EXCITATION DEVICE AND METHOD FOR THE EXCITATION LOADS, IN PARTICULAR CD (LED) BLOC Russian patent published in 2017 - IPC H05B33/08 

FIELD: electricity.

SUBSTANCE: drive unit (30) for driving the load (32), in particular LEDs (LED) unit (32) having one or more LEDs, comprises input terminals (45) for receiving an input voltage (V14) from an external source (12) power for the load (32), the current circuit (46) comprising a controllable switch (50) for connecting the input terminals (45) with each other, a measuring circuit (48) comprising a resistor connecting the input terminals (45) between the to provide an AC voltage corresponding to the input voltage (V14), and including a measuring device for measuring alternating voltage in the measuring circuit (48), and a controller for controlling the controllable switch (50) based on the measured alternating voltage.

EFFECT: ensuring compatibility with different devices, dimmers, in particular dimmers with phase cut-off.

12 cl, 8 dwg