Active zero-sequence cancellation technique in unbalanced commercial building power system

  • Sunglyong Kim
  • Published 2004 in
    Nineteenth Annual IEEE Applied Power Electronics…


In this paper, active zero-sequence cancellation technique is proposed for unbalanced commercial building power system. A grounding zig-zag transformer is used to flow the equal harmonic currents through all transformer windings and to allow a fundamental current into utility neutral line. Lower voltage and high current rated single-phase inverter regulates… (More)


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