PSERC
04/06/04
10
PSERC Group for Data
Exploration and Requirements
•NERC Planning Standard specifies Testing and maintenance requirements: Responsibility for maintenance and/or testing
•Relay type,settings,
targets and causes of trips were requested
•PSERC Group did not make any reference to the relay
test data being available and used for blackout investigation
•Recommendation was to standardize data collection but NOT to perform any relay tests