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논문 기본 정보

자료유형
학술저널
저자정보
Tapas Roy (KIIT University) Pradip Kumar Sadhu (KIIT University) Abhijit Dasgupta (Indian Institute of Technology (ISM))
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.17 No.5
발행연도
2017.9
수록면
1,173 - 1,185 (13page)

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초록· 키워드

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In this paper, a new single phase multilevel inverter topology with a single DC source is presented. The proposed topology is developed based on the concepts of the L-Z source inverter and the switched capacitor multilevel inverter. The input voltage to the proposed inverter is boosted by two steps: the first step by an impedance network and the second step by switched capacitor units. Compared to other existing topologies, the presented topology can produce a higher boosted multilevel output voltage while using a smaller number of components. In addition, it provides more flexibility to control boosting factor, size, cost and complexity of the inverter. The proposed inverter possesses all the advantages of the L-Z source inverter and the switched capacitor multilevel inverter like controlling the start-up inrush current and capacitor voltage balancing using a simple switching strategy. The operating principle and general expression for the different parameters of the proposed topology are presented in detail. A phase disposition pulse width modulation strategy has been developed to switch the inverter. The effectiveness of the topology is verified by extensive simulation and experimental studies on a 7-level inverter structure.

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Abstract
I. INTRODUCTION
II. PROPOSED TOPOLOGY
III. MODULATION STRATEGY FOR THE PROPOSED TOPOLOGY
IV. COMPARISON STUDY
V. EFFICIENCY COMPARISON
VI. SIMULATION AND EXPERIMENTAL STUDIES
VII. CONCLUSION
REFERENCES

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