User-Programmable Elements - GE L60 Instruction Manual

2 PRODUCT DESCRIPTION
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
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
GE Multilin
LOAD ENCROACHMENT
Responds to:
Minimum voltage:
Reach (sec. Ω):
Impedance accuracy:
Angle:
Angle accuracy:
Pickup delay:
Reset delay:
Time accuracy:
Operate time:
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:
Line capacitive reactances (X
Remote current pickup level: 0.000 to 30.000 pu in steps of 0.001
Current dropout level:
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 Relay
2.2 SPECIFICATIONS
Positive-sequence quantities
0.000 to 3.000 pu in steps of 0.001
0.02 to 250.00 Ω in steps of 0.01
±5%
5 to 50° in steps of 1
±2°
0 to 65.535 s in steps of 0.001
0 to 65.535 s in steps of 0.001
±3% or ±4 ms, whichever is greater
< 30 ms at 60 Hz
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

2.2.2 USER-PROGRAMMABLE ELEMENTS

8
any analog actual value, or two values in
differential mode
Level, Delta
Over, Under
–30.000 to 30.000 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
2-11