Frequency Dynamics in Fully Non-Synchronous Electrical Grids: A Case Study of an Existing Island

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7 Citazioni (Scopus)


The operation of a power system with 100% converter-interfaced generation poses several questions and challenges regarding various aspects of the design and the control of the system. Existing literature on the integration of renewable energy sources in isolated systems mainly focuses on energy aspects or steady-state issues, and only a few studies examine the dynamic issues of autonomous networks operated with fully non-synchronous generation. A lack of research can be found in particular in the determination of the required amount of grid-forming power, the selection of the number and rated power of the units which should implement the grid-forming controls, and the relative locations of the grid-forming converters. The paper aims to address those research gaps starting from a theoretical point of view and then by examining the actual electrical network of an existing island as a case study. The results obtained from the investigations indicate specific observations and design opportunities, which are essential for securing the synchronization and the stability of the grid. Possible solutions for a fully non-synchronous operation of autonomous systems, in terms of dynamic characteristics and frequency stability, are presented and discussed.
Lingua originaleEnglish
Numero di pagine24
Stato di pubblicazionePublished - 2022

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2100.2103???
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  • ???subjectarea.asjc.2100.2101???
  • ???subjectarea.asjc.2600.2606???
  • ???subjectarea.asjc.2200.2208???


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