Chapter 11 Phase Reversal & Phase Imbalance Set Limits/Relays
11.3GROUP 7, FUNCTION 0: VOLTAGE PHASE REVERSAL DETECTION
ÖTo change the PHASE REVERSAL settings, follow these steps:
NOTE: PRESS MAX/MIN/LIMITS, AT ANY TIME, TO CANCEL BEFORE STORING THE LAST DIGIT OR SWITCH.
AC VOLTS
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AC AMPS
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AC VOLTS
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MAX MIN | LM1 LM2 | |||||||
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LIMITS | PROG |
VOLTS | AMPS |
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LIMITS | PROG |
VOLTS |
AMPS |
PHASE |
NEXT |
Step 1:
a. Enter Group Level of Programming ModeÖ 70. appears in upper display. (see Chapter 2).
ÖLower display indicates current settings for
b. Press MAX/MIN/LIMITS until 7. appears in upper Enable/Disable Phase Reversal Detection. display.
c.Press VOLTS to activate the Group.
MAX MIN
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AC VOLTS
A B C A B C
I I I I I I N N N B C A
AC AMPS
A B C N
LM1 LM2
MAX/MIN | |
LIMITS | PROG |
VOLTS | AMPS |
PHASE |
NEXT |
Step 2:
a.Press VOLTS once.
ÖThree dashes appear in lower display.
b. Press PRINT/PROG to change current Set Above/Below, Trip Relay 1, and Trip Relay 2 settings.
ÖThis toggles the segments UP (above limit) or DOWN (below limit).
c.Press VOLTS to store.
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GE Industrial Systems