Zero voltage switching series resonant half bridge VHF inverter

Details Zero voltage switching series resonant half bridge VHF inverter Zero voltage switching series resonant half bridge VHF inverter

1996-03-25

1997-09-30

Berhane, Adolf

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 17, 363 56, H02H 7122

Patent

active

056731884

ABSTRACT:
A DC to AC inverter that includes a first capacitor (11) and a first inductor (13) connected in series between a positive voltage supply node and a central node; a first active switch switching (15) connected across the first capacitor and driven with a first periodic drive signal of a predetermined frequency; a second capacitor (21) and a second inductor (23) connected in series between a negative voltage supply node and the central node; a second active switch (25) connected across the second capacitor and being driven with a second periodic signal of said predetermined frequency and being out of phase by 180 degrees relative to the first periodic drive signal; a bandpass filter (31, 33) connected between the central node and an output node; and a load (47) connected between the output node and ground.

REFERENCES:
patent: 4594650 (1986-06-01), Kinbara
patent: 4745537 (1988-05-01), Cheung
patent: 4876635 (1989-10-01), Park et al.
patent: 4947309 (1990-08-01), Jonsson
patent: 5132889 (1992-07-01), Hitchock et al.
patent: 5274541 (1993-12-01), Kimura et al.
patent: 5325283 (1994-06-01), Farrington et al.
patent: 5408403 (1995-04-01), Nerone et al.
patent: 5422765 (1995-06-01), Kobayashi et al.
patent: 5519306 (1996-05-01), Itoh et al.

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