GE T60 Instruction Manual page 40

SPECIFICATIONS
Characteristic angle:
Limit angle:
Right blinder (Quad only):
Reach:
Characteristic angle:
Left Blinder (Quad only):
Reach:
Characteristic angle:
2
Time delay:
Timer accuracy:
Current supervision:
Level:
Pickup:
Dropout:
Memory duration:
VT location:
CT location:
Voltage supervision pickup (series compensation applications):
Operation time:
Reset time:
GROUND DISTANCE
Characteristic:
Reactance polarization:
Non-homogeneity angle:
Number of zones:
Directionality:
Reach (secondary Ω):
Reach accuracy:
Zone 1:
Zones 2 to 5:
Distance characteristic angle:
Distance comparator limit angle:
Directional supervision:
Characteristic angle:
Limit angle:
Zero-sequence compensation
Z0/Z1 magnitude:
Z0/Z1 angle:
Zero-sequence mutual compensation
Z0M/Z1 magnitude:
Z0M/Z1 angle:
Right blinder (Quad only):
Reach:
Characteristic angle:
Left blinder (Quad only):
Reach:
Characteristic angle:
Time delay:
Timer accuracy:
Current supervision:
Level:
Pickup:
Dropout:
2-26
30 to 90° in steps of 1
30 to 90° in steps of 1
0.02 to 500 Ω in steps of 0.01
60 to 90° in steps of 1
0.02 to 500 Ω in steps of 0.01
60 to 90° in steps of 1
0.000 to 65.535 s in steps of 0.001
±3% of operate time or ±1/4 cycle (whichever is greater)
line-to-line current
0.050 to 30.000 pu in steps of 0.001
97 to 98%
5 to 25 cycles in steps of 1
all delta-wye and wye-delta transformers
all delta-wye and wye-delta transformers
0 to 5.000 pu in steps of 0.001
1 to 1.5 cycles (typical)
1 power cycle (typical)
Mho (memory polarized or offset) or Quad (memory polarized or non-directional), selectable indi-
vidually per zone
negative-sequence or zero-sequence current
–40 to 40° in steps of 1
5
forward, reverse, or non-directional per zone
0.02 to 500.00 Ω in steps of 0.01
±5% including the effect of CVT transients up to an SIR of 30 and ±7% for 30<SIR< 60 at RCA
angle
±5% for steady fault conditions
30 to 90° in steps of 1
30 to 90° in steps of 1
30 to 90° in steps of 1
30 to 90° in steps of 1
0.00 to 10.00 in steps of 0.01
–90 to 90° in steps of 1
0.00 to 7.00 in steps of 0.01
–90 to 90° in steps of 1
0.02 to 500 Ω in steps of 0.01
60 to 90° in steps of 1
0.02 to 500 Ω in steps of 0.01
60 to 90° in steps of 1
0.000 to 65.535 s in steps of 0.001
±3% of operate time or ±1/4 cycle (whichever is greater)
neutral current (3I_0)
0.050 to 30.000 pu in steps of 0.001
97 to 98%
T60 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: PRODUCT DESCRIPTION