User Programmable Elements - GE D60 Instruction Manual

Line distance protection system ur series
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2 PRODUCT DESCRIPTION
OPEN POLE DETECTOR
Functionality:
Detects an open pole condition, monitor-
ing breaker auxiliary contacts, the cur-
rent in each phase and optional voltages
on the line
Current pickup level:
0.000 to 30.000 pu in steps of 0.001
Line capacitive reactances (X
, X
C1
steps of 0.1
Remote current pickup level: 0.000 to 30.000 pu in steps of 0.001
Current dropout level:
pickup + 3%, not less than 0.05 pu
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
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
GE Multilin
): 300.0 to 9999.9 sec.  in
C0
D60 Line Distance Protection System
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

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
LED TEST
Initiation:
from any digital input or user-program-
mable condition
Number of tests:
3, interruptible at any time
Duration of full test:
approximately 3 minutes
Test sequence 1:
all LEDs on
Test sequence 2:
all LEDs off, one LED at a time on for 1 s
Test sequence 3:
all LEDs on, one LED at a time off for 1 s
USER-DEFINABLE DISPLAYS
Number of displays:
16
2  20 alphanumeric characters
Lines of display:
Parameters:
up to 5, any Modbus register addresses
Invoking and scrolling:
keypad, or any user-programmable con-
dition, including pushbuttons
CONTROL PUSHBUTTONS
Number of pushbuttons: 7
Operation:
drive FlexLogic operands
2.2 SPECIFICATIONS
2
and I / (k × I
) > 1.1
b
b
2-15

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