Jincheng 'Solar Photovoltaic Power Generation Demonstration Base'

by:Power Kingdom     2021-04-28
Since the beginning of summer, the temperature in our city has been rising steadily, reaching 30°C at the highest time. Many shopping malls, hotels, and office buildings have turned on air-conditioning, and electricity consumption is also increasing. In contrast, the daily electricity consumption of the Danhe constructed wetland office building is only about 5 degrees. Recently, the reporter visited this city's first 'solar photovoltaic power generation demonstration base'.  The Danhe constructed wetland office building is located in Shuibei Village, Jincun Town, Zezhou County. It was officially put into use in June 2010. Due to the remote location and unstable power supply lines, power outages were frequent when it was first put into use, which affected normal work.  In order to improve this problem, in December of that year, the Municipal Environmental Protection Bureau equipped the office building with a 1650W solar photovoltaic power generation system. 'This system is composed of 20 solar panels and components such as control, inverter, voltage stabilization, power storage, lightning protection, etc.' According to a staff member of the Danhe constructed wetland, the working principle of this system is under light conditions during the day. , The solar panel absorbs sunlight to charge the battery. When electricity is used, the output power is provided by the storage cabinet, and the output power is converted into AC power through the switching of the control cabinet, and the power is sent to each room through the power distribution cabinet. In addition, all the landscape lights outside the office building are all solar power generation.   Last year, Danhe constructed wetland was named the first 'solar photovoltaic power generation demonstration base' in the city. It can save 15,000 kilowatt-hours of electricity each year. 'The main job of this set of solar equipment is to supply power to the computers, lighting fixtures and other electrical equipment we need for work.' A staff member said that in addition to air conditioning and other electricity consumption In addition to large electrical appliances, 60% of the electrical equipment in the office building is generated by solar energy. When solar energy is not installed, the daily electricity consumption of the office building is above 20 degrees, and now it is about 5 degrees per day.   The reporter learned that the cost of purchasing and installing this set of solar equipment is about 210,000 yuan. Will such a high cost cause the dilemma of 'saving electricity and costing money'? This staff member calculated the accounts for the reporter. The service life of this set of equipment is 20 years, the battery is 5 years, the cost of replacement is 27,000 yuan, and the cost in 20 years is 31.8 million yuan. The annual electricity bill for normal office buildings is about 14,000 yuan, and the electricity bill for 20 years is 280,000 yuan. In addition, the line is repaired once every five years, with a cost of 20,000 to 30,000 yuan each time. The two costs add up to 400,000 yuan in 20 years. In this way, the use of solar energy can save 82,000 yuan in 20 years, which is still very cost-effective in comparison. From another perspective, this solar equipment can save 15330 degrees of electricity every year, which is equivalent to saving 6 tons of raw coal and reducing 20 tons of carbon dioxide emissions. By the end of 20 years, 120 tons of raw coal can be saved, and 400 tons of carbon dioxide emissions can be reduced.
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