PSERC
04/06/04
6
What is the relay performance of interest?
•Recommended statistics:
•   - Dependability (should trip when there is a
•     fault)
•   - Security (should not trip when there is no fault)
•Recommended practices after an event (Northeast black out of August 14, 2004):
•   - NERC Actions, February 10, 2004
•   - PSERC Group: Data Exploration and
•     Requirements