Figure 7-8. Electric Governor Control Unit, Frequency Sensing Check (400 Hz)

Figure 7-7. Electric Governor Control Unit, Magnetic Amplifier Bias Test (400 Hz)

Figure 7-9. Electric Governor Control Unit, Rectifier Bridge and Feedback Winding Test (400 Hz)

TM-5-6115-545-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 30 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
Page Navigation
151

REF DES Ra Rb, RC M2, M3 FREQUENCY SENSING CHECK (HIGH AND LOW FREQUENCY) CONNECT GOVERNOR CONTROL UNIT TO TEST EQUIPMENT AS SHOWN TURN Ra SO THE RESISTANCE BETWEEN P1-M AND P1-T IS 250 OHMS. REDUCE THE FREQUENCY OF THE AP- PLIED 120 ± 2 VOLT SUPPLY UNTIL M2 AND M3 BALANCE. THE FREQUENCY SHALL BE 375-380 Hz. TURN Ra SO THE RESISTANCE BETWEEN P1-M AND P1-N IS 250 OHMS. INCREASE THE FREQUENCY OF THE APPLIED 120 ± 2 VOLT SUPPLY UNTIL M2 AND M3 BALANCE. THE FREQUENCY SHALL BE 420-425 Hz. TEST EQUIPMENT QUANTITY DESCRIPTION 1 POTENTIOMETER, 10 TURN, 500 OHMS, 5 WATT 2 RESISTOR, FIXED, 250 OHMS, 5 WATT 2 MILLIAMMETER, DC, 0-1000 MA 1 DC POWER SOURCE 1 AC POWER SOURCE ME 6115-545-34/7-8 Figure 7-8. Electric Governor Control Unit, Frequency Sensing Check (400 Hz) 7-12

Privacy Statement
Press Release
Contact