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/PERATING INSTRUCTIONS
6%
6
# ' #
2EACTIONS TO FAULTS DURING PARALLELING
4HE FOLLOWING TABLES LIST SOME REACTIONS OF THE DEVICE TO TYPICAL FAULTS AND ERRORS DURING PARALLELING ATTEMPTS
0ROBLEM 3TART COMMAND IS NOT CARRIED OUT
0OSSIBLE FAULT OF
0ARAMETERIZING
)NITIATION
0HASE SEQUENCE
-EASURED VOLTAGES
#HECK
#IRCUIT BREAKER CLOSING TIME ADDRESS
J
IS STILL SET TO
0
5 -). ADDRESS
J
IS SET GREATER THAN OR EQUAL TO 5 -!8 ADDRESS
J
7RONG OFF CONTROL RANGE
/3 $%, FMIN ADDRESS
J
IS SET GREATER THAN /3 $%, FMAX ADDRESS
J
OR
33 $%, FMIN ADDRESS
J
IS SET GREATER THAN 33 $%, FMAX ADDRESS
J
0HASE SEQUENCE SETTINGS ADDRESSES
J
ANDOR
J
ARE NOT PLAUSIBLE
EG THE ONE CLOCKWISE THE OTHER COUNTER CLOCKWISE
-ORE THAN ONE PARAMETER SET SELECTED
.O PARAMETER SET SELECTED
3TOP COMMAND IS PRESENT
0ARAMETER SET SELECTION IS BLOCKED AFTER A SYNCHRONIZING PROCEDURE
6OLTAGE 5
, ,
IS CONNECTED BUT 5
J
0(3%1 ADDRESS
J
OR
J
IS
PARAMETERIZED AS
./.%
7RONG PHASE SEQUENCE DIFFERENT TO PARAMETER ADDRESSES
J
ANDOR
J
-ISSING COUNTER PHASE VOLTAGE 5 OR 5
&AULT IN INSTRUMENT TRANSFORMER CIRCUIT
$ATA ERROR 5 5 OR 5 5 OUT OF TOLERANCE
(ARDWARE
&IRMWARE
&AULT ON BASIC MODULE '%!
&AULT ON ADDITIONAL MODULE :%! ONLY 6%
&AULT IN COMMAND CIRCUIT
&AULT IN POWER SUPPLY
#HECK SUM ERROR RECOGNIZED
&AULT DURING PROCESSOR SYSTEM RUN UP