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Solar Panels

In many countries, solar panels are the most popular renewable energy source. These panels are used to produce electricity that can be used both in homes and commercial establishments. Solar panels can be used on the rooftop or in solar farms and water bodies.

Solar power plants are dedicated facilities usually located on green energy sites. Solar energy is harvested and converted into electricity by solar panel arrays that directly convert sunlight into direct current (DC) voltage with intense radiation being conducted to various electrical terminals which are fed through inverter systems, secondary circuits of DC voltages, DC transfer switchboards, and normal systems connection points such as switches and sockets while generating high-voltage alternating currents (AC).

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What is Solar Energy?

Solar energy is the radiant light and heat from the sun that is harnessed to provide power for buildings, industry, transportation, heating water, and more. Once solar energy is converted into other forms of power, it becomes the renewable source of electricity that provides green energy. When the solar panel is hand-held by workers on construction and installation jobs.

It was first developed in ancient times as early as 3000 BC for use with water jars to help keep them from losing all their heat overnight, but some sources claim it may have been invented thousands of years earlier than this. First used around 2,600 years ago. Granted by alchemists in the Middle Ages, solar cell technology flourished during the 1800s with input from scientists such as Lord Kelvin. Due to high temperatures and voltage found within a solar panel thus making it difficult for large panels of silicon or other expensive materials to produce power at efficiency rates that line up favorably against prevailing energy sources.

During the 1880s, electrical engineers began experimenting with small solar cells and systems on boats, aero planes, and racing cars. By 1899, William Goodbine constructed the first grid-interactive system capable of powering an incandescent lamp resulting in his patent.

In 1962 the solar cell power industry was booming with an influx of panel manufacturers and sales. Shortly after this wave of panel production, solar energy began to take a back seat in the world market due to its high price per watt. The demand for new panels peaked only two years later at 20 megawatts per year (mpw). It ironically led to imitations leading many countries to consider prohibition policies on certain types of solar cells that were once considered eco-friendly green technologies but were not plastic-based until recent innovations.

A 1980 study by President Carter has suggested that solar power will become available at competitive prices with existing energy sources. The United States solar panel industry is currently worth around US$4 billion annually and produces over 500,000 terawatt-hours per year.

First manufactured in the late 1960s, the first solar cell was a p-n junction inverter cell invented by Dr Tom Pendry of Imperial College London designed lithium batteries during an open competition sponsored by the Academy of Science's Institute of Renewable Energy. This system became only the fifth solar furnace to be built as part of NASA's Clementine.

How does solar energy work?

Solar energy is the radiant light and heat from the sun that powers the Earth.

The process of capturing solar energy is called solar photovoltaics (PV). This method uses solar cells to convert sunlight into direct current electricity.

When sunlight strikes a PV cell, electrons are dislodged from their orbits in the atoms and molecules of silicon, selenium, or other semiconductor materials. These freed electrons then flow through an external circuit connected to a power grid where they can be used as electricity by electronic devices such as televisions, radios, and computers.

This solar energy is stored in an electrical charge and can produce electricity during the peak time of day or night. Multiple solar power plants linked together, operating at different parts of the day, could provide grid-scale electricity throughout most countries.

The generated energy continuously flows through the inverter system until it reaches normal connection points such as switches and sockets. They are then converted into DC voltages that set up current channels on inverter boards that convert non-VDC into VDC voltage via the rectification process.

Finally, electrons flow through solar panels, where their energy is converted into electricity that powers different solar-powered devices, appliances, and industries. The solar cell helps convert the sun's power through a "photovoltaic effect," which involves charge carriers moving from high energy to low energy levels according to Einstein's equation for E=mc².

Solar cell efficiency calculations based on first approximation of silicon cells:
Assuming a 106% material efficiency factor using maximum current density 1 A/cm² (measured in microwatts per square mm).

These yields rise to the following: cell voltage change per radian: 0.0012 volts, where v solar cell voltage = 2 x 3.33. The maximum daily irradiation power in watts per square cm is 11,318 times constant current inverter module efficiency.

What is a Solar Panel?

