On-Line Frequency Forecasting using Convolutional Neural Networks

Théo Chacou Bertoldi, Viktoriya Mostova, Silvia Iuliano, Alfredo Vaccaro
Abstract:
In modern power systems the replacement of large synchronous generators with distributed inverter-based resources is lowering the power system inertia, making electrical grids more vulnerable to dynamic perturbations. For this purpose the European Network of Transmission System Operators for Electricity promoted the enhancement of the grid operation tools with specific functions for on-line estimation of the power system inertia, which are extremely useful in detecting critical thresholds and triggering proper mitigation strategies. For this purpose, the development of reliable frequency predictive models represents an essential requirement for enabling system inertia estimation. To try and address this issue, this paper explores the role of Convolutional Neural Networks (CNN) for on-line frequency estimation from grid measurements. The main idea is to model the grid frequency deviations by a CNN-based identification technique, which allows inferring the main parameters ruling the power system dynamics. Detailed simulation results obtained on several case studies demonstrate that the CNN model is able to detect data patterns, and discover hidden relationships maintaining low estimation errors even for multi-step ahead frequency predictions, thus offering a valuable tool for inertia estimation in modern power systems, especially with the increasing share of renewable energy.
Download:
IMEKO-TC6-2025-044.pdf
DOI:
10.21014/tc6-2025.044
Event details
IMEKO TC:
TC6
Event name:
TC6 M4Dconf2025
Title:

2025 IMEKO TC-6 International Conference on Metrology and Digital Transformation

Place:
Benevento, ITALY
Time:
03 September 2025 - 05 September 2025