Title A Method for Evaluating Frequency Regulation in an Electrical Grid - Part II: Applications to Non-Synchronous Devices
External publication No
Means IEEE Trans Power Syst
Scope Article
Nature Científica
JCR Quartile 1
SJR Quartile 1
Area International
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099380606&doi=10.1109%2fTPWRS.2020.3007851&partnerID=40&md5=142f0cb000c7497c4e510af4df139742
Publication date 01/01/2021
ISI 000607385700018
Scopus Id 2-s2.0-85099380606
DOI 10.1109/TPWRS.2020.3007851
Abstract The second part of this two-part paper discusses how to determine whether a device connected to the grid is providing inertial response and/or frequency control. The proposed technique is based on the index proposed in Part I of this paper. This part first discusses the dynamic behavior in terms of the rate of change of controlled power of a variety of non-synchronous devices that do and do not regulate the frequency. These include passive loads, energy storage systems and thermostatically controlled loads. Then a case study based on a real-world dynamic model of the all-island Irish transmission system discusses an application, based on a statistical analysis, of the proposed technique to wind power plants with and without frequency control. The properties and the robustness with respect to noise and other measurement issues of the proposed technique are also thoroughly discussed.
Keywords Frequency control; Power system dynamics; Energy storage; Stochastic processes; Load modeling; Frequency measurement; Noise measurement; Primary frequency control; inertial response; converter-interfa
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