Solar panels are devices that are used to convert sunlight into electricity. This is done by using photovoltaic cells, which generate electricity from light.

Solar panels have become much more efficient and affordable in recent years, making them a viable alternative to fossil fuels for powering our homes and businesses. However, solar panel efficiency has increased dramatically, and it's easy to imagine that this technology will only improve further. We can expect solar panels in all of our homes very soon!

How will the global solar panel market shape up in 2022?

According to a report by IHS Markit, the global solar panel market is expected to be worth $150 billion in 2022.

This will be due to the increased demand for renewable energy and solar panels as a more efficient alternative to traditional energy sources.

The forecast also predicts that the Asia Pacific will become the leading region with a market share of over 35% by 2022. The rest of the world's share will be divided between North America and Europe. The solar panel market will be led by the increasing demand for renewable energy worldwide. Global solar power generation per capita has grown dramatically since 2008. According to a report conducted by SunPower Corporation, it is expected to continue growing at an average of 5-8 % per year in the next ten years.

Accordingly, solar panel sales stood as one of the standout success stories in 2016, with global installed capacity reaching 238 gigawatts (GW) or around 6% of grid electricity demand. Solar cell module manufacturing is a complex process in the solar panel industry. First of all, they are made by stacking tiny silicon wafers on top of each other and electrodes and glass to make up solar cells. Second, these panels need to be connected in series or parallel circuits as per their power production needs at different voltages and input frequencies.

The grid voltage range for panel efficiency can vary around 100V-1200V according to its application (except reverse voltage). Voltage conversion technology has been developed such that inverters adopt this difference between PV system electrical power reference voltage to KWp per PV cell voltage and panel power generation. Considering solar panel efficiency, engineers can calculate the energy consumption of cells that produce electricity at grid voltage based on solar cell modules' performance model and inverter response curve.

Solar Panel manufacturers can maximize the number of solar panels being produced by designing power ratings for silicon wafer (6 VDC-100 VDC), which are useful in different systems and also stating how many volts a module could operate if used alone or connected as a series string with other outputs from inverter system, depending upon its system application demand profile.

How do solar panels work?

The process of solar panels converting sunlight into usable energy is called photovoltaic (PV) technology.

Photovoltaic cells, also known as solar cells, use the principle of electroplating. This means electrons move from one atom to another by jumping from surface atoms along grain boundaries that are not really at rest. Energy is exchanged across cell junctions when visible light photons strike polycrystalline silicon (PCS ) wafers. A voltage potential develops across the solar panel, and electrons flow.

The voltage generated at a solar cell is very high compared to the electrical grid voltages common today (such as 115 V or 230V ). Importantly this also means that it can power many electrical products directly, which would otherwise be impossible. PCS cells are currently made using silicon grown on wafers of glass resembling cooking utensils like cookie sheets.

The fundamental components of a PV system are the PV module, the mounting frame, the inverter, and wiring. The first step in creating a PV system is to install the modules on a rooftop or other flat surface. This requires cutting holes in your roof or walls for mounting and fastening some kind of framework onto which you can mount the modules.

Next, you connect all your equipment to an inverter that converts DC power from your battery bank into AC power so any type of appliance can use it. Finally, the solar panel system can be easily controlled and monitored by a smartphone app or solar panel data logger so you can keep track of energy production.

Read more: https://www.waaree.com/blog/how-solar-panels-work

Types of Solar Panels

Types of solar panels

  1. Polycrystalline Solar panels:

  2. Solar panels are composed of crystalline cells. In a typical house rooftop solar panel, up to 40 solar cells can be found. Polycrystalline crystals were the main types of solar panels to be constructed. These cells are differentiated within a solar panel by the square shape formed when silicon is heated and put into a mold.

    Industry professionals manufacture polycrystalline solar panels at a large rate, with very little silicon waste in the process. This helps to keep the cost of installing polycrystalline solar panels or even leasing solar panels as low as possible. Polycrystalline cells are less heat resistant and efficient than monocrystalline membranes.

