How to calculate the reduction of pollution emissions from solar photovoltaic power plants?

According to the statistics of energy experts, every kilowatt-hour of electricity generated by photovoltaic power stations saves kilograms of standard coal, while reducing kilograms of carbon dioxide emissions, kilograms of sulfur dioxide emissions, and kilograms of nitrogen oxide emissions. Take a 2MW photovoltaic power station as an example. The 2MW photovoltaic power station can generate 2 million kWh of electricity per year.

So. The standard coal saved is: 2,000,000* tons, the reduced carbon dioxide emissions are: 2,000,000* tons, the reduced sulfur dioxide emissions are: 2,000,000* tons, and the reduced nitrogen oxide emissions are: 2,000,000* tons.

Solar energy is a clean energy source, and its power generation process is safe, reliable, clean and pollution-free. The use of solar power means reducing the use of fossil fuels and reducing the emission of carbon dioxide and other gases, which can effectively solve the serious problem of today's smog. We can understand it this way, for every kilowatt-hour of electricity generated by photovoltaic power plants, thermal power plants can generate less electricity, and correspondingly reduce some coal burning.

Reducing coal burning also reduces emissions of pollutants such as carbon dioxide and sulphur dioxide. In fact, the use of photovoltaic power station is the same as that of traditional power station, one is traditional energy power generation, and photovoltaic is environmental protection energy power generation, and the use is the same. 1 kWh = million watts.

A few tens of megawatts is tens of millions of watts. If the effective sunlight time is calculated as 4 hours per day, that is, the power generation of a 50MW photovoltaic power station is 200MWh, which is 200,000kWh = 200,000 kWh. If all the electrical appliances in your home are added up, the estimated load power is 1000W, that is, a 50MW photovoltaic power station can generate electricity for 4 hours a day, so that all the electrical appliances in the home can be used for 200,000 hours, which is about 23 years.

In fact, the use of photovoltaic power station is the same as that of traditional power station, one is traditional energy power generation, and photovoltaic is environmental protection energy power generation, and the use is the same. 1 kWh = million watts. A few tens of megawatts is tens of millions of watts.

If the effective sunlight time is calculated as 4 hours per day, that is, the power generation of a 50MW photovoltaic power station is 200MWh, which is 200,000kWh = 200,000 kWh. If all the electrical appliances in your home are added up, the estimated load power is 1000W, that is, a 50MW photovoltaic power station can generate electricity for 4 hours a day, so that all the electrical appliances in the home can be used for 200,000 hours, which is about 23 years.

Suppose the annual power generation is 1,200,000 kWh. Then: save the amount of standard coal: 1200000kwh tons. Reduced carbon dust exhaust air volume: 1200000kwh tons. Reduction of carbon dioxide.

Emission reduction: 1200000kwh tons. Reduces sulphur dioxide.

Emissions: 1200000kwh tons. Reduction of nitrogen oxides.

Emissions: 1200000kwh tons.

It should be noted that due to the different capacity and efficiency of each thermal power plant, the amount of standard coal consumed per kilowatt-hour of electricity is different, and with the improvement of thermal power technology, the amount of coal burned by kilowatt-hour of electricity has been decreasing, and the data mentioned above is an average in a general sense.

Photovoltaic power generation is clean and environmentally friendly, with reliable technology and stable income, which is not only suitable for the construction of household and village-level small power stations, but also suitable for the construction of large-scale centralized power stations, and can also be combined with agriculture and forestry to carry out a variety of "photovoltaic +" applications. Photovoltaic poverty alleviation is carried out in areas with better sunlight resource conditions according to local conditions, which is not only in line with targeted poverty alleviation.

The targeted poverty alleviation strategy is also in line with the national clean and low-carbon energy development strategy; It is not only conducive to expanding the photovoltaic power generation market, but also conducive to promoting the stable income and income of the poor population, and winning the battle of poverty alleviation for all localities.

Add new power.

Some of the mentions are:"Reduction of CO2 emissions"(i.e. CO2), some of which are mentioned"Carbon emission reduction"Therefore, the results of reducing CO2 and C are very different. Therefore, it is necessary to distinguish the specific meaning of emission reductions by the authors, and they can be converted, that is, reducing 1 ton of carbon (liquid carbon or sequestration) is equivalent to reducing tons of carbon dioxide. Saving 1 kg of standard coal = reducing emissions by kg"Carbon dioxide"= Emission reduction in kilograms"Carbon"。

Moreover, the state issued a notice: from September 2013, a unified electricity subsidy method will be adopted, with distributed subsidy yuan kWh and grid-connected subsidy for 20 years. This is what we call photovoltaic power generation subsidies, with the support of subsidies, greatly mobilized the enthusiasm of users to install photovoltaic power generation, and stimulated the development of the entire distributed photovoltaic market, this subsidy has continued for more than three years, until not long ago the subsidy of this yuan was reduced to yuan.

In other words, it is equivalent to only making money and not losing money.

Summary. 1) The calculation method prescribed by the national norms.

According to the latest "Photovoltaic Power Station Design Code GB50797 2012" Article 1: Calculation of power generation stipulates:

1. The power generation capacity of the photovoltaic power station shall be calculated and determined according to the solar energy resources of the location of the site, and various factors such as the system design of the photovoltaic power station, the layout of the photovoltaic array and the environmental conditions.

