TM 9-6115-668-13
2.
r. Adjust reverse power for Generator Set 150 kW No. 2:
On Generator Set 150 kW No. 1, turn FREQUENCY ADJUST potentiometer (R4) clockwise until
KILOWATTS meter (P4) displays 30 kW. Lock control knob with lever.
On Generator Set 150 kW No. 2, turn PRmax potentiometer counterclockwise, until indicator
REVERSE POWER ON (H11) lights up. Contactor K1 de-energizes and AC CIRCUIT INTER-
RUPTER indicator ON (H14) goes out.
Press REVERSE POWER (S22) illuminated pushbutton switch:
REVERSE POWER indicator goes out.
On Generator Set 150 kW No. 1, use FREQUENCY ADJUST potentiometer (R4) to set a fre-
quency of 399.8 Hz or
400.2 Hz on FREQUENCY meter (P5).
Lock control knob with lever.
On Generator Set 150 kW No. 2, press PARALLEL OPERATION ON illuminated pushbutton
switch (S9). PARALLEL OPERATION ON indicator (H12) lights up during automatic synchro-
nization of Generator Set 150 kW No. 1 and Generator Set 150 kW No. 2.
Adjust Voltage/Frequency Error Detection TT1314-./01 :
a. On relay K5 (41, figure 5-19), disconnect cable from terminal 1.
b. Connect multimeter to terminals of VOLTAGE meter (P6) (measurement range 300 V~Ri > 10
M ).
c. Preset potentiometers (figure 5-30).
Umax
Turn all the way clockwise (maximum 18 turns)
Umin
Turn all the way counterclockwise (maximum 18 turns)
fmax
Turn all the way clockwise (maximum 18 turns)
fmin
Turn all the way counterclockwise (maximum 18 turns)
d. Start up Generator Set 150 kW as instructed in paragraph 2.5.1.
e. Adjust overvoltage:
Start up Generator Set 150 kW as instructed in paragraph 2.5.1.
Turn VOLTAGE ADJUST potentiometer (R3) all the way clockwise (10). Lock control knob with
lever. Use Volt.adj. potentiometer (figure 5-28) to set voltage on multimeter to 240 V.
Turn VOLTAGE ADJUST potentiometer (R3) counterclockwise to set voltage on multimeter to
239.2 V. Lock control knob with lever.
Turn Umax potentiometer counterclockwise until UNDER/OVER VOLTAGE indicator (H9) lights
up.
Turn VOLTAGE ADJUST potentiometer (R3) five turns counterclockwise. Lock control knob with
lever.
Press UNDER/OVER VOLTAGE illuminated pushbutton switch (S5). UNDER/OVER VOLTAGE
indicator (H9) goes out.
Shut down Generator Set 150 kW as instructed in paragraph 2.5.2.
On relay K5, connect cable to terminal 1.
Start up Generator Set 150 kW as instructed in paragraph 2.5.1.
Turn VOLTAGE ADJUST potentiometer (R3) clockwise and check that UNDER/OVER VOLT-
AGE indicator (H9) lights up and Generator Set 150 kW shuts down.
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