Dimming - Help! My lamps flicker with a Niko universal dimmer with PLC interference suppression.
If your lamps or luminaire flicker and you are sure it is due to PLC signals, then you can choose between the following options:
- Configure the dimmer with the most suitable lamp profile and regulate the minimal dimming level until the light intensity of the light source is stable. This option does not remove the source of the PLC, but the flickering will be reduced to a minimum.
- If option 1 is not a solution for you, then replace the LED lamps with other LED lamps that are less sensitive to PLC signals.
- When the PLC signals have a higher ripple amplitude also quality LED lamps will suffer from flicker. In this case, you should install a tone signal filter. This special filter will remove PLC signals from the mains voltage. The technology is provided by the company that developed the PLC technology for the electricity operators. This solution requires a substantial investment. Ask your professional installer for advice.
- An alternative solution is to connect the lighting circuits to an uninterruptable power supply (UPS). The UPS transforms the 230V AC mains voltage into DC voltage for battery storage and then converts the DC voltage back into a pure 230V alternating current. Important: Use a “true sine wave” UPS which offers a true sine voltage and not a square wave voltage. This solution offers an adequate solution. Ask your installer for advice about this option.