2. The annual average power generation EP of photovoltaic power station is calculated as follows:

ep=ha×paz×k

where: ha——is the total annual irradiation of solar energy in the horizontal plane (kw·h m2);

EP - for the on-grid power generation (kW·h);

paz – system installed capacity (kw);

k is the overall efficiency coefficient.

The overall efficiency coefficient k is a correction factor that takes into account the influence of various factors, including:

1) Correction factor for PV module type;

2) the correction coefficient of inclination and azimuth angle of the photovoltaic array;

3) Photovoltaic power generation system availability;

4) light utilization;

5) Inverter efficiency;

6) Collector line and step-up transformer loss;

7) Correction coefficient of surface pollution of photovoltaic modules;

8) Correction factor for conversion efficiency of photovoltaic modules.

This calculation method is the most comprehensive, but for the grasp of the comprehensive efficiency coefficient, for non-senior photovoltaic practitioners, it is a test, in general, the value of K2 is between 75% and 85%, depending on the situation.

How to calculate the amount of electricity generated by photovoltaic solar energy.

Glad you asked, is sorting out the information about it, be patient.

1) The calculation method prescribed by the national norms. According to the latest "Photovoltaic Power Station Design Code GB50797 2012" Article 1: Calculation of power generation stipulates:

1. The power generation capacity of the photovoltaic power station shall be calculated and determined according to the solar energy resources of the location of the site, and various factors such as the system design of the photovoltaic power station, the layout of the photovoltaic array and the environmental conditions. 2. The annual average power generation EP of photovoltaic power station is calculated as follows: EP=HA PAZ K

ha——is the total annual irradiation of solar energy in the horizontal plane (kw·h m2); EP - for the on-grid power generation (kW·h); paz – system installed capacity (kw); k is the overall efficiency coefficient. The comprehensive efficiency coefficient k is a correction factor after considering the influence of various factors, including: 1) the correction factor of photovoltaic module type; 2) the correction coefficient of inclination and azimuth angle of the photovoltaic array; 3) Photovoltaic power generation system availability; 4) light utilization; 5) Inverter efficiency; 6) Collector line and step-up transformer loss; 7) Correction coefficient of surface pollution of photovoltaic modules; 8) Correction factor for conversion efficiency of photovoltaic modules.

This calculation method is the most comprehensive, but for the grasp of the comprehensive efficiency coefficient, for non-senior photovoltaic practitioners, it is a test, in general, the value of K2 is between 75% and 85%, depending on the situation.

Hope mine can help you.

Hello, glad to answer for you. 1. Calculation method (1) The calculation method prescribed by the national norms. According to the latest "Photovoltaic Power Plant Design Code GB50797-2012" No. 6

Article 6: The calculation of power generation stipulates: 1. The power generation of photovoltaic power station shall be calculated and determined according to the solar energy resources of the site location, and various factors such as photovoltaic power station system design, photovoltaic array layout and environmental conditions.

2. The annual average power generation EP of photovoltaic power station is calculated as follows: EP=HA PAZ where K: HA is the total annual irradiation of horizontal solar energy (KW· H m2); EP - for the on-grid power generation (kW·h); paz – system installed capacity (kw); k is the overall efficiency coefficient.

The comprehensive efficiency coefficient k is a correction factor after considering the influence of various factors, including: 1) the correction factor of photovoltaic module type; 2) the correction coefficient of inclination and azimuth angle of the photovoltaic array; 3) Photovoltaic power generation system availability; 4) light utilization; 5) Inverter efficiency; 6) Collector line and step-up transformer loss; 7) Correction coefficient of surface pollution of photovoltaic modules; 8) Correction factor for conversion efficiency of photovoltaic modules. This calculation method is the most comprehensive, but for the grasp of the comprehensive efficiency coefficient, for non-senior photovoltaic practitioners, it is a test, in general, the value of K2 is between 75% and 85%, depending on the situation.

You are referring to photovoltaic power plants.

How to calculate the designed power generation?

PV array capacity * equivalent sunshine time = total initial power generation.

Initial Total Power Generation * Array Efficiency = Array Power Generation.

The unit of equivalent sunshine time is hours per day. Therefore, the calculated power generation of the square array is the average daily power generation, calculated annually, and multiplied by 365.

The equivalent sunshine time can be obtained using the "average annual sunshine radiation" of 1000W.

Array efficiency = (1 - cable.

loss) * equipment efficiency * transformer efficiency * (1 - dust impact) square array efficiency is generally 70% 80%, maybe 70% is not so low, I can't remember the specifics. How much should you go to, you can ask the design institute with new energy qualifications.

The power of photovoltaic modules can be used for photovoltaic power generation by the local sunshine hours, and in addition to this, the power consumption of the inverter and battery must also be considered.

Generally speaking, the power station will have corresponding monitoring software to monitor drops in real time.

Photovoltaic power generation is calculated according to his theoretical power generation. The actual amount of electricity generated is definitely less than this, and that's because the irradiation is not as large as theoretically possible.

According to the power of the photovoltaic module multiplied by the local sunshine time, the amount of photovoltaic power generation can be carried out Solar photovoltaic power generation is based on solar cell modules, using the electronic characteristics of semiconductor materials, when sunlight shines on the semiconductor PN junction,

Electricity meter, a meter approved by the power grid company.

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