User-Programmable Elements - GE D60 Instruction Manual

Line distance protection system
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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:
Supported operations:
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
NOT, XOR, OR (2 to 16 inputs), AND (2 to 16 inputs), NOR (2 to 16 inputs), NAND (2 to 16 inputs),
latch (reset-dominant), edge detectors, timers
< 0.9 × k × I
and I / (k × I
) > 1.1
p
b
b
SPECIFICATIONS
2
2-29

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