Push-push resonant power inverter

Details Push-push resonant power inverter Push-push resonant power inverter

1979-12-07

1981-02-10

Shoop, William M.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 96, 363135, 363139, H02M 3315

Patent

active

042505410

ABSTRACT:
A DC-to-AC inverter includes first and second resonant circuit loops each including a capacitor, a primary coil of an output circuit, a silicon control rectifier providing a current path in one direction around the loop, and a conventional diode providing a current path in the opposite direction around the loop. A DC source is connected to supply a charging current through charging chokes to the capacitors in the resonant circuit loops. The silicon control rectifiers are periodically and alternately rendered conductive each to start a cycle of oscillation in one resonant circuit loops, while the DC source provides current to charge the capacitor in the other resonant circuit loop. The charging chokes and primary coils are phased to supply voltages which add to the voltage of the DC source during the charging of the capacitors.

REFERENCES:
patent: 3242415 (1966-03-01), King et al.
patent: 3543130 (1970-11-01), Reijnders
patent: 3629683 (1971-12-01), Nuckolls
patent: 3842341 (1974-10-01), Goldberg
patent: 4055791 (1977-10-01), Bland et al.
patent: 4069449 (1978-01-01), Farnsworth
patent: 4138715 (1979-02-01), Miller
"Design and Applications of High-Power Ultrasonic Converters Using ASCR's", A. Colens, RCA Thyristors Application Note AN-6628, 1/78.
"Operating Characteristics of Self-Commutated Sinewave SCR Converters", I. Martin, RCA Thyristors Application Note AN-6745, 11/78.

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