Investigation of three-phase grid unbalance decrease methods at high-speed train AC traction substations

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Authors: Manusov V. Z., Morozov P. V.

Annotation: The paper studies high-speed AC traction substations structures. It is mainly focused on the sub-station based on Scott transformer with zero unbalance of equal traction loads. The automatic power equalization device is proposed to provide zero unbalance at uneven traction loads.

Keywords: three-phase grid, scott transformer, automatic control, power equalization, current unbalance