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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 717 - 722 (6page)
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초록· 키워드
오류제보하기
For a single-phase half-bridge grid connected inverter with a split capacitor configuration, the adoption of the Proportional-Integral (PI) will generally suffice the need of current control action in normal inverter operation. However, the presence of measurement error in the current feedback signal can cause distortion in the grid current. Since the grid and the midpoint of split capacitors are connected through a neutral line, the unwanted dc component will flow to both capacitors and drift their voltages. This article aims to formulate mathematical equations to elucidate this phenomenon, and to recommend suitable gain ratio of the controller to maintain the safety of the inverter and to collect the voltage deviation profile before specific additional control action can be incorporated. Computer simulations under MATLAB/SIMULINK environment of 1 kVA inverter rating were performed to corroborate the theoretical analysis and the proposed method.
목차
Abstract
I. INTRODUCTION
II. ANALYSIS OF SPLIT CAPACITOR VOLTAGE DEVIATION
III. SIMULATION RESULTS
IV. CONCLUSION
REFERENCES
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