GE TRANSFORMER MANAGEMENT RELAY 745 Instruction Manual page 154

6.3 A2 METERING
c) POSITIVE SEQUENCE CURRENT
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POSITIVE SEQUENCE
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All positive-, negative-, and zero- sequence component phase angles are referenced to the Winding 1
Phase A current
NOTE
The positive-sequence current magnitudes and phase values for Windings 1, 2, and 3 are shown here.
d) NEGATIVE SEQUENCE CURRENT
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NEGATIVE SEQUENCE
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The negative-sequence current magnitudes and phase values for Windings 1, 2, and 3 are shown here.
e) ZERO SEQUENCE CURRENT
6
PATH: ACTUAL VALUES
ZERO SEQUENCE
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The zero-sequence current magnitudes and phase values for Windings 1, 2, and 3 are shown here.
6-6
Courtesy of NationalSwitchgear.com
A2 METERING CURRENT
ð
W1 POS SEQ CURRENT:
ENTER
0 A at 0° Lag
ESCAPE
W2 POS SEQ CURRENT:
ESCAPE
0 A at 0° Lag
MESSAGE
W3 POS SEQ CURRENT:
ESCAPE
0 A at 0° Lag
MESSAGE
A2 METERING CURRENT
ð
W1 NEG SEQ CURRENT:
ENTER
0 A at 0° Lag
ESCAPE
W2 NEG SEQ CURRENT:
ESCAPE
0 A at 0° Lag
MESSAGE
W3 NEG SEQ CURRENT:
ESCAPE
0 A at 0° Lag
MESSAGE
A2 METERING CURRENT
ð
W1 ZERO SEQ CURRENT:
ENTER
0 A at 0° Lag
ESCAPE
W2 ZERO SEQ CURRENT:
ESCAPE
0 A at 0° Lag
MESSAGE
W3 ZERO SEQ CURRENT:
ESCAPE
0 A at 0° Lag
MESSAGE
745 Transformer Management Relay
POSITIVE SEQUENCE
NEGATIVE SEQUENCE
ZERO SEQUENCE
6 ACTUAL VALUES
GE Multilin