Sharp monocrystalline solar panels
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Sharp Solar Thin film modules
Sharp NA thin-film modules are designed for high-power applications. The thin-film modules build on the silicon crystal solar cell technology, which has been well-maintained for 40 years, and are characterized by their outstanding durability even under harsh operating conditions and are suitable for grid-connected systems.
Sharp Solar Mono- and Multicrystalline Modules
Whether in the self-sufficient supply or for grid feed-in: the modules are the load-bearing parts of the photovoltaic system. Basically, a distinction is made between two cell sizes: (126 mm) ² and (156.5 mm) ², and in two cell types: monocrystalline and multi- / polycrystalline. Sharp‘s PV modules can be used for both grid-connected and island PV systems. The performance guarantee is up to 20 years
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The company history of Sharp Solar goes back far into the past. In 1912, the company Sharp was founded, which rapidly developed into an internationally operating company. With regard to the overall development of photovoltaics, Sharp Solar can be described as a pioneering company. In 1959, Sharp Solar began developing solar cells, mass-produced by the company in 1963.
Currently, most of the photovoltaic products are produced in Japan. The steady and international expansion of Sharp Solar was followed in 2004 by the start of production of photovoltaic modules in Europe as well as in the USA. Today, the modules developed and produced by Sharp Solar are used in many areas, such as private, commercial or industrial environments. Even in unusual environments, from lighthouses to satellites, the modules of Sharp Solar find their applications.
Today Sharp Solar mainly produces monocrystalline and polycrystalline solar modules, thin-film modules and the complete system Sharp PV-Kit. The monocrystalline modules generally consist of solar cells, which consist of a silicon crystal. They are recognizable by their black color and are developed for applications which place particularly high demands on the module. All of Sharp Solar’s monocrystalline photovoltaic modules are also suitable for use with grid-connected systems. Polycrystalline modules are made up of those solar cells, which consist of many silicon crystals. They are recognizable by their blue color and are ideal for those cases where highly durable and durable modules are needed. They can also be used in grid-connected systems.
The thin-film modules from Sharp Solar have a slightly lower efficiency. However, they are mainly optimized for grid-connected roof systems. This is reflected in particular in the design of the thin-film modules, which aims at a long life and the fastest possible and easy installation of the solar modules. In addition, Sharp Solar uses a tandem structure composed of a multicrystalline and an amorphous silicon layer in this type of module.
The Sharp PV kit from Sharp Solar is a complete photovoltaic system that can be used in single-family homes and multi-family dwellings. Sharp Solar offers here in addition to the rooftop mounting of the system also an integrable variant. In addition, the system can also be further optimized in terms of its performance. Depending on the orientation of the roof, Sharp Solar offers various photovoltaic modules for the system. If the roof is oriented to the south, monocrystalline solar modules ensure a particularly high level of system efficiency. If the roof is facing east or west, Sharp Solar recommends the installation of thin-film modules. With this complete system, the individual solar modules can be installed without the use of a tool. The possibility of an extension at a later date was also taken into account in this case.
Sharp Solar Panel NU-JC370
Sharp presents its range of high-performance PERC monocrystalline 120 half-cells photovoltaic modules from 320Wp. Thanks to the half-cell technology, the Sharp Solar Panel NU-JC370 has a 2-3% higher performance and higher efficiency than modules of the same size with a whole cell.
The half-cell module is divided into two upper and lower halves, connected in parallel via 3 substrings in series.
The main benefits of the half-cell modules for users are a 2-3% higher module performance and higher total yields. In a half-cell module, standard full cells are cut into two equal halves. In addition, the module is also divided into an upper and a lower half and the half-cells arranged thereon.
By dividing the cells, the power generated per cell is halved and resistance losses on cell and module level are reduced to one quarter. In addition, the halved current can significantly reduce the temperature in the cells and therefore reduce the risk of hot spot effects. The three small junction boxes, each fitted with only one bypass diode, are transferring less heat to the cells below as well.
These factors also boost the longevity of the overall system and dividing the module in half will also have an impact on the overall performance. The path of the generated current is shortened by dividing the module, further reducing resistance losses. Mounting the module vertically will also prove beneficial in shading situations.
Three Junction Boxes
The junction boxes become 3, containing a bypass diode, with this system a better heat dissipation is guaranteed and the module lasts longer over time.
Shorter busbars lower currents 75% less losses due to resistance Lower cell temperatures increases module longevity Lower current lower cell temperature less risk of hotspots Up to 15 W more production per module These factors have the effect of increasing the longevity of the entire system and an impact on overall performance.
Higher Yield Even In Case Of Shading
The half-cell modules thanks to the divided structure, a two-half has a higher efficiency even in the event of shading.
For example, if the lower part of the module is shaded, the module still generates 50% performance with the upper part, while the production of a whole-cell module would be completely compromised.
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This could be the case of shadows between the rows in installations on open fields or roofs, in this way we can guarantee production from sunrise to sunset.
