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Homepage>IEC Standards>IEC 60949:1988 - Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
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download between 0-24 hoursReleased: 1988-11-25
IEC 60949:1988 - Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects

IEC 60949:1988

Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects

Calcul des courants de court-circuit admissibles au plan thermique, tenant compte des effets d'un échauffement non adiabatique

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Standard number:IEC 60949:1988
Released:1988-11-25
Language:English/French - Bilingual
DESCRIPTION

IEC 60949:1988

The approach set out in this standard is to: a) calculate the adiabatic short-circuit current, b) calculate a modifying factor that takes account of the non-adiabatic heating effect, c) multiply a) and b) to obtain permissible short-circuit current.