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논문 기본 정보

자료유형
학술저널
저자정보
Mahrous Ahmed (Taif University) Essam Hendawi (Taif University)
저널정보
전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.16 No.4
발행연도
2016.7
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1,504 - 1,512 (9page)

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This paper presents a new single-phase asymmetrical cascaded multilevel DC-link inverter. The proposed inverter comprises two stages. The main stage of the inverter consists of multiple similar cells, each of which is a half-bridge inverter consisting of two switches and a single DC source. All cells are connected in a cascaded manner with a fixed neutral point. The DC source values are not made equal to increase the performance of the inverter. The second circuit is a folded cascaded H-bridge circuit operating at a line frequency. One of the main advantages of this proposed topology is that it is a modular type and can thus be extended to high stages without changing the configuration of the main stage circuit. Two control schemes, namely, low switching with selective harmonic elimination and sinusoidal pulse width modulation, are employed to validate the proposed topology. The detailed approach of each control scheme and switching pulses are discussed in detail. A 150W prototype of the proposed system is implemented in the laboratory to verify the validity of the proposed topology.

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Abstract
I. INTRODUCTION
II. OPERATING PRINCIPLES OF PROPOSED TOPOLOGY
III. MODULATION TECHNIQUES FOR THE PROPOSED MLI
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. POWER LOSS ANALYSIS
VI. CONCLUSION
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