paper also proposed to provide output voltage regulation in terms of maintaining voltage and frequency at the inverter output end in compatible with the grid connection requirements. The simulations are performed in the MATLAB / Simulink environment for solar fed cascaded 15 level inverter incorporating PI, ANN and FL based controllers. To exhibit the proposed technique, a 3 kw photovoltaic plant coupled to multilevel inverter is designed. All the three techniques are experimentally investigated with the measurement of power quality metrics along with establishing output voltage regulation.

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International Journal of Scientific Research in Science and Technology

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Published

2022-06-30

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Volume 9, Issue 3, May-June-2022

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Research Articles

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[1]
P. Ramesh, T. Srikanth, B. Mary Niharika, SK.Yasmeen, D. Lakshmi Pavani, B. Siva Sai Sowmya, " Enhancement of Power Quality in Solar Fed Using Optimum controller Techniques, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 9, Issue 3, pp.692-706, May-June-2022.