4–10 345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
A3 RECORDS CHAPTER 4: ACTUAL VALUES
A3 Records
The 345 has an event recorder which runs continuously. All event records are stored in
memory such that information is maintained for up to 3 days even after losing relay
control power. The events are displayed from newest to oldest event. Each event has a
header message containing a summary of the event that occurred, and is assigned an
event number equal to the number of events that have occurred since the recorder was
cleared. The event number is incremented for each new event.
Event records
The Event Recorder runs continuously, capturing and storing the last 256 events. All events
are stored in non-volatile memory where the information is maintained, even in the case
where relay control power is lost.
Shown below is an example of an event record caused by a Breaker Open operation, and
the recorded information at the time of this record.
PATH:
ACTUAL VALUES > A3 RECORDS > EVENT RECORDS
Table 4-1: Example of Event Record
A3 EVENT REC T:5655 E5655 Jan 05, 10
Ph IOC1 Trip OP 17:32:28.376
▶ E5655 TRIP Ph IOC1 Trip OP W1 Ia x
CT(W1)0.08 x CT 0° Lag
▼
E5655 TRIP Ph IOC1 Trip OP W1 Ib x
CT(W1)0.00 x CT 0° Lag
▼
E5655 TRIP Ph IOC1 Trip OP W1 Ic x
CT(W1)0.00 x CT 0° Lag
▼
E5655 TRIP Ph IOC1 Trip OP W1 Ig x
CTg(W1)0.00 x CT 0° Lag
▼
E5655 TRIP Ph IOC1 Trip OP W1 In x
CT(W1)0.08 x CT 0° Lag
▼
E5655 TRIP Ph IOC1 Trip OP W1 Igd x
CT(W1)0.08 x CT
▼
E5655 TRIP Ph IOC1 Trip OP W1 Igr x
CT(W1)0.08 x CT
▼
E5655 TRIP Ph IOC1 Trip OPW1 I_2 x
CT(W1)0.03 x CT
▼
E5655 TRIP Ph IOC1 Trip OP W2 Ia x
CT(W2)0.00 x CT 0° Lag
▼
E5655 TRIP Ph IOC1 Trip OP W2 Ib x
CT(W2)0.00 x CT 0° Lag
▼
E5655 TRIP Ph IOC1 Trip OP W2 Ic x
CT(W2)0.00 x CT 0° Lag
▼
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