Open-Loop Control Methods for Interleaved DCM/CCM Boundary Boost PFC Converters

Open-Loop Control Methods for Interleaved DCM/CCM Boundary Boost PFC Converters

Open-loop interleaving methods for PFC boost converters operating at the boundary of discontinuous-conduction mode and continuous-conduction mode with a master-slave relationship are analyzed. It is shown that the only method that results in stable operation is the synchronization of the slave conve...

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Veröffentlicht in:IEEE transactions on power electronics 2008-07, Vol.23 (4), p.1649-1657
Hauptverfasser: Huber, L., Irving, B.T., Jovanovic, M.M.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Boundaries
Circuit properties
Converters
Electric currents
Electric power
Electric, optical and optoelectronic circuits
Electrical engineering. Electrical power engineering
Electrical machines
Electricity
Electronic circuits
Electronics
Errors
Exact sciences and technology
Frequency synchronization
Inductors
Interleaved boost
Interleaved codes
Master-slave
Methods
Open loop systems
open-loop control
Power electronics, power supplies
power factor correction (PFC)
Regulation and control
Signal convertors
Switches
Switching
Switching converters
Switching frequency
Synchronism
Synchronization
Testing. Reliability. Quality control
Turning
Valleys
variable frequency
Zero voltage switching
zero-voltage switching (ZVS)
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Zusammenfassung:Open-loop interleaving methods for PFC boost converters operating at the boundary of discontinuous-conduction mode and continuous-conduction mode with a master-slave relationship are analyzed. It is shown that the only method that results in stable operation is the synchronization of the slave converter to the turn-on instant of the master converter, where each converter operates with current-mode control. Effects of mismatched inductances, phase-shift error, switching-frequency limit, and valley switching on the quality of the input current are discussed in detail.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2008.924611