GE UR T60 Instruction Manual page 291

5 SETTINGS
Figure 5–69: PHASE DISTANCE ZONES 3 AND HIGHER OP SCHEME
D60, L60, and L90 only
FLEXLOGIC OPERANDS
OPEN POLE BLK AB
OPEN POLE BLK BC
OPEN POLE BLK CA
SETTING
PH DIST Z1 FUNCTION
Enabled = 1
Disabled = 0
AND
SETTING
PH DIST Z1 BLK
Off = 0
SETTING
DISTANCE SOURCE
IA-IB
IB-IC
IC-IA
VAG-VBG
VBG-VCG
VCG-VAG
VAB
VBC
VCA
V_1
I_1
GE Multilin
SETTINGS
PH DIST Z1 DIR
PH DIST Z1 SHAPE
PH DIST Z1 XFMR
VOL CONNECTION
PH DIST Z1 XFMR
CUR CONNECTION
PH DIST Z1 REACH
PH DIST Z1 RCA
PH DIST Z1 REV REACH
PH DIST Z1 REV REACH RCA
PH DIST Z1 COMP LIMIT
PH DIST Z1 QUAD RGT BLD
PH DIST Z1 QUAD RGT BLD RCA
PH DIST Z1 QUAD LFT BLD
PH DIST Z1 QUAD LFT BLD RCA
PH DIST Z1 VOLT LEVEL
RUN
A-B ELEMENT
RUN
B-C ELEMENT
RUN
C-A ELEMENT
MEMORY
TIMER
V_1 > 0.80 pu
1 cycle
OR
I_1 > 0.025 pu
SETTING
PHS DIST Z1 SUPV
RUN
| IA – IB | > 3 × Pickup
RUN
| IB – IC | > 3 × Pickup
RUN
| IC – IA | > 3 × Pickup
Figure 5–70: PHASE DISTANCE SCHEME LOGIC
T60 Transformer Protection System
Quadrilateral
characteristic only
1 cycle
FLEXLOGIC OPERAND
PH DIST Z1 SUPN IAB
FLEXLOGIC OPERAND
PH DIST Z1 SUPN IBC
FLEXLOGIC OPERAND
PH DIST Z1 SUPN ICA
5.6 GROUPED ELEMENTS
FLEXLOGIC OPERANDS
PH DIST Z1 PKP AB
AND
PH DIST Z1 DPO AB
FLEXLOGIC OPERANDS
PH DIST Z1 PKP BC
AND
PH DIST Z1 DPO BC
FLEXLOGIC OPERANDS
PH DIST Z1 PKP CA
AND
PH DIST Z1 DPO CA
FLEXLOGIC OPERAND
PH DIST Z1 PKP
OR
837002AL.CDR
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