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What is a Solar PanelA solar panel or a PV Panel is a device that converts light from the sun, composed of photons, to electricity. A solar panel is a collection of solar or photovoltaic cells which can generate energy through photovoltaic cells. These cells are arranged in a grid-like pattern on the surface of solar panels.&nbsp;Solar panels are made up using crystalline silicon solar cells.How Does a Solar Panel WorkSolar panels are composed of&nbsp; individual solar cells which are themselves composed of layers of silicon, phosphorus and boron. Solar panels absorb photons thus initiating an electric current. The resulting energy generated from photons striking the surface of the solar panel allows electrons to be knocked out of their atomic orbits and released into the electric field generated by the solar cells which then pull these free electrons into a directional current. This process is known as the Photovoltaic Effect.&nbsp;History of PanelsThe development of solar energy goes back more than 100 years. In the early days, solar energy was used primarily for the production of steam which was used to drive machinery. But it wasn't until the discovery of the "photovoltaic effect" by Edmond Becquerel that allowed the conversion of sunlight to electricity. In 1893, Charles Fritts invented the first solar cell which was formed by coating sheets of selenium with a thin layer of gold. And from this humble beginning would arise the device we know today as the solar panel.Russel Ohl invented&nbsp; the world's first silicon solar cell in 1941. Solar panels found their first mainstream use in space satellites. For most people, the first solar panel in their life was probably embedded in their new calculator.Today, solar panels are used to power a wide variety of applications. Solar panels are&nbsp; now used in calculators to solar plants that can power entire cities.&nbsp;Types of Solar PanelsMonocrystalline Solar Panels (Mono-SI)This solar panel is made of monocrystalline silicon. You can easily recognise them from the uniform dark colour and the rounded edges. The solar panel has one of the highest efficiency rates. Monocrystalline panels have a high power output, occupy less space, and last the longest. Another advantage to consider is that they tend to be slightly less affected by high temperatures compared to polycrystalline panels.<h4>Polycrystalline Solar Panels (Poly-SI)</h4>This panel is made of monocrystalline silicon. This type of solar panel has squares, and it has a blue, speckled look. They are made by melting raw silicon, which is a faster and cheaper process than that used for monocrystalline panels.This leads to a lower final price but also lower efficiency, lower space efficiency, and a shorter lifespan since they are affected by hot temperatures to a greater degree. However, the differences between mono- and polycrystalline types of solar panels are not so significant and the choice will strongly depend on your specific situation.&nbsp;<h4>Thin-Film Solar Cells (TFSC)</h4>Thin-film solar panels are manufactured by placing one or more films of photovoltaic material (such as silicon, cadmium or copper) onto a substrate. These types of solar panels are the easiest to produce and economies of scale make them cheaper than the alternatives due to less material being needed for its production.<img src="https://sungloimages.s3.eu-central-1.amazonaws.com/Mono_crystalline_Polycrystalline_Thin_Film_Solar_Panels_Sunglo_56aeddd8f8.jpg" alt="Mono crystalline Polycrystalline Thin-Film Solar Panels Sunglo.jpg">PERC Solar PanelsPERC panels are modified silicon cells that have an additional layer on the back. Because this extra layer is reflective, it is able to send unused light back across to generate more energy. This reflective surface also helps to reduce rear recombination and prevent longer wavelengths from becoming heat that would otherwise impair the cell’s performance.&nbsp;Benefits of Solar Panels1. Solar energy is clean &amp; green.&nbsp;Generation of electricity through fossil fuels damages the environment due to pollution. On the other hand, there is no such difficulty in the origin of solar energy.2. Not dependent on other sources of EnergyAfter solar energy came into existence and its increased use, the pressure on other energy sources has come down, which is a good sign for both the ecosystem and the environment.3. Low&nbsp; maintenanceSolar power systems do not require much maintenance. They need to be cleaned twice every year. Inverters are also a part of the system, and need to be replaced in five to 10 years, that is, very little is spent on maintenance.4. Renewable EnergySolar energy is actually a source of renewable energy. It can be used in every corner of the world, i.e. it is always available. Solar energy is a never-ending energy source5 . Lower Electricity BillsSince you will meet all your energy needs with electricity generated from solar energy, you will get relief from the huge cost of the electricity bill. How much you can save on your bill depends on your needs.Why choose Sunglo ?With Sunglo you can be worry free, we provide you with the latest cutting edge technology. Our experienced technical team coupled with decades of engineering experience, ensure that your Solar PV Plant runs without a hitch. We provide you with the best panels available in the country and in the world. Here are some of our partners:<ul style="list-style-type:circle;"><li>SOFAR</li><li>Vikram</li><li>Waree</li><li>Adani</li><li>Panasonic</li><li>Fimer</li><li>Enphase</li><li>RenewSys</li></ul>

