Abstract
We present a formal robust testing method for power system cascading failure mitigations. The approach is model-based, using simulated trajectories of the system and proving that uncertainties, e.g., in the initial states or disturbances, do not perturb the trajectories beyond a robust neighborhood around them. We model power systems as hybrid systems with locations representing different swing dynamics and relay dynamics. We present implementations of our robust testing approach in a three-machine system model from the 2003 Italian Blackout and the IEEE 39-bus system model. We apply the robust testing method in two scenarios for averting the cascading failures: 1) robust testing of safety for various generator mechanical power dispatch schedules and 2) robust testing of safety for postfault remedial actions based on quick-start storage.
Original language | English (US) |
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Article number | 4267003 |
Pages (from-to) | 3063-3074 |
Number of pages | 12 |
Journal | IEEE Systems Journal |
Volume | 12 |
Issue number | 4 |
DOIs | |
State | Published - Dec 2018 |
Externally published | Yes |
Keywords
- Cascading failures
- hybrid system
- quick-start storage
- robust neighborhood
- robust testing
ASJC Scopus subject areas
- Control and Systems Engineering
- Information Systems
- Computer Science Applications
- Computer Networks and Communications
- Electrical and Electronic Engineering