Solar modules from Sharp with half-cut technology exceed 19.5% efficiency
The Japanese electronics giant has unveiled three monocrystalline half-cut cell modules said to provide 2% to 3% better performance than standard, full-cell panels. The claimed efficiency of the modules exceeds 19.5% and Sharp says power output ranges from 330 W to 395 W.
Sharp says its new half-cut cell line offers advantages over rival, full-cell products.
Japanese electronics giant Sharp Corporation has launched a new PERC monocrystalline PV module series based on half-cut cell technology.
The product range features three five-busbar modules which the company claims can offer a yield increase of up to 3% compared to full-cell rivals.
Sharp claims the smaller 330-watt, 120-half-cut cell module offers 19.5% efficiency and weighs just 19.5 kilograms, making it particularly suitable for commercial and industrial applications. The manufacturer said the other two 144-cell panels – with power outputs of 385 watts and 395 watts – are recommended for large rooftop or ground-mounted projects. Those 23-kilogram products are said to have an efficiency of 19.6% along with a 1500-volt system voltage.
“With the addition of 1400 mm cables that enable leapfrog wiring and [which] reduce balance-of-system costs, this module is the ideal choice for major industrial projects and power plants,” said the company.
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Advantages of half-cut technology
Sharp said the three modules – which comply with IEC61215 and IEC61730 standards – are beneficial in projects with shady conditions, and added that half-cut technology helps decrease temperatures compared to standard cell technology, as well as lowering the risk of hot spots.
“The half-cut cells can still generate a 50% performance with the upper half of the module, even when the lower half is shaded,” the company noted.
In April, the Japanese manufacturer launched three PERC monocrystalline modules with a claimed conversion efficiency of 19.1%. The conglomerate achieved 25.09% conversion efficiency in 2018 from a cell using heterojunction and back-contact technology, as certified by the Japan Electrical Safety and Environment Technology Laboratories.
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Emiliano joined pv magazine in March 2017. He has been reporting on solar and renewable energy since 2009.
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Looking for our favorite picks? Check out our list of top-rated residential solar panels.
You might notice that solar panels come in different sizes.
The 66/108-cell solar panel is popular choice, measuring around 68” x 45” and weighing about 45 lbs. 60/120-cell solar panels are also common — about 4 to 5” shorter than a 66/108-cell panel.
Both sizes are suitable for home solar systems, so choosing the right size will come down to your rooftop configuration. Opt for the bigger size if you’re installing a ground-mount system or if your roof’s layout allows for bigger panels.
Monocrystalline vs. Polycrystalline
Solar panels are composed of cells made of monocrystalline (mono) or polycrystalline (poly) silicon. Most panels today are monocrystalline.
GoGreenSolar exclusively carries mono solar panels, which are popular due to higher efficiency. They also perform better in low-light conditions (compared to poly solar panels).
Half-cut Solar Cells
Half-cut solar cells are one of the latest developments in solar technology. Our ZNshine 108-cell panel is a customer favorite.
These traditional solar cells are split in half by a laser cutter, designed to prevent energy loss and boost performance.
As electrical currents move through wires and cells, some energy is lost, known as a resistive loss. A half-cut cell reduces resistive loss, therefore improving solar panel output. Half-cut solar cells are also more efficient in shade.
The average range for solar panel efficiency is 17 to 20%. A solar panel with 19% efficiency, for instance, can convert 19% of the sun’s energy into electricity.
Solar panel wattage output ranges from 310 to 420 watts, with an average per-watt price of 68 to 75 cents. Wattage indicates how much power the solar panel produces.
Here at GoGreenSolar, we use solar panels with higher-end performance ranging between 335 to 405 watts and 18 to 20% efficiency.
Higher efficiency panels are ideal if you’re working with limited space (like your rooftop) and would want fewer panels to get the job done.
Solar panel vary, depending on the type of panel, manufacturer, cell size and wattage output.
Our featured solar panels cost between 300 to 400 per panel, which is a competitive price considering the brands’ top-tier quality and high standards. Some solar panels can run as high as 600.
The total number of solar panels you need for your residence will also vary based on the size of your home and energy needs. Solar panel do not include the cost of inverters, racking, other parts and equipment, and installation costs.
At GoGreenSolar, we’ll work with you to create a solar panel system that fits your budget and energy needs. Each solar kit includes complete installation support from our team, so you don’t have to spend thousands of dollars hiring a professional.
Solar is a significant investment, so it’s crucial to understand how solar panel warranties work.
A product warranty covers physical defects or faulty manufacturing. All of our solar panel brands offer a 10- to 12-year product warranty.
A performance warranty guarantees that your solar panel will continue to produce close to its intended output throughout the warranty period. All of our solar panel brands offer a 25-year performance warranty.
Every panel, regardless of brand or wattage, decreases output over time, but typically doesn’t lose more than 10 to 20% over 25 years.
Power Output Degradation
To understand how power output degradation works, refer to the graph on the right. In this example, we have a solar panel with a 90% power output warranty for 12 years and an 80% power output warranty for 25 years.
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