Method and device for protecting an electrical converter circuit

Details Method and device for protecting an electrical converter circuit Method and device for protecting an electrical converter circuit

1992-03-13

1993-06-08

Voeltz, Emanuel T.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 21, 361 18, H02H 710

Patent

active

052185214

ABSTRACT:
A converter circuit supplied with a pulsed current by a primary source is protected against overload by producing a first voltage representing the product of the mean pulsed current and a first duty factor and a second voltage representing the product of the maximum wanted power and a second duty factor. The first and second voltages are compared and the output power of the converter is limited if the first voltage becomes greater than the second. The invention finds a particular application in regulated voltage power supplies which must be kept within acceptable operating limits.

REFERENCES:
patent: 4326245 (1982-04-01), Saleh

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