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PV Panels
PV panels, also known as photovoltaic panels or solar panels, are devices that convert sunlight into electricity through the photovoltaic effect. They are the key component of a solar energy system. Here are some important points about PV panels:
- Composition: PV panels are typically made up of multiple solar cells, which are made of semiconductor materials, such as silicon. These cells absorb sunlight and generate a flow of electrons, creating an electric current.
- Structure: PV panels consist of multiple solar cells interconnected to form a larger module. The cells are typically protected by a tempered glass cover and encapsulated in a weather-resistant polymer or metal frame.
- Efficiency: PV panel efficiency refers to the ability of the panel to convert sunlight into electricity. Higher efficiency panels generate more electricity from a given amount of sunlight, which can be beneficial when space is limited or when maximizing energy production is a priority.
- Output: The power output of a PV panel is measured in watts (W) and indicates the amount of electricity it can produce under standard test conditions. The wattage of a panel can vary depending on factors such as its size, efficiency, and technology.
PV panels play a crucial role in harnessing solar energy and are widely used in residential, commercial, and utility-scale solar installations. Their clean and renewable energy generation makes them a sustainable choice for reducing reliance on fossil fuels and mitigating climate change.