Design and Implementation of Four-Leg Voltage-Source-Converter-Based VFC for Autonomous Wind Energy Conversion System

2012 ◽  
Vol 59 (12) ◽  
pp. 4694-4703 ◽  
Author(s):  
Bhim Singh ◽  
Shailendra Sharma
Keyword(s):  
Wind Energy ◽  
Energy Conversion ◽  
Voltage Source ◽  
Voltage Source Converter ◽  
Wind Energy Conversion System ◽  
Wind Energy Conversion ◽  
Design And Implementation ◽  
Conversion System ◽  
Energy Conversion System

Study on the Multiple Voltage Source Inverter for Grid-Connected Large-Scale Wind Energy Conversion System

2011 ◽  
Vol 216 ◽  
pp. 70-74
Author(s):  
Jing Feng Mao ◽  
Guo Qing Wu ◽  
Ai Hua Wu ◽  
Yang Cao ◽  
Kun Yang
Keyword(s):  
Wind Energy ◽  
Energy Conversion ◽  
Large Scale ◽  
Test System ◽  
Voltage Source ◽  
Voltage Source Inverter ◽  
Wind Energy Conversion System ◽  
Wind Energy Conversion ◽  
Conversion System ◽  
Energy Conversion System

This paper proposes a novel grid-connected multiple voltage source inverter (VSI) for large-scale wind energy conversion system (WECS) applications. Firstly, the typical configuration, operation principle and mathematical modeling of the direct-drive grid-connected WECS are analyzed in brief. Then, a suitable topology of the grid-connected multiple VSI composed of two six-pulse inverters, two separate zig-zag transformers and a dc-link capacitor is presented. In order to reduce numbers of commutations and to increase dc-link voltage utilization ratio of the proposed grid-connected multiple VSI, a quasi twelve-pulse phase-shift PAM switching strategy is demonstrated. Finally, a simulation test system is set up by using MATLAB/SIMULINK, and the results of simulation validate the effectiveness of the proposed grid-connected multiple VSI.

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