Ripple-Type Voltage Control for Extreme-Event Contingencies: Preprint

Research output: Contribution to conferencePaper


Frequent and intense extreme events make grid operation unprecedentedly challenging. Disruptive events could lead to dangerous voltage drops and even voltage collapse if corrective actions are not quickly taken. In this paper, we present a real-time algorithm for voltage control suitable for mitigating electric grid damage scenarios. In our strategy, when agents (generators, substations) experience a dangerous undervoltage, they first respond locally. When the local control resources are depleted, agents seek assistance from peer nodes over a communication network. The algorithm is simulated on a realistic test transmission system. Using fragility curve methodology, we simulate hurricane damages to the components of the synthetic 2000-bus grid representing the ERCOT system. Although being tested over a damaged grid after a hurricane event, our algorithm can be equally successfully applied to any other emergency low-voltage situation.
Original languageAmerican English
Number of pages9
StatePublished - 2023
Event2023 American Control Conference (ACC) - San Diego, California
Duration: 31 May 20232 Jun 2023


Conference2023 American Control Conference (ACC)
CitySan Diego, California

NREL Publication Number

  • NREL/CP-2C00-84711


  • extreme weather events
  • resilience
  • ripple type control
  • voltage control


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