Methodology for identification of controller parameters of a diesel generator in islanded grid operation

Claudia Bernecker-Castro, Johanna Timmermann, Drinor Mecinaj, Rolf Witzmann, Tobias Lechner, Sebastian Sei-Fried, Michael Finkel, Kathrin Schaarschmidt, Steffen Herrmann

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

Abstract

Isolated grid operation has been proposed as a feasible solution in case of long-lasting power blackouts, using the available generation units inside a local area. The availability of reliable generation plant models becomes very important to investigate the new stability margins within an isolated grid. Previous works use simulation models based on simplified controller models [11] or typical controller values [7] found in the literature for stability analysis, which calls into question the applicability of its results in field cases. A more realistic approach, for stability analysis in isolated grids, can be attended by using validated simulation models. However, the absence of general guidelines for parameter validation and optimization makes subsequent analysis difficult. This work proposes a methodology for model validation using measurement data of a synchronous generator powered by a diesel motor, used by a network operator in Germany for emergency power supply during network maintenance. Results show that it is possible to find the best-suited controller parameters, given available standard models for frequency and voltage outputs.

Original languageEnglish
Title of host publicationNEIS 2023 - Conference on Sustainable Energy Supply and Energy Storage Systems
EditorsDetlef Schulz
PublisherVDE VERLAG GMBH
Pages72-78
Number of pages7
ISBN (Electronic)9783800761340
StatePublished - 2023
Event11th Conference on Sustainable Energy Supply and Energy Storage Systems, NEIS 2023 - Hamburg, Germany
Duration: 4 Sep 20235 Sep 2023

Publication series

NameNEIS 2023 - Conference on Sustainable Energy Supply and Energy Storage Systems

Conference

Conference11th Conference on Sustainable Energy Supply and Energy Storage Systems, NEIS 2023
Country/TerritoryGermany
CityHamburg
Period4/09/235/09/23

Keywords

  • controller parameter identification
  • diesel electric generator
  • dynamical modeling
  • frequency stability
  • islanded grid
  • microgrid
  • particle swarm optimisation (PSO)
  • power system stability
  • voltage stability

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