IEC 60949 Ed. 1.0 b:1988

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

International Electrotechnical Commission, 11/25/1988

Publisher: IEC

File Format: PDF

$47.00$95.00


Published:25/11/1988

Pages:25

File Size:1 file , 1.6 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

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.

More IEC standard pdf

IEC 63159-1 Ed. 1.0 b:2021

IEC 63159-1 Ed. 1.0 b:2021

Household electric instantaneous water heaters - Methods for measuring the performance - Part 1: General aspects

$95.00 $190.00

IEC 62047-41 Ed. 1.0 b:2021

IEC 62047-41 Ed. 1.0 b:2021

Semiconductor devices - Micro-electromechanical devices - Part 41: RF MEMS circulators and isolators

$139.00 $278.00

IEC /ASTM 62885-7 Ed. 1.1 b:2022

IEC /ASTM 62885-7 Ed. 1.1 b:2022

Surface cleaning appliances - Part 7: Dry-cleaning robots for household or similar use - Methods for measuring the performance CONSOLIDATED EDITION

$284.00 $569.00

IEC 60076-22-8 Ed. 1.0 b:2021

IEC 60076-22-8 Ed. 1.0 b:2021

Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks

$95.00 $190.00