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User-programmable Elements - GE L60 Instruction Manual

Line phase comparison system, ur series.
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2 PRODUCT DESCRIPTION
POWER SWING DETECT
Functions:
Power swing block, Out-of-step trip
Characteristic:
Mho or Quad
Measured impedance:
Positive-sequence
Blocking / tripping modes: 2-step or 3-step
Tripping mode:
Early or Delayed
Current supervision:
Pickup level:
0.050 to 30.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Fwd / reverse reach (sec. Ω): 0.10 to 500.00 Ω in steps of 0.01
Left and right blinders (sec. Ω): 0.10 to 500.00 Ω in steps of 0.01
Impedance accuracy:
±5%
Fwd / reverse angle impedances: 40 to 90° in steps of 1
Angle accuracy:
±2°
Characteristic limit angles: 40 to 140° in steps of 1
Timers:
0.000 to 65.535 s in steps of 0.001
Timing accuracy:
±3% or 4 ms, whichever is greater
LOAD ENCROACHMENT
Responds to:
Positive-sequence quantities
Minimum voltage:
0.000 to 3.000 pu in steps of 0.001
Reach (sec. Ω):
0.02 to 250.00 Ω in steps of 0.01
Impedance accuracy:
±5%
Angle:
5 to 50° in steps of 1
Angle accuracy:
±2°
Pickup delay:
0 to 65.535 s in steps of 0.001
Reset delay:
0 to 65.535 s in steps of 0.001
Time accuracy:
±3% or ±4 ms, whichever is greater
Operate time:
< 30 ms at 60 Hz
FLEXLOGIC™
Programming language: Reverse Polish Notation with graphical
visualization (keypad programmable)
Lines of code:
512
Internal variables:
64
Supported operations:
NOT, XOR, OR (2 to 16 inputs), AND (2
to 16 inputs), NOR (2 to 16 inputs),
NAND (2 to 16 inputs), latch (reset-domi-
nant), edge detectors, timers
Inputs:
any logical variable, contact, or virtual
input
Number of timers:
32
Pickup delay:
0 to 60000 (ms, sec., min.) in steps of 1
Dropout delay:
0 to 60000 (ms, sec., min.) in steps of 1
FLEXCURVES™
Number:
4 (A through D)
Reset points:
40 (0 through 1 of pickup)
Operate points:
80 (1 through 20 of pickup)
Time delay:
0 to 65535 ms in steps of 1
FLEX STATES
Number:
up to 256 logical variables grouped
under 16 Modbus addresses
Programmability:
any logical variable, contact, or virtual
input
GE Multilin
OPEN POLE DETECTOR
Functionality:
Current pickup level:
Line capacitive reactances (X
Remote current pickup level: 0.000 to 30.000 pu in steps of 0.001
Current dropout level:
THERMAL OVERLOAD PROTECTION
Thermal overload curves: IEC 255-8 curve
Base current:
Overload (k) factor:
Trip time constant:
Reset time constant:
Minimum reset time:
Timing accuracy (cold curve): ±100 ms or 2%, whichever is
Timing accuracy (hot curve): ±500 ms or 2%, whichever is greater
TRIP BUS (TRIP WITHOUT FLEXLOGIC™)
Number of elements:
Number of inputs:
Operate time:
Time accuracy:
FLEXELEMENTS™
Number of elements:
Operating signal:
Operating signal mode: signed or absolute value
Operating mode:
Comparator direction:
Pickup Level:
Hysteresis:
Delta dt:
Pickup & dropout delay: 0.000 to 65.535 s in steps of 0.001
NON-VOLATILE LATCHES
Type:
Number:
Output:
Execution sequence:
USER-PROGRAMMABLE LEDs
Number:
Programmability:
Reset mode:
L60 Line Phase Comparison System
2.2 SPECIFICATIONS
Detects an open pole condition, monitor-
ing breaker auxiliary contacts, the cur-
rent in each phase and optional voltages
on the line
0.000 to 30.000 pu in steps of 0.001
, X
): 300.0 to 9999.9 sec. Ω in
C1
C0
steps of 0.1
pickup + 3%, not less than 0.05 pu
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
greater
for I
< 0.9 × k × I
and I / (k × I
p
b
6
16
<2 ms at 60 Hz
±3% or 10 ms, whichever is greater

2.2.2 USER-PROGRAMMABLE ELEMENTS

8
any analog actual value, or two values in
differential mode
level, delta
over, under
–90.000 to 90.000 pu in steps of 0.001
0.1 to 50.0% in steps of 0.1
20 ms to 60 days
set-dominant or reset-dominant
16 (individually programmed)
stored in non-volatile memory
as input prior to protection, control, and
FlexLogic™
48 plus trip and alarm
from any logical variable, contact, or vir-
tual input
self-reset or latched
2
) > 1.1
b
2-13

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