GE Multilin
G60 Generator Protection System
5-141
5 SETTINGS
5.6 GROUPED ELEMENTS
5
5.6.5 STATOR DIFFERENTIAL
PATH: SETTINGS
ÖØ
GROUPED ELEMENTS
Ö
SETTING GROUP 1(6)
ÖØ
STATOR DIFFERENTIAL
The stator differential protection element is intended for use on the stator windings of rotating machinery.
Figure 5–70: STATOR DIFFERENTIAL CHARACTERISTIC
This element has a dual slope characteristic. The main purpose of the percent-slope characteristic is to prevent a maloper-
ation caused by unbalances between CTs during external faults. CT unbalances arise as a result of the following factors:
1.
CT accuracy errors
STATOR
DIFFERENTIAL
STATOR DIFF
FUNCTION: Disabled
Range: Disabled, Enabled
MESSAGE
STATOR DIFF LINE
END SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4
MESSAGE
STATOR DIFF NEUTRAL
END SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4
MESSAGE
STATOR DIFF
PICKUP:
0.100 pu
Range: 0.050 to 1.000 pu in steps of 0.001
MESSAGE
STATOR DIFF
SLOPE 1: 10 %
Range: 1 to 100% in steps of 1
MESSAGE
STATOR DIFF
BREAK 1: 1.15 pu
Range: 1.00 to 1.50 pu in steps of 0.01
MESSAGE
STATOR DIFF
SLOPE 2: 80 %
Range: 1 to 100% in steps of 1
MESSAGE
STATOR DIFF
BREAK 2: 8.00 pu
Range: 1.50 to 30.00 pu in steps of 0.01
MESSAGE
STATOR DIFF
BLK: Off
Range: FlexLogic™ operand
MESSAGE
STATOR DIFF
TARGET: Self-reset
Range: Self-reset, Latched, Disabled
MESSAGE
STATOR DIFF
EVENTS: Disabled
Range: Disabled, Enabled
differ
ential
restraining
Br
eak
1
Br
eak
2
Pickup
Slope 1
Slope 2
Block
Operate
830735A1.CDR
Содержание G60 UR Series
Страница 2: ......
Страница 4: ......
Страница 12: ...xii G60 Generator Protection System GE Multilin TABLE OF CONTENTS ...
Страница 32: ...1 20 G60 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 102: ...3 48 G60 Generator Protection System GE Multilin 3 4 MANAGED ETHERNET SWITCH MODULES 3 HARDWARE 3 ...
Страница 132: ...4 30 G60 Generator Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 392: ...5 260 G60 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 418: ...6 26 G60 Generator Protection System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Страница 446: ...8 18 G60 Generator Protection System GE Multilin 8 3 ENERVISTA SECURITY MANAGEMENT SYSTEM 8 SECURITY 8 ...
Страница 452: ...9 6 G60 Generator Protection System GE Multilin 9 1 PHASE DISTANCE THROUGH POWER TRANSFORMERS 9 THEORY OF OPERATION 9 ...
Страница 482: ...A 12 G60 Generator Protection System GE Multilin A 1 PARAMETER LISTS APPENDIXA A ...
Страница 604: ...D 10 G60 Generator Protection System GE Multilin D 1 IEC 60870 5 104 APPENDIXD D ...
Страница 616: ...E 12 G60 Generator Protection System GE Multilin E 2 DNP POINT LISTS APPENDIXE E ...
Страница 634: ...x G60 Generator Protection System GE Multilin INDEX ...