1991•IEEE Transactions on Power DeliveryRequires access

A personal computer based system for the laboratory evaluation of high performance power system protection relays

M.A. Redfern, R.K. Aggarwal, Ahmad Husseini

Abstract

The power system simulation system described provides a relay under evaluation with current and voltage input similar to that encountered under service and fault conditions. Using digital transient simulation programs to model power system behaviour, the facility provides an effective bandwidth of from DC to 4 kHz for both the current and voltage relay input. The relay's output is automatically monitored during the test, enabling a detailed report of its response to be produced. The application of the system is illustrated by the evaluation of a new EHV teed feeder relaying system.>

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Key concepts: Relay, Protective relay, Digital protective relay, Electric power system, Transient (computer programming), Electrical engineering, Power-system protection, Engineering