Solar System Components – Solar Panels, Inverters, Batteries, Mounting Systems And Cabling

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Solar Panels

Types Of Solar Panels
Monocrystalline Solar Panels


Monocrystalline solar panels or single-crystalline cells are manufactured from pure silicon. Monocrystalline solar panels deliver the highest efficiency using standard test conditions when compared to other types of solar cells. Monocrystalline solar panels efficiency stands at 22-27%.


Polycrystalline Solar Panels


Polycrystalline solar panels are slightly less efficient than solar panels made of monocrytalline solar cells. Polycrystalline solar panel efficiency is between 15-22%. This is due mostly to the production process.


Thin Film Solar


Thin films solar panels cover a substrate such as glass or metal with one or more thin layers of photovoltaic material. They are flexible and low in weight. Production is less complex , but their efficiency is 5% less than mono crystalline solar panels. Thin film solar panels deliver between 15-22% efficiency.

On is a Solar System Components provider that only uses components, that are tried and tested, certified (CE, TUV) for the EU and Asia.

Thus ensuring your solar system provides you with a safe, reliable energy source. We do not provide, cheap quality, inferior components as they comprise your safety and solar systems productivity. In short, they cost you more in the longterm and compromise your safety.
An Explanation

Photovoltaic panels have been around for over fifty years. They harvest sunlight and actively convert it into renewable energy. Solar panels use, photovoltaic cells / solar cells aligned in a grid format too create a solar panel.


There are three main types of solar cell, mono crystalline silicon, polycrystalline silicon and thin film.


Solar panels are able to process 15% to 22% of solar irradiance (sunshine), depending on site conditions, such as orientation, weather conditions and similar factors. The amount a solar panel system is able to convert into actual electricity is called performance, and that determines how efficient a solar panel is. While photovoltaic panel efficiency is generally around 15-20%, solar cell efficiency can reach 42% in some cases.


Solar Inverters


Inverters are used to convert direct current (DC) into alternating current (AC). Home appliances are designed to use AC electricity supply. However, electricity produced by solar panels and batteries produce DC electricity. Therefore we require an inverter to convert DC to AC electricity.


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How Do Solar Panels Work

Photovoltaic (PV) panels, also known as solar panels, work by converting sunlight into electricity using the photovoltaic effect. The photovoltaic effect refers to the phenomenon where certain materials, such as silicon, produce a flow of electrons (electricity) when exposed to light. Here's how it works: The photovoltaic panel is made up of multiple photovoltaic cells, typically made of silicon, which are connected together to form the panel. When sunlight falls on the surface of a photovoltaic cell, the photons (particles of light) knock electrons into a higher state of energy, freeing them from their atoms. The freed electrons form an electric current that can be captured by metal contacts on the surface of the cell. The current flows from the cell through wires to form a direct current (DC) voltage, which can then be converted into an alternating current (AC) voltage using an inverter, to match the voltage needed to power electrical devices and appliances. The photovoltaic cells are connected together in a series to form the solar panel, and multiple panels can be connected in parallel to form a solar array. The solar array produces the required DC voltage, which is then converted into AC voltage by the inverter. In summary, photovoltaic panels work by converting sunlight into electricity through the photovoltaic effect, which allows the panels to generate a flow of electrons when exposed to light. This electrical energy can then be used to power homes and businesses.

Solar Inverters, Why Do we Need Them

A solar inverter is an essential component in a solar power system, as it converts the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity that is compatible with the electrical grid and can be used to power homes and businesses. There are two main types of solar inverters: - String Inverters: These inverters are connected to a series of solar panels, converting the combined DC output of all the panels into AC electricity. String inverters are the simplest and most commonly used type of solar inverter, and are suitable for most small-to-medium-sized solar power systems. - Microinverters: These inverters are connected to individual solar panels, converting the DC output of each panel into AC electricity. Microinverters are more expensive than string inverters, but offer several advantages, such as increased system efficiency, improved performance, and easier maintenance. Solar inverters play a crucial role in the overall performance of a solar power system, as they regulate the voltage and frequency of the AC electricity produced, ensuring that it is compatible with the electrical grid and the devices that it powers. They also provide important safety features, such as shutting down the system in the event of a power outage or other electrical problem. In summary, solar inverters are essential components of solar power systems, converting the DC electricity generated by the solar panels into AC electricity that is compatible with the electrical grid and can be used to power homes and businesses.

Hybrid Invereters

A hybrid inverter is a type of inverter that combines the features of both grid-tied and off-grid inverters. It's called a "hybrid" inverter because it combines the functionality of two different types of inverters into one unit. Like a grid-tied inverter, a hybrid inverter can connect to the utility grid and feed excess power back into it. This allows for net metering, where you can receive credits for excess energy you generate and feed back into the grid. However, unlike a grid-tied inverter, a hybrid inverter also has the ability to store energy in batteries, similar to an off-grid inverter. This means that you can use stored energy from your batteries during a power outage, or when your solar panels are not generating enough power to meet your needs. In summary, a hybrid inverter provides the best of both worlds: it allows you to feed excess power back into the grid and earn credits for it, and also gives you the peace of mind of having stored energy in case of a power outage.

Solar panel efficiency

Solar panel efficiency refers to the ability of a solar panel to convert sunlight into usable electricity. The efficiency of a solar panel is expressed as a percentage, which represents the amount of incoming solar energy that is converted into electricity. A solar panel's efficiency is determined by a number of factors, including the type of solar cells used, the quality of the manufacturing process, and the size and shape of the panel. For example, a solar panel made with monocrystalline cells typically has a higher efficiency than a panel made with polycrystalline cells. Efficiency can also be influenced by the temperature of the solar panel. As temperatures increase, the efficiency of a solar panel decreases. This is why it is important to ensure that solar panels are installed in a location that receives adequate shade and ventilation to keep temperatures low. It's worth noting that while high efficiency solar panels may cost more upfront, they often require fewer panels to generate the same amount of electricity as lower efficiency panels, which can result in long-term savings. In general, the average solar panel efficiency is between 15% and 20%. However, some advanced panels can achieve efficiencies of over 20%.



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