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Protective Relay Synchrophasor Measurements During Fault Conditions

This paper describes details of the signal processing techniques that a protective relay uses to provide both synchronized phasor measurements and line distance protection. The paper also presents a comprehensive system model of normal and faulted power system operating conditions. Finally, the paper provides power system model test results that demonstrate the ability of the described protective relay to provide synchrophasor measurements during both normal and faulted conditions