Ground Directional Supervision Scheme Logic - GE T60 Instruction Manual

5 SETTINGS
SETTING
Distance Source
= V_0
= I_0
Figure 5–89: 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
GE Multilin
V_0 > 5 volts
RUN
OR
Zero-sequence
directional characteristic
FLEXLOGIC OPERAND
OPEN POLE OP

SETTING GROUP 1(6)
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 SW I2 SUPV ENAB:
Off
POWER SWING
I2 SUPV: 0.2 pu
POWER SWING FWD
REACH: 50.00 
POWER SWING QUAD FWD
REACH MID: 60.00 
POWER SWING QUAD FWD
REACH OUT: 70.00 
POWER SWING FWD
RCA: 75°
POWER SWING REV
REACH: 50.00 
POWER SWING QUAD REV
REACH MID: 60.00 
POWER SWING QUAD REV
REACH OUT: 70.00 
POWER SWING REV
RCA: 75°
T60 Transformer Protection System
5.6 GROUPED ELEMENTS
TIMER
AND
t
pickup
t
reset
Co-ordinating time:
pickup = 1.0 cycle, reset = 1.0 cycle
5.6.4 POWER SWING DETECT

POWER SWING DETECT
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: Mho Shape, Quad Shape
Range: Two Step, Three Step
Range: 0.050 to 30.000 pu in steps of 0.001
Range: FlexLogic operand
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
FLEXLOGIC OPERAND
5
GND DIST Z2 DIR SUPN
837009A7.CDR
5-201