NDLI: <formula><tex>$Z$</tex></formula>-Source Current-Type Inverters: Digital Modulation and Logic Implementation

Content Provider	IEEE Xplore Digital Library
Author	Poh Chiang Loh Vilathgamuwa, D.M. Gajanayake, C.J. Li Tyan Wong Chiew Ping Ang
Copyright Year	1986
Abstract	Traditionally, current source (CS) inverters have been adopted for use in medium and high power industry applications. These inverters, however, support only current-buck dc-ac power conversion and need a relatively complex modulator, as compared to conventional voltage source (VS) inverters. To address these limitations, this paper presents an integration of the buck-boost Z-source power conversion concept to the CS inverter topology to develop single- and three-phase Z-source CS inverters. For their efficient control, the paper starts by evaluating different carrier-based reference formulations to identify different inverter state placement possibilities. The paper then proceeds to design appropriate "reference-to-switch" assignments or logic equations for mapping out the correct CS gating signals, allowing a simple carrier-based modulator to control a Z-source CS inverter with complications such as commutation difficulties and "many-to-many" state assignments readily resolved. The developed system can be implemented using a digital signal processor with an embedded VS pulse-width modulator and an external programmable logic device, hence offering a competitive solution for medium power single and three-phase buck-boost power conversion. Theory, simulation, and experimental results are presented in the paper
Sponsorship	IEEE Power Electronics Society
Starting Page	169
Ending Page	177
Page Count	9
File Size	2108828
File Format	PDF
ISSN	08858993
Volume Number	22
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital modulation Pulse inverters Pulse width modulation inverters Power conversion Power industry Voltage Topology Signal design Logic design Equations pulsewidth modulation (PWM) Buck-boost current source (CS) inverters digital logic
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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