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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 1,976 - 1,983 (8page)
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초록· 키워드
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Three-phase Z-source inverter (ZSI) is a relatively new buck-boost-type inverter topology, which in photovoltaic (PV) applications offers more efficient power point tracking than traditional VSI-type inverter in a single power processing stage. This paper presents an accurate small-signal model for the impedance network present in three-phase grid-connected ZSI, which can be used to e.g. design its control system and predict its impedance characteristics. In this paper, the developed small-signal model is used to study the effect of the asymmetric impedance network to the behavior of the network. It is shown, that asymmetric impedance network will affect to the dynamic characteristics of the inverter, but does not significantly decrease its electrical performance or compromise its stability.
목차
Abstract
I. INTRODUCTION
II. SMALL-SIGNAL MODELING OF THE ASYMMETRIC IMPEDANCE NETWORK
III. EFFECT OF THE ASYMMETRIC IMPEDANCE NETWORK
IV. EFFECT OF THE ASYMMETRIC IMPEDANCE NETWORK ON BEHAVIOR OF THE INVERTER STAGE
V. CONCLUSION
REFERENCES
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