IEC TR 60909-2:2008
Short-circuit currents in three-phase a.c. systems - Part 2: Data of electrical equipment for short-circuit current calculations
- Subclause 2.5 gives equations and examples for the calculation of the positive-, the negative- and the zero-sequence impedances and reduction factors for high-, medium and low-voltage cables with sheaths and shields earthed at both ends.
- Subclause 2.7 gives equations and figures for the calculation of the positive-sequence impedances of busbar configurations.
|Publication type||Technical Report|
|Available language(s)||English, Spanish|
|TC/SC||TC 73 - Short-circuit currentsrss|
|ICS||17.220.01 - Electricity. Magnetism. General aspects
29.240.20 - Power transmission and distribution lines
|File size||1531 KB|
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