How do fluorescent lamps achieve dimming
Fluorescent light is a kind of variable frequency dimming method, through the ballast in the high frequency transformer voltage frequency conversion ratio and related characteristics, fluorescent light source power regulation. The higher the frequency of high-frequency transformers in the ballast, the lower the output voltage of the high frequency transformer. The lower the frequency of the high frequency transformer, the higher the output voltage of the high frequency transformer. The control circuit can adjust the frequency of oscillation of the high frequency transformer, and the output flux of fluorescent lamp can be adjusted. The fluorescent lamp is adjusted for the lighting system, the voltage regulation is fast, the modulation precision is high, and the adjustment parameters can be adjusted in real time. Because the dimming circuit is composed mainly of electronic components, it is relatively small, the equipment quality is light, and the cost of performance is high. But the fluorescent lamp dimming ballast calibration circuit with power factor, the characteristics of the power factor of the dimming ballast is greater than 0.95, this means that when people are in the process of for fluorescent lamp dimming its energy consumption is in the corresponding change. This is fundamentally different from the silicon controlled light.
The fluorescent lamp can also lengthen the life of the light source, adjust the light to 90%, the life of the illuminant extends twice; Adjust the light to 80% and extend the life of the light source by two times. Adjust the light to 50% and extend the life of the light by ten times. Although this is a theoretical value, but the fluorescent lamp dimming can reduce the change frequency light source, the amount of light source to replace in unit time to cut a lot, this one is also has its positive significance for energy conservation and emissions reduction.
You can. The modulation is mainly the frequency of the modulation, which can range from 10 to 100 percent, but must be considered for the low power of the filament. The fluorescent-lit ballast is a very prototyping, and the LUTRON fluorescence modulator works well with the light ballast.
