You don't need grid support, you only need to bask in the sun and blow your hair to work. Have you seen such a street lamp? Yesterday, in Wuhe, Liuyang, on the bank of Liuyang River in Changsha City, 45-inch wind and solar hybrid street lights were put into use. The new energy technology project of wind and solar hybrid lighting is one of the top ten energy-saving projects in Changsha this year. If the trial effect is satisfactory, it will be promoted in the city in the future.
Professor Li Guokun, a famous magnetic circuit expert and first-class hero of the Ministry of Aerospace, who went to Hunan to participate in the first building energy-saving summit forum in Changsha, revealed that the street lamp uses the all-permanent-suspension technology to minimize the frictional resistance of the fan, compared with ordinary wind turbines. Compared with the energy efficiency increase of more than 20%, the wind speed reaches 1.5 m / s, can achieve light wind start, breeze power generation, greatly reducing the threshold for the use of wind and solar energy resources.
The basic principle of such street lamps is to use wind energy and solar energy collection devices to convert them into electrical energy, and then use energy storage devices to store electrical energy. When the condition that requires illumination is reached, the intelligent controller automatically turns on the stored stored energy to achieve illumination. Each lamp is an independent power generation lighting system. Even in the case of snowstorms and typhoon weather, it can still be illuminated without rain and without integration into the power grid.
According to the staff of the Street Light Management Office of Changsha Electric Power Bureau, at present, the cost of the complementary scenery of new energy street lamps on the market is about 18,000 yuan/piece, which is about 3,000 yuan higher than ordinary street lamps. However, the 73,000-inch ordinary street lamp in Changsha consumes about 3 yuan per night, and the annual electricity consumption is 900 yuan. The electricity cost for all street lamps is about 210,000 yuan per day. If you can use the scenery and complementary new energy street lamps, you can save a lot. Energy and funding. At present, Professor Li Guokun cooperated with Hunan Zhongke Hengyuan to launch the first 1.5km wind-solar complementary streetlight strip in Changsha in the Liuyang River scenery belt of Changsha Wuhe.
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