SOLAR STREET LIGHT 50W

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Q: The power consumption of a street lamp?: Halogen lamp 200W 5 hour kilowatt hourLight bulb 100W 10 hour kilowatt hour

Q: Why is the higher the current, the lower the light efficiency?: What I know is: junction thermal resistance, spectral distribution drift

Q: In the solar street lighting system, who is the LED driver connected to? How to choose the LED driver power?: This will save up the power supply in the lamp holder trouble, LED lamp cap damage rate is the highest power, previously in the lamp holder, and now generally will be placed below.

Q: Want to do a LED street lighting, do not know how to start, please recommend books or websites, can understand the whole process of doing LED street lights!: Sorry, can not say, now these things are sold hot goods, no one will change to you, including a lot of information

Q: Location of constant current source for LED street lamp: Solar street lighting controller is divided into two buck and step-up, Buck 50 yuan, step-up 80 yuan, the warranty for three years. 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.

Q: How to select suitable driving power for LED street lamp: LED lamp driving power supply for outdoor work, poor environment, the temperature variation of four seasons a year, the summer sun, winter cold, but also accept the rainstorm, lightning shock, so all kinds of tolerance need to be considered.

Q: The design idea of LED intelligent energy-saving street lamp: The traditional light sources used for road lighting are mainly high pressure sodium lamps. The LED street lamps are mainly used in some trunk roads, but they have shown obvious difference. In the light effect, high pressure sodium lamp is up to 140lm/W, than the current commercial 100lm/W high power LED light efficiency is high, but the LED color index (about 80) is much more than high pressure sodium (about 25), and in the same illumination, white LED helps the driver or pedestrian recognition target, the road lighting the effect and comfort degree is much higher than that of high pressure sodium lamp. In the lighting efficiency, high pressure sodium lamp designed by considering the spherical reflector efficiency of high pressure sodium lamp efficiency generally only 70%. but LED is a directional light, such as the use of appropriate design of light distribution, most of the light will directly onto the pavement, the lamp efficiency can reach above 85%.

Q: What is the heating temperature at the LED street lamp?: You ask this question is not clear, good heat dissipation, low temperature, poor heat dissipation, the general surface temperature is best not more than 70 degrees, each LED street lamps are not the same

Q: LED technical requirement of street lamp 100W: (5) the environmental temperature of LED street lamp should be -20 to +50 centigrade, and other special requirements such as temperature, humidity and corrosiveness of the local environment should be satisfied.(6) the power factor is greater than or equal to LED 0.95 lamps, lamp power supply efficiency is more than 95%.(7) the working voltage range of LED street lamp is from 85V to 265V (in this voltage range, LED lamps can still work normally).(8) LED street lamp has surge suppression performance (against lightning stroke), the input over-voltage protection, when the voltage is restored to normal, can resume work.

Q: What is the meaning of the "LED 3.5M 50W" street lamp?: The lamp pole is 3.5 meters high and the light source is led50W. Yangzhou is the biggest street lamp production base in China. It can be visited by the manufacturers.

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