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Economic and technological development zone quang township Yin; household photovoltaic grid-connected power generation demonstration project



One,the project profile

On February 1, 2016, liaocheng economic and technological development zone quang township Yin; villagers zhang home installation of household photovoltaic power station connected to the grid, the project has also become China's top 500 enterprises new hualian group new energy plate, shandong hualian photovoltaic co., LTD., the first intelligent household photovoltaic demonstration projects, also marks the liaocheng economic and technological development zone of the first household photovoltaic power station on demonstration projects, this is a warm heart really benefit the people's livelihood project.

Second, the project to solar energy

Liaocheng city is rich in solar energy resources, as one of the better area for solar energy resources in shandong district. Liaocheng city level, the average annual solar radiation peak hours for 1642.5 h, the average daily solar radiation peak hours for 4.5 h, the average radiation level years of 5913 mj / ㎡, with the development and utilization of solar photovoltaic power generation project value.

Three, project design solution

1. The power generation system design

The project for the installed capacity of 5 kw photovoltaic modules, and adopts the model of full access to the Internet.

(The working principle of figure)

2. The lightning protection design

In order to ensure the system in safe operation under bad weather conditions, such as thunderstorm, the lightning protection design are adopted in this system. Component phalanx directly grounded. Inverter ac output line lightning protection device to the secondary protection.

3. The island design

To ensure that when a fault happens in the power plant is no longer to supply power to the grid, the project adopted have isolated monitoring function of inverter, to ensure the safe operation of the plant.

4. Electricity

The project adopts the photovoltaic system, power generating capacity in 25 years the average capacity estimation, an annual output of more than 7000 degrees.

5. Energy conservation and environmental protection analysis

A preliminary calculation, compared with the same capacity of thermal power, which is equivalent to 20900 kg per year of standard coal saving, coal saving 25 years is 52320 kg. The equivalent of a year can reduce a variety of atmospheric pollutant emissions, reduce sulfur dioxide emissions of about 40 kg/year, carbon dioxide is about 4870 kg/year, at the same time can also save a large amount of fresh water resources, reduce the discharge of solid particles in the air.

Four, project investment and economic analysis

According to the state subsidies policy an average annual income of up to 7000 yuan, and profit 25 years in a row.




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