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Conference Papers Year : 2007

Symmetric Components for Transient Regime Application in MV Systems

Robert Kaczmarek

Abstract

In order to apply advantageously the symmetrical components theory to SLG fault transients in distribution systems we take profit of similitude of transient components in faulty phase current and in zero sequence current on faulty feeder. Then we are able to take into account the load current contribution within voltage drop account of zero sequence equivalent circuit. The result is an Extended Zero Sequence circuit, of better accuracy comparing to Traditional Zero Sequence circuit or Full Sequence 0-p-n circuit. It presents accurately enough a MV system response to an SLG fault occurrence, whereas traditional equivalent circuits assume only one frequency analysis. Consequently, the new zero sequence circuit is more adapted for evaluation of amplitudes of actual transients or for fault location tasks.

Domains

Electric power
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Dates and versions

hal-00242531 , version 1 (06-02-2008)

Identifiers

  • HAL Id : hal-00242531 , version 1

Cite

Wan-Ying Huang, Robert Kaczmarek. Symmetric Components for Transient Regime Application in MV Systems. IPST 2007, 2007, Lyon, France. pp.1-4. ⟨hal-00242531⟩
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