Method for controlling an inverter under altering voltage

Details Method for controlling an inverter under altering voltage Method for controlling an inverter under altering voltage

2007-11-13

2007-11-13

Owens, Douglas W. (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315SDIG002, C315S307000, C315S282000

Reexamination Certificate

active

11092592

ABSTRACT:
A method for controlling an inverter under altering voltage aims to change the electric conductive interval of the electric conductive cycle of the inverter corresponding to alteration of an input voltage so that the dimming duty cycle, electric conductive cycle and transformer oscillation duty cycle of the inverter can be maintained at a selected level. Thereby when the input voltage is altered, the existing dimming range can be maintained and actuation electricity output is stabilized. The transformer can be protected and the life span of the load can be extended.

REFERENCES:
patent: 5612595 (1997-03-01), Maheshwari
patent: 5930121 (1999-07-01), Henry
patent: 6198234 (2001-03-01), Henry
patent: 6809938 (2004-10-01), Lin et al.
patent: 6839253 (2005-01-01), Chou et al.
patent: 2005/0156534 (2005-07-01), Oh
patent: 2006/0175983 (2006-08-01), Crouse et al.

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