The What How When & Why of Solar Panels

Solar Panels are at the heart of solar power plants. These panels are responsible for converting sunlight into electrical energy that you use in your home or commercial establishment. We provide you with the best solar panels available in the market. We offer Polycrystalline, Monocrystalline and PERC panels, from leading brands throughout the world. For more info visit our blog.

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Solar Panels

Inverters have one basic function, to convert Direct Current into an Alternating Current, which is the type of current that is used in homes. In this article we will delve into both String and Micro inverters.&nbsp;&nbsp;What is a string inverter?A string inverter is a standalone device attached in series to your solar panels. Multiple strings of solar panels can be connected to your inverter. A string is essentially&nbsp; a group of solar panels connected and all the strings are connected in parallel to each other.Advantages of String InvertersEasy to troubleshootA PV solar plant has a single string inverter, if anything were to ever fail in the system, it's likely the inverter, making troubleshooting relatively easy.CostInstalling a string inverter is cheaper than installing microinverters, as fewer labour hours are required and string inverters are more affordable than microinverters.Lower probability of a wiring mishapSince there are fewer connections overall in the system, there is a lower chance of the system being improperly cabled.&nbsp;What is a MicroinverterMicroinverters perform the same function as string inverters, but they are installed underneath each panel i.e.; number of microinverters is typically&nbsp; equal to the number of panels, but there are microinverters which accept multiple panels. A microinverter takes full advantage of the power generated by each panel to the grid voltage.Advantages of MicroinvertersMore ElectricityYou can yield a higher output while using microinverters. The reason for that is that there are slight differences in currents between solar panels. When panels are in a string, the current is reduced to that of the least producing panel in a string.Suitable for challenging installationsIf the panels in a plant are facing multiple angles and directions then microinverters are the way to go, or you may have shading issues from trees or nearby structures, with a string inverter you may lose some of the production, but with microinverters you can achieve maximum production.LifespanMicroinverters have&nbsp;10 year warranties which are extendable on the payment of a nominal fee.Panel level MonitoringMicroinverters can track the production of each individual panel, while a string inverter can track the production of the whole system.Ease of expansionIf you were to expand your system in the future, you can simply add microinverters and panels to your existing system.<img src="https://sungloimages.s3.eu-central-1.amazonaws.com/String_Inverter_vs_microinverter_Sunglo_21f0ae1d5c.jpg" alt="String Inverter vs microinverter Sunglo.jpg">Should you go for a String Inverter or MicroinverterThere is a list of things to keep in mind and a list of questions to ask yourself before choosing the correct inverter. String inverters are affordable and easy to maintain. Regular households prefer string inverters to microinverters. Microinverters are expensive but more efficient than string inverters. They are the most convenient inverter for small offices or large households. The factors to consider before choosing the correct inverter are:<ol style="list-style-type:decimal;"><li>Price</li><li>Longevity</li><li>Installation</li><li>Performance</li><li>System Expansion Capacity</li><li>Troubleshooting Steps</li><li>Monitoring(Remote/Smart Home)</li><li>Safety</li><li>Battery</li><li>Functions</li><li>Reliability</li><li>External Conditions Adaptation</li></ol>There isn’t any best solar inverter for all applications. It depends on the above factors, and if you choose wisely, you will have the desired inverter at your convenience.&nbsp;<figure class="table"><table style="background-color:hsl(0, 0%, 100%);border:2.5px solid hsl(0, 0%, 0%);"><tbody><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Factors</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Microinverter</td><td style="border:2.5px solid hsl(0, 0%, 0%);">String Inverter</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Price&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Expensive</td><td style="border:2.5px solid hsl(0, 0%, 0%);">More Affordable</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Warranty&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">10 Years</td><td style="border:2.5px solid hsl(0, 0%, 0%);">5 Years</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Installation&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Easy Installation</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Quite Complicated</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Performance&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Very High</td><td style="border:2.5px solid hsl(0, 0%, 0%);">High, Low under non-ideal conditions</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">System Expansion Capacity&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Excellent doesn't need any other source</td><td style="border:2.5px solid hsl(0, 0%, 0%);">May need another inverter</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Troubleshooting Tips&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Simple and convenient</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Maybe Complex</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Panel Level Monitoring&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Panel Level Monitoring is possible</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Panel Level Monitoring is not possible</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Safety&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Rapid Emergency Shutdown Available</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Rapid Emergency Shutdown not Available</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Battery&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Expensive but Efficient</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Affordable and moderately efficient</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Functions&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Excellent under any conditions</td><td style="border:2.5px solid hsl(0, 0%, 0%);">High under specific conditions</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">Reliability&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Very reliable</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Moderately Reliable</td></tr><tr><td style="border:2.5px solid hsl(0, 0%, 0%);">External Conditions Adaptations&nbsp;</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Great adaptation to external conditions</td><td style="border:2.5px solid hsl(0, 0%, 0%);">Very limited response to external conditions</td></tr></tbody></table></figure>

