ARMY TM 9-6115-604-12NAVY NAVFAC P-8-633-12STEP 3SET ISOCHRONOUS/FREQUENCYDROOPSWITCH TO FREQUENCYDROOPON ON-LINEGENERATOR SET AND EACH INCOMING GENERATOR SET THIS SWITCH IS ON CABINET B IN THECONTROL ROOM OF EACH GENERATOR SET.STEP 4ON-LINE SET: SET MASTERSWITCH TO START AND RELEASE TO RUN. (THE ENGINE WILLAUTOMATICALLY CRANK FOR 15 SECONDS AND REST FOR 15 SECONDS UNTIL THE ENGINE HASSTARTED, FOR A TOTAL OF FOUR CRANK CYCLES )STEP 5ON-LINE SET: ADJUST FREQ ADJ RHEOSTAT FOR A FREQUENCY METER READING OF 50 HERTZ OR60 HERTZ, AS APPLICABLE.STEP 6ON-LINE SET: SET GEN/BUSVOLTMETERSWITCH TO GEN3-1.STEP 7ON-LINE SET: ADJUST VOLTADJ RHEOSTAT FOR AN ACKILOVOLTS READING OF 4 16 KILOVOLTS(FOR 60 HERTZ OPERATION) OR 3 8 KILOVOLTS (FOR 50 HERTZ OPERATION).STEP 8ON-LINE SET: SET GEN/BUSVOLTMETERSWITCH TO GEN2-3, THEN GEN1-2 VERIFY THAT ACKILOVOLTSREADING IS THE SAME AT ALL THREE SETTINGS.STEP 9ON-LINE SET: SET PARALLELSWITCHTO SINGLESET,SINGLESET INDICATOR WILL LIGHT.STEP 10 ON-LINE SET: SET BREAKERCONTROL SWITCH TO CLOSE.CLOSED INDICATOR WILL LIGHT.STEP 11 ON-LINE SET: SET PARALLELSWITCH TO PARALLEL.PARALLEL INDICATOR WILL LIGHT.STEP 12 INCOMING SET: SET MASTERSWITCH TO START AND RELEASE TO RUN (THE ENGINE WILLAUTOMATICALLY CRANK FOR 15 SECONDS AND REST FOR 15 SECONDS UNTIL THE ENGINE HASSTARTED, FOR A TOTAL OF FOUR CRANK CYCLES ).STEP 13 INCOMING SET: ADJUST FREQADJ RHEOSTAT FOR A FREQUENCYMETER READING OF 50 HERTZOR 60 HERTZ, AS APPLICABLE.STEP 14 INCOMING SET: SET GEN/BUSVOLTMETER SWITCH TO GEN3-1.STEP 15 INCOMING SET: ADJUST VOLTADJRHEOSTAT FOR AN ACKILOVOLTS READING OF 4 16 KILOVOLTS(FOR 60 HERTZ OPERATION) OR 3 8 KILOVOLTS (FOR 50 HERTZ OPERATION).STEP 16 INCOMING SET: SET GEN/BUSVOLTMETERSWITCH TO GEN2-3, THEN GEN1-2. VERIFY THAT ACKILOVOLTSREADING IS THE SAME AT ALL THREE SETTINGS.STEP 17 INCOMING SET: CHECK PHASE SEQUENCE USING PHASESEQ.SEL. SW AND 1-2-3-AND 3-2-1INDICATOR LIGHTS. ENSURE THAT SETS ARE IN PHASE BEFORE PROCEEDING.STEP 18 INCOMING SET: SET PARALLELSWITCH TO PARALLEL.PARALLEL INDICATOR WILL LIGHT.STEP 19 INCOMING SET: SET SYNCHROSCOPE SWITCH TO ONSYNCHROSCOPE WILL BEGIN ROTATING ANDLIGHTS WILL BEGIN BLINKING.STEP 20 INCOMING SET: ADJUST FREQADJRHEOSTATUNTIL SYNCHRONIZINGLIGHTS ARE BLINKING VERYSLOWLY. AND SYNCHROSCOPE NEEDLE IS ROTATING SLOWLY IN THE CLOCKWISE (FAST)DIRECTION.STEP 21 INCOMING SET: ADJUST VOLTADJ RHEOSTAT USING GEN/BUSVOLTMETER SWITCH AND ACKILOVOLTSMETER UNTIL GENAND BUSVOLTAGES ARE IDENTICAL.STEP 22 INCOMING SET: WHEN SYNCHRONIZINGLIGHTSARE DARK AND SYNCHROSCOPE NEEDLE IS IN 12O'CLOCK POSITION, SET BREAKERCONTROL SWITCH TO CLOSE.CLOSED INDICATOR WILL LIGHT.STEP 23 INCOMING SET: SET SYNCHROSCOPE SWITCH TO OFF.STEP 24 ALL SETS: ADJUST VOLTADJAND FREQADJ RHEOSTATS TO BALANCE THE LOAD ON ALL SETS ASINDICATED BY THE KILOVAR AND ACKILOWATTS METERS ADJUST VOLTADJTO EFFECT KILOVARSADJUST FREQADJ TO EFFECT KILOWATTS.STEP 25 IF ADDITIONAL GENERATOR SETS ARE TO BE PARALLELED, REPEAT STEP 12 THROUGH STEP 24,ABOVE, FOR EACH SET.STEP 26 ALL SETS: LOAD CHANGES WILL AFFECT VOLTAGE AND FREQUENCY OF DROOP-PARALLELEDSETS EQUALLY. TO VARY FREQUENCY OR VOLTAGE OUTPUT OF DROOP-PARALLELED SETS,ADJUST FREQADJ OR VOLTADJRHEOSTATS THE SAME WAY (INCREASE OR DECREASE) ON BOTHSETS.STEP 27 ALL SETS: PERIODICALLY (NOT LESS THAN ONCE PER HOUR) MONITOR ENGINE AND GENERATORINDICATORS TO ENSURE CONTINUED OPERATION.STEP 28 ALL SETS: PERFORM 'DURING OPERATION" PREVENTIVE MAINTENANCE CHECKS AND SERVICESAS SPECIFIED IN Table 3-2.STEP 29 TO STOP ENGINE REFER TO Figure 2-26.Figure 2-24. Remote Droop Parallel Operation (Sheet 2 of 2)2-45
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