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DPMU-based multiple event detection in a microgrid considering measurement anomalies

Author

Listed:
  • Som, Shreyasi
  • Dutta, Rajarshi
  • Gholami, Amir
  • Srivastava, Anurag K.
  • Chakrabarti, Saikat
  • Sahoo, Soumya Ranjan

Abstract

A microgrid may be subjected to various unexpected events, such as sudden tripping of a generator/load, line outages due to faults, sudden switching of large capacitor banks, etc. Detection and classification of events play an essential role in the reliable operation, control, and restoration of microgrids. Due to low observability in microgrids, anomalies in measurements pose a challenge for reliable detection of events using conventional methods. This work proposes a data-driven approach for event detection in microgrids using phasor measurements collected from distribution-level phasor measurement units (DPMUs). The proposed method can determine whether the change in phasor measurement is caused by an event or due to any measurement anomalies. The model explores the interdependency among all phasor measurements collected from an unobservable microgrid. This method can identify and replace anomalies in DPMU measurements using a Rauch–Tung–Striebel (RTS) smoother. The proposed algorithm performance is validated on a test system developed in an OPAL-RT/HYPERSIM real-time simulator and phasor measurements from DPMUs.

Suggested Citation

  • Som, Shreyasi & Dutta, Rajarshi & Gholami, Amir & Srivastava, Anurag K. & Chakrabarti, Saikat & Sahoo, Soumya Ranjan, 2022. "DPMU-based multiple event detection in a microgrid considering measurement anomalies," Applied Energy, Elsevier, vol. 308(C).
    • Handle: RePEc:eee:appene:v:308:y:2022:i:c:s0306261921015312
    DOI: 10.1016/j.apenergy.2021.118269
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    Cited by:

    1. Uzair, Muhammad & Li, Li & Eskandari, Mohsen & Hossain, Jahangir & Zhu, Jian Guo, 2023. "Challenges, advances and future trends in AC microgrid protection: With a focus on intelligent learning methods," Renewable and Sustainable Energy Reviews, Elsevier, vol. 178(C).
    2. Chinmayee Biswal & Binod Kumar Sahu & Manohar Mishra & Pravat Kumar Rout, 2023. "Real-Time Grid Monitoring and Protection: A Comprehensive Survey on the Advantages of Phasor Measurement Units," Energies, MDPI, vol. 16(10), pages 1-34, May.

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