User-Programmable Elements - GE Multilin g60 Instruction Manual
Ur series generator protection system
Hide thumbs
Also See for Multilin g60:
- Instruction manual (780 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (430 pages)
Table of Contents
Advertisement
2.2 SPECIFICATIONS
LOSS OF EXCITATION
Operating condition:
Characteristic:
Center:
Radius:
Reach accuracy:
Undervoltage supervision
2
Level:
Accuracy:
Pickup delay:
Timing accuracy:
Operate time:
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
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:
2-14
Positive-sequence impedance
2 independent offset mho circles
0.10 to 300.0 (sec.) in steps of 0.01
0.10 to 300.0 (sec.) in steps of 0.01
±3%
0.000 to 1.250 pu in steps of 0.001
±0.5% of reading from 10 to 208 V
0 to 65.535 s in steps of 0.001
±3% or ±20 ms, whichever is greater
<50 ms
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
) > 1.1
p
b
b
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
G60 Generator Protection System
2 PRODUCT DESCRIPTION
RTD PROTECTION
Pickup:
1 to 249°C in steps of 1
Dropout level:
2°C of pickup
Timing accuracy:
<1 s
Elements:
trip and alarm
REMOTE RTD PROTECTION
Pickup level:
1 to 200°C
Dropout level:
2°C of pickup
Time delay:
<10 s
Elements:
trip and alarm
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:
16
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
GE Multilin
Advertisement
Table of Contents
