This paper provides a comparative evaluation of different topologies of Vienna rectifiers. Vienna rectifier is used for AC-DC conversion and has a reduced number of switches. The PWM-based control mechanism of the rectifier reduces the losses of the capacitor and provides better efficiency. There is a different type of topologies for Vienna rectifiers and this paper evaluates different topologies. Three-phase converters are available in a number of different topologies. The major advantage of a three-level power electronic converter is the reduction in the number of switches required, as well as the reduction in overall harmonic distortion, voltage stress, and AC side voltage ripple. The Vienna rectifier is one of the most effective devices for unidirectional power flow and boosts type power factor correction (PFC) circuits. The Vienna rectifier is modular in design, but its space and weight are restricted.
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