Abstract
For low-power AC-DC converters, power factor correction (PFC) can be accomplished simply with certain converters operating in discontinuous conduction mode (DCM). At higher power levels, DCM results in higher losses, so most PFC converters use current feedback to actively track the correct current waveshape. This work presents a way to provide PFC control without the current sensor, by replacing the sensor with a Kalman filter, which is essentially a stochastic observer. Experimental results verify its high power factor and low total harmonic distortion (THD).
Recommended Citation
J. W. Kimball and P. T. Krein, "A Current-Sensorless Digital Controller for Active Power Factor Correction Control Based on Kalman Filters," Proceedings of the 23rd Annual IEEE Applied Power Electronics Conference and Exposition (2008, Austin, TX), pp. 1328 - 1333, Institute of Electrical and Electronics Engineers (IEEE), Feb 2008.
The definitive version is available at https://doi.org/10.1109/APEC.2008.4522895
Meeting Name
23rd Annual IEEE Applied Power Electronics Conference and Exposition (2008: Feb. 24-28, Austin, TX)
Department(s)
Electrical and Computer Engineering
Sponsor(s)
Grainger CEME
National Science Foundation (U.S.)
Keywords and Phrases
AC-DC Power Converters; Kalman Filters; Digital Control; Electric Current Control; Harmonic Distortion; Observers; Power Conversion Harmonics; Power Factor Correction; Power Harmonic Filters; Active Filters; Control Theory; Digital Filters; Electric Power Factor; Electric Power Factor Correction; Exhibitions; Power Electronics; Sensors; Wave Filters; AC-DC Converters; Active Power Factor Correction; Current Feedback; Current Sensor; Digital Controllers; Discontinuous-Conduction-Mode; High Power Factors; Low Powers; PFC Converters; Power Leveling; Sensor-Less; Total Harmonic Distortion; AC Generator Motors
International Standard Book Number (ISBN)
978-1424418732
International Standard Serial Number (ISSN)
1048-2334
Document Type
Article - Conference proceedings
Document Version
Final Version
File Type
text
Language(s)
English
Rights
© 2008 Institute of Electrical and Electronics Engineers (IEEE), All rights reserved.
Publication Date
01 Feb 2008
Comments
This work was supported by the National Science Foundation under grant ECS 06-21643, and by the Grainger Center for Electric Machinery and Electromechanics.