Method and apparatus for modulating inverter pulse width

Details Method and apparatus for modulating inverter pulse width Method and apparatus for modulating inverter pulse width

1986-03-04

1987-09-08

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, H02M 700

Patent

active

046928545

ABSTRACT:
A method and apparatus are disclosed for use with a battery powered inverter for powering a load through a ferroresonant transformer. The current flow through the inverter-ferroresorant transformer is sensed and is utilized to modulate the inverter's pulse width at a point, after a peak voltage but before saturation begins, when the slope of the inverter-ferroresonant transformer current with respect to time is at or near zero. A maximum current limiting feature can be provided in the method and apparatus of the present invention.

REFERENCES:
patent: 4148097 (1979-04-01), Deisch
patent: 4439822 (1984-03-01), Cocconi

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