SN EN 60909-3:2003现行
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
出版：Swiss Standards
专家解读视频
Describes procedures for calculation of the prospective short-circuit currents with an unbalanced short circuit in high-voltage three-phase a.c. systems operating at nominal frequency 50 Hz or 60 Hz.
NBN EN 60909-3:2005 - Identical
DIN EN 60909-3 (2004-05) - Identical
BS EN 60909-3:2003 - Identical
UNE EN 60909-3:2004 - Identical
SS EN 60909-3 Ed. 1 (2004) - Identical
IEC 60909-3 Ed. 2.0 - Identical
I.S. EN 60909-3:2003 - Identical
NF EN 60909-3:2004 - Identical
NF EN 60909-3:2010 - Identical
NBN EN 60909-3:2010 - Identical
DIN EN 60909-3:2010 - Identical
EN 60909-3:2010 - Identical
BS EN 60909-3:2010 - Identical
SS EN 60909-3 Ed. 2 (2010) - Identical
UNE EN 60909-3:2011 - Identical
