8. KEYBOARD AND DISPLAY
GEK-106168E
DBF Breaker Failure Protection
43
8.2. SETTINGS GROUP (SET KEY)
This group allows to see and modify the DBF settings. It is accessed by pressing the SET key when the DBF is in
steady state. When the SET key is pressed the following message appears on the screen:
VIEW SETTINGS
PROTECTION
When the UP/DOWN arrows are pressed the message changes to:
MODIFY SETTINGS
PROTECTION
And the last UP/DOWN action gives:
MODIFY COUNTERS
PROTECTION
For the above windows, the menu tree is shown in the following tables. Note that to go down a level in the tree the
ENT key must be pressed, and the CLR key to go up
Level 1
Level 2
Level 3
Level 4
RELAY STATUS
In/Out of service
IDENTIFICAT
20 characters
FREQUENCY
50 – 60 Hz
PHASE CT RATIO
1-4000
GENERAL SETTINGS
GROUND CT RATIO
1-4000
BREAKER NUMBER
4 digits
KI2t OP. MODE
Fixed / Measuring
KI2t INT TIME
0.03 - 0.25 s
BREAKER SETTINGS
KI2t LIMIT
1 – 999999 kA2s
ACTIVE
TABLE SET
ACTIVE TABLE
1 –3
PREFAULT CYCLES
0-4
PICKUP
ENABLE/DISABLE
1
st
STAGE TRIP
ENABLE/DISABLE
2
nd
STAGE TRIP
ENABLE/DISABLE
INTERNAL ARC
ENABLE/DISABLE
50BF A TRIP
ENABLE/DISABLE
50BF B TRIP
ENABLE/DISABLE
50BF C TRIP
ENABLE/DISABLE
50BF 3P TRIP
ENABLE/DISABLE
EXTERNAL TRIGGER
ENABLE/DISABLE
COMM. TRIGGER
ENABLE/DISABLE
HI-SET A PICKUP
ENABLE/DISABLE
HI-SET B PICKUP
ENABLE/DISABLE
HI-SET C PICKUP
ENABLE/DISABLE
50BF A INIT
ENABLE/DISABLE
50BF B INIT
ENABLE/DISABLE
50BF C INIT
ENABLE/DISABLE
LO-SET A PICKUP
ENABLE/DISABLE
LO-SET B PICKUP
ENABLE/DISABLE
LO-SET C PICKUP
ENABLE/DISABLE
3 POLE 50BF INIT
ENABLE/DISABLE
NEUTRAL PICKUP
ENABLE/DISABLE
ARC A PICKUP
ENABLE/DISABLE
VIEW
PRO
T
ECT
IO
N
SET
T
ING
S
O
S
CILLO
S
M
ASK
ARC B PICKUP
ENABLE/DISABLE
ARC C PICKUP
ENABLE/DISABLE
Summary of Contents for DBF
Page 3: ......
Page 7: ...LIST OF FIGURES iv DBF Breaker Failure Protection GEK 106168E ...
Page 27: ...3 SETTINGS 20 DBF Breaker Failure Protection GEK 106168E ...
Page 31: ...4 TECHNICAL CHARACTERISTICS 24 DBF Breaker Failure Protection GEK 106168E ...
Page 45: ...6 ACCEPTANCE TESTS 38 DBF Breaker Failure Protection GEK 106168E ...
Page 47: ...7 INSTALLATION AND MAINTENANCE 40 DBF Breaker Failure Protection GEK 106168E ...
Page 57: ...8 KEYBOARD AND DISPLAY 50 DBF Breaker Failure Protection GEK 106168E ...
Page 58: ...FIGURES GEK 106168E DBF Breaker Failure Protection 51 FIGURES FIGURES FIGURES FIGURES ...
Page 61: ...FIGURES 54 DBF Breaker Failure Protection GEK 106168E FIGURE 3 FRONT VIEW 226B7412 H9 ...
Page 62: ...FIGURES GEK 106168E DBF Breaker Failure Protection 55 FIGURE 4 REAR VIEW 226B7412H10 ...
Page 63: ...FIGURES 56 DBF Breaker Failure Protection GEK 106168E FIGURE 5 DIMENSIONS DIAGRAM 226B6086H10 ...
Page 64: ...FIGURES GEK 106168E DBF Breaker Failure Protection 57 FIGURE 6 PANEL DRILLING 226B6086H10 ...