DC-AC Converter including synchronized switching

Details DC-AC Converter including synchronized switching DC-AC Converter including synchronized switching

1978-06-22

1980-04-01

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 37, 363 97, H02M 7537

Patent

active

041964691

ABSTRACT:
A converter includes a resonant oscillatory tank circuit comprising a capacitor and an inductor, at least one switching circuit including a solid state switching device in series with a diode connected to apply a predetermined potential difference from a DV supply to the inductor, and synchronizing means responsive to the oscillation of the oscillatory circuit for switching on the switching means for a fraction of a cycle only when the instantaneous value of the oscillatory potential difference across the inductor is already not less than a predetermined value, to delay the fall of the said oscillating potential difference and inject energy from the supply into the oscillatory circuit, and a load circuit coupled or connected to the tank circuit.

REFERENCES:
patent: 3922582 (1975-11-01), Pitel
patent: 3964062 (1976-06-01), Flagg et al.

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