Applications for Inverters

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Inverters are seldom found as stand-alone circuits. One will normally find them used in conjunction with other circuits such as rectifiers and filter circuits in power supplies that will provide a source for the dc voltage the inverter needs. One may also find the inverter as an integral part of the dc-to-dc converter circuitry used in many types of dc power supplies. The major use of inverters in industry today is for variable-frequency ac motor drives and high-frequency power supplies for welding applications.

This section explains motor drives and other applications in detail.


DC-to-DC Control (Converters and Choppers)