know more about photovoltaic system generation

<p><strong>1. What are the components of <a href="https://www.pvsolartech.com/" target="_blank">solar photovoltaic</a> equipment?</strong></p><p><br></p><p>The whole set of equipment is composed of solar cell modules, bracket system, inverter, electrical power distribution system, etc. The installation and debugging of the equipment can be completed in 1 to 3 days, and it can be used normally for 25 years without any changes to the original wiring of the family. about.</p><p><br></p><p><strong>2. What conditions are needed to install solar photovoltaic equipment?</strong></p><p><br></p><p>As long as your home has a certain area of unobstructed plane, slope or external wall conditions, you can apply for installation without damaging the roof and waterproofing.</p><p><br></p><p><strong>3. Is the rooftop distributed photovoltaic system reliable? Will there be a risk of illegal construction?</strong></p><p><br></p><p>At present, the distributed <a href="https://www.pvsolartech.com/" rel="noopener noreferrer" target="_blank"><strong>photovoltaic system</strong></a> has been developed for several years, and already has very mature market experience. The design and technology are also very reasonable. There is no need to renovate the house, and the installation plan can be designed according to different building environments. Not only the common concrete roofs of self-built houses, the glazed tile roofs of villas, or the color steel tile roofs of factory roofs, can all be used to build distributed photovoltaics.</p><p><br></p><p><img src="https://img80003070.weyesimg.com/uploads/pvsolartech.com/images/16033332435461.jpeg?imageView2/2/w/1920/q/100/format/webp" alt="HYBRID INVERTER"></p><p><br></p><p>The state strongly supports the development of distributed photovoltaics on buildings and has issued various supporting documents, so there is no risk of illegal construction. The grid company also encourages and supports the grid connection acceptance. As long as the distributed photovoltaic is built, it can apply for grid connection with the grid company, and there is no indicator limit.</p><p><br></p><p><strong>4. How much investment is needed to install a set of solar photovoltaic power generation equipment?</strong></p><p><br></p><p>According to the installed power, the current installation cost per kilowatt for the basic model is about 10,000 yuan. The power of the general villa home solar photovoltaic power generation equipment is in the range of 5 to 8 kilowatts, and the total investment is 60,000 to 100,000 yuan. Generally, the power of rural household solar photovoltaic power generation equipment is in the range of 3 to 5 kilowatts, and the total investment is 30,000 to 50,000 yuan. (The actual price is adjusted according to the actual situation of the project).</p><p><br></p><p><strong>5. The initial investment is so expensive, three to fifty thousand yuan can be used for more than ten years of electricity bills, will you lose money?</strong></p><p><br></p><p>The benefits of photovoltaic power generation are not only the savings in electricity bills, but also state subsidies and some local subsidies. According to the model of spontaneous self-use of surplus electricity to the grid, the total revenue of photovoltaic power generation = electricity savings + excess electricity sales revenue + state subsidies + local subsidies. Calculated in this way, most parts of the country will be able to recover the cost in 5-8 years and bring 25 years of stable cash flow. The yield of photovoltaic power generation is still good.</p><p><br></p><p>Regarding the cost of photovoltaic power generation, for a photovoltaic power generation system, the main materials account for 70% of the total system price, and the installation fee accounts for 10%. The remaining part is the cost of supporting the normal operation of the enterprise. For rural users, the state has introduced sunshine loan services and even photovoltaic poverty alleviation policies. In the near future, each of our households can afford photovoltaic power generation.</p><p><br></p><p><strong>6, The life span is too low, and the later maintenance is laborious and laborious. In case of any disaster, you will lose money?</strong></p><p><br></p><p>A set of <a href="https://www.pvsolartech.com/" rel="noopener noreferrer" target="_blank"><strong>photovoltaic system</strong></a> can normally generate electricity for more than 25 years. If qualified products are strictly selected, the system integrator can basically guarantee that there will be no additional maintenance costs in the later period. Most brand companies provide limited power generation warranty for photovoltaic modules produced, and the power generation attenuation in 20 years will not exceed 20% of the nominal power.