Operation Counters; Summary Table Of Base Measurements - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions

Operation counters

Summary table of base
measurements
129 | © 2013 ABB | 1SDH001000R0002 - L7804
Path
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Description
In the presence of auxiliary power, the release records a series information relating to openings
of the circuit-breaker:
• The number of manual openings.
• The total number of operations (manual + trips).
By activating communication with the release, the following counters are also available:
• The number of openings due to tripping of protections.
• The number of openings due tripping of failed protections.
• The number of opening tests performed.
NOTE: the counters are updated only when the release is energized with auxiliary
voltage.
The following table summarises the base measurements:
Quantities measured
Phase currents (I1, I2, I3, Ine)
Earth fault current (Ig)
NOTE: the precisions refer to the normal operational intervals
Normal
Measurement
operating
interval
interval
03...16 In 0.2...1.2 In
08...4 In 0.2...1.2 In
Ekip Touch protection release | 14 - Touch measurements
ABB | SACE Emax 2
Accuracy
1 %
2 %