Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent
1995-02-13
1996-12-17
McGraw, Vincent P.
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
315291, 315227R, 315241R, G05F 100
Patent
active
055857000
ABSTRACT:
An electronic ballast for one or more F32T8 or F25T8 or F17T8 fluorescent lamps has a new design tool for efficient transfer of power to the lamp or the lamps. The design tool is constructed from the ballast DC voltage and the commercially available lamp specifications by the manufacturers or from the American National Standards (ANSI). This design tool is shown below: Frequency.times.Capacitance=CONSTANT. ##EQU1## where W=Lamp rating in watts, V.sub.0 =Lamp voltage.
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Bipolar Transistors Excel In Off-Line Resonant Converters, Motorola Semiconductor Products Inc., Phoenix, AZ, pp. 1-8.
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McGraw Vincent P.
Power Electronics & Systems, Inc.
Ratliff Reginald A.
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