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Application analysis of LED lighting in cold region

Application analysis of LED lighting in cold region

  • 2020-09-26
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Application analysis of LED lighting in cold region

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  • 2020-09-26
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Advantages of LED lighting in cold environment

 

Compared with incandescent, fluorescent and high-intensity discharge lamps, LED components work much better at low temperatures, or even better at optical performance than at room temperature. This is closely related to the temperature characteristics of LED devices. Figure 1 shows the temperature and relative light output curve of a brand of high-power LED devices. It can be seen that with the decrease of junction temperature, the luminous flux of the luminance will increase relatively. According to the law of heat dissipation of lamps, junction temperature is closely related to ambient temperature. The lower the ambient temperature, the lower the junction temperature is bound to be. In addition, we can see from Figure 2 that the reduction of junction temperature can also reduce the light decay process of LED light source and delay the service life of lamps, which is also the characteristic of most electronic components.

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