GE Multilin g60

5-158 G60 Generator Protection System GE Multilin
5.6 GROUPED ELEMENTS 5 SETTINGS
5
Figure 5–74: PHASE INSTANTANEOUS OVERCURRENT TIMING CURVES
Figure 5–75: PHASE INSTANTANEOUS OVERCURRENT 1 SCHEME LOGIC
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0XOWLSOHRISLFNXS
0D[LPXP
0LQLPXP
0LOOLVHFRQGV
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IA ≥ PICKUP
SETTING
PHASE IOC1
FUNCTION:
Enabled = 1
Disabled = 0
SETTING
PHASE IOC1
SOURCE:
IA
IB
IC
PHASE IOC1
BLOCK-A:
Off=0
SETTING
SETTING
IB ≥ PICKUP
RUN
PHASE IOC1
PICKUP:
RUN
IC ≥ PICKUP
RUN
PHASE IOC1
PICKUPDELAY:
SETTINGS
PHASE IOC1 RESET
DELAY:
t
PKP
t
RST
t
PKP
t
RST
t
PKP
t
RST
827033A6.VSD
FLEXLOGIC
OPERANDS
PHASE IOC1 B PKP
PHASE IOC1 B DPO
PHASE IOC1 PKP
PHASE IOC1 C PKP
PHASE IOC1 C DPO
PHASE IOC1 A OP
PHASE IOC1 B OP
PHASE IOC1 OP
OR
AND
OR
AND
AND
PHASE IOC1 A DPO
PHASE IOC1 A PKP
PHASE IOC1 C OP
PHASE IOC1
BLOCK-B:
Off=0
SETTING
PHASE IOC1
BLOCK-C:
Off=0
SETTING
PHASE IOC1 DPO
AND