Model and method for high-frequency electronic ballast design

Details Model and method for high-frequency electronic ballast design Model and method for high-frequency electronic ballast design

1999-06-22

2000-11-21

Philogene, Haissa

Electric lamp and discharge devices: systems

Current and/or voltage regulation

315307, 315244, 315209R, 315DIG7, G05F 100

Patent

active

061507733

ABSTRACT:
A model and computer program for designing the output stage of a high frequency electronic ballast for a fluorescent lamp. The user specifies a plurality of parameters relating to the operation of the fluorescent lamp, including lamp running power, running voltage, maximum preheating voltage for the lamp, minimum running frequency for the lamp, and an input voltage for the ballast. Based upon these parameters, the computer program calculates the values for various components of the ballast, including the inductor and capacitor of the output stage, such that the preheat frequency is greater than the ignition frequency, the ignition frequency is greater than or equal to the running frequency, the preheat voltage is less than the maximum preheat voltage, and the difference between the preheat frequency and the ignition frequency is greater than about 5 kHz.

REFERENCES:
patent: 5426350 (1995-06-01), Lai
patent: 6031342 (2000-02-01), Ribarich et al.
patent: 6040661 (2000-03-01), Bogdan

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