Authors: Brato, Sebastian
Surmann, Dirk
Krey, Sebastian
Götze, Jürgen
Ligges, Uwe
Weihs, Claus
Title: Stability Analysis and Clustering of Electrical Transmission Systems
Language (ISO): en
Abstract: A proper understanding and modelling of the behaviour of heavily loaded large-scale electrical transmission systems is essential for a secure and uninterrupted operation. In this paper we present a descriptive analysis especially of low frequency oscillations within an electricity network and methods to assess the stability of the whole system based on an ARMAX model and the ESPRIT algorithm. Further we present two methods to separate the network into local areas, which is necessary for an efficient modelling of a large electrical system. The first method has its foundation in the results of the ARMAX based stability analysis and the second method concentrates on the network topology. In the last part of this paper we present an approach how an modelling of such local areas within an large electrical system based on stochastic differential equation models is possible.
Subject Headings: statistics
spectral clustering
power network
electricity network
stability analysis
signal analysis
Issue Date: 2014-02-11
Appears in Collections:DFG-Forschergruppe: Schutz- und Leittechnik zur zuverlässigen und sicheren Energieübertragung

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