</p><p><br></p><p>Regarding this ability to resist natural disasters, this year the strongest typhoon in the history of the Pearl River Delta's 14th-level transit has not a single power station that has a problem, and it has been running smoothly. Facts have proved that in accordance with the scientific design plan, the ability of photovoltaic power plants to resist natural disasters is no problem.</p><p><br></p><p><br></p><p><strong>7. There are state subsidies now. What if they are cancelled someday?</strong></p><p><br></p><p><br></p><p>Regarding the issue of subsidies, the state will subsidize 0.42 yuan per kilowatt hour for self-use mode for 20 years. Now that the station is built, it will receive 0.42 yuan per kilowatt-hour subsidy for the next 20 years; if the subsidy is cancelled someday in the future, the power station built before It will not be affected, but you will not be able to enjoy subsidies if you build photovoltaic power plants later. Therefore, it is a golden opportunity to seize the current subsidies to invest in photovoltaic power plants.</p><p><br></p><p>Distributed photovoltaic power generation is still very broad, but the development path of any new things will not be smooth sailing. In the future, people will accept more and install more roofs in homes, industries and businesses, and people will feel the life changes brought about by photovoltaic power generation.</p><p><br></p><p><img src="https://img.weyesimg.com/collection/a14d466dc56450f02ecf329461ec423c/5a6ee73ad729a0c2822f0828c92b75cf.jpg?imageView2/2/w/1000/q/100/format/webp" alt="12V Car DC to AC Converter 2000W"></p><p><br></p><p><strong>8. How do you treat the news that "a lot of energy is consumed in the production of photovoltaic modules"?</strong></p><p><br></p><p>Photovoltaic cells do consume a certain amount of energy in the production process. Among them, industrial silicon purification, high-purity polycrystalline silicon production, and monocrystalline silicon rod/polycrystalline silicon ingot production consume higher energy. However, photovoltaic cells can continuously generate energy during their 20-year service life. According to calculations, under the average sunshine conditions in my country, the energy return of the photovoltaic power generation system during the whole life cycle exceeds 15 times of its energy consumption. The energy payback period of the 1-kilowatt rooftop photovoltaic grid-connected system installed in Beijing at the best inclination angle is 1.5-2 years, which is far below the service life of the photovoltaic system. In other words, the electricity generated by the photovoltaic system in the first 1.5-2 years is used to offset the energy consumed in its production and other processes, and the energy emitted after 1.5-2 years is purely output energy. Therefore, the energy consumption of photovoltaic cells should be evaluated from the perspective of the entire life cycle.</p><p><br></p><p><strong>9. How much sunlight can we use? Can it become the dominant energy source in the future?</strong></p><p><br></p><p>The solar radiation received on the surface of the earth can meet 10,000 times the global energy demand. The average annual radiation per square meter of the earth's surface is about 1000-2000kWh. International Energy Agency data shows that installing photovoltaic <a href="https://www.pvsolartech.com/oem-odm-service" rel="noopener noreferrer" target="_blank"><strong>solar systems </strong></a>on 4% of the world’s deserts is sufficient to meet global energy demand. Photovoltaic power generation has a broad development space (roof, building surface, open space, desert, etc.), and the potential is huge.</p><p><br></p><p>According to preliminary statistics, my country's market potential is about 300 million kilowatts or more by only using the existing building roofs to install distributed photovoltaic power generation. Coupled with the vast Gobi in the west, the photovoltaic power generation market potential is about billions of kilowatts or more. With the technological advancement and large-scale application of photovoltaic power generation, its power generation cost will be further reduced, becoming a more competitive energy supply method, gradually transitioning from supplementary energy to alternative energy, and very hopefully becoming the dominant energy in the future.</p>