Event Records; Oscillography - GE L90 Instruction Manual

6 ACTUAL VALUES
Since the fault locator algorithm is based on the single-end measurement method, in 3-terminal configura-
tion the estimation of fault location may not be correct at all 3 terminals especially if fault occurs behind
the line's tap respective to the given relay.
NOTE
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PATH: ACTUAL VALUES RECORDS

# EVENT RECORDS

#
MESSAGE
MESSAGE
MESSAGE
The Event Records menu shows the contextual data associated with up to the last 1024 events, listed in chronological
order from most recent to oldest. If all 1024 event records have been filled, the oldest record will be removed as a new
record is added. Each event record shows the event identifier/sequence number, cause, and date/time stamp associated
with the event trigger. Refer to the
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PATH: ACTUAL VALUES RECORDS

# OSCILLOGRAPHY

#
MESSAGE
MESSAGE
MESSAGE
MESSAGE
This menu allows the user to view the number of triggers involved and number of oscillography traces available. The
'cycles per record' value is calculated to account for the fixed amount of data storage for oscillography. See the Oscillogra-
phy section of Chapter 5 for further details.
A trigger can be forced here at any time by setting "Yes" to the
menu for clearing the oscillography records.
CLEAR RECORDS
GE Multilin
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EVENT RECORDS
EVENT: XXXX
RESET OP(PUSHBUTTON)
↓
EVENT: 3
POWER ON
EVENT: 2
POWER OFF
EVENT: 1
EVENTS CLEARED
"
COMMANDS CLEAR RECORDS
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OSCILLOGRAPHY
FORCE TRIGGER?
No
NUMBER OF TRIGGERS:
0
AVAILABLE RECORDS:
0
CYCLES PER RECORD:
0.0
LAST CLEARED DATE:
2000/07/14 015:40:16
L90 Line Differential Relay
EVENT 3
DATE: 2000/07/14
EVENT 3
TIME: 14:53:00.03405
Date and Time Stamps
menu for clearing event records.
Range: No, Yes
command. Refer to the
FORCE TRIGGER?
6.4 RECORDS
6.4.2 EVENT RECORDS
6.4.3 OSCILLOGRAPHY
6
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COMMANDS
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