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How a PV Solar Panel System Works
This is Greg Peterson, creator of the video series, 12 things you must know before building a solar panel.
One question people ask me is how does this whole system work? Well, let’s take a look at it. The first part of the process involves the actual solar panel. A solar panel is made of solar cells which when struck by light create a small charge of DC electricity. These cells are wired together and the DC power is brought out of the panel and into a charge controller. The charge controller is the brains of the operation here. It's hooked up to both the solar panel and the battery bank. When the batteries are low, it channels the electricity from the panels into the batteries. When the batteries are charged, it does not allow any electricity into the batteries thus preventing overcharging. The battery is then usually hooked up to an inverter. The inverter turns DC electricity into AC electricity. AC is where all the outlets in your home are putting out and when anything you plug into the wall it requires.
So, the inverter allows you to make usable electricity. In between all of these devices, you should have safety mechanisms such as fuses and breakers. Also, if you don’t want to store your electricity for later use, feel free to eliminate the battery bank and the charge controller from the system. So, there are some extra costs involved with this project other than building the solar panel. But if you shop around online, you can usually find good deals on these parts and will be able to assemble your entire system for a very reasonable price. Thanks for watching. See you in the next video.
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