The efficiency of photovoltaic panels in industry is currently around 20%, the power per square meter is therefore 200 watts.
A day's electricity production is linked to the day's irradiation. There is a professional term in the industry: equivalent power production time (which is converted to equivalent power production time below 1000 W/m of equivalent power?). generation time on rainy days...
There are several types of solar energy production. One is crystalline silicon material, including monocrystalline silicon and polycrystalline silicon, the other is amorphous silicon power generation, that is, it is not crystalline. silicon, there is thin film solar power, flexible solar power generation. Thanks to amorphous...
The efficiency of commercial photovoltaic solar panels can now reach around 16%, which meansie that 16% of the solar energy obtained from a square meter can be converted into direct current. The intensity of light varies greatly from region to region, so the same...
Take the Shanghai region as an example. Between May and June, the intensity of solar energy received per square meter is approximately 12 hours. 900-1000wh.
How many kilowatts of photovoltaic panels can be installed on one hundred square meters of land?
One hundred square meters of photovoltaic panels can install approximately 15 kilowatts of photovoltaic panels depending on 5. hours of light per day, in theory it can generate 5 × 15 = 75 kilowatt hours of electricity.
The annual energy production is: 720WH*100*365=26280000WH
There are several types of photovoltaic energy production. One of them is crystalline silicon, including monocrystalline silicon and polycrystalline silicon. the other is amorphous silicon power generation,which is not crystalline silicon. Due to the low conversion rate of amorphous silicon, crystalline silicon photovoltaic power generation is now more widely used.
Generally speaking, 1 square meter of solar panel is approximately 120-140W. If calculated as 120W, the sun at 6 hours per day is 120*6=720WH
Ten. How much does it cost to install and use 5 kilowatts?
If the installation rate is relatively large, it will be around 4 yuan
? How much does it cost to install and use 15 kilowatts?
40,000?
If the photovoltaic power output is 10 yuan/watt, it will cost about 150,000 yuan to install 15 kilowatts. The average electricity production is 60 degrees per day. Subsidy policies vary from place to place. Income is still good! Himin's photovoltaic modules are of good quality and can be inspected.
How much area is needed to install five kilowatts?
Assuming that the distance between each panel is not calculated, in most cases the area occupied by each kilowatt is 6.5 square meters.
Generally speaking, the distance between each board is at least 50 centimeters to facilitate servicing, maintenance and repair, so the area per kilowatt is about 6 .9 square meters. .
In addition, you must have a wall closest to the photovoltaic panels, protected from wind, sun and rain, and used to place electrical equipment. It covers an area of at least 1.5. square meters to facilitate installation, maintenance and future repairs.
Photovoltaics and wind energy are currently recognized as new sources of clean energy with little impact on the environment.
However, although it is claimed to be a cleansing energysource, but strictly speaking, whether it is photovoltaic or wind energy, it will have a certain impact on the environment.
For example, photovoltaics will have the following impacts on the environment:
1. Installing photovoltaic panels will take up a lot of space.
2. During the production process of photovoltaic panels, trichlorosilane and silicon tetrachloride will be produced, which are substances that have an impact on the environment and human health.
For example, wind energy will also have an impact on the environment during the deployment process.
It is said that large-scale deployment of wind power will affect atmospheric circulation and cause changes in ambient temperature.
It is also said that the large-scale deployment of wind power will affect the circulation of water vapor in the atmosphere and affect the distribution of land areas.s of precipitation.
Even if the above statement is accurate, the two new energy sources of photovoltaic power and wind power themselves have not yet achieved 100% impact on the environment. ...it will have some impact to some extent.
Of course, compared to traditional energy sources, photovoltaic and wind energy have very little impact on the environment and are sufficiently environmentally friendly. This is why these two new energy sources and other new energy sources have such advantages. extensive development.