Sel 411L - Figure 12.9 Screens During a Pole-Discrepancy Condition

P.12.18
SEL-411L Relay Protection Manual Date Code 20151029
Bay Control
Bay Control Front-Panel Operations
pole. You can operate the breaker from the pole discrepancy screen after the
discrepancy has been rectified. All other screens are the same as when you set
the relay to three-pole operations.
Figure 12.9 Screens During a Pole-Discrepancy Condition
Disconnect Switch Open/Close
Figure 12.10 (a) shows the disconnect control screens available when you
press the ENT pushbutton in the front-panel one-line screen, with the
disconnect switch highlighted. If the LOCAL Relay Word bit is asserted and
the disconnect switch is highlighted when you press the ENT pushbutton, the
disconnect control screen in Figure 12.10 (b) appears. Use the Up Arrow and
Down Arrow pushbuttons to navigate between the disconnect control functions
in Figure 12.10 (b). If the LOCAL Relay Word bit is not asserted when the
ENT pushbutton is pressed, the relay displays screen in Figure 12.10 (c) for
four seconds and then returns to the screen in Figure 12.10 (a).
(a) Bay Screen POLE DISCREPANCY
(1.5 seconds delay)
<BAYNAME>
TRIP BREAKER
CLOSE BREAKER
STATUS
<BkCTLNM>
PRESS TO ACTIVATE
(c) Discrepancy Screen
<BAYNAME>
TRIP BREAKER
BREAKER 1 STATUS
CLOSE BREAKER
POLE DISCREPANCY
A B C
OPEN CLOSED CLOSED
PRESS TO ACTIVATE
<BAYNAME>
HVBUSN1
HVBUSN2
NAVIG
I:99999 A
V:99999 kV
P:99999 MW
Q:99999 MV
(a) Bay Screen
<BAYNAME>
HVBUSN1
HVBUSN2
NAVIG
I:99999 A
V:99999 kV
P:99999 MW
Q:99999 MV
ESC