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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 2,469 - 2,474 (6page)
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초록· 키워드
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The high grid impedance in weak grid will lead to small bandwidth of control system and poor control performance of PV inverter. To solve this problem, this paper presents a quasi-PRD control method which can increase the bandwidth and dynamic response speed of control system. At first, the quasi-PRD controller was applied to replace the traditional PI controller. Then, the two harmonic injection method was used to detect grid impedance online which would be used to adjust the controller parameters adaptively. At last, some simulation and experiments were done to verify the validity of the novel control method.
목차
Abstract
I. INTRODUCTION
II. THE STRUCTURE OF SINGLE-PHASE PHOTOVOLTAIC INVERTER SYSTEM IN WEAK GRID
III. ADAPTIVE QUASI-PRD CONTROL STRATEGY BASED ON GRID IMPEDANCE ONLINE DETECTION
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
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