Control of Grid Interfaced Doubly Fed Induction Generator (DFIG) Using Adaptive SMC Improved with LVRT Enhancement
2016 International Conference on Frontiers of Information Technology (FIT) (2016)
Dec. 19, 2016 to Dec. 21, 2016
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/FIT.2016.068
Doubly-Fed Induction Generator (DFIG) has been used extensively in Variable Speed Constant Frequency (VSCF) technique of wind energy generation systems. For DC-Link voltage regulation we used LM-SMC controller on grid side converter. For LVRT Enhancement hybrid of STFCL and DC-Chopper strategy is used. STFCL has the ability to protect converter from over-current and over-voltage as well as gearbox from over torque. DC-Chopper is an electronic circuitry connected in parallel with DC link capacitor to prevent DC link voltage from increasing. The validity of the proposed approach is further verified by the experimental results on a 1.5MW DFIG prototype and LM-SMC results are analytically compared with conventionally tuned Proportional Integral (PI) control strategy.
Mathematical model, Rotors, Capacitors, Switches, Stator windings, Voltage control
F. Rehman, B. Azeem, C. Mehmood, S. Ali, B. Khan and F. Rehman, "Control of Grid Interfaced Doubly Fed Induction Generator (DFIG) Using Adaptive SMC Improved with LVRT Enhancement," 2016 International Conference on Frontiers of Information Technology (FIT), Islamabad, Pakistan, 2016, pp. 336-341.