GE L90 Instruction Manual page 380

5.7 CONTROL ELEMENTS
SETTING
Function
= Enabled
= Disabled
Block
= Off
SETTING
Voltage Supervision
= Enabled
= Disabled
SETTING
Distance Source
= IA
= IB
= IC
= VAG
= VBG
= VCG
SETTINGS
Open Pole Line XC1
Open Pole Line XC0
Charging current
calculations
5
Charging
current
calculatoins
SETTING
Open Pole Detection
= Iand V and CBaux
= I and V only
5-244
AND
SETTING
Current Pickup
RUN
IA < Pickup
IB < Pickup
IC < Pickup
CALCULATE
AND
RUN
Voltage
supervision
calculations
VAG > 0.7 pu
VBG > 0.7 pu
VCG > 0.7 pu
FLEXLOGIC OPERANDS
BREAKER 1 ФA CLSD
BREAKER 1 B CLSD Ф
BREAKER 1 C CLSD Ф
FLEXLOGIC OPERANDS
BREAKER 1 OOS
BREAKER 1 CLOSED
OR
BREAKER 1 OPEN POLE
FLEXLOGIC OPERANDS
BREAKER 2 ФA CLSD
BREAKER 2 B CLSD Ф
BREAKER 2 C CLSD Ф
FLEXLOGIC OPERANDS
BREAKER 2 OOS
BREAKER 2 CLOSED
OR
BREAKER 2 OPEN POLE
SETTING
Open Pole Rem Current Pkp
RUN
IA remote < Pickup
IB remote < Pickup
IC remote < Pickup
Figure 5–135: OPEN POLE DETECTOR LOGIC (Sheet 1 of 2)
L90 Line Current Differential System
AND
AND
AND
AND
AND
AND
OR
OR
OR
OR
OR
OR
OR
OR
TIMERS
2 cycles
2 cycles
2 cycles
2 cycles
2 cycles
2 cycles
5 SETTINGS
to open pole logic sheet 2
ENABLED
to the trip output scheme
FLEXLOGIC OPERANDS
OPEN POLE I< A Φ
OPEN POLE I< B Φ
OPEN POLE I< C Φ
to open pole logic sheet 2
PHASE A
OR
AND
to open pole logic sheet 2
OR PHASE B
AND
to open pole logic sheet 2
OR PHASE C
AND
to the trip output scheme
FLEXLOGIC OPERANDS
OPEN POLE BKR OP A Φ
OPEN POLE BKR OP B Φ
OPEN POLE BKR OP C Φ
FLEXLOGIC OPERANDS
OPEN POLE REM OP A Φ
OPEN POLE REM OP B Φ
OPEN POLE REM OP C Φ
837024AC.CDR
GE Multilin