Power converter overload protection circuit

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

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Details

B23K 910

Patent

active

056216220

ABSTRACT:
Overload protection for an AC/DC converter is formed by a high frequency AC power signal provided to a step-down/isolator circuit which converts the power signal to a low voltage signal. An output filter stage then converts the low voltage AC signal to a DC output for use in DC devices. Upon the occurrence of a short circuit or a current overload, the step-down/isolator circuit core becomes saturated, ceasing operation of the step-down/isolator until the short or the connected device drawing the current overload is removed.

REFERENCES:
patent: 5446641 (1995-08-01), Reynolds et al.

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