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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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Small-signal stability analysis of multi-terminal VSC-based dc transmission systems

Kalcon, Giddani O. and Adam, Grain P. and Anaya-Lara, Olimpo and Lo, Stephen and Uhlen, Kjetil (2012) Small-signal stability analysis of multi-terminal VSC-based dc transmission systems. IEEE Transactions on Power Systems, 27 (4). pp. 1818-1830. ISSN 0885-8950

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Abstract

A model suitable for small-signal stability analysis and control design of multi-terminal dc networks is presented. A generic test network that combines conventional synchronous and offshore wind generation connected to shore via a dc network is used to illustrate the design of enhanced voltage source converter (VSC) controllers. The impact of VSC control parameters on network stability is discussed and the overall network dynamic performance assessed in the event of small and large perturbations. Time-domain simulations conducted in Matlab/Simulink are used to validate the operational limits of the VSC controllers obtained from the small-signal stability analysis.