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The development and advantages of Wind-solar complementary street lamps
2018-10-25

Wind-solar complementary road lighting is an emerging field of new energy use. It not only reduces the dependence on conventional electricity for urban lighting, but also provides new solutions for rural lighting. In recent years, more than 100 companies in China have announced that they have invested in this, and various scenery and complementary streetlight projects have been launched. But obviously, this market is not as big as wind and solar energy, and most of them are small and medium-sized companies that are smart and well-known. The wind and solar hybrid streetlight industry has quickly set off, but mainstream commercial applications are still being explored.

According to the “2013-2017 China Landscape Complementary Street Lamp Industry Development Prospect and Investment Forecast Analysis Report”, the total number of urban and rural street lights in China is about 200 million baht, and it is growing at a rate of 20% per year, if this is 200 million 400. The tile or 250 watt high pressure sodium lamp is all changed to 150 watt or 100 watt wind and solar complementary LED street light, and each street lamp works 12 hours a day, saving 150 billion kWh in one year. The total power generation of the Three Gorges Hydropower Station in 2010 was 84 billion kWh. Therefore, after converting all the 200 million street lamps in the country into wind-solar complementary street lamps, the electricity saved is equivalent to the annual power generation of 1.8 Three Gorges Hydropower Stations in 2010.

During the “Twelfth Five-Year Plan” period, the energy conservation and environmental protection industry will occupy an important role in economic construction, and the clean energy sector will benefit a lot. These investments will provide a broad market opportunity for wind and solar hybrid manufacturing enterprises. The global environment is deteriorating and countries are developing clean energy. With China's rapid economic development for more than 30 years, power supply has not kept up. At the same time, a large number of thermal power plants have also caused environmental pollution. China has abundant wind and solar energy resources, and street lamps are used as outdoor installations. The combination of the two is made into wind-solar complementary street lamps, which undoubtedly provides a good solution for national energy conservation and emission reduction. A set of 400 watt conventional street lamps consumes more than 1000 degrees of electricity per year, equivalent to more than 400 kilograms of standard coal. If you change to 1000 sets of 150-watt wind-solar complementary street lamps with equivalent lighting effects, you can indirectly save millions of dollars in one year and save more than 400 tons of standard coal. It can be seen that the development prospects of wind-solar complementary street lamps in the urban road lighting industry are very promising.

Energy saving and emission reduction, saving environmental protection, no large amount of electricity expenses in the later period. A resource-saving and environment-friendly society is becoming the trend of the times. Compared with traditional street lamps, wind-solar complementary street lamps use natural renewable solar energy and wind energy as energy sources, do not consume any non-renewable energy sources, and do not emit polluting gases into the atmosphere, resulting in a reduction in pollution emissions to zero. For a long time, the protection of the environment is self-evident, and it also eliminates the cost of a large amount of electricity expenses in the later period.

streett lamps

It is exempted from cable laying and construction, and does not require a large number of power supply facilities. The operation procedures of the mains lighting project are complicated, and the basic engineering such as trenching, laying down pipes, pipe threading, backfilling, etc., requires a lot of labor; at the same time, large quantities of electrical equipment such as transformers, power distribution cabinets, and power distribution boards are also costly. financial resources. Scenery complementary street lights will not, each street lamp is a separate individual, no need to cable, no need for large quantities of electrical equipment, saving manpower and saving money.

Individual damage does not affect the overall situation, and is not affected by large-scale power outages. Since the conventional street light is a cable connection, it is likely to affect the entire power supply system due to individual problems; this is not the case with the wind and solar complementary circuit lights. In the distributed independent power generation system, individual damage will not affect the normal operation of other street lamps. Even if a large-scale power outage is encountered, the lighting will not be affected, and the uncontrollable loss is greatly reduced.

It saves a lot of cable overhead and is more immune to the loss of cable theft. Installation of street lamps in remote areas where the power grid is not widely available has high installation costs and serious theft. Once stolen, affecting the entire power output, the loss is huge. The use of wind-solar complementary street lights does not have this concern. Each street light is independent and free of cable connections. Even if the theft occurs, it will not affect the normal operation of other street lights and minimize the loss.

Intelligent control, eliminating manual operation, simple construction and convenient maintenance. The wind and solar complementary street lights are controlled by intelligent controllers, which can be divided into two automatic control modes: time control and light control, which are both safe and economical. The independent power supply system is not affected by large-area circuit construction, and the process is simple and the construction period is simple. Short, maintenance is more convenient.

City lighting. As an emerging energy system, it has played a certain role in lighting while saving costs and improving system stability. Today, when traditional energy accounts for most of the market, new energy has undoubtedly become a highlight of cities and communities. Improve people's awareness of energy conservation. The lack of traditional energy sources and the pollution of the environment have reached a point where they must be resolved. The global air pollution is quite serious. The use of new energy can effectively improve people's awareness of energy conservation and make our lives more quality and energy-saving. The wind-solar complementary street lamp is a smart street lamp that uses wind energy and solar energy to supply power. It also has the advantages of both wind power generation and solar power generation, providing a stable power supply for urban street lamps.

 
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