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Optimal design of passive RC-damped LCL filter for grid-connected voltage source inverters

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Abstract

In this paper, a new and efficient global optimization method known as teaching–learning-based optimization is adopted to optimally design the parameters of a passive RC-damped LCL filter for grid-connected voltage source inverters. The novel proposed objective function of the optimization algorithm is to minimize the values of inductors and capacitors. The proposed design improves inverter efficiency and minimizes filter stored energy at a predefined operating and switching frequencies. Moreover, the proposed design procedure may reduce the complexity of the passive RC-damped LCL filter by removing one inductor or one capacitor. The optimal design procedure is built based on an accurate mathematical model and description of the filter topology. A detailed comparison between the results of the proposed work and related work in the literature is thoroughly discussed. The optimized filter is designed, built, and validated analytically and experimentally for verification based on a hardware prototype.

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Authors and Affiliations

  1. Department of Electrical Engineering, Faculty of Engineering, Jordan University of Science and Technology, Irbid, Jordan

    Saher Albatran, Issam A. Smadi & Hamzeh J. Ahmad

  2. Department of Electrical Power Engineering, Hijjawi Faculty for Engineering Technology, Yarmouk University, Irbid, Jordan

    Ahmed Koran

Authors
  1. Saher Albatran
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  2. Ahmed Koran
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  3. Issam A. Smadi
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  4. Hamzeh J. Ahmad
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Correspondence to Saher Albatran.

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Albatran, S., Koran, A., Smadi, I.A. et al. Optimal design of passive RC-damped LCL filter for grid-connected voltage source inverters. Electr Eng 100, 2499–2508 (2018). https://doi.org/10.1007/s00202-018-0725-5

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  • DOI: https://doi.org/10.1007/s00202-018-0725-5

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