Device and method for preheating the coil electrodes of a...

Details Device and method for preheating the coil electrodes of a... Device and method for preheating the coil electrodes of a...

H - Electricity

05

B

H05B 41/14 (2006.01) H05B 41/295 (2006.01)

Patent

CA 2403163

The present invention relates to a device for preheating the two coil electrodes (W1, W2) of a fluorescent lamp (La) comprising an AC voltage source (10), a resonance capacitor C R, which is arranged serially between the two coil electrodes (W1, W2), a first inductance (L1), which is coupled between the AC voltage source (10) and one of the two coil electrodes (W1, W2), and a second inductance (L2), which is connected to a point between the AC voltage source (10) and the coil electrode (W1) coupled thereto, the second inductance (L2) being coupled to the first inductance (L1) in such a way that a current flow (I L2) through the second inductance (L2) leads to a reduction of the magnetization of the first inductance (L1). It furthermore relates to a corresponding method.

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