Converter circuit and method having fast responding current bala

Details Converter circuit and method having fast responding current bala Converter circuit and method having fast responding current bala

1975-05-29

1977-01-11

Shoop, william M.

H02M 108

Patent

active

040029638

ABSTRACT:
A regulated voltage converter utilizing an improved method of pulse width modulation is disclosed wherein acceptable current balance and limiting in the converter switching elements are speedily achieved within one half cycle of converter operation. Converter output current is monitored, shaped according to a non-linear transfer function, and integrated to form a voltage signal for comparison with a predetermined reference level. When the integrated signal exceeds the reference level, a control signal is generated to terminate the current pulse in the inverter section of the converter. The inherent balancing and limiting characteristics of this arrangement are easily extended to applications wherein multiple converter stages are paralleled to supply higher power to a common load.

REFERENCES:
patent: 3366866 (1968-02-01), King
patent: 3490028 (1970-01-01), Modiano
patent: 3590360 (1971-06-01), Puckette
patent: 3657631 (1972-04-01), Martens et al.
patent: 3859586 (1975-01-01), Wadlington
patent: 3870943 (1975-03-01), Weischedel et al.

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