ARMY TM 9-6115-604-12
NAVY NAVFC P-8-633-12
MAKE CERTAIN ALL SETS ARE SHUT DOWN AND THAT THERE ARE NO
VOLTAGES AT SWITCH GEAR TERMINALS BEING CONNECTED TO
INCOMING SET. TAKE EXTREME CARE NOT TO CROSS LO (NEUTRAL)
WITH ANY OF THE OTHER PHASES (L1, L2, OR L3). DEATH BY
ELECTROCUTION OR SEVERE EQUIPMENT DAMAGE MAY RESULT FROM
FAILURE TO HEED THIS WARNING.
STEP 1.
CONNECT INCOMING SET AS SHOWN IN FIGURE 2-17.
STEP 2.
INSTALL SHORTING PLUG ON ONE REACTIVE LOAD RECEPTACLE OF ON-LINE GENERATOR SET
AND EACH INCOMING GENERATOR SET REFER TO FIGURE 2-18.
STEP 3.
SET
FREQUENCY/ISOCHROUNOUS
DROOP
SWITCH
TO
ISOCHRONOUS
ON
ON-LINE
GENERATOR SET AND TO FREQUENCY DROOP ON EACH INCOMING GENERATOR SET.
STEP 4.
ENSURE OPERATION OF ON-LINE GENERATOR SET.
STEP 5.
ON-LINE SET ADJUST FREQ ADJ RHEOSTAT FOR A FREQUENCY METER READING OF 50 HERTZ
OR 60 HERTZ, AS APPLICABLE.
Figure 2-16. Droop Parallel Operation (Sheet 1 of 2)
2-32