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AN EFFICIENT UPF RECTIFIER FOR A STAND-ALONE 
WIND ENERGY CONVERSION SYSTEM 
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 
permanent-magnet synchronous generator. A traditional diode-bridge rectifier without 
any current control is used to compare the performance with the proposed converter. 
Two constant wind speed conditions and a varying wind speed profile are used to study 
the performance of this converter for a rated stand-alone load. The parameters under 
study are the input power factor and total harmonic distortion of the input currents to 
the converter.The wind turbine generator–power electronic converter is modeled in 
PSIM, and the simulation results verify the efficacy of the system in delivering 
satisfactory performance for the conditions discussed.
BLOCK DIAGRAM: 
Ac source DBR 
Driver section 
Pic controller 
Load 
Bidirectional switch
TOOLS AND SOFTWARE USED: 
 MP LAB 
 ORCAD/PSPICE 
 MATLAB/SIMULINK 
OUTPUT: 
 HARDWARE 
 SIMULATION

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JPEEE1461 An Efficient UPF Rectifier for a Stand-Alone Wind Energy Conversion System

  • 1. AN EFFICIENT UPF RECTIFIER FOR A STAND-ALONE WIND ENERGY CONVERSION SYSTEM 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 permanent-magnet synchronous generator. A traditional diode-bridge rectifier without any current control is used to compare the performance with the proposed converter. Two constant wind speed conditions and a varying wind speed profile are used to study the performance of this converter for a rated stand-alone load. The parameters under study are the input power factor and total harmonic distortion of the input currents to the converter.The wind turbine generator–power electronic converter is modeled in PSIM, and the simulation results verify the efficacy of the system in delivering satisfactory performance for the conditions discussed.
  • 2. BLOCK DIAGRAM: Ac source DBR Driver section Pic controller Load Bidirectional switch
  • 3. TOOLS AND SOFTWARE USED:  MP LAB  ORCAD/PSPICE  MATLAB/SIMULINK OUTPUT:  HARDWARE  SIMULATION