Electronic high intensity discharge ballast

Details Electronic high intensity discharge ballast Electronic high intensity discharge ballast

H - Electricity

05

B

H05B 41/14 (2006.01) H05B 41/288 (2006.01) H05B 41/292 (2006.01) H05B 41/392 (2006.01)

Patent

CA 2280561

A microprocessor controlled high frequency electronic ballast for gas discharge lamps in which the dimming is accomplished by varying the frequency of the square wave generated by the ballast. Prior to ignition the ballast generates a high frequency square wave to preheat the lamp filament. The microprocessor, which is programmable, controls the operating and preheating frequencies of the ballast. The ballast demonstrates very few losses due to the efficiency gained by operating at high frequencies.

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