NDLI: A novel suppressed-link rectifier-inverter topology with near unity power factor

Content Provider	IEEE Xplore Digital Library
Author	Maswood, A.I. Yusop, A.K. Rahman, M.A.
Copyright Year	1986
Abstract	This work describes a novel method in improving the input current total harmonic distortion (THD) as well as the power factor of a three-phase suppressed-link rectifier-inverter circuit. This proposed method makes use of only three bi-directional low power static switches with a relatively simple gating circuit. This paper illustrates how the proposed method is superior in reducing the input current THD of a rectifier-inverter set to about 5%, which is in line with the requirements of IEEE standard 519-1992. This is accomplished without the use of any filter or complex wave shaping techniques. A delta-modulated (DM) voltage source inverter (VSI) with proportional integrator forms the output stage of the converter. It helps to provide constant volts per hertz operation without the need for additional feedback circuitry and complexity. Moreover, this novel DM technique also helps to provide a smooth transition from the pulse width modulation (PWM) to square wave, hence allowing full utilization of the DC bus voltage.
Sponsorship	IEEE Power Electronics Society
Starting Page	692
Ending Page	700
Page Count	9
File Size	370052
File Format	PDF
ISSN	08858993
Volume Number	17
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Pulse width modulation Delta modulation Voltage Circuit topology Total harmonic distortion Bidirectional control Switching circuits Switches Filters
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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