Active standard | Published: 17/06/1997

IEC 61660-2-ed.1.0

Short-circuit currents in d.c. auxiliary installations in power plants and substations - Part 2: Calculation of effects
(Courants de court-circuit dans les installations auxiliaires alimentees en courant continu dans les centrales et les postes - Partie 2: Calcul des effets)

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Detail information

Designation: IEC 61660-2-ed.1.0

Publication date: 17/06/1997

Pages: 75

Country: International technical standard

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Anotation

Describes a method for calculation of the mechanical and thermal effects on rigid conductors caused by short-circuit currents in d.c. auxilliary installations in power plants and substations, as described in IEC 61660-1. Provides a method which has wide application and which gives results of sufficient accuracy. The calculation method is based on substitute functions, which cause approximately the same maximum stresses in the conductors and the same forces on the supports as the actual electromagnetic force. Decrit une methode de calcul des effets mecaniques et thermiques sur les conducteurs rigides dus aux courants de court-circuit dans les installations auxiliaires alimentees en courant continu dans les centrales et les postes, tels que decrits dans la CEI 61660-1. Donne une methode generalement applicable et fournit des resultats dune precision suffisante. La methode de calcul est basee sur des fonctions de substitution produisant par approximation les memes contraintes maximales dans les conducteurs et les memes forces sur les supports que la force electromagnetique reelle.

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