Solar electricity works exactly the same as the electricity you buy from the utility company. You turn on lights, plug in lamps and power appliances the same way you do right now. In fact, if you didn’t see solar modules on the roof, you’d never notice any difference. While the science of converting sunshine into electricity is complex, the idea is pretty simple. Solar electricity is generated by a group of solar modules called an array that’s installed on your roof or in your yard. When sunlight falls on the solar modules, a DC electrical current is created instantly. The DC electricity is fed into an inverter that changes it to standard AC electricity—the same kind your home already uses.
Yes, solar modules produce electricity on cloudy days, it is just less electricity. If the solar modules are completely covered in snow, they will not produce electricity. As a rule of thumb, if there is enough sunlight to cast a shadow, then solar panels can produce electricity.
A power inverter converts DC power into conventional AC power allowing you to use your favorite devices when an AC outlet is not available. Simply connect an inverter to a battery source, plug your appliance into the inverter and you’re set!
Sun shines on the solar panels generating DC electricity The DC electricity is fed into a charge controller which controls the amount of charge Deep cycle batteries are charged. 12 volt appliances can be run directly off the batteries or the current routed through an inverter which converts it to 110 60hz or 240V 50Hz AC electricity; suitable for running standard home appliances.
Yes: It has very few moving parts. With advances in electronics the main system the Inverter and Charge controller are pretty durable. It is important you purchase a quality product. You get what you pay for. The Solar panels or PV’s usually last 20 to 25 years with very minimal maintenance. The batteries last between 4 to 5 years. Some systems have had batteries last longer than 8 years. Batteries require monthly checks. Are the lights as bright as what I get from the grid or a generator? Yes: Most high quality Inverters are pure sine wave systems. They work best on your lights and sensitive electronics. You will not experience any flickering or spikes. As long as you have enough energy stored in your batteries, the inverter will provide clean strong AC power.
Yes the system is fully scalable. Some inverters allow you to chain them so you can double the capacity of the system. You can also add additional solar panels (PV) and batteries to increase the capacity and efficiency of your system.
Since the maintenance required is very low, your cost should be minimal. Most of the related system components should last for many years without problems. The batteries in the residential system may need replacement every five to 10 years. Hose the panels every couple of months if there is no rainfall. Clean any debris or obstruction.
This also depends on several things. The amount of electricity your home or business uses, measured in kilowatt-hours (kWh) The amount of electricity use you want your system to cover, your available space, your budget. Sometimes it makes more financial sense to get a system that doesn’t cover 100% of your electricity use. We’ll be able to find the sweet spot where you’ll get the best financial return.
Solar energy systems can be blended into virtually every conceivable structure for commercial buildings. You will find PV being used outdoors for security lighting as well as in structures that serve as covers for parking lots and bus shelters, generating power at the same time.
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