H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/08 (2006.01)
Patent
CA 2536307
The invention disclosed herein is a dynamic dummy load to allow a phase control dimmer to be used with LED lighting. The invention includes providing a dynamic dummy load to provide a load to the dimmer when the LED electronics do not provide sufficient load due to start up issues or ringing in the circuit, the dynamic dummy load providing a reduced flow of current when the LED and its converter electronics provide sufficient current draw from the dimmer. The system generally includes a power source electrically connected to a phase control dimmer, the phase control dimmer electrically connected to converter circuitry to convert the AC power output of the dimmer to DC power output for powering the LED lighting, a dynamic dummy load electrically connected in parallel with the converter circuitry, the dummy load varying its current draw in response to operation of the converter circuitry.
L'invention concerne une charge fictive dynamique permettant d'utiliser un circuit de gradation à commande de phase avec une DEL. Selon l'invention, cette charge fictive dynamique est utilisée pour fournir une charge au circuit de gradation lorsque l'électronique de la DEL ne fournit pas une charge suffisante pour des questions liées à l'allumage ou à des oscillations dans le circuit, la charge fictive dynamique fournissant un courant réduit lorsque la DEL et son électronique de conversion sont alimentés par un courant suffisant du circuit de gradation. Le système comprend, en général, une source de courant reliée à un circuit de gradation à commande de phase, ce circuit de gradation à commande de phase étant relié à des circuits de conversion permettant de convertir le courant de sortie alternatif du circuit de gradation en courant continu et d'alimenter la DEL, et une charge fictive dynamique montée en parallèle sur les circuits de conversion, la charge fictive adaptant sa consommation en fonction des opérations des circuits de conversion.
Goeken Group Corp.
Sim & Mcburney
LandOfFree
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