NDLI: Modified modulation scheme for photovoltaic fed grid-connected three-phase boost inverter

Content Provider	IEEE Xplore Digital Library
Author	Diab, M.S. Elserougi, A. Abdel-Khalik, A.S. Massoud, A.M. Ahmed, S.
Copyright Year	2013
Description	Author affiliation: Electr. Dept., Qatar Univ., Doha, Qatar (Massoud, A.M.) \|\| ECEN Dept., Univ. at Qatar, Doha, Qatar (Ahmed, S.) \|\| Electr. Dept., Alexandria Univ., Alexandria, Egypt (Diab, M.S.; Elserougi, A.; Abdel-Khalik, A.S.)
Abstract	Transformer-less photovoltaic (PV) inverters are the major functional units of modern grid-connected PV energy production systems. In general, two power conversion stages are required when low-voltage unregulated photovoltaic (PV) output is conditioned to generate AC power. In this paper, the boost inverter topology that achieves both boosting and inversion functions in a single stage is used as a building block to develop a three phase grid connected PV system which offers high conversion efficiency, low-cost and compactness. The proposed system employs a modified modulation scheme for the three phase boost inverter to control both active and reactive power injected to the grid. This modified modulation scheme enhances the boosting capability of the boost inverter and improves the THD of the grid injected current. Moreover, it reduces the voltage stress on the capacitors and switching devices. Analysis and simulation results are presented to confirm the advantages and efficiency of the proposed modulation technique.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	1735
Ending Page	1740
File Size	1049538
Page Count	6
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6699394
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inverters Harmonic analysis Boosting Phase modulation Capacitors Reactive power PQ control Boost inverter Distributed power generation Grid tied inverter
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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