High-Speed Distance Relaying Using a Digital Computer II-Test Results
- 1 May 1972
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-91 (3) , 1244-1258
- https://doi.org/10.1109/TPAS.1972.293483
Abstract
An experimental general-purpose process-control digital- computer system described in a companion paper (I-System Description) provides high-speed phase-and ground-distance fault protection of one 230 kV transmission line. The stored program performs all of the relaying functions using the output of an analog-to- digital converter which reads the instantaneous value of the power- system currents and voltages. Model line tests described here form the basis for preliminary performance evaluation. An automatic oscillograph and diagnostic programs will allow a study of field performance.Keywords
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