5-128
C60 Breaker Protection System
GE Multilin
5.6 GROUPED ELEMENTS
5 SETTINGS
5
The phase instantaneous overcurrent element may be used as an instantaneous element with no intentional delay or as a
definite time element. The input current is the fundamental phasor magnitude. The phase instantaneous overcurrent timing
curves are shown below for form-A contacts in a 60 Hz system.
Figure 5–55: PHASE INSTANTANEOUS OVERCURRENT TIMING CURVES
Figure 5–56: PHASE INSTANTANEOUS OVERCURRENT 1 SCHEME LOGIC
0
5
10
15
20
25
30
35
1.05
1.1
1.2
1.5
2
5
10
15
20
Multiple of pickup
Maximum
Minimum
Milliseconds
843807A1.CDR
IA
PICKUP
S
ETT
I
NG
PHASE IOC1
FUNCTION:
Enabled = 1
Disabled = 0
S
ETT
I
NG
PHASE IOC1
SOURCE:
IA
IB
IC
PHASE IOC1
BLOCK-A:
Off = 0
S
ETT
I
NG
S
ETT
I
NG
IB
PICKUP
RUN
PHASE IOC1
PICKUP:
RUN
IC
PICKUP
RUN
PHASE IOC1
PICKUPDELAY:
S
ETT
I
NG
S
PHASE IOC1 RESET
DELAY:
t
PKP
t
RST
t
PKP
t
RST
t
PKP
t
RST
827033A6.VSD
FLEXLOG
I
C
OPE
R
AND
S
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
S
ETT
I
NG
PHASE IOC1
BLOCK-C:
Off = 0
S
ETT
I
NG
PHASE IOC1 DPO
AND
Summary of Contents for C60
Page 2: ......
Page 4: ......
Page 11: ...GE Multilin C60 Breaker Protection System xi TABLE OF CONTENTS INDEX ...
Page 12: ...xii C60 Breaker Protection System GE Multilin TABLE OF CONTENTS ...
Page 32: ...1 20 C60 Breaker Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 50: ...2 18 C60 Breaker Protection System GE Multilin 2 2 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Page 128: ...4 30 C60 Breaker Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Page 394: ...9 4 C60 Breaker Protection System GE Multilin 9 1 FAULT LOCATOR 9 THEORY OF OPERATION 9 ...
Page 516: ...D 10 C60 Breaker Protection System GE Multilin D 1 OVERVIEW APPENDIXD D ...
Page 528: ...E 12 C60 Breaker Protection System GE Multilin E 2 DNP POINT LISTS APPENDIXE E ...