LED street light failure
fecha:2011-05-16 11:28
estado:para resolver
pregunta:admin
be as simple as check the curve in Figure 1, you can know the junction temperature of 95 degrees corresponds to life when you can get LEDs life is 20,000 hours of. However, this method is used indoor LED lighting still has some credibility, if applied to the outdoor LED lighting, especially in high-power LED street light, where there are many uncertain factors. The biggest problem is the LED lights in the radiator cooling efficiency decreases with time. This is due to dust, bird feces and makes
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