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  • How long can a solar street lamp be used in rural areas 2017-12-16
    How long can a solar street lamp be used in rural areas

    The state to support new energy, many parts of the country are installed solar street lights, a solar street lights can be used for how long, this is a lot of beneficiaries are most concerned about. Life and solar panels, solar controller, LED light source, the battery, the following I have to analyze the impact of solar street lights use of these factors: 1.The life of solar panels generally up to 25 years, as long as you are a regular solar panel out of the product, the life of the poles can reach more than 30 years, the use of such a long life parts, can not be considered. 2.Solar street light controller technology is now more mature, not easily broken, as long as the correct use of the instructions, will not cause much threat. Even if the failure, the price is relatively cheap, many manufacturers are common, easy ordering, maintenance is also simple. 3.LED light source and battery life, battery life, manufacturers generally promised to 3 to 5 years, but if the overall system configuration is too small, the street lights are always used in a state of loss, so that the battery will be very fast , That is, the impact of the battery life. Some may have 2 to 3 years have to be replaced once. Usually we use the battery, it is necessary to take into account the daily solar panels charge, but also consider the daily power consumption of light, rainy days, the general we have to set aside 3 to 5 days of rainy days, so lights Generally will be more normal. Solar street lamp life is related to the initial system configuration, do not blindly save costs, configuration is too low. At the same time,related to solar controllers, solar panels, batteries, LED light source of the quality, try to choose the regulate manufacturers products.

  • How to choose solar panel specifications for solar street project 2017-12-16
    How to choose solar panel specifications for solar street project

    In a solar street lamp system, the solar panel specifications determines the quality of the street light directly. Some of the common street lamp failure, such as lack of lighting time, charging abnormalities, and even solar street lamp system damage are related with the specifications of solar panels. Here's how to choose the solar panel specifications for analysis: 1. Solar panels must choose the correct open circuit voltage and operating voltage If you choose the PWM solar charge controller, to 12 V storage charge, the open circuit voltage is generally about 20V, the operating voltage is generally 17.5V. If the 24V battery charge, open circuit voltage and operating voltage of 12V twice. If the MPPT solar controller is selected, the open circuit voltage of the solar panel can not exceed the maximum input voltage of the controller. 2. Solar panel power selection Solar panel power selection, according to the following company calculations: P = Q * h / U * ξ1 / ξ2 / ξ3 * Vp Description: Q-- load power H - load day use time U - system voltage ξ1 - the number of integrated solar system, take 1.05 ξ2 - control circuit efficiency, take 0.85 ξ3 - battery charge and discharge efficiency, take 0.85 Vp - solar panel voltage. 3. Solar panel types, Single crystal and Polycrystalline Single crystal solar panels more efficient, light fades smaller, but the price a little more expensive Polycrystalline solar panels relatively low efficiency, but the price is cheap 4. Solar panel dimensions Dimensions has a lot of size, which size is more appropriate, this is determined by their own street lighting installation environment, in general, the same power, choose a smaller size is more appropriate. 5 other manufacturing processes Including the thickness of the aluminum frame, the transparency of glass, sealant is uniform, packaging and transportation

  • UK Solar Energy Situation 2017-11-04
    UK Solar Energy Situation

    UK solar energy situation Britain wants to reach the EU goal and gradually shut down coal-fired power plants, it is getting more and more energy from renewable sources, such as wind and solar energy. In addition to solar energy, nuclear energy accounts for 23% of the total electricity generation in the UK, 30% of natural gas, and 1.4% of thermal power.  There are also wind power, hydropower, biofuel power generation. However, environmentalists complained of cuts in government subsidies decision of the solar power industry. Hanna Martin, director of the Hannah project in the UK, pointed out: "because of the low cost of solar energy and high power generation, the global solar energy industry is constantly updating the power generation record of Greenpeace.".  In 2016, the proportion of thermal power generation in the UK dropped from 23% in 2015 to 9% in the year; the British government hopes to shut down all thermal power plants by 2025.

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Anhui JNGE Power Co., Ltd. is located in high tech zone, Hefei City, Anhui Province. Hefei is also called Technology City. Our company is a leading manufacturer for solar, wind and other renewable energy products. We have a complete set of R & D, production, sales and service systems. Our factory produce off grid pure sine wave inv...

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