4.8 Article

Wiener Variable Step Size With Variance Smoothening Based Adaptive Neurons Technique for Utility Integrated PV-DSTATCOM System

Journal

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 69, Issue 12, Pages 13384-13393

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2021.3134077

Keywords

DC-AC converter; maximum power point tracking (MPPT); photovoltaic (PV) system; power quality; total harmonics distortion (THD); Wiener variable step size with variance smoothening (WVSSV)

Funding

  1. Department of Science and Technology, Government of India [SRG/2020/1742, RP03357, RP03391]
  2. Science and Engineering Research Board National Science Chair Fellowship

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This article introduces the Wiener variable step size with variance smoothening (WVSSV) technique for the utility supportive solar photovoltaic (PV) system. The WVSSV technique controls the dc-ac converter to perform power factor correction, compensation of nonactive component, and reduction of total harmonics distortion (THD) from the utility grid. It presents robustness and good adaptation in highly adverse nonlinear load conditions.
In this article, the Wiener variable step size with variance smoothening (WVSSV) technique is introduced for the utility supportive solar photovoltaic (PV) system. This system performs the function of power factor correction, compensation of nonactive component, and reduction of total harmonics distortion (THD) from the utility grid. The dc-ac converter is used in between the PV array and the common connection point and it is controlled through the WVSSV technique to produce the switching signals. The WVSSV technique presents impressive robustness and good adaptation in highly adverse nonlinear load conditions by estimating the clean and harmonic less fundamental component. The presented technique has a good convergence rate even at the starting of adapting and the step size is adjusted to eliminate the variety of noise and harmonics of nonlinear loads. The efficacy of the WVSSV control technique is presented through simulated and test results and depicts the improved steady-state as well as dynamic performances of the PV system. The THDs of grid parameters are found under the IEEE-519 standard in different working conditions.

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