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IEC 60949 Ed. 1.0 b:1988

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

standard by International Electrotechnical Commission , 11/25/1988

📝 Amendments Available

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Full Description

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.
 

Product Details

Edition:
1.0
Published:
11/25/1988
Number of Pages:
25
File Size:
1 file , 1.6 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus, Canada
 

Amendments, rulings, supplements, and errata

  1. IEC 60949 Amd.1 Ed. 1.0 b:2008


    Amendment 1 - Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects