Figure 5-7. Overvoltage Relay K102, Test Setup

Figure 5-8. Phase Sequence Relay K103, Test Setup

TM-5-6115-593-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 600 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 Figure 5-7. Overvoltage Relay K102, Test Setup (a) Connect a variable 0 to 160V AC source and variable frequency (50 to 60 Hz) source to terminals 1 and 2 with switch S1 in series. (b) Connect lamp DS1 and 24V DC power supply in series with switch S2 to terminals 3 and 4, also with terminals 7 and 8 (DS2). (c) Adjust AC power supply to 120 volts, 60 Hz. With S1 and S2 closed, lamp DS1 shall extinguish and DS2 shall light. (d) Reduce voltage slowly to 104 volts and hold for 2 minutes. Lamp DS1 and DS2 shall maintain states. (e) Reduce voltage to 99 volts. DS1 and DS2 shall transfer states within 4 to 8 seconds. (f) Increase voltage slowly to 113 volts. Lamps DS1 and DS2 shall transfer states. (g) Reduce voltage to 48 volts. Transfer of states of DS1 and DS2 shall be instantaneous. (h) Reduce frequency to 50 Hz and repeat the procedures in steps (c) through (h) with the same results. 5-10

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