IEC-949 › Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
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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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29.020 (Electrical engineering in general Including voltages, general electrical terminology, electrical documentation, electrical tables, safety, fire hazard testing, etc. Electrical diagrams and charts, see 01.100.25 Electrical power stations, see 27.100 Electromagnetic compatibility, see 33.100)
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IEC 60949 Ed. 1.0 b:1988
Jan. 1, 1988