Circuit arrangement for operating a discharge lamp having...

Details Circuit arrangement for operating a discharge lamp having... Circuit arrangement for operating a discharge lamp having...

H - Electricity

05

B

H05B 41/285 (2006.01)

Patent

CA 2610473

The invention relates to a circuit arrangement which is used to operate a low pressure discharge lamp (EL), wherein the discharge lamp receives power. Said circuit arrangement is embodied in such a manner that power-determination components (C2a, L2a) of the circuit arrangement are embodied in a temperature- dependent manner such that the power consumption of the lamp is limited when the temperature rises. Capacitors (C2a) and throttles (L2a) can be embodied in a temperature-dependent manner in a control circuit (AS) of the circuit arrangement.

L'invention concerne un ensemble circuit servant à faire fonctionner une lampe à décharge basse tension (EL) qui consomme de la puissance. Cet ensemble circuit est conçu de manière que des composants (C2a, L2a) de celui-ci qui déterminent la puissance sont configurés en fonction de la température, de sorte que la consommation de puissance de la lampe soit limitée lorsque la température augmente. En particulier, les condensateurs (C2a) ainsi que les bobines d'inductance (L2a) peuvent être configurés en fonction de la température dans un circuit d'attaque (AS) de l'ensemble circuit.

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