Figure 15-4. Undervoltage Relay K115, Test Setup

Figure 15-3. Remote Control Module, Plate Assembly, Exploded View

Figure 15-5. Underfrequency Relay K116, 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 15-4. Undervoltage Relay K115, Test Setup (e) through (i) with the same results. (2) Underfrequency relay K116 (4, figure 15-3). WARNING HIGH VOLTAGES ARE PRESENT DURING TEST. (a) Connect relay to test setup as shown in figure 15-5. (b) Open switch S1 for 60 Hz test. (c) Adjust the frequency to 60 Hz and the input voltage to 120 volts. Relay contacts should pick up. Lamp DS1 should light and DS2 should extinguish. (d) Lower frequency slowly until relay contacts drop out (lights transfer). Contacts should drop at 55 Hz ±0.1 Hz. (e) Close switch S1 for 50 Hz test. (f) Adjust the frequency to 50 Hz and the input voltage to 120 volts. Relay contacts should pick up. Lamp DS1 should light and DS2 should extinguish. (g) Lower frequency slowly until relay contacts drop out (lights transfer). Contacts 15-5

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