Simplified generic on-line PWM technique for single phase grid connected current source inverters

Ahmed Kadry Abdelsalam, Ahmed Massoud, Ahmed Darwish, Shehab Ahmed

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

Mandatory restrictions for a current source inverter's (CSI's) proper operation, like continuity of the DC link current, complicate the corresponding PWM generation especially in the case of single phase systems. Classical modulation techniques for single phase CSIs suffer from either complexity or unsymmetrical gate signals distribution for the inverter switches. In this paper, a PWM generation technique suitable for single phase CSI's is presented. The proposed technique ensures CSI's adequate operation with the advantages of: (i) Simple generic on-line implementation, (ii) Better utilization of the carrier frequency and (iii) Symmetrical distribution of the inverter's gate signals that ensures equal loss sharing, conduction and switching, among the inverter power semiconductors. System results, using simulations in addition to experimental setup, are utilized to validate the effectiveness of the proposed technique. © 2012 IEEE.
Original languageEnglish (US)
Title of host publicationConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781457712159
DOIs
StatePublished - Jan 1 2012
Externally publishedYes

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