GE G60 Instruction Manual page 369

5 SETTINGS

PATH: SETTINGS GROUPED ELEMENTS
 SPLIT PHASE
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Some generators, due to physical construction, have windings that consist of multiple adjacent turns. It is therefore possible
for faults to develop between turns on the same phase (inter-turn faults). These faults are not detected by the stator differ-
ential protection, as there is no difference between the neutral and at the terminal currents. Split phase protection may be
applied to detect inter-turn faults in the case that the generator is wound with two three-phase windings, each brought sep-
arately out of the machine and connected in parallel. The currents in the two windings are compared, any difference indicat-
ing an inter-turn fault.
GE Multilin
 
SETTING GROUP 1(6) SPLIT PHASE
SPLIT PHASE
FUNCTION: Disabled
SPLIT PHASE SOURCE:
SRC 1
SPLIT PHASE LOAD
SOURCE: SRC 2
SPLIT PHASE A
PICKUP: 0.200 pu
SPLIT PHASE A
OFFSET: 0.000 pu
SPLIT PHASE A SLOPE:
0.0%
SPLIT PHASE B
PICKUP: 0.200 pu
SPLIT PHASE B
OFFSET: 0.000 pu
SPLIT PHASE B SLOPE:
0.0%
SPLIT PHASE C
PICKUP: 0.200 pu
SPLIT PHASE C
OFFSET: 0.000 pu
SPLIT PHASE C SLOPE:
0.0%
SPLIT PHASE MIN
LOAD: 0.00 pu
SPLIT PHASE MODE:
Over
SPLIT PHASE DELAY:
0.000 s
SPLIT PHASE BLK:
Off
SPLIT PHASE TARGET:
Self-Reset
SPLIT PHASE EVENTS:
Disabled
G60 Generator Protection System
5.6 GROUPED ELEMENTS
5.6.11 SPLIT PHASE PROTECTION
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: 0.020 to 1.500 pu in steps of 0.001
Range: 0.000 to 1.000 pu in steps of 0.001
Range: 0.0 to 100% in steps of 0.1
Range: 0.020 to 1.500 pu in steps of 0.001
Range: 0.000 to 1.000 pu in steps of 0.001
Range: 0.0 to 100% in steps of 0.1
Range: 0.020 to 1.500 pu in steps of 0.001
Range: 0.000 to 1.000 pu in steps of 0.001
Range: 0.0 to 100% in steps of 0.1
Range: 0.00 to 1.00 pu in steps of 0.01
Range: Over, Over-Under
Range: 0.000 to 65.535 s in steps of 0.001
Range: FlexLogic operand
,
Range: Self-reset, Latched Disabled
,
Range: Enabled Disabled
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