IEC 60909-3:1995
Collections
International IEC standards
Publication date
September 1995
Number of pages
53 p.
Reference
IEC 60909-3:1995
Print number
1
IEC 60909-3:1995
September 1995
International standard
Cancelled
Short-circuit current calculation in three-phase a.c. systems - Part 3: Currents during two separate simultaneous single phase line-to-earth short circuits and partial short-circuit currents flowing through earth
The object of this standard is to establish practical and concise procedures for the calculation of line-to-earth short-circuit currents during two separate simultaneous single phase short circuit and partial short-circuit currents through earth from electrical installations, leading to conservative results with sufficient accurate.
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Sumary
Short-circuit current calculation in three-phase a.c. systems - Part 3: Currents during two separate simultaneous single phase line-to-earth short circuits and partial short-circuit currents flowing through earth
The object of this standard is to establish practical and concise procedures for the calculation of line-to-earth short-circuit currents during two separate simultaneous single phase short circuit and partial short-circuit currents through earth from electrical installations, leading to conservative results with sufficient accurate.
The object of this standard is to establish practical and concise procedures for the calculation of line-to-earth short-circuit currents during two separate simultaneous single phase short circuit and partial short-circuit currents through earth from electrical installations, leading to conservative results with sufficient accurate.
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Voir moins
Standard replaced by
(1)
IEC 60909-3:2003
September 2003
International standard
Cancelled
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
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.
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