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Optimal switching scheme of thyristor-controlled LC compensator to enhance the power quality in unbalance distribution system

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Abstract

This study presents a low-cost thyristor-controlled LC compensator scheme for the improvement of overall power quality in the distribution system. The parameters of the compensator have been designed and optimal triggering angles for thyristor switching have been obtained for reducing the unbalanced condition and harmonic injection at a high power factor. Compared to the traditional static VAr compensator schemes, the proposed technique can significantly reduce the harmonic injection into the system. The particle swarm optimization technique has been applied to compute the optimal triggering angles, and different aspects of the power quality factor have been assessed through rigorous simulations. Power quality assessment has been further validated through an experimental setup in the laboratory. Finally, a comparison of the proposed scheme with other similar schemes has been carried out to highlight its efficacy.

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Authors and Affiliations

  1. Department of Electrical Engineering, B.P. Poddar Institute of Management and Technology, Kolkata, 700052, India

    Anushree Roy

  2. Department of Electrical Engineering, Jadavpur University, Kolkata, 700032, India

    Sudipta Debnath

  3. Department of Electrical Engineering, Calcutta Institute of Engineering and Management, Kolkata, 700042, India

    Subhra De

Authors
  1. Anushree Roy
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  2. Sudipta Debnath
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  3. Subhra De
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Contributions

The corresponding author conceptualized the theory, performed the computations, developed a hardware setup, and carried out an experiment for validation of the theory. She wrote the manuscript with support from the other two authors. All authors discussed the results and contributed to the final manuscript.

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Correspondence to Anushree Roy.

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Roy, A., Debnath, S. & De, S. Optimal switching scheme of thyristor-controlled LC compensator to enhance the power quality in unbalance distribution system. Electr Eng 105, 2267–2286 (2023). https://doi.org/10.1007/s00202-023-01782-x

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  • DOI: https://doi.org/10.1007/s00202-023-01782-x

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