Street Light Pole Number
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FAQ
- Solar LED street lamp, how much is a set of solar street lamps wholesale price?
- Now the conventional 6 meter 30W power solar energy set price is about 1260 yuan, the detailed price ha needs to calculate according to the lighting time and the rainy days.
- What qualifications does LED street lamp product need? Do you need 3C certification?
- Our country government to honor WTO commitments, on December 3, 2001 announced a mandatory product certification system, from May 1, 2002 onwards, CNCA began to accept the first included in the mandatory product catalog 19 categories of 132 kinds of product certification application.It should be noted that the 3C logo is not a quality sign, but a most basic security certification.
- What are the requirements of the LED street lamp chip? How big is it? How many will it take and how big is the distance between them?
- Do you want integration or single kernel? Integration, you have 10W, 20W, 30W, 50W, 70W, 100W (single).
- How is the rated current of the LED street lamp holder?
- For example, the rated power of the lamp is 220W, the rated input voltage is 220V, and the power factor is 0.9Then the rated input current is 220W/220V/0.9=1.11A
- What's the main reason for LED street lights?
- There are many reasons, but the most important reason is the poor quality of the controller
- What is the design height and illuminance of LED street lamps?
- 1, the first screenshot of table 5.1.3, Weff means: effective width of the road.2, the above lamps refer to conventional lighting, the so-called regular lighting is the lamp installation height of 15 meters below the lamppost.3, light cut type refers to: the maximum light intensity direction of the lamp and the vertical axis of the lamp included angle between 0-65 degrees.4, half light type refers to: the maximum light intensity direction of the lamp and the vertical axis of the lamp included angle between 0-75 degrees.
- LED good or low frequency electrodeless lamp?
- LED light is still very serious, uneven quality, used for a long time, as black as under the lamp
- Why is the higher the current, the lower the light efficiency?
- Because the higher the current, according to Ohm's law, of course, the power will also increase, while the luminous efficiency is the total luminous flux / total power
