Reverse phase dimming usually gives you better overall control and smooth dimming down to 5% light levels, while forward phase normally dims smoothly down to 10%. Generally works better with LED light sources and all electronic low-voltage systems.Click to see full answer. Also, what is reverse phase dimmer?When you dim a light or light source, you’re not lowering the voltage, you’re actually removing power from the circuit. However, if the voltage is ridden gently, and then just shut off, it ends up being much easier on the electronic circuitry. This is called reverse phase dimming.Additionally, is ELV reverse phase? Electronic Low Voltage (ELV) Dimmers were originally designed to control Electronic Low Voltage Transformers used in low voltage (12V) MR16 type fixtures. Also referred to as Reverse Phase Dimmers. Keeping this in consideration, is triac dimming forward or reverse phase? A triac or thyristor-type dimmer (Fig. 2) is used for resistive and inductive loads, such as incandescent, neon, cold cathode, and low-voltage (inductive/magnetic) lamp sources. Dimmers used to control these types of loads are known as leading edge (LE) or forward-phase control (FPC) dimmers.How does triac dimming work?The TRIAC dimmer decoder, according to National Semiconductor, detects the dimming angle of a rectified AC current. The LM3450 then decodes the dimming angle, filters it, and remaps the line to a 500-Hz pulse modulation waveform capable of properly dimming an LED.