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IEC 60909-3 Ed. 2.0 Edition 09/2003
Short-circuit currents in three-phase a.c. systems - Part 3: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth
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Abstract

specifies procedures for calculation of the prospective short-circuit currents with an unbalanced short circuit in high-voltage three-phase AC systems operating at nominal frequency 50 Hz or 60 Hz, i.e.

Status

Standard - Superseded

Origin

Technical Committee :
73 : Short-circuit currents

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60951-3 Ed.3.0 RLV

Relations to older standards
IEC 60909-3 Ed. 1.0

International Classification for Standards (ICS codes) :

17.220.01 : Electricity. Magnetism. General aspects
29.240.20 : Power transmission and distribution lines

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