Effects of Wind Turbine Generators on Inter-Area Oscillations and Damping Control Design
- Felipe Wilches-Bernal, Electric Power Systems Research, Sandia National Laboratories, Albuquerque, New Mexico, United States
- Christoph Lackner, Electrical, Computer & Systems Engineering, Rensselaer Polytechnic Institute, Troy, New York, United States
- Joe H. Chow, Electrical, Computer & Systems Engineering, Rensselaer Polytechnic Institute, Troy, New York, United States
- Juan J. Sanchez-Gasca, General Electric, Schenectady, New York, United States
AbstractThis paper analyzes the effect of wind turbine integration (WT) on the inter-area oscillation mode of a test two-area power system. The paper uses a root-locus based design method to propose a pair of controllers to provide damping to the inter-area mode of the system. The controllers are selected from the best combination of feedback signal and WT control action. One of the controllers uses the active power control part of the WT while the other uses the reactive power part. The paper analyzes the impact that increases on the transmission line connecting the WT to the system have on the controllers’ performance. Time domain simulations are provided to evaluate the effectiveness of the controllers under different conditions.
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