The auto regulator ballast is also called a constant-wattage autotransformer (CWA). It can limit the current and transform the voltage. They can handle a +10% line voltage variation. Over the range, they can maintain the wattage within +5%, which is better than reactor and lag auto ballasts. They can also keep the light on when there is a sudden voltage drop. They are widely used in HID street lights.
More reading: 7 Types of Street Lights Classified by Light Sources
I want to know how bright are the street lights. Is the brightness for street lights at different places different?
I live in America and I find some blue LED street lights. I don’t understand the purpose of setting these lights. Why do they make the light blue?
I guess the street lights near me are set according to a scheduel and then light up together. But I think if the street lights can light up only when necessary, it would be better. Are there motion sensor street lights?
Smart street lights have become the newest trend for lighting up the streets. As more and more projects about setting smart street lights are carried
Illuminance uniformity is one of the light distribution characteristics of street lights. If the light distribution design is not reasonable enough, it will lead to
LED lights are widely used as the light source for outdoor lighting. For example, LED street lights are now replacing traditional HPS street lights to
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