GE M60 User Manual

CHAPTER 5: SETTINGS GROUPED ELEMENTS
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 5-225
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

GE M60 Specifications

General

Brand	GE
Model	M60
Category	Protection Device
Language	English