15
PS
ERC
Better Data
Correlated
Data
Interpreting CB
cause effect
sequences
Making
relationship
between status
changes and
changes in analogs
Redundant
Data
Multiple IEDs
measure CB status
and analogs
Confirming CB status
based on multiple
indications of the
status
Cumulative
Data
Counting number of CB
operations
Taking into account
number or repairs and
calculating failure rates