GE T60, Instruction Manual

Page: 337 / 796

GE Multilin T60 Transformer Protection System 5-191
5 SETTINGS 5.6 GROUPED ELEMENTS
5
Figure 5–79: PHASE DISTANCE ZONES 3 AND HIGHER OP SCHEME
Figure 5–80: PHASE DISTANCE SCHEME LOGIC
OR
AND
AND
AND
OR
OR
OR
837020AA.CDR
** D60, L60, and L90 only.
FLEXLOGIC OPERAND
OPEN POLE OP **
FLEXLOGIC OPERAND
PH DIST Z3 PKP AB
FLEXLOGIC OPERAND
PH DIST Z3 PKP BC
FLEXLOGIC OPERAND
PH DIST Z3 PKP CA
TIMER
0 ms
20 ms
TIMER
0 ms
20 ms
TIMER
0 ms
20 ms
SETTING
PH DIST Z3 DELAY
T
PKP
0
SETTING
PH DIST Z3 DELAY
T
PKP
0
SETTING
PH DIST Z3 DELAY
T
PKP
0
FLEXLOGIC OPERAND
PH DIST Z3 OP AB
FLEXLOGIC OPERAND
PH DIST Z3 OP BC
FLEXLOGIC OPERAND
PH DIST Z3 OP CA
FLEXLOGIC OPERAND
PH DIST Z3 OP
837002AM.CDR
AND
AND
AND
OR
Quadrilateral
characteristic only
AND
OR
MEMORY
V_1 > 0.80 pu
I_1 > 0.025 pu
SETTING
Enabled = 1
PH DIST Z1 FUNCTION
SETTING
Off = 0
PH DIST Z1 BLK
SETTING
IA-IB
IB-IC
DISTANCE SOURCE
IC-IA
VAG-VBG
VBG-VCG
VCG-VAG
VAB
VBC
VCA
V_1
I_1
Wye
VT
s
Delta
VT
s
SETTINGS
PH DIST Z1 DIR
RUN
A-B ELEMENT
RUN
B-C ELEMENT
RUN
C-A ELEMENT
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
TIMER
1 cycle
1 cycle
SETTING
PHS DIST Z1 SUPV
RUN
| IA – IB | > 3 × Pickup
RUN
| IB – IC | > 3 × Pickup
RUN
| IC – IA | > 3 × Pickup
FLEXLOGIC OPERANDS
PH DIST Z1 PKP AB
PH DIST Z1 DPO AB
FLEXLOGIC OPERANDS
PH DIST Z1 PKP BC
PH DIST Z1 DPO BC
FLEXLOGIC OPERANDS
PH DIST Z1 PKP CA
PH DIST Z1 DPO CA
FLEXLOGIC OPERAND
PH DIST Z1 PKP
FLEXLOGIC OPERANDS
OPEN POLE BLK AB
OPEN POLE BLK BC
OPEN POLE BLK CA
D60, L60, and L90 only
FLEXLOGIC OPERAND
PH DIST Z1 SUPN IAB
FLEXLOGIC OPERAND
PH DIST Z1 SUPN IBC
FLEXLOGIC OPERAND
PH DIST Z1 SUPN ICA