User-Programmable Elements - GE F60 Instruction Manual

Ur series feeder protection system
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2.2 SPECIFICATIONS
INCIPIENT CABLE FAULT DETECTION
Principle:
Availability:
Pickup level:
Reset delay:
2
Operating mode:
SYNCHROCHECK
Max voltage difference: 0 to 400000 V in steps of 1
Max angle difference:
Max freq. difference:
Hysteresis for max. freq. diff.: 0.00 to 0.10 Hz in steps of 0.01
Dead source function:
AUTORECLOSURE
Single breaker applications, 3-pole tripping schemes
Up to 4 reclose attempts before lockout
Independent dead time setting before each shot
Possibility of changing protection settings after each shot with
FLEXLOGIC™
Programming language: Reverse Polish Notation with graphical
Lines of code:
Internal variables:
Supported operations:
Inputs:
Number of timers:
Pickup delay:
Dropout delay:
FLEXCURVES™
Number:
Reset points:
Operate points:
Time delay:
FLEX STATES
Number:
Programmability:
2-12
detection of ½ cycle or less overcurrent
condition during normal load
two per CT/VT module (not including 8Z
modules)
0.1 to 10.00 pu in steps of 0.01
0.000 to 65.535 s in steps of 0.001
number of counts, counts per time win-
dow
°
0 to 100
in steps of 1
0.00 to 2.00 Hz in steps of 0.01
None, LV1 & DV2, DV1 & LV2, DV1 or
DV2, DV1 xor DV2, DV1 & DV2
(L = Live, D = Dead)
FlexLogic™
visualization (keypad programmable)
512
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-domi-
nant), edge detectors, timers
any logical variable, contact, or virtual
input
32
0 to 60000 (ms, sec., min.) in steps of 1
0 to 60000 (ms, sec., min.) in steps of 1
4 (A through D)
40 (0 through 1 of pickup)
80 (1 through 20 of pickup)
0 to 65535 ms in steps of 1
up to 256 logical variables grouped
under 16 Modbus addresses
any logical variable, contact, or virtual
input
F60 Feeder Protection System
2 PRODUCT DESCRIPTION
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
THERMAL OVERLOAD PROTECTION
Thermal overload curves: IEC 255-8 curve
Base current:
0.20 to 3.00 pu in steps of 0.01
Overload (k) factor:
1.00 to 1.20 pu in steps of 0.05
Trip time constant:
0 to 1000 min. in steps of 1
Reset time constant:
0 to 1000 min. in steps of 1
Minimum reset time:
0 to 1000 min. in steps of 1
Timing accuracy (cold curve): ±100 ms or 2%, whichever is
greater
Timing accuracy (hot curve): ±500 ms or 2%, whichever is greater
for I
< 0.9 × k × I
p
TRIP BUS (TRIP WITHOUT FLEXLOGIC™)
Number of elements:
6
Number of inputs:
16
Operate time:
<2 ms at 60 Hz
Time accuracy:
±3% or 10 ms, whichever is greater

2.2.2 USER-PROGRAMMABLE ELEMENTS

FLEXELEMENTS™
Number of elements:
8
Operating signal:
any analog actual value, or two values in
differential mode
Operating signal mode: signed or absolute value
Operating mode:
level, delta
Comparator direction:
over, under
Pickup Level:
–90.000 to 90.000 pu in steps of 0.001
Hysteresis:
0.1 to 50.0% in steps of 0.1
Delta dt:
20 ms to 60 days
Pickup & dropout delay: 0.000 to 65.535 s in steps of 0.001
NON-VOLATILE LATCHES
Type:
set-dominant or reset-dominant
Number:
16 (individually programmed)
Output:
stored in non-volatile memory
Execution sequence:
as input prior to protection, control, and
FlexLogic™
USER-PROGRAMMABLE LEDs
Number:
48 plus trip and alarm
Programmability:
from any logical variable, contact, or vir-
tual input
Reset mode:
self-reset or latched
and I / (k × I
) > 1.1
b
b
GE Multilin

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