High power onboard battery chargers employed in electric vehicles (EVs) and plug-in hybrid EVs (PHEVs) fed from three-phase mains typically consist of a two-stage structure as AC-DC DC-DC stages. The stage is also known the active front end (AFE). While AFE rectifies voltage, maintains factor, provides constant DC-link voltage to converter, converter regulates charging current considering algor...

Abstract: A Unified Constant-frequency Integration (UCI) controller for a three-phase three-switch three-level rectifier (VIENNA) with unity-power-factor-correction is proposed. One advantage of the VIENNA rectifier is that the switch voltage stress is one half of the total output voltage so that MOSFETs can be used. The proposed control approach is based on onecycle control and features great ...

Power factor is the ratio of true power or watts to apparent power or volt amps. The rapid placement of power electronic system in residential, commercial and industrial sides has energized the longing of an improved power factor to reduce the loss and cost. Good power factor deducts the losses and costs and ensure the longevity of electrical mechanism at a greater extent. Continuous researches...

Meenakumari.S Department of Electrical and Electronics Engineering,Er.Perumal Manimekalai College of Engineering, Hosur, India Abstract— In this project, a near-unity-power-factor front-end rectifier employing two current control methods, namely, average current control and hysteresis current control, is considered. This rectifier is interfaced with a fixed-pitch wind turbine driving a permanen...

The objective of this study is to create a nonlinear control system designed for Vienna converter-connected five-phase aerogenerator. strategy will be based on the space vector pulse width modulation (SVPWM) technique, which more suitable controlling rectifier switches. Due higher complexity permanent magnet synchronous generator (PMSG) machine than conventional three-phase generator, it poses ...