Event under the auspices of the Ministry of Economy of Slovak Republic

Influence of parallel line on the line distance protection measurement

*Jiří Bermann
ABB s.r.o.

Martin Procházka
ABB s.r.o.


     Last modified: 2017-06-16

Abstract
The paper describes the error in line distance protection measurement due to the influence of a parallel line. It shows how this phenomenon can be compensated using the earth fault compensation factor. The paper introduces a simple method of compensation for sub-transmission network and shows examples of successful implementation in the real life (from Czech network control center and from ABB projects).

 

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