摘要 |
A lighting arrangement (100), comprising at least one LED lighting device (105, 105', 105 ") comprising a LED controller which is adapted to collect and communicate a required power usage of the LED lighting device (105, 105', 105 "), at least two power source units (101, 111) adapted to supply power to the LED lighting device (105, 105', 105"), and a cluster controller (106), which is adapted to collect characteristics of each power source unit (101, 111) and the characteristics of the at least one LED lighting device (105, 105', 105"), wherein the cluster controller (106) is further adapted to activate and/or deactivate at least one of the at least two power source units (101, 111) depending on the requested power usage of the lighting arrangement (100) and the characteristics of the power source units (101, 111). |