Effect of Valley Switching and Switching-Frequency Limitation on Line-Current Distortions of DCM/CCM Boundary Boost PFC Converters

A systematic analysis of line-current distortions of the discontinuous-conduction-mode and the continuous-conduction-mode boundary boost power factor correction converter due to valley switching (VS) and switching-frequency limitation, where VS is either maintained or lost after the onset of switchi...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2009-02, Vol.24 (2), p.339-347
Main Authors: Huber, L., Irving, B.T., Jovanovic, M.M.
Format: Article
Language:English
Subjects:
Applied sciences
Boost converter
Boundaries
Circuit properties
Converters
Convertors
Diodes
discontinuous conduction mode (DCM)/continuous conduction mode (CCM) boundary
Distortion
Electric currents
Electric power
Electric, optical and optoelectronic circuits
Electrical engineering. Electrical power engineering
Electrical machines
Electromagnetic interference
Electronic circuits
Electronics
Exact sciences and technology
Inductors
Line current
line-current distortion
Mathematical analysis
Power electronics, power supplies
Power factor correction
power factor correction (PFC)
Regulation and control
Signal convertors
Simulation
single-phase rectifier
Switches
Switching
Switching converters
Switching frequency
Switching loss
switching-frequency limitation
Systems analysis
valley switching (VS)
Valleys
Voltage control
Zero voltage switching
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Description
Summary:A systematic analysis of line-current distortions of the discontinuous-conduction-mode and the continuous-conduction-mode boundary boost power factor correction converter due to valley switching (VS) and switching-frequency limitation, where VS is either maintained or lost after the onset of switching-frequency limitation, is provided. Closed-form expressions for the line current are derived. It is shown that if the switching frequency is limited and VS is not maintained, the line current is more distorted with voltage-mode control than with current-mode control. The effects of line-current distortions are demonstrated with both simulation and experimental results.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2008.2006053