Should you go for a String Inverter or Microinverter

A solar inverter or photovoltaic (PV) inverter is a device which converts the direct current (DC) output of a photovoltaic solar panel into an alternating current (AC) that can be fed into a commercial electrical grid through an on grid solar system

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Solar Inverter

Microinverter is a device that converts Direct Current to usable electricity for a home ie; Alternating Current. Each micro-inverter is connected to a single solar panel for maximum control and reliability. To know the differences between a Solar inverter and microinverter visit our blog

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Microinverter

A Solar street lighting system uses the photovoltaic effect to convert the sunlight into DC electricity through solar cells. The generated electricity can either be used directly during the day or may be stored in the batteries for use during night hours.

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Solar Street Light Sunglo.webp

Solar Street Lights

A solar water heater is a device that uses the power of the sun to provide you with hot water 24*7, 365 days. This device absorbs the light of the sun using a solar collector and converts it into heat. This heat is then passed to the water tank by means of a circulating pump, only when the collector is hotter than the water in the tank.

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Solar Water Heaters

An on grid solar system is one that is tied directly to your local grid. Most residential homes prefer an on grid system. If a house with a solar PV Plant produces more energy than the house is currently using, then the excess energy is sent to your local grid. Your local DISCOM then pays you for every unit that you export. A key advantage is that this system can turn into a passive income generator for you. To know more, visit our blog.

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On grid Solar System

An Off Grid Solar System is one that is not directly connected to the grid and uses an additional battery system. This system generates surplus energy during the day and stores it in batteries, which can be used during the night. A key advantage is that you are not dependent on the grid. To know more visit our blog.

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Off Grid Solar System

A Hybrid Solar System can be seen as an amalgamation of an off-grid and on-grid solar system, it intelligently switches between using battery storage, solar power and the grid seamlessly. During an emergency or power outage, the system kicks in and powers your home or commercial establishment. This system does not offer you compensation for the extra power you send into the grid.

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Hybrid Solar System

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Solar rooftop subsidy scheme is an initiative by the Government of India to promote rooftop solar systems in the country. The government through the pradhan mantri solar rooftop subsidy yojna encourages use of renewable energy and provides subsidies to consumers. The subsidy will be released into the residential consumers’ bank accounts after installation and inspection which can be tracked online at the national portal. ( solarrooftop.gov.in )


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