New Hybrid Power Filter for Power Quality Improvement in Industrial Network

Authors

  • I. Pecha Author
  • J. Tlusty Author
  • Z. Müller Author
  • V. Valouch Author

DOI:

https://doi.org/10.24084/repqj09.307

Abstract

The new topology and control strategy of the Hybrid Power Filter (HPF) with a split passive part whose impedance is divided into two individual parts tuned to 50 Hz and 250 Hz is presented. The topology is very effective to mitigate harmonic currents of a non-linear load, especially for high frequencies. The value of the voltage of fundamental frequency at terminals of an electronic power converter is in the range of several percent of that voltage at the Point of Common Coupling (PCC) at the same time. Additionally, the functionality of this HPF is affected by changes of the grid inductance only negligibly. The behaviour and properties of the new HPF were compared with those for a usual option of the HPF and for a classic passive compensation by simulation done in the Matlab/Simulink environment. The voltage and current responses and their harmonic spectra were also measured in the real industrial plant Remarkplast, Ltd. under different conditions. The results obtained were in the line with those got by a theoretical analysis done in the frequency domain and confirm the priority of the new HPF above other HPF topologies.

Author Biographies

  • I. Pecha

    1 Elektro, Ltd.

    Bouzov, Czech Republic

    E-mail: ivo.pecha@seznam.cz

  • J. Tlusty

    Department of Electric Power Engineering

    Faculty of Electrical Engineering, CTU

    Prague, Czech Republic

    E-mail: tlusty@fel.cvut.cz

  • Z. Müller

    Department of Electric Power Engineering

    Faculty of Electrical Engineering, CTU

    Prague, Czech Republic

  • V. Valouch

    Institute of Thermomechanics

    Academy of Sciences of the Czech Republic

    Prague, Czech Republic

    E-mail: valouch@it.cas.cz

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Published

2024-01-17

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Section

Articles