Intentional cross conduction of converter circuit to ignite high

Details Intentional cross conduction of converter circuit to ignite high Intentional cross conduction of converter circuit to ignite high

1998-09-24

2000-02-01

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

With starting arrangement

363131, H02M 7517

Patent

active

060210559

ABSTRACT:
A circuit for igniting and driving a high ignition voltage load includes first and second series coupled switches arranged in a half bridge circuit having an output node. A step-up transformer has a primary winding that is coupled to the bridge circuit at the output node. A load is coupled to the secondary winding to a return potential. Both the first and second switches are capable of being turned on concurrently for a predetermined interval to supply an ignition voltage across the secondary winding sufficient to ignite the lamp.

REFERENCES:
patent: 4298925 (1981-11-01), Melling
patent: 4408270 (1983-10-01), Anderson et al.
patent: 5644479 (1997-07-01), Yoshida et al.
patent: 5748457 (1998-05-01), Poon et al.
patent: 5754413 (1998-05-01), Fraidlin et al.
patent: 5761055 (1998-06-01), Okada et al.
patent: 5768111 (1998-06-01), Zaitsu
patent: 5768112 (1998-06-01), Barrett
patent: 5838552 (1998-11-01), Fraidlin et al.
patent: 5930121 (1999-07-01), Henry

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