GE Multilin L60, Instruction Manual

Page: 359 / 752

GE Multilin L60 Line Phase Comparison System 5-229
5 SETTINGS 5.5 GROUPED ELEMENTS
5
Figure 5–110: SINGLE-POLE BREAKER FAILURE, INITIATE
AND
OR
OR
OR
OR
OR
AND
OR
OR
OR
OR
OR
OR
AND
AND
AND
AND
AND
AND
Seal-in path
Seal-in path
Seal-in path
to breaker failure
single-pole logic sheet 3
Function
SETTINGS
Enabled = 1
Block
Off = 0
Phase A Initiate
SETTING
Off = 0
Phase B Initiate
SETTING
Off = 0
Three-Pole Initiate
SETTING
Off = 0
Use Seal-In
SETTING
Yes = 1
No = 0
Use Current Supervision
SETTING
Yes = 1
No = 0
Phase C Initiate
SETTING
Off = 0
Source
SETTING
IA
IB
IC
SETTING
RUN
IC ≥ Pickup
RUN
IA Pickup ≥
RUN
IB ≥ Pickup
Initiated phase A
to breaker failure
single-pole logic sheet 2
BKR FAIL 1 RETRIP A
FLEXLOGIC OPERAND
Initiated
to breaker failure
single-pole logic sheet 2
TRIP PHASE C
FLEXLOGIC OPERAND
Phase Current
Supervision Pickup
SETTING
Initiated phase B
to breaker failure
single-pole logic sheet 2
BKR FAIL 1 RETRIP B
FLEXLOGIC OPERAND
Initiated phase C
to breaker failure
single-pole logic sheet 2
BKR FAIL 1 RETRIP C
FLEXLOGIC OPERAND
OR
from the trip output element
from the trip output element
TRIP PHASE B
FLEXLOGIC OPERAND
TRIP 3-POLE
FLEXLOGIC OPERAND
TRIP PHASE A
FLEXLOGIC OPERAND
from the trip output element
from the trip output element
827069A9.CDR
IA
IB
IC