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

Figure 5-7. Overvoltage Relay K102, Test Setup

Figure 5-9. Sync Check Relay K106, 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 (2) Replacement. Remove relay (78, figure 5-1, sheet 2) by disconnecting and tagging wires and removing four screws (77). f. Reverse Power Sensing Relay K112 (67, figure 5-1). NOTE Check relay K112 fuse prior to performing the following tests. (1) Polarity and Reverse Power Circuit Test. NOTE Ensure that the adjusting potentiometer is set fully clockwise before starting this test. (a) Connect a 0 to 1.2 amp, 0.05V AC maximum, power source to terminals 1 and 2 (see figure 5-11). Connect a 115V AC, 60 Hz source to terminals 6 and 7. Connect an ohmmeter to terminals 4 and 5. (b) Adjust the 0.05V AC power source (terminals 1 and 2) to 1 amp. (c) Turn the adjusting potentiometer fully counterclockwise. (d) If the contact between terminals 3 and 5 closes, then the polarity is incorrect and the wires on terminals 6 and 7 must be reversed, and the test must be started over. (e) Push the Press-to-test Button. The contact between terminals 3 and 5 must close at this time. (2) Inverse Time Trip Curves Test. (a) Set the current source Figure 5-8. Phase Sequence Relay K103, Test Setup 5-11

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