NDLI: Diode-Assisted Buck–Boost Voltage-Source Inverters

Content Provider	IEEE Xplore Digital Library
Author	Feng Gao Poh Chiang Loh Teodorescu, R. Blaabjerg, F.
Copyright Year	1986
Abstract	This paper proposes a number of diode-assisted buck-boost voltage-source inverters with a unique X-shaped diode-capacitor network inserted between the inverter circuitry and dc source for producing a voltage gain that is comparatively higher than those of other buck-boost conversion techniques. Using the diode-assisted network, the proposed inverters can naturally configure themselves to perform capacitive charging in parallel and discharging in series to give a higher voltage multiplication factor without compromising waveform quality. In addition, by adopting different front-end circuitries, a number of diode-assisted inverter variants can be designed with each having its own operational principle and voltage gain expression. For controlling them, a generic modulation scheme that can be used for controlling all diode-assisted variants with minimized harmonic distortion and component stress is first designed, before proceeding on to design a second scheme with minimized commutation count for complement. All theoretical findings discussed in the paper were verified experimentally using a number of scale-down laboratory prototypes with relevant results presented in a later section for visual confirmation.
Sponsorship	IEEE Power Electronics Society
Starting Page	2057
Ending Page	2064
Page Count	8
File Size	1021848
File Format	PDF
ISSN	08858993
Volume Number	24
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage Inverters Circuits Semiconductor diodes Topology Inductors Stress control Laboratories Power engineering and energy Power conversion emerging topologies Buck–boost dc–ac converters
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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