How Do Pv Solar Panels Work To Create Electricity
Solar panels are made out of photovoltaic cells which is why generating electricity with solar panels is also called solar pv that convert the sun s energy into electricity.
How do pv solar panels work to create electricity. To find out more about how pv systems work for your home download our expert. Photovoltaic simply means they convert sunlight into electricity many cells linked together make up a solar panel. Solar panels actually comprise many smaller units called photovoltaic cells. A standard solar panel also known as a solar module consists of a layer of silicon cells a metal frame a glass casing and various wiring to allow current to flow from the silicon cells silicon atomic 14 on the periodic table is a nonmetal with conductive properties that allow it to absorb and convert sunlight into electricity.
This electricity can then be used to power a load such as a light or a tool. Photovoltaic cells are sandwiched between layers of semi conducting materials such as silicone. Pv systems will generate electricity all year round although for a number of reasons the output will fluctuate seasonally with the most electricity being produced in the bright summer months. How do solar panels work to generate electricity.
How do solar panels work. A number of cells are wired together to form a solar panel or module that can generate anything between 80 360 watts. Solar pv cells generate electricity by absorbing sunlight and using that light energy to create an electrical current. Solar panels contain cells of semiconductive material usually silicon usually encased in a metallic frame and tempered glass.
Modules are designed to supply electricity at a certain voltage such as a common 12 volts system. A module is a group of cells connected electrically and packaged into a frame more commonly known as a solar panel which can then be grouped into larger solar. The solar cells that you see on calculators and satellites are also called photovoltaic pv cells which as the name implies photo meaning light and voltaic meaning electricity convert sunlight directly into electricity. A number of solar cells electrically connected to each other and mounted in a support structure or frame is called a photovoltaic module.
There are many photovoltaic cells within a single solar panel and the current created by all of the cells together adds up to enough electricity to help power your home. This flow travels in a circuit of wires that connect groups of solar panels called arrays. When subject to sunlight photovoltaic cells create a flow of electric charge inside the solar panel due to the photoelectric effect. Solar pv operates on light rather than heat so even if the day seems cool if there is light the system will be generating electricity.
Typically 60 cells or 72 cells are combined into a single module. A solar inverter takes the dc electricity from the solar array and uses that to create ac electricity.