Counter Flicker with load resistor?

    • Autor

    As many others I’m experiencing some problems with a LED driver that has a soft start circuit. This results in a bright flash of the lamp every few seconds.

    I was wondering if it would help to put a 25w resistor in series with my load. I would expect the flickering to subside in off state and a worsened efficiency (by 25w) in on state.

    Any opinions on the feasibility of this approach?

    Thanks in advance!

    The supply current of the Shely 1L flows through the LED driver in switched off mode. The input capacitor of the driver is charged. When the capacitor voltage reaches a certain threshold, it starts for a moment. The capacitor voltage drops and the LEDs are going off again.

    A series resistor won't help, the current will still flow.

    A parallel load can help, like the Shelly Bypass. But according to the reports here, not in all cases. What will help most likely is an incandescent lamp 230V~ parallel to the LED driver input.

    • Autor

    Thanks for the explanation!

    So if I understand correctly the incandescent bulb would allow for the current to flow so it does not start charging the capacitor on the power supply?

    I’ll try adding a small incandescent light on the same power line and check if that works.