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  • BSI
    PD IEC/TR 60909-2:2008 Short-circuit currents in three-phase a.c. systems - Data of electrical equipment for short-circuit current calculations
    Edition: 2008
    $473.45
    / user per year

Description of PD IEC/TR 60909-2:2008 2008

This part of IEC 60909 comprises data of electrical equipment collected from different countries to be used when necessary for the calculation of short-circuit currents in accordance with IEC 60909-0.

Generally, electrical equipment data are given by the manufacturers on the name plate or by the electricity supplier.

In some cases, however, the data may not be available. The data in this report may be applied for calculating short-circuit currents in low-voltage networks if they are in accordance with typical equipment employed in the user’s country. The collected data and their evaluation may be used for medium- or high-voltage planning purposes and also for comparison with data given by manufacturers or electricity suppliers. For overhead lines and cables the electrical data may in some cases also be calculated from the physical dimensions and the material following the equations given in this report.

Thus this technical report is an addition to IEC 60909-0. It does not, however, change the basis for the standardized calculation procedure given in IEC 60909-0 and IEC 60909-3.



Standard NumberPD IEC/TR 60909-2:2008
TitleShort-circuit currents in three-phase a.c. systems - Data of electrical equipment for short-circuit current calculations
StatusDefinitive
Publication Date2008-11-13
ReplacesPD 7639-2:1994
Identical National Standard OfIEC TR 60909-2:2008
DescriptorsBus-bars, Data, Electric current, Three-phase current, Electrical components, Fault currents, Transformers, Electric conductors, Alternating current, Overhead power lines, Asynchronous motors, Synchronous machines, Short-circuit currents, Electrical equipment, Mathematical calculations, Electric cables, Autotransformers, Electrical installations
ICS29.020 Electrical engineering in general, 17.220.01 Electricity. Magnetism. General aspects, 29.240.20 Power transmission and distribution lines
CommitteeW/-
ISBN978 0 580 62329 5
PublisherBSI
Pages50

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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