HOW DOES SOLAR ENERGY WORK?
Solar energy is a method of direct conversion of sunlight into electricity.
The source of solar energy starts at the solar cell. The incident sunlight, i.e. electromagnetic radiation, on the solar cell initiates a physical response whereby the solar cells generate a direct current. In general, a solar module (interchangeably called a solar panel) is made up of 60 solar cells that are electrically connected and safely protected by a tough glass panel and frame. Several modules together make up a powerful and efficient solar system. The electrical current produced at the terminals of the solar modules flows through the connected cable to the inverter, where it is converted to alternating current so that it can be used by electrical equipment.
ACQUISITION OF BASIC SOLAR ELEMENTS
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SILICON
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INGOTS
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WAFERS
Discovered as a primary ingredient in beach sand, silicon is the most common source of material for producing solar modules. Giant blocks of silicon are formed into ingots. After boiling them at over 2,000° F, the silicon ingots are sliced into wafers of less than 200 microns.
EMPLOYMENT OF CUTTING-EDGE PHOTOVOLTAIC TECHNOLOGY
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SOLAR CELLS
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SOLAR MODULE
After injection of phosphorus at a high temperature, silicon wafers are able to convert sunlight into electricity. By cleaning the phosphorus off the rear surface and around the edges of the wafer, solar cells are born. Thus, one solar module is created by assembling 60 or 72 solar cells with other components like glass, frame, backsheet, and junction box.
COMBINATION OF COMPATIBLE ELECTRIC COMPONENTS
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MODULE
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INVERTER
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MOUNTING SYSTEM
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OTHERS
A solar system is built by assembling different components such as a module, inverter, mounting system, energy storage, etc. Once a system is connected, the modules work to transform sunlight into clean energy.
