5-320 D60 Line Distance Protection System GE Multilin
5.7 CONTROL ELEMENTS 5 SETTINGS
5
5.7.14 PILOT SCHEMES
a) MAIN MENU
PATH: SETTINGS CONTROL ELEMENTS PILOT SCHEMES
This menu allows selecting and configuring protection signaling schemes. All schemes are available for single-pole tripping
applications and can be used with one, two, or four-bit communications channels. Choices of communications channel
include Remote Inputs/Outputs and telecommunications interfaces.
For more information, see the Theory of Operation and Application of Settings chapters
b) DIRECT UNDER-REACHING TRANSFER TRIP (DUTT)
PATH: SETTINGS CONTROL ELEMENTS PILOT SCHEMES DUTT SCHEME
PILOT SCHEMES
DUTT SCHEME
See page 5–320.
MESSAGE
PUTT SCHEME
See page 5–323.
MESSAGE
POTT SCHEME
See page 5–325.
MESSAGE
POTT1 SCHEME
See page 5–329.
MESSAGE
HYBRID POTT SCHEME
See page 5–331.
MESSAGE
BLOCKING SCHEME
See page 5–335.
MESSAGE
BLOCKING1 SCHEME
See page 5–339.
MESSAGE
DCUB SCHEME
See page 5–341.
DUTT SCHEME
DUTT SCHEME
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
DUTT SCHEME BLOCK:
Off
Range: FlexLogic operand
MESSAGE
DUTT SEAL-IN
DELAY: 0.010 s
Range: 0.000 to 65.535 s in steps of 0.001
MESSAGE
DUTT NO OF COMM
BITS: 1
Range: 1, 2, or 4
MESSAGE
DUTT RX1:
Off
Range: FlexLogic operand
MESSAGE
DUTT RX2:
Off
Range: FlexLogic operand
MESSAGE
DUTT RX3:
Off
Range: FlexLogic operand
MESSAGE
DUTT RX4:
Off
Range: FlexLogic operand
MESSAGE
DUTT SCHEME TARGET:
Self-Reset
Range: Self-Reset, Latched, Disabled