NDLI: Power Control for Pulse-Density Modulation Resonant Converters

Content Provider	IEEE Xplore Digital Library
Author	Pimentel, D. Slima, M.B. Cheriti, A.
Copyright Year	2006
Description	Author affiliation: Departement de Genie Electrique, Quebec Univ., Chicoutimi, Que. (Pimentel, D.; Slima, M.B.; Cheriti, A.)
Abstract	PDM can be used to drive resonant power converters and is a good alternative to pulse width modulation (PWM). Its main advantages are its simplicity and that it allows power device's zero-current (or voltage) switching (ZCS or ZVS), while performing load power regulation. This technique is suitable for designing power converters that show an overall good power factor and a low total harmonic distortion (THD). PDM can be used to drive resonant (series or parallel) power converters. Frequently, these converters are used in induction heating applications and they are required to operate at high frequencies. Despite its advantages, PDM converters' output power response is discrete and often nonlinear. This leads to strategies to realize a reliable load power regulation. This paper presents the implementation of a power control for pulse density modulation (PDM) power converters. The strategy used to drive the converter is entirely digital. A feed-back control technique that combines an anticipation algorithm and a hysteresis control is used in order to achieve proper load power regulation. A digital signal controller is employed to drive the whole system. Output power is calculated by acquisition and filtering of current flowing through the load. Simulation and experimental results are in good agreement and show that power regulation can be accurately made over a wide range of power outputs
Starting Page	1259
Ending Page	1264
File Size	7041503
Page Count	6
File Format	PDF
ISBN	1424404967
DOI	10.1109/ISIE.2006.295653
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-09
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse modulation Power control Resonance Pulse width modulation converters Pulse width modulation Zero voltage switching Power generation Digital control Zero current switching Reactive power
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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