Consensus + Innovations Approach for Online Distributed Multi-Area Inertia Estimation

The reduction of overall system inertia in modern power systems due to the increasing deployment of distributed energy resources is generally recognized as a major issue for system stability. Consequently, real-time monitoring of system inertia is critical to ensure a reliable and cost-effective sys...

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Veröffentlicht in:2024 IEEE PES Innovative Smart Grid Technologies Europe (ISGT EUROPE) S. 1 - 6
Hauptverfasser: Lorenz-Meyer, Nicolai, Wurfel, Hans, Schiffer, Johannes
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 14.10.2024
Schlagworte:
Estimation
Europe
Low-inertia systems
power system inertia
Power system reliability
Power system stability
Real-time systems
Reliability
robust distributed parameter estimation
Smart grids
Stability analysis
Systems operation
Technological innovation
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Zusammenfassung:The reduction of overall system inertia in modern power systems due to the increasing deployment of distributed energy resources is generally recognized as a major issue for system stability. Consequently, real-time monitoring of system inertia is critical to ensure a reliable and cost-effective system operation. Large-scale power systems are typically managed by multiple transmission system operators, making it difficult to have a central entity with access to global measurement data, which is usually required for estimating the overall system inertia. We address this problem by proposing a fully distributed inertia estimation algorithm with rigorous analytical convergence guarantees. This method requires only peer-to-peer sharing of local parameter estimates between neighboring control areas, eliminating the need for a centralized collection of real-time measurements. We robustify the algorithm in the presence of typical power system disturbances and demonstrate its performance in simulations based on the well-known New England IEEE 39-bus system.
DOI:10.1109/ISGTEUROPE62998.2024.10863379