GE D30 Instruction Manual page 29

CHAPTER 2: PRODUCT DESCRIPTION
GROUND DISTANCE
Characteristic:
Reactance polarization:
Non-homogeneity angle:
Number of zones:
Directionality:
Reach (secondary Ω):
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:
Memory duration:
Voltage supervision pickup (series compensation applications):
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
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
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%
5 to 25 cycles in steps of 1
0 to 5.000 pu in steps of 0.001
SPECIFICATIONS
2
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