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  • Xie, Xinyao; Fan, Lingyu; Ning, Yifan; Shao, Weiming

    2023 International Seminar on Computer Science and Engineering Technology (SCSET), 2023-April
    Conference Proceeding

    The study of AC electronic load for student learning and power testing proposed an energy feedback type AC electronic load. Energy feedback single phase AC electronic load is a power electronic device which can simulate resistive load and inductive and capacitive load of any power factor and return the absorbed energy to the power grid. The main circuit topology adopts AC/DC/AC structure, the former load characteristic simulation unit adopts the current loop closed-loop control, the latter stage energy feedback unit adopts the double closed-loop grid-connected control algorithm, and the main circuit rectifier and inverter adopt the unipolar PWM modulation scheme.