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KEYPAD AND DISPLAY
8-8
MIF Digital Feeder Protection
GEK-106273L
8.3
MAIN STRUCTURE
If the keypad is not in use, during steady state, the faceplate display shows the relay model identification
(MIF)
and a
series of actual values (Ia, Ib, Ic, IN and TH (Thermal Image)).
Figure 8.3. SCROLLING WHILE THE KEYPAD IS NOT USE
The relay can leave the steady state in two ways:
•
1
ST
WAY:
The
ENTER
key is pressed. The relay moves to the
ONE KEY OPERATION
mode:
The
ONE KEY OPERATION
menu allows the user to access the same information shown by the automatic scrolling
during steady state plus Date and Time and Last Trip Information (Function that tripped (LTU = Last Trip Unit),
Phases involved, and fault current value).
Figure 8.4. ONE KEY OPERATION MENU
The mnemonics used in the figure have the following meanings:
Ia
Phase A Current.
Ib
Phase B Current
Ic
Phase C Current
IN
Ground Current
Value (Ia
)
Phase A Current metering.
Value (Ib)
Phase B Current metering.
MIF
Ia
VALUE(Ia)
Ib
VALUE(Ib)
Ic
VALUE(Ic)
IN
VALUE(TH)
VALUE(IN)
TH
DATE & TIME
VALUE(function)
PH:-
LTU
VALUE
RESET
MIF
MIF Ia value Ib value Ic value IN value TH
value
DATE & TIME
Содержание GEK-106273L
Страница 19: ...GETTING STARTED 1 12 MIF Digital Feeder Protection GEK 106273L ...
Страница 95: ...SETTINGS 5 38 MIF Digital Feeder Protection GEK 106273L ...
Страница 101: ...I O CONFIGURATION 6 44 MIF Digital Feeder Protection GEK 106273L ...
Страница 127: ...KEYPAD AND DISPLAY 8 26 MIF Digital Feeder Protection GEK 106273L ...
Страница 147: ...INSTALLATION AND MAINTENANCE 10 2 MIF Digital Feeder Protection GEK 106273L ...
Страница 154: ...ANNEX 1 THERMAL IMAGE UNIT GEK 106273L MIF Digital Feeder Protection 11 7 Figure A 1 1 THERMAL CURVE FOR τ1 3 MINUTES ...
Страница 155: ...ANNEX 1 THERMAL IMAGE UNIT 11 8 MIF Digital Feeder Protection GEK 106273L Figure A 1 2 THERMAL CURVES FOR τ1 3 MIN ...
Страница 199: ...ANNEX 5 HARMONIC FILTERING 15 4 MIF Digital Feeder Protection GEK 106273L ...