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논문 기본 정보

저자정보
(Sangmyung University) (Sangmyung University) (Korea Institute of Industrial Technology) (Korea Grid Forming) (Sangmyung University)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제73권 제11호
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    초록·키워드

    This paper presents the method of avoiding resonance and reducing voltage harmonics by connecting a C-type filter to the capacitor section of an LCL filter which connected to the inverter. For this purpose, we set the parameters of the inverter and LCL filter. Then, various equations were employed to appropriately determine the values of the capacitor, inductor, and resistor of the C-type filter. Utilizing these configured values, the overall transfer function was represented using the transfer functions of the controller and filter. Subsequently, it was examined whether unstable resonance could be avoided when using the C-type filter. Furthermore, in the frequency domain, the Total Harmonic Distortion(THD) was utilized to assess how much the voltage harmonics decreased when the C-type filter was included, compared to when only the LCL filter was present.

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      UCI(KEPA) : I410-151-25-02-091081532