  3. Monocrystalline Solar Panels:

  4. The cost of solar energy installation, roof space, sunlight access, and your desired energy efficiency will all leave an impact on the solar panels you choose for your home. These cells also carry a cylindrical shape, which aids in their efficiency. To manufacture them, solar manufacturers carve silicon ingots into wafers. In the process, they smoothen and surround the cell borders. They reproduce more electricity due to their better shape and composition, which suggests you'll need less of them.

    Monocrystalline cells are more expensive to manufacture than polycrystalline solar panels compared to other types of solar panels. As a result, they are more costly to purchase. However, they tend to function longer and frequently arrive with lengthy warranties.

  5. Thin Film Solar Panels:

  6. The method of making the thin-film panel is the source of its name. Layers of silicon, cadmium telluride, and copper indium gallium selenide rolled out as a film on a surface make up these panels. Thin-film solar panels are less efficient than crystalline solar panels when connected to other types of solar panels, and they eat up a lot of space on the roof. As they dissolve more quickly, manufacturers may provide shorter warranties to homeowners. On the other hand, thin-film solar cells are less expensive and flexible than crystalline solar cells. They're made to clean shingles, for example.

    People searching for clearer sources of energy but don't want the look of solar panels on a roof can always opt for the thick film. You may even be eligible for municipal solar rebates if you install these types of solar panels.

    Looking for more information: Types of solar panels - Find the Right Solar Panel That Fits Your Home

Monocrystalline VS Polycrystalline Solar Panels

 

Monocrystalline Solar Panels Polycrystalline Solar Panels
Aesthetics Solar cells are a black hue Solar cells have a blue-ish hue
Cost More expensive Less expensive
Efficiency More efficient Less efficient
Lifespan 25+ years 25+ years
Size Small Relatively Larger
Roof space Small Space Spacious Area
Temperature Performance Effective Effective
Manufacturing Process Complex and Time consuming Relatively Simple

 

Benefits of Solar Panels

Some benefits of solar panels are:

  • It is a clean and sustainable source of energy.

  • Solar panels are relatively affordable and easy to install especially for residential use.

  • They have no fuel or long-term maintenance costs as they do not require replacement parts like batteries.

  • Solar panels can help you reduce your carbon footprint.

  • They can help you save money on your electric bill.

  • They can help reduce pollution.

  • They are very efficient.

  • Easy to access.

  • Safer than other natural fuel powers.

Solar Panel Price in India (2022)

The price is one of the most obvious factors to consider before taking on a solar panel installation for your space. Several factors control the cost of a solar panel, including its size (in Watts), physical size, brand, material quality, durability (or warranties), and any accreditation the solar panel may possess.

Solar panels are one of the most expensive renewable energy sources in India. The price of solar panels has gone up by about 700% since 2008.

The price of solar panels increases in India as the demand for them grows, and many factors affect the prices. The following factors may affect the prices of solar panels:

  1. The cost of raw materials used to make them

  2. The cost of manufacturing these products

How to install solar panels at home?

Step by Step Guide for Solar Panel Installation

There are two types of solar panels:

  1. Fixed tilt or fixed angle solar panels

  2. Adjustable tilt or adjustable angle solar panels

Fixed tilt or fixed angle solar panels are the most common type of panel because they are cheaper and easier to install, but they have a limited field of view (FOV).

Adjustable tilt or adjustable angle solar panels allow you to expand your FOV by adjusting the direction of the panel, but they cost more and require more time and labor to install.

Maintenance of Solar Panels

Solar panels are electronic devices that convert sunlight into electricity. They also help reduce the cost of running your home and can also heat water for various purposes.

However, there are some things that you need to know about solar panels before they can function properly.

Visit this page to get more details - https://www.waaree.com/blog/solar-panel-maintenance

Use of Solar Panels

Solar panels are an environment-friendly alternative to traditional power sources. They are cost-effective, efficient, and easy to install.

There are many uses of solar panels:

  • It reduces dependence on fossil fuels.

  • It increases the sustainability of energy production by providing clean, renewable energy without releasing any harmful emissions into the atmosphere.

