Frequency stability assessment of modern power systems: Models definition and parameters identification

One of the fundamental concerns in the operation of modern power systems is the assessment of their frequency stability in case of inertia-reduction induced by the large share of power electronic interfaced resources. Within this context, the paper proposes a framework that, by making use of linear models of the frequency response of different types of power plants, including also grid-forming and grid-following converters, is capable to infer a numerically tractable dynamical model to be used in frequency stability assessment. Furthermore, the proposed framework makes use of models defined in a way such that their parameters can be inferred from real-time measurements feeding a classical least squares estimator. The paper validates the proposed framework using a full-replica of the dynamical model of the IEEE 39 bus system simulated in a real-time platform.

Published in:
Sustainable Energy, Grids and Networks, 23, 100384
Aug 28 2020

 Record created 2020-09-24, last modified 2020-10-29

Rate this document:

Rate this document:
(Not yet reviewed)