A continuous model for the tapped-inductor boost converter
- 1 June 1975
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 02759306,p. 63-79
- https://doi.org/10.1109/pesc.1975.7085569
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.Keywords
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