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A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC).The input voltage, output voltage and frequency, and overall power handling depend on the design of the specific device or circuitry. The inverter does not produce any power; the power is provided by the DC source.
Some topologies can be used to make different types of AC output wave forms (square wave, modified square wave, or sine wave). The difference is in the details—the quantity, type, and arrangement of capacitors, transformers, and inductors; and the sophistication of the control system utilized.
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