Local Frequency Transients in the Future European Synchronous Transmission Grid

Mariano Dominguez Librandi, Thomas Würl, Daniel Stenzel, Rolf Witzmann, Soupayan Bose, Jörg Michael Schmidt, Vladimir Milic, Ernest Tchagou

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The planned shutdown of coal and nuclear power plants together with the increasing presence of converter-interfaced systems such as HVDC links and Renewable Energy Sources (RES) is modifying the traditional structure of power systems. This trend leads to a decrease in available kinetic energy that affects frequency stability since conventional power plants are being displaced. A common practice during frequency studies is to consider only the Center of Inertia (CoI). This approach implies the neglect of local frequency and RoCoF transients. Such an assumption might not always be valid. In this work, we elaborate on the mechanism behind the origin of local frequency transients. Then, we demonstrate with dynamic simulations that these transients can occur in the European context after a plausible single-contingency. The results lead to practical conclusions relevant to transmission system operators. For instance, we identify that zero inertia regions do not directly imply a worse local transient behavior.

Original languageEnglish
Title of host publicationNEIS 2021 - Conference on Sustainable Energy Supply and Energy Storage Systems
EditorsDetlef Schulz
PublisherVDE VERLAG GMBH
Pages90-96
Number of pages7
ISBN (Electronic)9783800756513
StatePublished - 2021
Event9th Conference on Sustainable Energy Supply and Energy Storage Systems, NEIS 2021 - Hamburg, Germany
Duration: 13 Sep 202114 Sep 2021

Publication series

NameNEIS 2021 - Conference on Sustainable Energy Supply and Energy Storage Systems

Conference

Conference9th Conference on Sustainable Energy Supply and Energy Storage Systems, NEIS 2021
Country/TerritoryGermany
CityHamburg
Period13/09/2114/09/21

Keywords

  • European synchronous grid
  • Frequency
  • Local transients
  • Power system
  • converter-interfaced units

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