CHAPTER 5: SETTINGS
GROUPED ELEMENTS
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
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5
Figure 5-122: Speed 2 undercurrent logic
5.7.4 Stator differential (ANSI 87S)
SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
STATOR DIFFERENTIAL
The stator differential protection element is intended for use on the stator windings of rotating machinery.
STATOR
DIFFERENTIAL
STATOR DIFF
FUNCTION: Disabled
Range: Disabled, Enabled
STATOR DIFF LINE
END SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4
STATOR DIFF NEUTRAL
END SOURCE: SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4
STATOR DIFF
PICKUP: 0.100 pu
Range: 0.050 to 1.000 pu in steps of 0.001
STATOR DIFF
SLOPE 1: 10 %
Range: 1 to 100% in steps of 1
STATOR DIFF
BREAK 1: 1.15 pu
Range: 1.00 to 1.50 pu in steps of 0.01
STATOR DIFF
SLOPE 2: 80 %
Range: 1 to 100% in steps of 1
STATOR DIFF
BREAK 2: 8.00 pu
Range: 1.50 to 30.00 pu in steps of 0.01
STATOR DIFF
BLK: Off
Range: FlexLogic operand
STATOR DIFF
TARGET: Self-reset
Range: Self-reset, Latched, Disabled
STATOR DIFF
EVENTS: Disabled
Range: Disabled, Enabled
Summary of Contents for M60
Page 9: ...TABLE OF CONTENTS M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ix INDEX ...
Page 10: ...x M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TABLE OF CONTENTS ...
Page 552: ...5 344 M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 5 SETTINGS 5 ...
Page 660: ...iv M60 MOTOR PROTECTION SYSTEM INSTRUCTION MANUAL ABBREVIATIONS ...