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Short-circuit mechanical effects on outdoor HV substations with wide bundling.
Pitz, Volker; Köster, Hans-Joachim; Stein, Norbert et al.
2004In Conférence Internationale des grands réseaux électriques à haute tension - CIGRE
Peer reviewed
 

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Keywords :
short-circuit; HV substations; pinch force
Abstract :
[en] This paper presents results of a research project investigating the mechanical effects of short-circuit currents in high-voltage substations with conductor bundles. The experimental part was performed on two set-ups, called "100 kV arrangement" and "400 kV arrangement". Those two set-ups differed in the height of the crossarm, the phase-to-phase distance and the conductor sag. Additional parameters which were varied in the course of the experiments included the level and duration of the short-circuit current, the type and number of the spacers used and the bundle spacing. Various forces in the flexible busbar and the supporting structure were recorded during the tests and the stiffness as well as the eigenfrequency of the portals used for supporting the conductors were determined. The test results were evaluated with respect to the maxima of the pinch force, the tensile force and the drop force. They are presented and compared with existing assumptions and calculation methods. The results of this project shall enable IEC standardization committees and CIGRE working groups to carry on with their intended studies and establish a comprehensive method of calculating the mechanical effects in substations with bundle conductors.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Pitz, Volker;  FGH, Mannheim (Germany)
Köster, Hans-Joachim;  FGH, Mannheim (Germany)
Stein, Norbert;  FGH, Mannheim (Germany)
Röder, Dieter Wiener;  Siemens AG, Germany
Meyer, Wolfgang;  University of Erlangen (Germany)
Tsanakas, Dimitris;  University of Patras (Greece)
Lilien, Jean-Louis ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Transport et distribution de l'énergie
Language :
English
Title :
Short-circuit mechanical effects on outdoor HV substations with wide bundling.
Publication date :
August 2004
Event name :
CIGRE (Conférence Internationale des Grands Réseaux Electriques à Haute Tension)
Event organizer :
Cigré
Event place :
Paris, France
Event date :
août 2004
Audience :
International
Main work title :
Conférence Internationale des grands réseaux électriques à haute tension - CIGRE
Publisher :
Cigré, rue d'Artois, 21, Paris, France
Pages :
7 p.
Peer reviewed :
Peer reviewed
Additional URL :
Available on ORBi :
since 27 February 2010

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