Ballast for operating at least one low-pressure discharge lamp

Details Ballast for operating at least one low-pressure discharge lamp Ballast for operating at least one low-pressure discharge lamp

H - Electricity

05

B

H05B 41/14 (2006.01) H05B 41/282 (2006.01)

Patent

CA 2394409

The invention relates to a ballast for operating at least one low-pressure discharge lamp, preferably a three- or four-lamp ballast. In order for all parallel- or series-connected low-pressure discharge lamps (L40- L43) to shine equally bright even in the case of strong dimming, the ballast according to the invention has a transformer (Tr40) for balancing the currents in the lamp branch circuits and a transformer (Tr41) for compensating the losses owing to parasitic capacitances.

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