  • Solar panels generate power during daylight hours when there is ample sunlight to operate effectively.

  • You can use it as a backup power source if your conventional electricity goes out or you have low demand from other consumers.

Top Solar Panel Company in India


Waaree Energies Ltd.

Waaree Energies Ltd., founded in 1989, is a Mumbai-based company having a significant presence in over 360+ locations in India and 68 foreign countries. We are one of India's leading Solar Panel Manufacturer, thanks to our magnificent 2 GW module manufacturing unit in Surat.

Having a NABL Lab Facility, India's first company to have an in-house facility. They offer EPC services, project development, solar water pumps, solar rooftop solutions, independent powerhouses, and much more. With over 32 years of experience and its presence being felt pan-India and in 68 countries globally, Waaree Energies Ltd. is one of the top solar panel manufacturers to rely on.

Click here to read more - https://www.waaree.com/blog/top-10-solar-companies-in-India-in-2021

Which solar panel is best in India, 2022?

First, you need to understand the different types of solar panels that are available in India.

There are three types of solar panels: monocrystalline, polycrystalline and thin film.

Monocrystalline solar panels have a single crystal structure and are more efficient than other types of panels. They typically have higher production costs but lower installation costs.

Polycrystalline solar panels have many crystals with each layer having its own crystal structure, which means that it has a higher efficiency than monocrystalline panels due to its use of several crystals rather than just one. It also has less shading from trees or other objects on the ground, making it better for rooftop installations. Thin-film modules are lightweight and flexible while also being highly efficient at converting sunlight into electricity because they rely on amorphous silicon as their semiconductor material instead of crystalline silicon like other types of solar cells do.

See also - Best Solar Panels in India

How to Buy the Best Solar Panels?

Purchasing should be done keeping some points in mind:

  • Efficiency:
  • The amount of sunlight a solar panel turns into electricity per unit of area is used to calculate its efficiency. When a solar panel is more efficient, the overall efficiency of the rooftop solar system is also expanded. The efficiency of panels plays a significant role in the overall solar system's effectiveness, and as a result, prudence must be taken into account while selecting the same. A more efficient solar panel will result in a lower number of panels to be installed and, as a result, less capital outflow. For an effective solar power panel, the efficiency should be at least 12%.

    Solar panels produce electricity only when there is sunlight. Factors like an energy source, installation location, and electric load of each building. One design solar panel system will determine how much power a solar panel can produce per day. For better performance of solar panels, a rating index of EACS (Equivalent Annual Capacity Value) or Average Rating Index (ARI), which takes loading capacity into account to calculate the total PV output, should be chosen with care as both systems provide different aspects to site selection and solar panel energy balance.

    The power output of solar panels is also rated as either watt-hours (W/h) or kilowatt-hours per square metre per day (kWh/m2pd). While the power capacity rating is more specialized than efficiency, it lets the user understand how much electricity a panel will produce in one year.

  • Warranty:
  • Because many companies might not be around to honor their promises later, choosing a solar panel based on the warranty is crucial. The solar companies are faced with a constant challenge in the form of declining prices for products, and many of the smaller players are confronting a difficult situation. Because solar panels are a long-term investment and customers like to work with bankable partners, a warranty plays an important role in deciding who the solar panel salesman will be.

  • Temperature Coefficient:
  • While sunlight is critical for the proper functioning of solar panels, strong temperatures can cause them to be damaged. The effect of strong temperatures on the functioning of solar panels is measured as the temperature coefficient. The smaller the temperature coefficient, the better.

    Standard temperature - 25 degrees Celsius solar panel efficiency is 15%.

    7000 K = 0.21V, the solar panel power output coefficient is rated as 97% under the standard temperature of 25 degrees C but drops to 80% at 7000K because sunlight does not remain constant in temperature about 5-12°C for a day as per sunrise and sunset times.

    - Timing

    Solar energy conversion requires that the sun moves from one angle to another or sometimes flares up again, so solar panels work best when no shadows are cast onto them during daytime hours. Working on a period of 8 am - 4 pm.

