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What You Really Need To Know About PV Solar Power
PV solar power is completely different from other types. Of the 2 main kinds of solar power, active and passive, PV solar power is active. Let's look at it.
Solar Panel
Active solar energy depends on solar panels. You might imagine them as flat, rectangular boxes on rooftops.
You can find two main types of solar panel. From a distance, both look like rectangular boxes. Both change sunlight into energy, but in two completely different ways. The terms for the 2 solar panel varieties are actually solar thermal collector as well as photovoltaic module.
1. Solar thermal collector: This solar panel takes in solar energy from the sunlight and uses it to heat air or water.
2. Photovoltaic module: This second kind of solar panel collects solar power and converts it to usable electrical energy.
Meet the PV
To respond to the question, what's PV solar power, we have to know what the PV is. The short answer is that PV refers to a photovoltaic module. "P" is actually for photo and "V" for voltaic.
In simple words, "photo" pertains to sunshine and "voltaic" pertains to electrical energy. PV panels convert sunshine into electrical energy. Sunlight flows into the solar panel. Electric power flows out of the solar panel.
A PV solar panel is actually made up of lots of photovoltaic (light to volts) cells. These particular cells are electrically connected, and covered with glass. The glass provides electrical insulation. It is also good protection from weather conditions and different harmful forces.
When minimal power is required, such as that required to power a small appliance, a single PV solar panel is sufficient. When much more energy is required, an "array" of solar panels is built by linking panels to one another. If the power will not be provided to the power grid, the solar panel(s) is connected to a charge controller, and battery. If it is intended for on-grid use, the solar panel array would be linked to an electrical inverter.
What Is PV Solar Energy?
Standard silicon solar panels transform about fourteen to seventeen percent of sunlight into usable electricity. That isn't much. Late in 2006, though, a brand new photo voltaic cell was released. Solar panels that make use of the new cell could convert into electricity 22 percent of the daylight they gather. Theoretically, the most that the cells of a solar panel could convert is alleged to be around 26 to 27 percent of incoming sunshine.
How does it work? Let's look at a very simple explanation.
Every solar cell in a PV photo voltaic panel is a semiconductor. When sunshine hits these cells, a certain part of the sunshine is absorbed by those silicon cells. The cells take in that part of the sunlight's energy. The cells then transfer the absorbed daylight's power to the electrons within the silicon. The electrons start to move, and this creates an electric current. Metal contacts built into the top and bottom of the PV cells draw off that current and it is dispatched to the grid or battery. It's now usable electrical energy. The power grid sends it on its way, in case you have used an on-grid connection. If you're using a battery, it is saved in the battery awaiting your need.
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