Power inverters. What are they. Do I need one. A power inverter changes electrical current from Direct current to Alternating current. Most wind turbines generate power in DC. (direct current) This is the type power the alternator on your car generates. If you run 12 or 24 volts items such as lights or pumps, you do not need an inverter. You will need batteries to store power for later use. If you intend on running household items such as TV's, computers, lights, etc, you will need a power inverter. These things run on AC. (alternating current) Whether you will be Grid-tie or use batteries for storage you will need an inverter to run 120/240v appliances.
Power inverters start around 30 dollars and go up according to size and design. Selecting a power inverter involves many factors such as wattage, type of power needed, etc. A pure sine inverter delivers CLEAN power, free from static and power fluctuations that could be harmful to some appliances such as computers. Choosing your power inverter is an important step in your installation. Take your time making your decision. Keep in mind bigger is better in choosing an inverter. Buying a small inverter limits the amount of power you can generate later. Resources and components can be found in the links list on the right.
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