Sang-Won An, Seok-Min Kim, Sungjoon Cho, and Kyo-Beum Lee, "Low-Order Harmonics Cancellation for Three-Phase Grid-Connected Inverters Using a Band Pass Filter," The Transactions of the Korean Institute of Electrical Engineers, vol. 69, no.1, pp. 27–36, Ja > Paper

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Paper

Domestic Journals Sang-Won An, Seok-Min Kim, Sungjoon Cho, and Kyo-Beum Lee, "Low-Order Harmonics Cancellation for Three-Phase Grid-Connected Inverters Using a Band Pass Filter," The Transactions of the Korean Institute of Electrical Engineers, vol. 69, no.1, pp. 27–36, Jan. 2020.

2020

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This paper proposes a novel control method to effectively reduce the low-order harmonics contained in the grid current.

When different kinds of loads or non-linear loads are connected to the Point of Common Coupling(PCC), harmonics are generated

in the grid voltage, which causes output current distortion of inverter. This current distortion causes reduced efficiency and resonance

of the power converter. In general, to reduce the current distortion, a low-order harmonic cancellation technique is used using

proportional-integral control and low-pass filter. This method cannot effectively remove the harmonic component of the grid current

due to the effect of the fundamental wave. In this paper, an effective harmonic control method is proposed, in which the effects by

fundamental wave components have been removed. Simulation and experimental results verify the effectiveness and validity of

proposed method.

 

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