A New Out-of-Step Relay with Rate of Change of Apparent Resistance Augmentation

A new concept in out-of-step protective relaying that has several advantages over conventional out-of-step relaying is developed. The technique involves augmenting apparent impedance or apparent resistance based control with computed rate of change of apparent impedance or resistance. By use of appr...

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Bibliographic Details
Published inIEEE transactions on power apparatus and systems Vol. PAS-102; no. 3; pp. 631 - 639
Main Authors Taylor, C.W., Haner, J.M., Hill, L.A., Mittelstadt, W.A., Cresap, R.L.
Format Journal Article
LanguageEnglish
Published IEEE 01.03.1983
Subjects
Capacitors
Circuit breakers
Circuit faults
Electric resistance
HVDC transmission
Impedance
Integrated circuit interconnections
Power system relaying
Propagation losses
Relays
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Summary:A new concept in out-of-step protective relaying that has several advantages over conventional out-of-step relaying is developed. The technique involves augmenting apparent impedance or apparent resistance based control with computed rate of change of apparent impedance or resistance. By use of appropriate control laws plus adaptive features, a relay which can be set closer to stability limits is obtained.
ISSN:0018-9510
2995-6323
DOI:10.1109/TPAS.1983.317984