Switched current regulator with improved power switch control me

Details Switched current regulator with improved power switch control me Switched current regulator with improved power switch control me

1995-09-27

1998-03-17

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 97, H02M 3335

Patent

active

057294437

ABSTRACT:
A flyback-type switched current regulator, comprising first and second coupled windings and a circuit for connecting the first winding to a voltage source as soon as the windings are demagnetized. The regulator further comprises a current sensor that senses the current flowing through the first winding; a switch that disconnects the first winding from the voltage source when the first current in the first winding reaches a reference value, whereby the first winding is switched according to a duty cycle; and a circuit that varies the reference value in accordance with the duty cycle.

REFERENCES:
patent: 4600984 (1986-07-01), Cohen
patent: 4864480 (1989-09-01), Melcher
patent: 4908755 (1990-03-01), Feldtkeller
patent: 4939632 (1990-07-01), Plagge
patent: 5086382 (1992-02-01), Feldtkeller et al.
patent: 5218521 (1993-06-01), Avgier
patent: 5291386 (1994-03-01), Wu
patent: 5412556 (1995-05-01), Marinus
patent: 5513089 (1996-04-01), Sudo et al.

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