GE G60

GE Multilin G60 Generator Protection System 5-161
5 SETTINGS 5.6 GROUPED ELEMENTS
5
Figure 5–65: MEMORY VOLTAGE LOGIC
b) PHASE DISTANCE
PATH: SETTINGS  GROUPED ELEMENTS  SETTING GROUP 1(6)  DISTANCE  PHASE DISTANCE Z1(Z3)
 PHASE DISTANCE Z1

PHS DIST Z1
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
PHS DIST Z1 DIR:
Forward
Range: Forward, Reverse, Non-directional
MESSAGE
PHS DIST Z1
SHAPE: Mho
Range: Mho. This value is fixed and cannot be changed.
MESSAGE
PHS DIST Z1 XFMR VOL
CONNECTION: None
Range: None, Dy1, Dy3, Dy5, Dy7, Dy9, Dy11, Yd1, Yd3,
Yd5, Yd7, Yd9, Yd11
MESSAGE
PHS DIST Z1 XFMR CUR
CONNECTION: None
Range: None, Dy1, Dy3, Dy5, Dy7, Dy9, Dy11, Yd1, Yd3,
Yd5, Yd7, Yd9, Yd11
MESSAGE
PHS DIST Z1
REACH: 2.00 ohms
Range: 0.02 to 500.00 ohms in steps of 0.01
MESSAGE
PHS DIST Z1
RCA: 85°
Range: 30 to 90° in steps of 1
MESSAGE
PHS DIST Z1 REV
REACH: 2.00 ohms
Range: 0.02 to 500.00 ohms in steps of 0.01
MESSAGE
PHS DIST Z1 REV
REACH RCA: 85°
Range: 30 to 90° in steps of 1
MESSAGE
PHS DIST Z1
COMP LIMIT: 90°
Range: 30 to 90° in steps of 1
MESSAGE
PHS DIST Z1
DIR RCA: 85°
Range: 30 to 90° in steps of 1
MESSAGE
PHS DIST Z1
DIR COMP LIMIT: 90°
Range: 30 to 90° in steps of 1
MESSAGE
PHS DIST Z1
SUPV: 0.200 pu
Range: 0.050 to 30.000 pu in steps of 0.001
MESSAGE
PHS DIST Z1 VOLT
LEVEL: 0.000 pu
Range: 0.000 to 5.000 pu in steps of 0.001
MESSAGE
PHS DIST Z1
DELAY: 0.000 s
Range: 0.000 to 65.535 s in steps of 0.001
827842A9.CDR
Use V_1
Use V_1 memory
AND
AND
OR
AND
AND
S Q
R
RUN
Update memory
SETTING
Off = 0
Force Memory Polarization
| V_1 | < 1.15 pu
| Vrms – | V | | < Vrms / 8
| Vrms – | V | | < Vrms / 8
| Vrms – | V | | < Vrms / 8
| V_1 | > 0.80 pu
| IA | < 0.05 pu
| IB | < 0.05 pu
SETTING
Off = 0
Force Self Polarization
SETTING
= VA, Vrms_A
= VB, Vrms_B
Distance Source
= VC, Vrms_C
= V_1
= IA
= IB
= IC
| IC | < 0.05 pu
| V_1 | < 0.10 pu
TIMER
5 cycles
0
TIMER
6 cycles
0
AND
AND
OR
SETTING
Memory duration
0
T
reset
Tracking Freq, *SRCx Freq
= IC
| f - f | > 1 Hz
TRACK SRC
*SRCx is the source used in distance
L90 Only