LED Street Light Maximizing Energy Savings ZD903 50W/70W

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Shanghai
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Min Order Qty:
1000 set
Supply Capability:
300000 set/month

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LED Street Light Maximizing Energy Savings Description


By maximizing energy savings and providing uniform and comfortable white light,  ZD903 series are perfectly adapted to illuminate public spaces in cities such as foot and cycle paths, urban and residential streets, parking lots, rural road and courtyard.

The performance, energy savings, and uniformity of these luminaries allow them to be a one to one replacement for standard HID luminaries. With 12v/24v DC interface, they are also applicable to be integrated into solar lighting system.


 Main Features of LED Street Light Maximizing Energy Savings


*Excellent uniformity and target efficacy.
*Energy saving and maintenance free.
*Long lifetime of 35000 hours.
*Incorporates the latest LED technology.
*Solar lighting system interface available.
*Luminaries is rugged made by low copper aluminum with weathertight LED driver compartments and high performance heat sinks..
*Patented all-in-one heat dissipation technology.
*Slim, low profile, minimizing wind load requirements.


LED Street Light Maximizing Energy Savings Images

LED Street Light Maximizing Energy Savings Sepcification

 

ModelLED source brandSystem WattsLuminaire EfficacyLuminous fluxCCTPFColor RenderingBeam AngleLifetimeLuminaire Dimension
WLm/WlmK°hrmm
SFT-ZD903-1CREE XP-G5080400057000.9575135°×75°50000582×284×86
SFT-ZD903G-1CREE XP-G5080400057001.0075135°×75°50000582×284×86
SFT-ZD903-2CREE XP-G7080560057000.9575135°×75°50000654×284×86
SFT-ZD903G-2CREE XP-G7080560057001.0075135°×75°50000654×284×86

 FAQ of LED Street Light Maximizing Energy Savings


*Why do LEDs have a higher initial cost than conventional light sources?

LEDs are made of electronic components which need to be packaged together to offer long lasting efficient light sources to the end user. Apart from the LED chip itself which has sapphire and gallium in the semiconductor, the process of packaging with materials like ceramic, rare earth phosphors, silicone, solder and gold wire add to the overall cost. White LEDs require further tests for calibration and standardisation.

 

*What are the economic advantages of using LEDs over conventional light sources?

Although the initial cost of conventional light sources is less than LEDs, they do not take into account the operational and maintenance cost of the lighting system. LEDs, having a longer life , reduce maintenance and lamp replacement cost.  This reduces cost of labour to replace lamps and the cost of new lamps at the end of lamp life cycle. LEDs, also consume less energy.  Thus the overall cost of a LED system can thus be significantly lower than conventional lighting systems. Most applications with LEDs offer a payback period as low as 3-4 years.

 

*What are the strategies in the development of LED technology that are helping to reduce the cost of LEDs in the future?

Some of the strategies reducing the cost of LEDs in the future are:

Reduction in the production process.

Simplification and reduction in the number of components.

Introduction of new materials.


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Q:How to choose the power of solar street lamp?
The application of energy saving method for street lamp illumination analysis and comparison: 1. The working principle of energy-saving lamps: control the current through the electronic circuit, use the three primary phosphor to achieve the purpose of high energy saving ratio, high luminous efficiency and high color rendering index. 1, advantages: energy-saving lamps than high-pressure sodium lamp energy efficiency of more than 50%, light efficiency 70LM/W, price economy. 2, shortcomings: energy-saving light irradiation distance is short, the illumination can not meet. Energy-saving lamp light generally 10-20%, energy-saving lamp life in about 8000 hours, the maintenance cost is high; the main comments: energy-saving lamp suitable for commercial lighting, Home Furnishing lighting and plant lighting, not suitable for road lighting.
Q:Can the power supply for the LED street lamp be placed under the lamppost?
In fact, it is more convenient to put the driver into the electric door directly. If the later stage needs maintenance, it is not necessary to remove the whole lamp.
Q:Installation method of high-power LED street lamp
Pay attention to the arrangement of exterior lines of all kinds of devices in case of polarity error. The device should not be too close to the heating element, and the operating conditions should not exceed its specified limit.
Q:What is the reason that the longer the wire pulls on the LED street lamp, the lower the voltage?
Wires have resistances. The longer the wires or wires, the smaller the resistance, the greater the resistance.
Q:How much color temperature should be used for a LED street lamp?
The main application of LED street, main roads, secondary roads and branches, factories, schools, gardens, city square, Garden Road, rural road lighting.
Q:In the solar street lighting system, who is the LED driver connected to? How to choose the LED driver power?
It is based on a few strings and a few beads to choose, of course will also consider the power, are generally mounted to the lamp holder, but now generally used one of the cross flow controller
Q:LED lamp of common sense, several, such as the LED street lamp, there are many W have many stars, some lamp is a lamp there are a lot of W number
Are you saying that a lamp with LED lamp or with a large number of W! This is not to say the street is not very high if you don't need very bright I think might use 1W 3W this kind of W is relatively smaller number of beads will power many dozens of W a integrated product although the flux is large but his heat is very large if you can not solve it scattered don't consider those.... But if your technology is mature and fairly good, you can use it to integrate power
Q: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
Q:What role does the light controller and driver play in the LED street light component?
Constant current drive chip solves the problem of uncontrollable current before constant voltage drive. At present, the constant current chip can achieve constant current accuracy of about 1%, and has a simple peripheral control interface, which can flexibly set the required output current, so it is very popular. But these chips are much more expensive than constant chips, and peripheral circuits are complex. At the same time, because of the constant output current, the whole chip will discharge faster when the battery is used as power supply.
Q:22 km road, every 33 meters to install a street lamp, street light power 120W, attached to the LED display 60W, a total of 180W, seeking the best laying line program
611 lights should be divided into at least 10-20 parallel units.

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