Method and device for controlling a power converter with an auxi

Details Method and device for controlling a power converter with an auxi Method and device for controlling a power converter with an auxi

1998-11-06

2000-07-04

Riley, Shawn

Electric power conversion systems

Current conversion

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

363 97, 363 56, H02M 3335

Patent

active

060847832

ABSTRACT:
Method for controlling the voltage at the main output of a low power switched power converter in which is generated a first signal (14), representative of the voltage at an auxiliary output which is an image of the main output voltage; it is combined with a second signal (16), representative of an input current to the converter, for generating a first control signal which together with a first reference signal are applied to a first controller means, generating a second control signal. The second control signal together with a second signal coming from an oscillator means are applied to a comparator, generating a switching signal (17) for opening and closing the switching element (6), and consequently the voltage at the main output is regulated.

REFERENCES:
patent: 4063307 (1977-12-01), Stephens
patent: 4704670 (1987-11-01), Gradl et al.

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