4–12 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
A3 RECORDS CHAPTER 4: ACTUAL VALUES
Second and fifth harmonic per-phase differential current. All per Winding 1 and 2. The
Event Recorder can be cleared from
ACTUAL VALUES > A3 RECORDS > CLEAR EVENT REC
setpoint. The following table provides a list of the event types:
Table 4-2: Event type
For a complete list of Event Causes, see Format Code FC134 in the 3 Series
Communications Guide. Note that the format codes differ for each relay model.
Transient records
PATH: ACTUAL VALUES > A3 RECORDS > TRANSIENT RECORDS
FORCE TRIGGER?
No
Range: No, Yes
TOTAL RECORDS
1
Range: N/A
AVAILABLE RECORDS
1
Range: N/A
LAST CLEARED
Feb 08 2009
Range: N/A
Event Type Display Description
General Events None Events that occur when specific
operation takes place
Pickup Events PICKUP: These are events that occur when a
protection element picks up
Trip Events TRIP: These are events that occur when a
breaker trip is initiated
Alarm and Latched Alarm Events ALARM: These are events that occur when an
alarm is initiated
Control Events CONTROL: These are events that occur when a
control element is activated
Dropout Events DROPOUT: These are events that occur when a
protection element drops out after a
corresponding pickup event
Contact Input Events C. INPUT: These are events that occur when a
contact input changes its state
Virtual Input Events V. INPUT These are events that occur when a
virtual input changes its state
Remote Input Events R. INPUT These are events that occur when a
remote input changes its state
Logic Element Events L. ELEMENT These are events that occur when a logic
element changes its state
Self-Test Warning Events SELF-TEST WARNING These are events that occur when a self-
test warning is detected.
Block Events BLOCK: These are events that occur upon
activation of any block signal.
Setting Date/Time Events GENERAL: These are events that occur upon
changing the date or time in the relay.
To Next Page
Loading...
