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Page Title:
Removal from Parallel Operation. |
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 TM 9-6115-661-13&P
2-5.3.3 Removal from Parallel Operation.
WARNING
If necessary to move a generator set which has been operating in parallel
with another generator set, shut down remaining generator set connected to
the load, prior to removing load and ground cables. Failure to observe this
warning can result in injury or death by electrocution.
CAUTION
Prior to removal of generator set from parallel operation, make sure load
does not exceed full load rating of generator set remaining on line. Failure
to observe this caution can result in damage to generator set.
a.
At the control panel of the generator set that is to be taken off line, position AC CIRCUIT INTER-
RUPTER switch (13) in the OPEN position until indicator (14) goes out.
b.
Set UNIT-PARALLEL switch (16) to UNIT.
c.
On the switch box place the ON LINE switch in the OFF position.
d.
On the operating generator set control box assembly rotate the MASTER switch to the OFF
position.
At the control panel of the running generator set, place the UNIT-PARALLEL switch to UNIT.
e.
f.
Perform the PMCS listed as AFTER in Table 2-2 for the generator set that was shut down.
2-5.3.4 Load Transfer Procedures (Sets connected for parallel operation).
a.
One generator set (generator set 1) should already be on line and supplying power to the load.
For the generator set not running (generator set 2), perform the PMCS listed as BEFORE in
b.
c.
On operating generator set (set 1), set UNIT-PARALLEL switch (16, figure 2-11) to PARALLEL.
d.
Start generator set 2. Adjust voltage and frequency to match generator set 1.
At switch box, set generator set 2 ON-OFF switch (3 or 6) to ON (Switch box STATUS and ON LINE
e.
lights for both generator sets should be lit).
2-42
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