  • Durability:
  • The strength of a panel is guessed by its ability to sustain heavy rains, hailstorms, strong winds, excessive pressure, and so on. Under varying environmental conditions and external pressure, solar panels are exposed to various stress tests in different countries. To compare and choose from, rating agencies grant these panels ratings.

Subsidy Scheme on Solar Panels

The government of India has launched a subsidy scheme for solar power projects to encourage the use of clean energy.

This scheme is expected to bring about 20 GW by 2022, around 10% of India's total installed capacity. The subsidies are given to small and medium-sized businesses that have applied for the project. This will help them save up on capital costs and reduce their operational expenditure.

As per the scheme, businesses can get an incentive of Rs 0.25/kWh generated from solar energy through this programmes. They will be eligible for it even if they haven't signed up with any utility company yet.

To know about Solar Subsidy Scheme in brief - Solar Panel Subsidy in India

How to Sell Solar Panels?

To sell solar panels, you need to understand the market and the benefits of using solar panels.

If you are looking for a way to reduce your electricity bills, then going with solar panels is a great option. Solar power can also be a good investment because it has been shown that over time, the value of solar energy will increase.

There are some other benefits as well like:

  • It reduces greenhouse gas emissions by up to 50%.

  • It helps save natural resources and preserve biodiversity.

  • It's not dependent on government subsidies or tax credits like wind and hydroelectricity generation.

Read further: How To Sell Solar Panels Online Like Pro And Earn Money?

Solar Panels – Frequently Asked Questions:

  • There are a lot of factors that will determine how many solar panels you need for your home to produce enough energy. For example, the number of people living in your home, what type of roofing material do you have, etc.
  • It also depends on the size of your home and the amount of sunlight it receives. The average American home requires anywhere from 3-10kWh per hour while a typical European house needs between 10-20kWh per hour.
  • Solar panels work during the day and night as long as there is enough sunlight. However, when it rains, the number of lights decreases and solar panels cannot generate energy at this time.
  • The average lifespan of a solar panel is about 25 years. This can vary depending on the quality of the product and where it is being used.
  • Solar panels are generally durable, but there are some exceptions to this rule. Solar panels can be damaged by weather, hail, tree branches, insect infestation, and vandalism.
  • On a sunny day, a 1 kW solar power plant generates approximately 4 units/day.
  • Depending on your location, one kilowatt-hour of electricity from a solar panel will generate between 1000 and 1200 kWh per year.
  • Depending on the size of the installation, a 1KW capacity PV plant can occupy between 10 square feet of space in the installation.
  • Solar panels are the most cost-effective energy source, and they also provide a more environmentally friendly alternative to traditional energy sources.
  • If you have already installed solar panels, there are many benefits to having them in your home.
  • You save money on electricity bills because the panel produces free electricity.
  • You reduce carbon emissions by using clean, renewable energy instead of polluting fossil fuels like coal or oil.
  • Depending on the amount of sunlight your area receives, your investment is guaranteed for 25 years with no maintenance costs other than replacing the cells once every ten years or so.
  • Solar panels can be installed without an inverter and battery for daytime use. However, it is not recommended because the solar panel will not produce as much power.
  • An inverter is a device that is controlled by electronics to turn direct current from a battery into alternating current. It's used to transform direct current from solar panels into exchanging current for other devices such as TVs, lights, computers, and so on.
  • You must connect your solar panel with an inverter and battery in order to make the most out of your system, so that you can reproduce enough power during the night or if there is no sun.

A solar panel warranty is a service contract that guarantees the manufacturer of the solar panels will repair or replace defective components, which might have been damaged during installation.

Some benefits of a solar panel warranty are:

  • If you need to replace a defective component, it ensures that you will receive your money back.
  • It protects your investment from unexpected failure.
  • It helps prevent fire and water damage.
  • You can get a full range of Solar products with Waaree at www.waaree.com.
  • Another alternative would be to look for a Waaree Franchisee near to your residence. Find the nearest Waaree franchisee here: https://www.waaree.com/partners.
  • If you have a customized requirement then you can also call us on 1800-2121-321.
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