To adjust reverse power for Generator Set

Figure 5-30 Voltage Regulator N2, Location of Circuit Boards and Potentiometers.

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

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-668-13 NOTE To adjust reverse power for Generator Set 150 kW No. 1 and Generator Set 150 kW No. 2, the EPP III must be running, since Generator Set 150 kW No. 1 and Generator Set 150 kW No. 2 must beoperating in parallel mode. See TM 9-6115-669-13&P. q. Start up Generator Set 150 kW No. 1 and Generator Set 150 kW No. 2 as instructed in para- graph 2.5.1 and operate in parallel mode with no load. On Generator Set 150 kW No. 2, turn FREQUENCY ADJUST potentiometer (R4) clockwise, until KILOWATTS meter (P4) displays 30 kW. Lock control knob with lever. On Generator Set 150 kW No. 1, turn P_Rmax potentiometer counterclockwise until REVERSE POWER ON indicator (H11) lights up. Contactor K1 de-energizes and AC CIRCUIT INTER- RUPTER ON indicator goes out (H14). Press REVERSE POWER illuminated pushbutton switch (S22): REVERSE POWER indicator (H11) goes out. On Generator Set 150 kW No. 2, 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. 1, push PARALLEL OPERATION ON illuminated pushbutton switch (S9). PARALLEL OPERATION ON indicator (H12) lights up during automatic synchronization of Generator Set 150 kW No. 1 and Generator Set 150 kW No. 2. On Generator Set 150 kW No. 2, turn FREQUENCY ADJUST potentiometer (R4) clockwise until KILOWATTS meter (P4) displays 30 kW (adjustment point check). Lock control knob with lever. On Generator Set 150 kW No. 1, REVERSE POWER indicator (H11). Contactor K1 de-ener- gizes and ACCIRCUIT INTERRUPTER ON indicator (H14) goes out. Press REVERSE POWER illuminated pushbutton switch (S22): REVERSE POWER indicator (H11) goes out. On Generator Set 150 kW No. 2, 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. 1, 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. 5-130

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