Power inverters are electronic devices used for converting low-voltage direct currents (DC) from solar- or wind-charged batteries to household alternating currents (AC) usually with 115 volts. They allow standard household appliances and other electrical equipment to be used in cars, RVs, and trucks . They can be operated using solar power that provides cleaner energy at lower cost. They are ideal for outdoor trips and vacations, allowing users to use video game consoles, televisions, and even oven toasters while on the road. With power inverters, electrical equipment and appliances need not be hooked into power grids during outdoor travels.
Types of Power Inverters
Kinds of Power Inverters include the following:
True-sine wave power inverters
True-sine wave power inverters generate power identical to or slightly better than public utility power grid systems.
They produce a smooth sine wave that can be viewed through an oscilloscope.
They are recommended for many types of power loads, especially those that use A/C motors to run.They have an efficiency rating of about 90%.
They are more expensive than modified-sine wave power inverters.
Modified-sine wave power inverters
Modified-sine wave power inverters are the most common types of power inverters.
They generate a power wave sufficient for almost all types of devices. However, the power wave is not exactly similar to the electricity that comes from the power grid.
When viewed through an oscilloscope, they produce wave forms that appear like choppy, squared-off waves.
They are recommended for loads that are not sensitive to the signal quality they produce, usually those that do not use AC motors.
They have an efficiency rating of about 95%.
Choosing Power Inverters (Buying tips)
Surge capacity: For added power, choose a power inverter with a surge capacity rating of six to 10 times more than the wattage rating of the device with the largest motor to be used with the inverter. For example, if you intend to use your power inverter with a washing machine that requires 700 watts of power, look for a power inverter with a surge capacity rating of 6000 watts or less. Efficiency: For greater efficiency, choose a power inverter that can work at any power level and in any kind of environment. Look for one that would not overheat even under the heat of the sun.
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