GE 845 Instruction Manual page 468

FLEXLOGIC
ELEMENT OPERANDS
Security ROLE ADMIN ACT
ROLE OPERATOR ACT
ROLE OBSERVER ACT
Self-Test Error Any Minor Error
Any Major Error
Setpoint Access Setpoints Access OP
Setpoints Group Control Group 1 Active
Group 2 Active
...
Group 6 Active
Status Detection Xfmr Energized
Xfmr De-Energized
Not Configured
Switches SW[X] Opened
SW[X] Closed
SW[X] Intermittent
SW[X] Discrepancy
SW[X] Not Configured
Switch Control SW[X] Open Cmd
SW[X] Close Cmd
SW[X] Remote Open
SW[X] Remote Close
SW[X] Rem Blk Open
SW[X] Rem Blk Close
SW[X] Rem Blk Open Byp
SW[X] Rem Blk Close Byp
Synchrocheck Sync1 OK
Sync1 Live Bus
Sync1 Live Line
Sync1 Dead Bus
Sync1 Dead Line
Sync1 Dead Src OK
Sync1 Close Perm
Tab Pushbuttons TAB PB [X] ON
TAB PB [X] OFF
TAB PB [X] PRESS
Tap Changer Setup TC at Min Tap ON
TC at Ntrl Tap ON
TC at Max Tap ON
TC at Min Tap OFF
TC at Ntrl Tap OFF
TC at Max Tap OFF
Tap Changer Failure Tap Ch Fail PKP
Tap Ch Fail OP
Tap Ch Fail Alarm PKP
Tap Ch Fail Alarm OP
Targets Active Target
Trip Bus Trip Bus 1 PKP
Trip Bus 1 OP
Trip Bus 2 to 6
Trip Circuit Monitoring TripCoil Mon 1 PKP
TripCoil Mon 1 OP
Under-Frequency Underfreq 1 PKP
Underfreq 1 OP
Underfreq 2 to 4
Virtual Input 1 to 32 VI # ON
VI # OFF
4–340
EVENT DESCRIPTION
Administrator role is active and is set to true when that is the case
Operator role is active and is set to true when that is the case
Observer role is active and is set to true when that is the case
see the Relay Minor Self-Test errors table
see the Relay Major Self-Test errors table
An access to change setpoints has been granted
Setpoint group 1 is active
Setpoint group 2 is active
...
Setpoint group 6 is active
The Transformer is detected Energized
The Transformer is detected De-Energized
The Xfmr status detection is not configured
Disconnect Switch [X] state is detected opened
Disconnect Switch [X] state is detected closed
Intermittent state between 89a and 89b contacts programmed for SW[X]
during opening or closing
Discrepancy between 89a and 89b contact inputs programmed for SW[X]
is detected
No contact Input 89a or 89b is programmed to reflect the status of SW[X]
[X] - the element number. Note the operand name will change depending
on what is programmed.
Local or Remote Open command initiated to Switch [X]
Local or Remote Close command initiated to Switch [X]
Remote Open command is initiated to Switch [X]
Remote Close command is initiated to Switch [X]
The Open command to Switch [X] is blocked
The Close command to Switch [X] is blocked
The block open signal for Switch [X] is bypassed
The block close signal for Switch [X] is bypassed
[X] - the element number.
Synchrocheck 1 permission is given
Synchrocheck 1 bus voltage is live
Synchrocheck 1 line voltage is live
Synchrocheck 1 bus voltage is dead
Synchrocheck 1 line voltage is dead
Synchrocheck 1 dead source permission is given
Synchrocheck 1 breaker closing permission is given
Tab Pushbutton [X] is ON
Tab Pushbutton [X] is OFF
Tab Pushbutton [X] is Pressed Down
Tap Changer has reached Minimum Tap
Tap Changer has reached Neutral Tap
Tap Changer has reached Maximum Tap
Tap Changer position is not at Minimum Tap
Tap Changer position is not at Neutral Tap
Tap Changer position is not at Maximum Tap
Tap Changer Fail has picked up
Tap Changer Fail has operated
Tap Changer Failure Alarm has picked up
Tap Changer Failure Alarm has operated
At least one target is detected active
Asserted when the trip bus 1 element picks up
Asserted when the trip bus 1 element operates
The same set of operands as per Trip Bus 1
Trip Coil 1 Monitoring element has picked up.
Trip Coil 1 Monitoring element has operated for an amount of time greater
than the Close Circuit Monitor Pick-up Delay Time.
Underfrequency 1 has picked up
Underfrequency 1 has operated
The same set of operands as per Underfreq 1
# – any virtual input number
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS