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GE Multilin
L60 Line Phase Comparison Relay
2-11
2 PRODUCT DESCRIPTION
2.2 SPECIFICATIONS
2
PILOT-AIDED SCHEMES
Permissive Overreaching Transfer Trip (POTT)
TRIP OUTPUT
Collects trip and reclose input requests and issues outputs to con-
trol tripping and reclosing.
Communications timer delay: 0 to 65535 s in steps of 0.001
Evolving fault timer:
0.000 to 65.535 s in steps of 0.001
Timing accuracy:
±3% or 4 ms, whichever is greater
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
OPEN POLE DETECTOR
Detects an open pole condition, monitoring breaker auxiliary con-
tacts, the current 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
C
1
,
X
C
0
): 300.0 to 9999.9 sec.
Ω
in
steps of 0.1
Remote current pickup level: 0.000 to 30.000 pu in steps of 0.001
Current dropout level:
3%, not less than 0.05 pu
2.2.2 USER-PROGRAMMABLE ELEMENTS
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
dominant), 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:
–30.000 to 30.000 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
Содержание L60
Страница 2: ......
Страница 4: ......
Страница 24: ...1 14 L60 Line Phase Comparison Relay GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1...
Страница 42: ...2 18 L60 Line Phase Comparison Relay GE Multilin 2 2 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2...
Страница 78: ...3 36 L60 Line Phase Comparison Relay GE Multilin 3 3 DIRECT INPUT OUTPUT COMMUNICATIONS 3 HARDWARE 3...
Страница 368: ...8 28 L60 Line Phase Comparison Relay GE Multilin 8 2 SINGLE POLE TRIPPING 8 THEORY OF OPERATION 8...
Страница 470: ...D 10 L60 Line Phase Comparison Relay GE Multilin D 1 PROTOCOL APPENDIXD D...
Страница 482: ...E 12 L60 Line Phase Comparison Relay GE Multilin E 2 DNP POINT LISTS APPENDIXE E...
Страница 498: ...x L60 Line Phase Comparison Relay GE Multilin INDEX Z ZERO SEQUENCE CORE BALANCE 3 9...