Yilu Liu / University of Tennessee and Oak Ridge National Laboratory

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  • liu@utk.edu

    • Title: Unlimited Benefit from Grid Edge Synchronized Measurement Data

    Date: December 10, 2020

    Bio: Yilu Liu received her M.S. and Ph.D. degrees from the Ohio State University, Columbus, in 1986 and 1989. She received the B.S. degree from Xian Jiaotong University, China. Dr. Liu is currently the UT-ORNL Governor's Chair at the University of Tennessee and Oak Ridge National Laboratory. She is also the deputy director of the DOE/NSF engineering research center CURENT (curent.utk.edu). She led the effort to create the North American power grid Frequency Monitoring Network FNET/GridEye (fnetpublic.utk.edu, powerit.utk.edu). Dr. Liu is an expert in large grid dynamic modeling, simulations, and monitoring.

    Abstract: The talk will provide an update on the effort of power grid wide-area monitoring and observations that were made possible from the grid edge synchronized data. The critical roles of wide-area phasor measurement in situation awareness, operation, and control will be discussed. The concept of electromechanical wave propagation in power grid will be demonstrated using measurement data collected from the actual grids. Applications of time synchronized data in event location, oscillation location detection, model validation, and others will be discussed.

    Learning Materials: Talk Flyer Talk Slides

    Interacting Materials:

    1. Papers
      1. Analysis of electromechanical disturbance propagation in power systems
      2. Propagation speed of disturbance in large-scale power system
      3. Simulation Study on Electromechanical Disturbance Propagation in Large Power System
      4. Disturbance propagation, inertia location and slow modes in large-scale high voltage power grids
      5. Disturbance propagation in power system based on an epidemic model
    2. Videos
      1. What is Power Quality & Why It's Important Webinar
      2. San Diego Blackout - September 8, 2011
      3. The Geomagnetic Storm of 1989
      4. Disturbance propagation, Stagnation and Sonic Properties
      5. The amplitude of a wave disturbance propagating along positive X-axis
    3. Data


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