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Current-fed-boost-converter

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Current fed boost converter

Details

Inventors: Goodman, George D.;
Assignee: General Electric Company (Binghamton, NY)
Primary Examiner: Salce; Patrick R.
Assistant Examiner: Hoff; Marc S.
Attorney, Agent or Firm: Blumenfeld; I. David

A power supply comprising a high impedance source and a regulator configured as a boost type converter is disclosed. The duty cycle of a shunt switch in the regulator is controlled so as to be increased or decreased in order to respectively decrease or increase the regulator output voltage.

DETAILED DESCRIPTION These and other objects are accomplished by the present invention which is directed to a DC power supply comprising a high impedance source and a boost converter regulator.
The regulator includes an energy storage inductor connected in series between input and output regulator terminals with shunt switching means connected between the output end of the inductive means and a circuit reference voltage point.
Separate capacitive filters are respectively connected between the regulator input and output terminals and the common reference voltage point.
A control circuit conditions the switching means to open and close with the duty cycle determined as a function of the difference between the voltage at the output terminal and a desired regulated voltage; the duty cycle being respectively increased or decreased to correct for the output terminal voltage increasing above or falling below the desired voltage.

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