Impact of Asymmetry of Over-Head Power Line Parameters on Short-Circuit Currents | Zendy

Žaneta Eleschová | Zendy; Marián Ivanič | Zendy

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Impact of Asymmetry of Over-Head Power Line Parameters on Short-Circuit Currents

Author(s) -

Žaneta Eleschová,

Marián Ivanič

Publication year - 2017

Publication title -

transactions on electrical engineering

Language(s) - English

Resource type - Journals

ISSN - 1805-3386

DOI - 10.14311/tee.2016.4.112

Subject(s) - asymmetry , span (engineering) , short circuit , electrical engineering , power (physics) , line (geometry) , head (geology) , ground , fault (geology) , electrical conductor , current (fluid) , physics , phase (matter) , voltage , engineering , mathematics , geology , structural engineering , geometry , quantum mechanics , geomorphology , seismology

This paper analyses the impact of asymmetry of over-head power line parameters on short circuit currents when three-phase fault and phase-to-ground fault occur. The calculation results with consideration of an asymmetry of the power line parameters are confronted with the calculation in accordance with the Slovak standard STN EN 60909 which does not consider asymmetry of equipment parameters in the power system. The calculation of short-circuit conditions was carried out for two types of 400 kV power line towers on which is a considerably different arrangement of phase conductors.

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