3-14
G30 Generator Protection System
GE Multilin
3.2 WIRING
3 HARDWARE
3
Figure 3–14: ZERO-SEQUENCE CORE BALANCE CT INSTALLATION
The phase voltage channels are used for most metering and protection purposes. The auxiliary voltage channel is used as
input for the synchrocheck and volts-per-hertz features.
Substitute the tilde “~” symbol with the slot position of the module in the following figure.
Figure 3–15: CT/VT MODULE WIRING
Ground connection to neutral
must be on the source side
UNSHIELDED CABLE
LOAD
A
B
C
N
G
Ground
outside CT
Source
LOAD
SHIELDED CABLE
996630A6.CDR
A
B
C
Source
To ground;
must be on
load side
Stress cone
shields
NOTE
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
1a
1b
1c
2a
2b
2c
3a
4a
5a
6a
7a
8a
3b
4b
5c
6c
7c
8c
3c
4c
Current inputs
8F, 8G, 8L, and 8M modules (4 CTs and 4 VTs)
Voltage inputs
VA
VB
VC
VX
VA
VB
VC
VX
IA
IC
IB
IG
IA5
IC5
IB5
IG5
IA1
IC1
IB1
IG1
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
~
1a
5a
1b
5b
1c
5c
2a
6a
2b
6b
2c
6c
3a
7a
4a
8a
3b
7b
4b
8b
3c
7c
4c
8c
Current inputs
842766A3.CDR
IA
IA
IC
IC
IB
IB
IG
IG
IA5
IA5
IC5
IC5
IB5
IB5
IG5
IG5
IA1
IA1
IC1
IC1
IB1
IB1
IG1
IG1
8H, 8J, 8N, and 8R modules (8 CTs)
Содержание G30
Страница 10: ...x G30 Generator Protection System GE Multilin TABLE OF CONTENTS ...
Страница 30: ...1 20 G30 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 414: ...5 274 G30 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 456: ...8 2 G30 Generator Protection System GE Multilin 8 1 DIRECTIONAL PRINCIPLE 8 THEORY OF OPERATION 8 ...
Страница 470: ...9 14 G30 Generator Protection System GE Multilin 9 1 SETTING EXAMPLE 9 APPLICATION OF SETTINGS 9 ...
Страница 484: ...11 12 G30 Generator Protection System GE Multilin 11 6 DISPOSAL 11 MAINTENANCE 11 ...
Страница 512: ...A 28 G30 Generator Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 620: ...B 108 G30 Generator Protection System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 666: ...E 10 G30 Generator Protection System GE Multilin E 1 IEC 60870 5 104 APPENDIX E E ...
Страница 678: ...F 12 G30 Generator Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Страница 687: ...GE Multilin G30 Generator Protection System H 7 APPENDIX H H 2 ABBREVIATIONS H Z Impedance Zone ...