Projects per year
Abstract
In harmonic stability studies, stable operation of a power system must be ensured at any possible configuration. This leads to a large number of cases due to the high number of components in a power system. An aggregated model can be used to lower the complexity and to reduce the number of different cases. In other words, several similar converters (e.g. Wind Turbine Generators) can be replaced by a converter with larger ratings. In most cases, aggregated models work well for stability studies, however, in some cases the aggregation might result in a wrong evaluation of stability. The aggregation reduces the complexity of the system by removing some statevariables of the overall system matrices; however, sometimes these removed variables contain some important information about the stability of the system. In this paper this problem is shown by a case study and it is evaluated by different methods, and a solution is also proposed.
Original language  English 

Title of host publication  Proceedings of 16th Wind Integration Workshop 
Number of pages  4 
Publisher  Energynautics GmbH 
Publication date  Oct 2017 
Publication status  Published  Oct 2017 
Event  16th Wind Integration Workshop  Berlin, Germany Duration: 25 Oct 2017 → 27 Oct 2017 
Conference
Conference  16th Wind Integration Workshop 

Country  Germany 
City  Berlin 
Period  25/10/2017 → 27/10/2017 
Keywords
 Aggregation
 Harmonic stability
 Model Order Reduction
 Voltage Source Converter
 Wind Power
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Projects
 1 Finished

HARMONY: HARMONY  Harmonic identification, mitigation and control in power electronics based power systems
Blaabjerg, F., Bak, C. L., Wang, X., Beres, R. N., Kwon, J., Gui, Y., Yoon, C. & Ebrahimzadeh, E.
01/02/2013 → 28/02/2018
Project: Research