Nilanjan Ray Chaudhuri / Pennsylvania State University

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    • Title: WAMS-Based Mode Meters With Guarantees On Data Recovery Under Corruption

    Date: April 26, 2021

    Bio: Nilanjan Ray Chaudhuri received his Ph.D. degree from Imperial College London, London, UK in 2011 in Power Systems. From 2005-2007, he worked in General Electric (GE) John F. Welch Technology Center. He came back to GE and worked in GE Global Research Center, NY, USA as a Lead Engineer during 2011-2014. Presently, he is an Associate Professor with the School of Electrical Engineering and Computer Science at Penn State, University Park, PA. He was an Assistant Professor with North Dakota State University, Fargo, ND, USA during 2014-2016. He is a member of the IEEE and IEEE PES. Dr. Ray Chaudhuri is the lead author of the book Multi-terminal Direct Current Grids: Modeling, Analysis, and Control (Wiley/IEEE Press, 2014), and served as an Associate Editor of the IEEE TRANSACTIONS ON POWER DELIVERY (2013 - 2019) and IEEE PES LETTERS (2016 - present). Dr. Ray Chaudhuri was the recipient of the National Science Foundation Early Faculty CAREER Award in 2016 and Joel and Ruth Spira Excellence in Teaching Award in 2019.

    Abstract: In this talk, the speaker will focus on data anomaly issues, stemming from cyber-attacks or otherwise, during wide-area monitoring of power grids. Particular attention will be focused on mode-metering application of PMU data. First, the application of robust principal component analysis (R-PCA) for sparse anomaly detection and correction in PMU data will be introduced, which builds on the theory of compressive sensing. Next, insights will be developed into grouping PMU signals for guaranteeing data recovery under sparse corruption. Analytical relations will be derived to express the denseness of the subspace spanned by a measurement window in terms of the modal observabilities of its constituent signals. These insights will be validated on synthetic data from IEEE test systems, as well as field PMU data from a US utility.

    Learning Materials: Talk Flyer Talk Slides

    Interacting Materials:

    1. Papers
      1. Securing Wide Area Measurement Systems
      2. Malicious Corruption-Resilient Wide-Area Oscillation Monitoring Using Principal Component Pursuit
      3. Wide Area Measurement Systems
      4. Wide-area Protection and Control System With WAMS Based
      5. Wide-Area-Measurement System Development at the Distribution Level
    2. Videos
      1. Wide Area Monitoring And Control system
      2. Advanced Phasor Measurement Units for the Real-Time Monitoring
      3. WAMS application as well as Phasor Measurement Units (PMU)
      4. Wide-Area Modeling, Monitoring & Control of Large Power Systems Using PMU Technology
    3. Data


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