A graphoanalytic method for determining the highcurrent system resistances and a mathematical model of a single-phase furnace transformer with a split secondary winding are developed for modeling currents in a transformer and a high-current system bus package in case of short circuit and opening of flexible connections. Experiments have proved the adequacy of the proposed method. The simulation error does not exceed 10 %.
Keywords:
single-phase transformer, split winding, short circuit, high-current system, opening, resistance, mathematical model, modeling.
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Cable neutral corrosion, Phase II. Outdoor high voltage and high current short circuit tests on single phase extruded dielectric primary distribution cables. Phase II: final report, December 1977