GE L90 Instruction Manual page 283

5 SETTINGS
SETTING
Distance Source
= V_0
= I_0
Figure 5–74: GROUND DIRECTIONAL SUPERVISION SCHEME LOGIC
PATH: SETTINGS GROUPED ELEMENTS
POWER SWING
DETECT
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
GE Multilin
V_0 > 5 volts
RUN
OR
Zero-sequence
directional characteristic
t
FLEXLOGIC OPERAND
OPEN POLE OP
Co-ordinating time:
pickup = 1.0 cycle, reset = 1.0 cycle
SETTING GROUP 1(6) POWER SWING DETECT
POWER SWING
FUNCTION: Disabled
POWER SWING
SOURCE: SRC 1
POWER SWING
SHAPE: Mho Shape
POWER SWING
MODE: Two Step
POWER SWING
SUPV: 0.600 pu
POWER SWING FWD
REACH: 50.00 Ω
POWER SWING QUAD FWD
REACH MID: 60.00 Ω
POWER SWING QUAD FWD
REACH OUT: 70.00 Ω
POWER SWING FWD
RCA: 75°
POWER SWING REV
REACH: 50.00 Ω
POWER SWING QUAD REV
REACH MID: 60.00 Ω
POWER SWING QUAD REV
REACH OUT: 70.00 Ω
POWER SWING REV
RCA: 75°
POWER SWING OUTER
LIMIT ANGLE: 120°
POWER SWING MIDDLE
LIMIT ANGLE: 90°
POWER SWING INNER
LIMIT ANGLE: 60°
L90 Line Current Differential System
5.6 GROUPED ELEMENTS
FLEXLOGIC OPERAND
TIMER
GND DIST Z2 DIR SUPN
AND
pickup
t
reset
5.6.6 POWER SWING DETECT
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: Mho Shape, Quad Shape
Range: Two Step, Three Step
Range: 0.050 to 30.000 pu in steps of 0.001
Range: 0.10 to 500.00 ohms in steps of 0.01
Range: 0.10 to 500.00 ohms in steps of 0.01
Range: 0.10 to 500.00 ohms in steps of 0.01
Range: 40 to 90° in steps of 1
Range: 0.10 to 500.00 ohms in steps of 0.01
Range: 0.10 to 500.00 ohms in steps of 0.01
Range: 0.10 to 500.00 ohms in steps of 0.01
Range: 40 to 90° in steps of 1
Range: 40 to 140° in steps of 1
Range: 40 to 140° in steps of 1
Range: 40 to 140° in steps of 1
837009A7.CDR
5
5-147