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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2019.5
- 수록면
- 2,356 - 2,361 (6page)
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초록· 키워드
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This Paper proposes a current controller design method of grid connected inverter using an LCL filter without damping method. In case of a grid side current control, it is not necessary for the system to use the damping method if the ratio of the LCL filter resonant frequency to a system sampling frequency is larger than 1/6. However, if the grid impedance is changed, it is not sure whether the system is in the stable region or not. If an LPF (Low Pass Filter) is used in the feedback path of the system, the stable region of the inverter system can be expanded. This paper proposes a new current controller using the LPF in the feedback path. The proposed controller uses the HC (Harmonic Compensator) in order to improve the grid current quality. The validity of the proposed method is verified through simulation.
목차
Abstract
I. INTRODUCTION
II. ANALYSIS AND DESIGN OF THE PROPOSED CURRENT CONTROLLER
II. ANALYSIS AND DESIGN OF THE PROPOSED CURRENT CONTROLLER
IV. CONCLUSIONS
REFERENCES
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Dynamic Evaluation of LCL-type Grid-Connected Inverters with Different Current Feedback Control Schemes
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Research on Stability of Grid-Connected LCL-Filtered Inverter with Capacitor Current Feedback Active Damping Control
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Analysis and Design of LCL Filter with Passive Damping Circuits for Three-phase Grid-connected Inverters
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