IEC-949 › Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
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1ST EDITION - Jan. 1, 1988
FOR 1ST EDITION AMENDMENT 1 - Sept. 1, 2008
FOR 1ST EDITION AMENDMENT 1 - Sept. 1, 2008
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.
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Document Number
IEC 60949 Ed. 1.0 b:1988
Revision Level
1ST EDITION
Status
Current
Publication Date
Jan. 1, 1988
Committee Number
20