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10-8
L30 Line Current Differential System
GE Multilin
10.3 CHANNEL ASYMMETRY COMPENSATION USING GPS
10 APPLICATION OF SETTINGS
10
2.
Set the 87L element with different differential settings for Settings Groups 1 and 2 as shown below
3.
Enable GPS compensation when the GPS signal is valid and switch to Settings Group 2 (with more sensitive settings)
as shown below.
831778A1.CDR
17
87L DIFF 1 MAX ASYM
18
NOT
19
87L DIFF GPS FAIL
20
NOT
21
AND(2)
AND(2)
22
87L DIFF 1 MAX ASYM
23
87L DIFF GPS FAIL
24
OR(2)
OR(2)
25
TIMER 3
26
LATCH
Reset
Set
LATCH
27
= GPS ON-GR.2 (VO2)
= GPS ON-GR.2 (VO2)
Summary of Contents for L30
Page 10: ...x L30 Line Current Differential System GE Multilin TABLE OF CONTENTS ...
Page 30: ...1 20 L30 Line Current Differential System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Page 370: ...5 244 L30 Line Current Differential System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 464: ...A 10 L30 Line Current Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Page 600: ...C 30 L30 Line Current Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Page 610: ...D 10 L30 Line Current Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Page 622: ...E 12 L30 Line Current Differential System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...
Page 634: ...F 12 L30 Line Current Differential System GE Multilin F 3 WARRANTY APPENDIX F F ...
Page 644: ...x L30 Line Current Differential System GE Multilin INDEX ...