Industry News

Home

Industry News

Overview of Solar LED Street Lights How Do They Work? How to choose the right one for your project

Author : Ismail Hossin

Update time : 2022-09-29 16:26:02

A necessary thing in public enlightenment for streets and other public areas. Our sense of security on the streets at night is increased thanks to their provision of road traffic safety. However, they use a lot of electricity.
There are 304 million streetlights worldwide as of right now. By 2025, there will be 352 million streetlights worldwide. The 26 million streetlights in the USA use as much electricity each year as 1.9 million houses and produce as much greenhouse gas as 2.6 million cars. The private sector owns and operates at least 60% of these streetlights. The USA has yet to become a hotspot for the adoption of solar-powered street lights. The system would use less power if solar-powered street lights were installed.
Imagine all the advantages of having a solar-powered street lighting system if LEDs alone can improve the efficiency of public lighting.

Fig:01

Municipal solar street lights provide a more affordable and sustainable solution that has significant positive effects on the city, according to research based on work done in the two Ugandan cities of Jinja and Kampala. Are you looking for a cost- and carbon-free approach to enlighten your outdoor areas? See this compilation assessment of the top solar lamp posts for sustainable lighting. Solar-powered LED lighting Solar electric lighting systems do in fact connect to a truly "infinite" power source - the sun. as we all know, the source of intermission. In the case of solar outdoor lighting, the power source is inversely related to the load (the lights turn on when the sun goes down). This relationship leads to an important conclusion; the system must rely upon storage (batteries) unless it remains connected to the grid. However, for a solar lighting system to function continuously, the solar panel and battery must be designed for the time of year with the longest hours, shortest days, and mostly cloudy weather, which all occur at the same time each year. The solar business has consistently sought out the most effective lumens per watt DC lighting and oversized the system for the remainder of the year to combat this worst-case scenario. DC fluorescent bulbs, larger solar panels, more batteries, more expenses, and an awful aesthetic were the result. As a result, the market for solar LED lighting was restricted to regions closer to the equator with the highest average sun irradiation and temperatures that did not impair the efficiency and lifespan of the fluorescent bulbs. Additionally, it underserved the markets in the higher latitudes, which often have higher levels of per capita affluence and stronger lighting needs.
HipowerLED saw an opportunity to include white LED lighting in its product lines and a market that needed to be better served as a way to prioritize its development efforts. The company recognized its role in integrating the components into practical products and developing the core part that most cost-effectively manages their operation thanks to its in-depth knowledge of solar cell characteristics and system operation, resources in circuit design and microprocessor programming, and strong relationships with major manufacturers of key components. HipowerLED announced SLS2 Technology, a bulb, driver, and system management combination, as the first implementation of such a system. The HipowerLED aims to establish a more strong bond between the lighting load, solar cells, battery storage, and the user after cutting the proverbial umbilical cord to the electric grid. Achieving the highest level of resource usage is crucial for HipowerLED, even though using high-efficiency parts and circuit designs is an important part of R&D. In this area, HipowerLED significantly advances the LED industry.
Advantages of solar-powered street lights:

Fig:02

Solar street lights are weatherproof, water-resistant, low-glare, and have a low insect attrition rate. These lights use solar panels to convert solar energy into electrical energy, which is stored in an internal battery and used for lighting operations from twilight to morning. There is no requirement for a grid. In this way, enormous amounts of money will be saved, which is quite important for a nation to thrive. When compared to traditional lighting, LEDs are more efficient and cost-effective, while having a somewhat higher initial installation cost.
Save electricity: solar power LED lights convert solar energy to lighten up the LED light. Solar panel Light photons can easily pass through a very thin p-type layer to enter the p-n junction when the light reaches there. Photons from light carry energy that is sufficient to produce many electron-hole pairs at the junction. The junction's thermal balance is disturbed by the incident light. Free electrons in the depletion zones can swiftly travel to the junction's n-type. Similarly, holes in the reduction could easily move in the direction of the junction's P-type. Due to its barrier potential, the junction cannot be moved once the freshly formed free electrons have started moving in the direction of the n-type. it doesn’t require any external electricity to lighten up the led.
Why LED light?
Well, a few characteristics of LED distinguish them from standard High-Pressure Sodium Lamps. Compared to other commercially available lighting technologies, LEDs use a lot less energy. The typical source efficiency is significantly higher than that of conventional lighting, ranging between 150 and 220 lumens per watt. Additionally, they emit light in a focused region with direction, as opposed to ordinary lamps that cast light in all directions, and with west energy produce significantly fewer losses than traditional lamps because they eliminate the need to reflect or redirect light. The graphic below helps to better illustrate this contrast.
Working principle of battery:
A battery converts chemical energy into electrical energy by storing it in the course of chemical reactions in batteries, electrons travel from one substance (electrode) to another through an external circuit. Electric current can be employed to carry out work because of the passage of electrons.
Advantages of ingratiation with battery:
During an electrical outage, solar and batteries can supply backup power. They can continue to run crucial infrastructure to maintain ongoing access to services like communications. In addition to microgrids and smaller-scale applications like mobile or portable power units, LED lights, and so on. Without storage, electricity must be produced and used simultaneously, which may require grid operators to "curtail" certain generations in order to prevent overproduction and problems with the reliability of the grid. On the other hand, there might be occasions when solar energy output is low but demand for power is high, such as after sunset or on cloudy days. Enter storage, which may be topped off or charged when production is high and the energy consumption is low, then used to store or release energy when demand or load is high. When a portion of the solar energy generated is stored, grid operators can use it whenever they need it, even after the sun has set. Storage functions in this manner as a form of solar insurance.

What is the best way to purchase solar-powered streetlights?
Avoid being frightened by the alternatives for solar streetlights; we can help you find them our team is always here to help you.
Before purchasing a solar street light, keep the following factors in mind.
Brightness is the most important thing, How can you be sure that you won't wind up purchasing stadium lights if all you want to do is light up your garden? You should consider the lumen rating if you want to prevent dazzling every time you open your garden door. How much visible light the lamp will produce is indicated by the lumen. Greater lumen rates indicate that the source of light is brighter. Lumens are a measure of how bright and how far a light source can project. A few suggestions for outdoor lighting lumen levels are listed below:
Lighting Types and Lumen Requirements

100-200 lumens for path lighting

12-100 lumen step lights

700–1300 lumens for floodlights

border lights with motion sensors 300–700 lumens

200-400 brightness pond/pool lights

50-185 lumens for hardscape lighting (on walls)

50-300 lumens for landscapes
The battery is essential to guarantee that you won't be left in the dark in the middle of the night. Batteries must charge quickly because sunlight is only present for a brief length of time during the day. Batteries should last for at least 10 hours when used outside. Consideration must be given to weather resistance A high-quality solar lamp must be able to withstand challenging circumstances. If at all possible, they ought to be heatproof, waterproof, and even rustproof. You may trust hipowerled in this situation because all of their goods have received top-tier certification. Sensors are crucial components as well. Include light sensors to ensure that the system turns on and off automatically. Once motion is detected, the motion sensor activates the full brightness. Otherwise, the light will be turned off.

Conclusion
In this article, I have tried to describe described overall solar street-led light and how it works in detail. What solar panels & battery function and how to choose the solar street led light for your own projects? And a recommendation for the source where you can find your LED light.

Previous : Distinction between floodlight and area light use Floodlight as area light

Language

Language

Industry News

Overview of Solar LED Street Lights How Do They Work? How to choose the right one for your project