Solar Led Street Light

Ref Price:: $190.00 / pc

Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: -

Supply Capability:: -

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Q:How long does the general power LED power supply cycle last? Such as street lights, power supplies, 150W, 180W?: Now what research, generally 32 days can be delivered, I do the lamp,

Q:I have just entered the line, I would like to know what the main quality of LED street lighting?: Think there are three reasons, one is the lamp cooling effect, two lamp quality, three is the quality of driving power, the other I do not know, I was in Guangzhou to do the LED lamp power supply, but also good, let me happy is a 100 R & D team. Hope to adopt

Q:What are the components of a solar street lamp?: Solar street lamps mainly include: solar panels, solar controllers, batteries and LED lights

Q:What is the active power of LED street lamp? What is the relationship between input voltage and current and power?: Here, we define the phase angle advance as positive, and the phase angle lag as negative. The actual load is resistance, inductance, capacitance inductance capacitance of three types of complex, composite after referred to as "impedance", written in mathematical is: Z= R+j. where R is the resistance impedance, XL inductance, XC capacitance. If > 0, known as the "perceptual load"; conversely, if < 0 called capacitive load. Alternating current through the inductive load, the phase voltage of the alternating current phase advance; alternating current through the capacitive load, the lag phase alternating current AC voltage; electrical engineering definition of the power factor angle phi angle of power factor angle phi Cos phi is called the cosine value of power factor. For resistive load, the voltage and current of the phase difference of 0 degrees, therefore, the power factor of the circuit is 1 of the maximum; and pure inductance circuit, voltage and current phase difference of 90 degrees, and is a leading current voltage; in pure capacitance circuit, voltage and current phase difference is - 90 degrees. The current leading voltage. In the latter two circuits, the power factor is zero. For a general load circuit, the power factor is between 0 and 1. By mathematical impedance Z=, R+, J, if XL = XC, then Z= R, that is, impedance Z becomes a pure resistor, power factor is equal to 1.

Q:What heat sink is best for LED street lamp radiator?: What is the external force of heat, force, that is to say, with the use of external heat, fan in the lamps or using superconducting tube, water-cooled, and so on, the advantage of active heat dissipation, efficiency has been improved, but the structure is complicated, the cost is increased, and the service life of the cooling equipment is generally not too long, less than 2 years is basically finished.

Q:Who knows LED street lamp warm white light and positive white light have what difference, how should choose?: If the power is the same, the brightness of the white and warm white light should be the same.

Q:What are the main differences between a LED street lamp and a solar street lamp? What are the advantages and disadvantages of each?: It is two kinds of concept that do not conflict, it is the explanation of street lamp from two angles, can make LED solar energy street lamp completely.

Q:The difference between LED modular street lights and LED street lights: They are all LED street lights. Structural design is different, modular street lights, such as 150W, it can be divided into 3 modules, a group of 50W, such benefits, problems, convenient maintenance!

Q:LED street lights installed on both sides of the road, horizontal installation and angle installation (0~30 degrees), natural convection heat dissipation, that good heat dissipation.: Generally speaking, this is a better angle installation, and the light source installed vertically below is the best,In fluid mechanics, the density of hot air is smaller than that of cold air, small density, light mass of hot air rises, cold air sinks, and natural convection occurs. But it doesn't have to be angled, depending on the shape of your fin design and the way it is cooled.

Q:What are the specifications of LED street lamps?: By power points: 50W, 70W, 80W, 100W, 120W, 150W, 200W, 180W...Press the mounting height for: 1m, 1.2m, 1.5m, 1.8m, 2m...According to light source type cent: big power LED, integrated LED, COB, small power LED

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