Title :
Design of a switching table for direct power control of a DFIG using sliding mode theory
Author :
Hemdani, A. ; Ghorbal, M. Jebali-Ben ; Naouar, M.W. ; Slama-Belkhodja, I.
Author_Institution :
ENIT, Univ. of Tunis El Manar, Tunis le Belvédère, Tunisia
Abstract :
This paper presents a synthesis of a switching table by means of sliding mode theory for a direct power control (DPC) of electrical systems. It is applied to the control of a variable speed wind system based on a doubly fed induction generator (DFIG). Control of active and reactive stator power exchanged with the grid is achieved by delivering to rotor side converter (RsC) references voltage rotor. These voltages are selected from the switching table. The developed control algorithm is implemented on an FPGA target device and tested on a 4 kW DFIG laboratory set-up. Simulation and experimental results show the effectiveness of the synthesized switching table.
Keywords :
asynchronous generators; field programmable gate arrays; power control; power generation control; rotors; variable structure systems; velocity control; wind turbines; DFIG; FPGA target device; active stator power; direct power control; doubly fed induction generator; electrical systems; reactive stator power; rotor side converter references voltage rotor; sliding mode theory; switching table design; variable speed wind control system; Converters; Reactive power; Rotors; Stators; Switches; Voltage control; DFIG; DPC; PWM Converter; Sliding mode; wind system;
Conference_Titel :
Systems, Signals and Devices (SSD), 2011 8th International Multi-Conference on
Conference_Location :
Sousse
Print_ISBN :
978-1-4577-0413-0
DOI :
10.1109/SSD.2011.5767487
