Experimental confirmation of frequency correlation for bifurcation in current-mode controlled buck-boost converters

Experimental confirmation of frequency correlation for bifurcation in current-mode controlled buck-boost converters

Frequency scaling in pulse-width modulated buck-boost power converters can be used to predict the first bifurcation point at various frequency operations. This letter first derives novel frequency correlation for the power converter. This is then examined by experimental results at high-frequency op...

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Veröffentlicht in:IEEE power electronics letters 2003-12, Vol.1 (4), p.101-103
Hauptverfasser: Cheng, K.W.E., Mingjian Liu, Yiu Lun Ho
Format: Artikel
Sprache:eng
Schlagworte:
Bifurcation
Bifurcations
Circuit simulation
Converters
Correlation
DC-DC power converters
Electronics
Equations
Frequency conversion
Impedance
Inductance
Power converters
Pulse modulation
Pulse width modulation converters
Voltage
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Zusammenfassung:Frequency scaling in pulse-width modulated buck-boost power converters can be used to predict the first bifurcation point at various frequency operations. This letter first derives novel frequency correlation for the power converter. This is then examined by experimental results at high-frequency operation.
ISSN:1540-7985
1558-3767
DOI:10.1109/LPEL.2004.825548