Improved dimmer circuit arrangement

Details Improved dimmer circuit arrangement Improved dimmer circuit arrangement

H - Electricity

05

B

H05B 39/04 (2006.01) H02M 1/08 (2006.01) H02M 1/15 (2006.01) H05B 39/08 (2006.01) H05B 41/38 (2006.01)

Patent

CA 2480407

A dimmer circuit arrangement is disclosed including a second control circuit (40) for controlling the operation of a triac (50) for delivering current to a load (60), and a first control circuit (10) for controlling the operation of an IGBT power semiconductor switch (20) for controlling the rate of rise of load voltage. The first control circuit also controls the operation of the second control circuit.

L'invention concerne un arrangement de circuit gradateur, qui comprend un second circuit de commande (40) de triac (50) pour la fourniture de courant à une charge (60), et un premier circuit de commande (10) de commutateur à semi-conducteur de puissance IGBT (20) permettant de contrôler le temps de montée de tension de la charge. Ce premier circuit de commande permet aussi de contrôler le fonctionnement du second circuit de commande.

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