Please use this identifier to cite or link to this item: https://doi.org/10.1109/TIE.2013.2245621
Title: Current-fed interleaved phase-modulated single-phase unfolding inverter: Analysis, design, and experimental results
Authors: Prasanna, U.R.
Rathore, A.K. 
Keywords: Current-fed dc/dc converter
Fuel cells
High-frequency (HF)
Inverter
Photovoltaic (PV)
Issue Date: 2014
Source: Prasanna, U.R.,Rathore, A.K. (2014). Current-fed interleaved phase-modulated single-phase unfolding inverter: Analysis, design, and experimental results. IEEE Transactions on Industrial Electronics 61 (1) : 310-319. ScholarBank@NUS Repository. https://doi.org/10.1109/TIE.2013.2245621
Abstract: This paper presents a novel direct current-fed interleaved phase-modulated single-phase unfolding inverter for fuel-cell applications. Two active-clamped zero-voltage switching current-fed half-bridge isolated converters are interleaved in parallel input and series output configuration. Phase modulation is proposed to control these two converter cells, which generate a rectified sinusoidal pattern at the dc link. A simple H-bridge unfolding dc-ac inversion is used to produce single-phase sine voltage at line frequency switching using square-wave control. This not only simplifies the inversion stage in terms of modulation but also reduces the switching losses. Direct front-end current-fed based unfolding inverter is not reported in literature yet. Detailed analysis and design of the proposed direct current-fed single-phase unfolding inverter has been presented. Simulation waveforms using PSIM 9.0.4 are given to verify the presented analysis and design. Experimental results on a laboratory prototype rated at 200 W are demonstrated to support the investigation, to validate the accuracy of the proposed analysis and design, and to test the performance. © 1982-2012 IEEE.
Source Title: IEEE Transactions on Industrial Electronics
URI: http://scholarbank.nus.edu.sg/handle/10635/55483
ISSN: 02780046
DOI: 10.1109/TIE.2013.2245621
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