Control of DFIG Wind Turbine With Direct-Current Vector Control Configuration

The doubly-fed induction generator (DFIG) wind turbine is a variable speed wind turbine widely used in the modern wind power industry. At present, commercial DFIG wind turbines primarily make use of the technology that was developed a decade ago. But, it is found in this paper that there is a limitation in the conventional vector control technique. This paper presents a direct-current vector control method in a DFIG wind turbine, based on which an integrated control strategy is developed for wind energy extraction, reactive power, and grid voltage support controls of the wind turbine. A transient simulation system using SimPowerSystem is built to validate the effectiveness of the proposed control method. The conventional control approach is compared with the proposed control technique for DFIG wind turbine control under both steady and gust wind conditions. The paper shows that under the dc vector control configuration, a DFIG system has a superior performance in various aspects.

[1]  E. Muljadi,et al.  Making connections [wind generation facilities] , 2005, IEEE Power and Energy Magazine.

[2]  Harri Vihriälä.  Control of Variable Speed Wind Turbines , 2002 .

[3]  Jon Clare,et al.  Doubly fed induction generator using back-to-back PWM converters and its application to variable-speed wind-energy generation , 1996 .

[4]  Lie Xu,et al.  Direct active and reactive power control of DFIG for wind energy generation , 2006, IEEE Transactions on Energy Conversion.

[5]  Shuhui Li,et al.  Integrating electrical and aerodynamic characteristics for DFIG wind energy extraction and control study , 2010 .

[6]  Eduard Muljadi,et al.  Doubly Fed Induction Generator Maximum Wind Power Extraction Study Through Integrated Steady-state and Close-loop Control Evaluation , 2010 .

[7]  Eduard Muljadi,et al.  A Study of a Wind Farm Power System , 2002 .

[8]  Shuhui Li,et al.  International Journal of Emerging Electric Power Systems Steady-State Characteristic Study for Integration of DFIG Wind Turbines into Transmission Grid , 2011 .

[9]  Dong Chen,et al.  Fuzzy-PI-Based Direct-Output-Voltage Control Strategy for the STATCOM Used in Utility Distribution Systems , 2009, IEEE Transactions on Industrial Electronics.

[10]  Christian Wessels,et al.  Limitations of Voltage-Oriented PI Current Control of Grid-Connected PWM Rectifiers With $LCL$ Filters , 2009, IEEE Transactions on Industrial Electronics.

[11]  M. Tech,et al.  FACTS Modeling and Simulation in Power Networks , 2014 .

[12]  Enrique Acha,et al.  FACTS: Modelling and Simulation in Power Networks , 2004 .

[13]  Lie Xu,et al.  Dynamic Modeling and Control of DFIG-Based Wind Turbines Under Unbalanced Network Conditions , 2007, IEEE Transactions on Power Systems.

[14]  Sergio Alejandro Gonzalez,et al.  A Robust Predictive Current Control for Three-Phase Grid-Connected Inverters , 2009, IEEE Transactions on Industrial Electronics.

[15]  R. W. De Doncker,et al.  Doubly fed induction generator systems for wind turbines , 2002 .

[16]  Anca Daniela Hansen,et al.  Fault ride-through capability of DFIG wind turbines , 2007 .

[17]  A. Mullane,et al.  Wind-turbine fault ride-through enhancement , 2005, IEEE Transactions on Power Systems.

[18]  Ling Xu,et al.  Conventional and novel control designs for direct driven PMSG wind turbines , 2010 .

[19]  Juan C. Vasquez,et al.  Adaptive Droop Control Applied to Voltage-Source Inverters Operating in Grid-Connected and Islanded Modes , 2009, IEEE Transactions on Industrial Electronics.

[20]  Simon Haykin,et al.  Neural Networks: A Comprehensive Foundation , 1998 .

[21]  P.W. Lehn,et al.  Control Methodology to Mitigate the Grid Impact of Wind Turbines , 2007, IEEE Transactions on Energy Conversion.

[22]  Lie Xu,et al.  Direct Power Control of DFIG With Constant Switching Frequency and Improved Transient Performance , 2007, IEEE Transactions on Energy Conversion.