Phase Distance Relaying With Fault Resistance Compensation for Unbalanced Systems

This letter presents an extension of an existing ground distance relay algorithm to include phase distance relays. The algorithm uses a fault resistance estimation process in the phase domain, improving efficiency in the distance protection process. The results show that the algorithm is suitable fo...

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Veröffentlicht in:	IEEE transactions on power delivery 2011-04, Vol.26 (2), p.1282-1283
Hauptverfasser:	Salim, R H, Marzec, D P, Bretas, A S
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Applied sciences Asymmetry Connection and protection apparatus Digital relays Disturbances. Regulation. Protection Electrical engineering. Electrical power engineering Electrical power engineering Electrical resistance measurement Equations Exact sciences and technology Fault diagnosis Fault location fault resistance Faults Grounds Impedance measurement On-line systems Online Phase estimation Power networks and lines power system faults Power system protection Power system relaying Protective relaying Relay Relaying Testing. Reliability. Quality control
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