Leelachariyakul, Banyat

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Leelachariyakul, Banyat
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Leelachariyakul, B.
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banyat.le@kmitl.ac.th

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    Item type:Publication,
    Designing HV Reactor With Multiple Air Gap Structure Based on Fringing Flux Factor
    (2024-01-01)
    Yutthagowith, Peerawut
    ;
    Raxsa, Jedsada
    ;
    Leelachariyakul, Banyat
    ;
    Khumpho, Juthathip
    This paper introduces an experimental approach to determining the fringing flux factor (F), representing the leakage flux within the air gap of the magnetic core, for the design of high-voltage (HV) reactors. The formula for determining F was developed from the AC excitation experimental data using curve-fitting techniques on the proposed reactor's reduced-scale model, which features a CC shaped magnetic core with six air gaps. The significant configuration of the model includes an iron core and coil windings. The test conditions for the reduced-scale model are based on the number of turns in the winding, 85 and 300 turns for each coil winding and the length of the air gap, 2 mm. and 5 mm. for each gap. Based on experiments with the reduced-scale model, the developed formula for F demonstrates effective results, exhibiting an absolute error lower than 20 %. This F formula provides a promising guideline for designing HV reactors, with a lower absolute error value.