CHAPTER 6: ACTUAL VALUES A2 METERING
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 6–9
The negative-sequence current magnitudes and phase values for windings 1, 2, and 3 are
shown here.
6.3.1.5 Zero-sequence Current
PATH: ACTUAL VALUES
A2 METERING CURRENT ZERO SEQUENCE
The zero-sequence current magnitudes and phase values for windings 1, 2, and 3 are
shown here.
6.3.1.6 Differential Current
PATH: ACTUAL VALUES
A2 METERING CURRENT DIFFERENTIAL
The differential current magnitudes and angles for phases A, B, and C are shown. The
differential current phase angles are referenced to winding 1 phase A current.
6.3.1.7 Restraint Current
PATH: ACTUAL VALUES
A2 METERING CURRENT RESTRAINT
The restraint current magnitudes for phases A, B, and C are shown here.
ZERO SEQUENCE [] W1 ZERO SEQ CURRENT:
0 A at 0° Lag
MESSAGE
W2 ZERO SEQ CURRENT:
0 A at 0° Lag
MESSAGE
W3 ZERO SEQ CURRENT:
0 A at 0° Lag
DIFFERENTIAL [] PHASE A DIFFERENTIAL
CURRENT: 0.00 x CT
MESSAGE
PHASE A DIFFERENTIAL
ANGLE: 0° Lag
MESSAGE
PHASE B DIFFERENTIAL
CURRENT: 0.00 x CT
MESSAGE
PHASE B DIFFERENTIAL
ANGLE: 0° Lag
MESSAGE
PHASE C DIFFERENTIAL
CURRENT: 0.00 x CT
MESSAGE
PHASE C DIFFERENTIAL
ANGLE: 0° Lag
RESTRAINT [] PHASE A RESTRAINT
CURRENT: 0.00 x CT
MESSAGE
PHASE B RESTRAINT
CURRENT: 0.00 x CT
MESSAGE
PHASE C RESTRAINT
CURRENT: 0.00 x CT