Direct torque control and direct power control with multilevel converters for variable speed wind turbines

2016 ◽  
Author(s):  
Ahmed Abd Elsattar ◽  
Ahmed M. Atallah ◽  
El Sayed F. El Tantawy
Keyword(s):  
Power Control ◽  
Wind Turbines ◽  
Direct Torque Control ◽  
Torque Control ◽  
Variable Speed ◽  
Direct Power ◽  
Direct Power Control ◽  
Multilevel Converters

scholarly journals Direct Power Control of Matrix Converter-Fed DFIG with Fixed Switching Frequency

2019 ◽  
Vol 11 (9) ◽  
pp. 2604 ◽  
Author(s):  
Arzhang Yousefi-Talouki ◽  
Shaghayegh Zalzar ◽  
Edris Pouresmaeil
Keyword(s):  
Power Control ◽  
Direct Torque Control ◽  
Matrix Converter ◽  
Torque Control ◽  
Switching Frequency ◽  
Direct Power ◽  
Direct Power Control ◽  
Reactive Component ◽  
Extensive Discussion ◽  
Induction Generators

In this paper, a direct power control (DPC) technique is proposed for matrix converter-fed grid-connected doubly fed induction generators (DFIGs). In contrast to what has been investigated in the past for direct torque control (DTC) or DPC of matrix converter-fed DFIGs, the active and reactive powers are regulated in a fixed switching frequency using indirect space vector modulation (ISVM) technique. Hence, designing input filters for matrix converters (MCs) becomes convenient. In addition, the reactive component of input side of MC is controlled which leads to reduction of distortion in grid current waveform. Also, an extensive discussion is addressed for nonlinear voltage errors of MC that may cause inaccurate power control. Simulation results done in MATLAB/Simulink show the effectiveness of the proposed method.

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