2023 IEEE Belgrade PowerTech

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TT08 Modelling, operation, control, and stability analysis of low-inertia power systems (Part I)

Sunday, 25 June 2023
08:30 - 10:30



The module discusses the dynamic analysis and operation of low-inertia grids, that grid with high penetration of converter-interfaced generation. The module is organized into two parts. The first part focuses on operation and control, whereas the second part deals with modelling and stability analysis. The module blends industry experience and recent trends in academic research. The industry point of view is represented by EirGrid that operates the Irish grid up to 75% non-synchronous instantaneous power generation and DIgSILENT that will share their experience with the implementation of converter and their controllers in a power system software tool. The academic presentations discuss state-of-the-art concepts on the modelling of security constrained optimal power flow problems for low-inertia systems; as well as recent advances in the synchronization stability and modelling of grid-connected converters and their controllers. All presentations include several illustrative examples based on both benchmark and real-world systems.

Course Outline (duration 4h)

Introduction (5 min)
Blending optimization methods with dynamic analysis for low-inertia power systems (45 min)
Dynamic Response of Inverter-based Resources in Ireland and Northern Ireland Power Systems (45 min)
Break (10 min)
Distributed generation modeling, simulation and system studies using DIgSILENT PowerFactory (45 min)
Synchronization stability of grid-connected converters (45 min)
Complex modelling of converter-interfaced generation (40 min)
Closure (5 min)


Petros Aristidou
Cyprus University of Technology, Cyprus

Junru Chen
Xinjiang University, China

Ahsan Murad
DIgSILENT GmbH, Germany

Taulant Kërçi
EirGrid, TSO, Ireland

Federico Milano
University College Dublin, Ireland



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