Wind solar hybrid street lights are a sustainable and cost-effective lighting solution for streets and public spaces. These innovative lights are powered by wind and solar energy, making them a renewable and environmentally friendly alternative to traditional grid-powered lights.
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The key components of wind solar hybrid street lights include solar panels, wind turbines, batteries, controllers, and LED lights. Let’s take a closer look at each of these components and learn how they work together to provide efficient and reliable lighting.
The solar panel is the main component responsible for harnessing solar energy. It converts sunlight into electricity through the photovoltaic effect. During the day, solar panels absorb sunlight and generate electricity, which is then stored in batteries for later use.
A wind turbine is an important part of a wind hybrid street light because it harnesses the wind to generate electricity. When the wind blows, the turbine blades spin, converting the wind’s kinetic energy into electrical energy. This energy is also stored in batteries for continuous lighting.
Batteries are used to store electricity generated by solar panels and wind turbines. It can be used as a backup power source for LED lights when there is insufficient sunlight or wind. Batteries ensure that street lights can operate efficiently even when natural resources are unavailable.
The controller is the brain of the wind solar hybrid street light system. It regulates the flow of electricity between solar panels, wind turbines, batteries, and LED lights. The controller ensures that the energy generated is used efficiently and that the batteries are effectively charged and maintained. It also monitors the performance of the system and provides data needed for maintenance.
LED lights are the output components of wind and solar complementary street lights. It’s energy-efficient, long-lasting, and provides bright, even lighting. The LED lights are powered by electricity stored in batteries and supplemented by solar panels and wind turbines.
Now that we understand the individual components, let’s see how they work together to provide continuous, reliable lighting. During the day, solar panels absorb sunlight and convert it into electricity, which is used to power LED lights and charge batteries. Wind turbines, meanwhile, use the wind to generate electricity, increasing the amount of energy stored in batteries.
At night or during periods of low sunlight, the battery powers the LED lights, ensuring that streets are well-lit. The controller monitors the energy flow and ensures optimal use of the battery. If there is no wind or sunlight for a long time, the battery can be used as a reliable backup power source to ensure uninterrupted lighting.
One of the significant advantages of wind solar hybrid street lights is their ability to operate independently of the grid. This makes them suitable for installation in remote areas or places with unreliable power. Additionally, they help reduce the carbon footprint by harnessing renewable energy and reducing reliance on fossil fuels.
In short, wind and solar hybrid street lights are a sustainable, cost-effective, and reliable lighting solution. By harnessing wind and solar power, they provide continuous and efficient lighting of streets and public spaces. As the world embraces renewable energy, wind solar hybrid street lights will play an important role in shaping the future of outdoor lighting.
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Post time: Dec-21-Advantages of wind-solar hybrid solar street lights:
The wind-solar hybrid street light is a new energy street light with solar energy as the main and wind energy as the supplementary power supply. Its structure is generally that there is a horizontal axis or a vertical axis fan at the top of the light pole, the solar panel is below, and the street lamp is below. The advantage of wind-solar hybrid street light is that it can alleviate the problem of low or no charging of solar panels in rainy days and nights. This original intention is very good, but there are still some problems in the actual use process.
Disadvantages of wind-solar hybrid solar street lights:
1) The fan charging efficiency is low. Generally, due to the limitation of cost and pole size, the fan power used in our wind-solar hybrid street lights is relatively small, within 100-600W. Unfortunately, the charging efficiency of these fans is relatively low. For the wind turbine to effectively charge the lithium battery (lifepo4 battery) in the solar system, two basic conditions need to be met at the same time: strong wind power. When the wind speed of this type of small-power fan is 10-13m/s, that is, the strong wind of about level 6, the power generation efficiency is relatively high. When the wind is strong, the power generation will not increase, and it is easy to damage the fan. persistent wind. In fact, as long as there is wind, the fan can generate current and voltage, but the wind is small, the voltage generated by the fan is too small, and it is not higher than the voltage of the lithium battery (lifepo4 battery), so it cannot charge the lithium battery (lifepo4 battery); Continued strong winds, which generate high currents for a short period of time, are also insufficient to charge the batteries effectively. It is difficult for most areas in China to meet the above two conditions at the same time, so customers should choose carefully according to their own climatic conditions.
Wind power conversion curve diagram of a wind turbine manufacturer
2) High cost. The cost of the fan is relatively expensive. Take the commonly used 300W fan as an example, the market price is generally around -. At this price, a whole set of street lights can be sold, and the price/performance ratio is relatively low. In addition, due to the sufficient space for the fan, the height of the light pole has to be increased, and at the same time to meet the stronger wind resistance requirements, the diameter and wall thickness must also be increased accordingly. The explicit cost plus the hidden cost is compared to the energy that the wind turbine can generate, and it can be calculated whether the solution is worth the money.
3) The light coverage area is small. Fans, especially horizontal axis fans occupy a relatively large distance, at least one meter should be reserved for it, which directly reduces the height of the light source, thus affecting the light coverage. The height of the light source is 7.5 meters and 6 meters respectively. The same lamp covers an area of 8*37 meters and 6*30 meters respectively. Obviously, the distance between the light and wind complementary lamps is reduced by 7 meters, and the coverage area is reduced by 116 square meters, which is 60% less.
4) After-sale maintenance. The after-sales rate of high-quality fans is relatively low, but in actual projects, limited by the target price given by customers, only medium or low-priced products can often be selected, and the after-sales rate will increase. The device is prone to failure, which increases the after-sales cost of the overall system.
SHENZHEN MANLY BATTERY CO.,LTD specializes in the production of new energy lithium batteries, mainly used in LED lights, solar street lights, solar energy systems, energy storage systems, photovoltaic systems, wind power generation and other related fields, if you need batteries Please contact: