지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 2,429 - 2,435 (7page)
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초록· 키워드
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Virtual synchronous generator (VSG) control is extensively studied to enhance the performance of power electronics-based systems, and thus, improving the grid stability, where various topologies have also been explored. For photovoltaic (PV) applications, energy storage like batteries is becoming essential in grid-connected PV systems to operate in the VSG mode. In order to maintain the minimum power stages (thus, high efficiency), the quasi-Z-source inverter (qZSI) can be adopted. However, the inherent topology characteristics may also affect the dynamics of such a PV-battery-integrated (PBI) system, as the operational modes are complicated. Considering this, the circuit topology characteristics and control methods are analyzed in this paper, and more importantly, the limitations of the PBI-qZSI system are revealed for practical design and operation. Simulation results have validated the discussion. The analysis indicates that the PBI-qZSI system has the minimum power conversion stage being highly efficient, but it also needs a dedicated control to avoid abnormal VSG operations.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. PV-BATTERY-INTEGRATED QUASI-Z-SOURCE INVERTER
Ⅲ. BASICS OF THE VSG CONTROL
Ⅳ. CHARACTERIZATION OF THE PBI-QZSI SYSTEM AND SIMULATION RESULTS
Ⅴ. CONCLUSION
REFERENCES
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