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

Figure 7-8. Electric Governor Control Unit, Frequency Sensing Check (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
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MAGNETIC AMPLIFIER BIAS TEST. TURN Rll, R12, R14, R15, R16, R18 FULL CW. CONNECT GOVERNOR CONTROL UNIT TO TEST EQUIPMENT AS SHOWN. ADJUST Rll AND Rl2 FOR BAL- ANCED READING OF 450 MA ON M2 AND M3. TURN R12 FULL CW. M2 AND M3 SHALL READ 0-300 MA, AND BE BALANCED WITHIN 50 MA. TURN R12 FULL CCW. M2 AND M3 SHALL READ 600-1000 MA, AND BE BALANCED WITHIN 50 MA. READJUST Ml AND R12 FOR BAL- ANCED READING OF 450 MA ON M2 AND M3 AND LOCK Rll AND Rl2 FOR REMAINDER OF TEST. TEST EQUIPMENT REF DES QUANTITY DESCRIPTION M2, M3 2 MILLIAMMETER, DC, 0-1000 MA V1 1 DC POWER SOURCE 1 AC POWER SOURCE ME 6115-545-34/7-7 Figure 7-7. Electric Governor Control Unit, Magnetic Amplifier Bias Test (400 Hz) 7-11

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