User-Programmable Elements - GE D60 Instruction Manual
Line distance protection system
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Also See for D60:
- Instruction manual (826 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (780 pages)
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CHAPTER 2: PRODUCT DESCRIPTION
Current supervision:
Pickup level:
Dropout level:
Fwd / reverse reach (sec. Ω):
Left and right blinders (sec. Ω):
Impedance accuracy:
Fwd / reverse angle impedances:
Angle accuracy:
Characteristic limit angles:
Timers:
Timer accuracy:
LOAD ENCROACHMENT
Responds to:
Minimum voltage:
Reach (sec. Ω):
Impedance accuracy:
Angle:
Angle accuracy:
Pickup delay:
Reset delay:
Timer accuracy:
Operate time:
OPEN POLE DETECTOR
Functionality:
Current pickup level:
Line capacitive reactances (X
, X
C1
Remote current pickup level:
Current dropout level:
THERMAL OVERLOAD PROTECTION
Thermal overload curves:
Base current:
Overload (k) factor:
Trip time constant:
Reset time constant:
Minimum reset time:
Timer accuracy (cold curve):
Timer accuracy (hot curve):
TRIP BUS (TRIP WITHOUT FLEXLOGIC)
Number of elements:
Number of inputs:
Operate time:
Timer accuracy:
2.5.2 User-programmable elements
FLEXLOGIC
Programming language:
Lines of code:
Internal variables:
D60 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
0.050 to 30.000 pu in steps of 0.001
97 to 98% of pickup
0.10 to 500.00 Ω in steps of 0.01
0.10 to 500.00 Ω in steps of 0.01
±5%
40 to 90° in steps of 1
±2°
40 to 140° 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)
Positive-sequence quantities
0.004 to 3.000 pu in steps of 0.001
0.02 to 250.00 Ω in steps of 0.01
±5%
5 to 50° in steps of 1
±2°
0 to 65.535 s in steps of 0.001
0 to 65.535 s in steps of 0.001
±3% of operate time or ±1/4 cycle (whichever is greater)
<30 ms at 60 Hz
Detects an open pole condition, monitoring breaker auxiliary contacts, the current in each
phase, and optional voltages on the line
0.020 to 30.000 pu in steps of 0.001
):
300.0 to 9999.9 sec. Ω in steps of 0.1
C0
0.000 to 30.000 pu in steps of 0.001
pickup + 3%, not less than 0.05 pu
IEC 255-8 curve
0.20 to 3.00 pu in steps of 0.01
1.00 to 1.20 pu in steps of 0.05
0 to 1000 min. in steps of 1
0 to 1000 min. in steps of 1
0 to 1000 min. in steps of 1
±100 ms or 2%, whichever is greater
±500 ms or 2%, whichever is greater for I
6
16
<2 ms at 60 Hz
±3% or 10 ms, whichever is greater
Reverse Polish Notation with graphical visualization (keypad programmable)
1024
64
< 0.9 × k × I
and I / (k × I
) > 1.1
p
b
b
SPECIFICATIONS
2
2-29
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