Published June 1975
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A continuous model for the tapped-inductor boost converter
- Creators
- Middlebrook, R. D.
Abstract
A continuous, low-frequency, small-signal averaged model for the tapped-inductor boost converter with input filter is developed and experimentally verified, from which the dc transfer function and the small-signal line input and duty ratio input describing functions can easily be derived. A new effect due to storage-time modulation in the transistor switch is shown to explain observed excess filter damping resistance without associated loss in conversion efficiency. The presence of an input filter can cause a severe disturbance, even a null, in the control duty ratio describing function, with consequent potential performance difficulties in a converter regulator.
Additional Information
© 1975 IEEE. Thanks are due to Howard Ho and Alan Cassel, graduate students of the California Institute of Technology, for their assistance in constructing the experimental converters and for the computer plots shown in Figs. 26 through 28.Attached Files
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07085569.pdf
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- CaltechAUTHORS:20150729-151919514
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