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Perhaps one day in the use of our photovoltaic system, we will suddenly find that the photovoltaic modules are not producing as much electricity as before. Why is that? Here are three possible reasons for this.1. The hot spot effectDuring outdoor use, components will inevitably encounter fallen leav
This article provides examples of solar power system design schemes for certain regions. Design variations may occur due to environmental and policy factors in different areas. For specific schemes, please consult us further. Project Overview The average annual temperature at the project site is 3.4°C, with extreme temperatures ranging from a high of 42°C to a low of -41°C. The annual solar radiation at the optimal angle is approximately 5016MJ/m². The total installation area is about 48.72 square meters, with an installed capacity of 4.68kWp. The system uses 18 polycrystalline silicon photovoltaic modules of 260Wp each and connects to the 220V grid.
PV tempered glass has an iron content of around 0.05% to 0.02%, with a visible light transmittance greater than or equal to 91.5% and greater than or equal to 91% within the 300-2500nm spectral range. It can withstand temperatures above 500 degrees Celsius, has some corrosion resistance to acid rain and harmful gases in the environment, and has good impact resistance. Solar panels need to guarantee stable power generation for 30 years. Only by using customized tempered glass can the performance of panels be maximally guaranteed...
Living in the Northern Hemisphere, we've always assumed that solar power stations should be oriented southward because this direction yields the maximum electricity generation, hence assumed to provide the highest revenue. However, considering the Power Purchase Agreement (PPA) with time-of-use pricing policies, the correlation between peak/off-peak periods and the amount of electricity generated by solar stations isn't always consistent. As ground-mounted and distributed solar energy projects increasingly adopt PPA electricity trading models, the traditional approach of designing stations facing south may no longer yield the highest profits. By aligning solar panel angles according to local time-of-use electricity pricing policies, we can alter the "duck curve" to maximize station revenue!
By using the nominal voltage parameters provided by the inverter manufacturer, the optimal string quantity can be quickly calculated. Strings increase voltage when connected in series and increase current when connected in parallel. For crystalline silicon modules connected to an inverter, single strings are generally considered, focusing on voltage. For bifacial and high-power modules, string current also needs consideration. When the inverter has a 1.1x overload capacity, the capacity ratio can be considered by appropriately increasing the number of modules to match 1.1 times the rated output of the inverter, considering the inverter's connectable string count.
Tips for how to Choosing the Right Solar Panels for Different Installation Scenarios. Best solar solution for solar panel installer. For more precise calculations and a tailored proposal, please contact us directly! Selecting the appropriate solar panels and systems for various installation environments is crucial for maximizing power generation and revenue. Below is a detailed guide on the best options for each specific scenario, including the latest advancements in solar technology. Sun Room, Industrial & Commercial Roof, Offshore Scene, Solar Carport, Concrete Roof, Industrial Park, Gas Station, Wet & Frozen Scene, Floating Solar Project...
Environmental factors have long been a decisive factor in the actual power generation of solar power stations. To address common high-humidity weather such as rain and fog, and to reduce damage and corrosion to solar panels, LONGI has launched the Hi-mo X6 Anti Humidity & Heat module, significantly
With the continuous development of the solar industry, TOPCon is replacing PERC as the new mainstream cell technology. For many solar plant owners, the performance of their power stations using the older generation PERC cells can no longer meet current product demands, making upgrading to new solar
The two-year exemption from solar tariffs for four Southeast Asian countries granted by the United States ended today. Based on the AD/CVD investigation decision released by the U.S. authorities in May, the route for Chinese photovoltaic companies to export products to the United States from Southea
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Last week, the U.S. Department of Commerce (DOC) launched an anti-dumping and countervailing duties (AD/CVD) investigation into solar cells imported from Southeast Asia, regardless of whether these cells are assembled into solar panels. This investigation is based on a petition filed in April by the
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Currently, the global transaction prices of solar panels have reached historic lows. According to EnergyTrend data, as of May 8th, mainstream solar panel prices have fallen below 1 yuan per watt.
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Looking at the global market from four major regional markets, the demand for installed capacity in Asia and Europe is maintaining stable growth. The U.S. market is significantly rebounding, driving overall growth in the Americas. In the Middle East and Africa, the acceleration of energy transition strategies, coupled with a fall in component prices, is accelerating the construction progress of large-scale solar ground stations in Saudi Arabia, the United Arab Emirates, and other regions. In specific markets, Chile, Saudi Arabia, and Turkey have shown impressive growth rates.
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In April, major solar panel companies around the world successively released their own production, sales, and revenue data. Through analysis and comparison, we have compiled the list of the top 10 companies in terms of shipment volume in Q1 2024 globally. Specifically: Ranking Company NameShipmen
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Recently, a preview version of the data sheet for LONGi's new solar panel product is leaked. According to the document, the efficiency of this solar panel can reach 24.4%, for a 72-cell large panel with power ranging between 625-660W. According to industry insiders, LONGi announced in September last year that it would establish a new 12GW high-efficiency monocrystalline cell project. This project will adopt HPBC pro technology, achieving a cell efficiency of 25.8%. The product being discussed may be based on LONGi's previously mentioned HPBC pro technology. LONGi's Chairman publicly stated on March 21 that they would soon launch the next generation of HPBC cells based on champion technology, surpassing TOPCon technology on the market by 5%. It's highly likely that he was referring to this product.
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At last week's World Future Energy Summit and Exhibition (WFES), companies carefully selected solar panels for display, all sharing a common feature: Big size! From the exhibition, it is clear that the mainstream power range of solar panels in the Middle East generally falls into two categories: 550W-580W and 600W-670W. Most will choose double-sided, long-cable modules using N-type TOPCon technology.
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In the midst of the release of China's 2023 financial reports, various solar panel companies have successively disclosed their revenue, production capacity, shipping volume, and other situations from last year, and have set goals for their industry plans for 2024 to the public. Specifically as below
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Recently, Khajeh Nasir Toosi University of Technology in Iran released a report stating that they achieved a power conversion efficiency of 27.63% by using Perovskite materials methylammonium lead iodide (MAPbI3) and molybdenum ditelluride (MoTe2), and altering the nanostructure into a V shape for "enhanced light absorption." They note that MoTe2, in particular, has the potential for "cost-effective manufacturing" and "benefits from other promising properties such as tunable band gap, high carrier mobility, non-toxicity, earth-abundancy, and stability and durability."
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Recently, an article in the US media has stirred up a heated discussion among the public regarding the safety of solar plants. The article points out that solar panels may suffer from damage and performance reduced , or even the stable operation of the entire plants affected, when subjected to severe hailstorms. Even more worrying is the concern that harmful substances such as cadmium telluride may leak from the broken panels, potentially contaminating nearby water sources, weighing heavily on people's minds. At this critical juncture, the Solar Energy Industries Association (SEIA) in the United States has promptly released an authoritative report to address public concerns.
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