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GE 745 Instruction Manual page 206

Transformer protection system
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S6 TESTING
5.8.4.3 Prefault Values
PREFAULT
VALUES
5.8.4.4 Fault Values
FAULT
[
VALUES
5–110
•
START PLAYBACK MODE SIGNAL: Select any logic input which, when asserted, initiates
playback mode simulation. This signal has an effect only if the 745 is initially in
prefault mode.
PATH: SETPOINTS

[
]
MESSAGE
MESSAGE
MESSAGE
•
W1 to W3 PHASE ABC CURRENT MAGNITUDE: Enter the winding 1(3) phase current
magnitude (in terms of the winding full load current) while in prefault mode.
•
VOLTAGE INPUT MAGNITUDE: Enter the voltage magnitude (in terms of the nominal
VT secondary voltage) while in prefault mode.
PATH: SETPOINTS

]
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
S6 TESTING
SIMULATION

W1 PHASE ABC CURRENT
MAGNITUDE: 1.0 x CT
W2 PHASE ABC CURRENT
MAGNITUDE: 1.0 x CT
W3 PHASE ABC CURRENT
MAGNITUDE: 1.0 x CT
VOLTAGE INPUT
MAGNITUDE: 1.0 x VT
S6 TESTING
SIMULATION

W1 PHASE A CURRENT
MAGNITUDE: 1.0 x CT
W1 PHASE A CURRENT
ANGLE: 0°
W1 PHASE B CURRENT
MAGNITUDE: 1.0 x CT
W1 PHASE B CURRENT
ANGLE: 0°
W1 PHASE C CURRENT
MAGNITUDE: 1.0 x CT
W1 PHASE C CURRENT
ANGLE: 0°
W1 GROUND CURRENT
MAGNITUDE: 0.0 x CT
W1 GROUND CURRENT
ANGLE: 0°
W2 PHASE A CURRENT
MAGNITUDE: 1.0 x CT
W2 PHASE A CURRENT
ANGLE: 0°
W2 PHASE B CURRENT
MAGNITUDE: 1.0 x CT
W2 PHASE B CURRENT
ANGLE: 0°
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETPOINTS
PREFAULT VALUES

Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0.0 to 2.0 x VT in steps of 0.1
FAULT VALUES

Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0 to 359° in steps of 1
Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0 to 359° in steps of 1
Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0 to 359° in steps of 1
Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0 to 359° in steps of 1
Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0 to 359° in steps of 1
Range:
0.0 to 40.0 x CT in steps of 0.1
Range:
0 to 359° in steps of 1
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