Test (cont) - TM-5-6115-593-34

CHAPTER 17 GENERATOR SET INSTALLATION PRACTICES

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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TM 5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 CAUTION Do not exceed 125 percent of rated load. (e) Hold the conditions in step (c) above for two minutes. However, if the voltage and frequency cannot be maintained within 1 percent of their rated values, the load must be adjusted to the point at which the voltage and frequency can be maintained within 1 percent of their rated values for two minutes. CAUTION It may be necessary to reduce the load to a value below the rated kilowatt load for a short period of time to prevent serious over- heating or damage to the generator set if the above conditions cannot be readily attained. (Monitor instrumen- tation.) (f) During the two minute period record all instrument readings including thermal and pressure instrumenta- tion. (On 3-phase sets it is not necessary to record line-to-line voltages). (g) Reduce the load to rated kilowatt load and allow the generator set to cool for 10 minutes. (h) Repeat steps (d) through (g) above until three valid sets of maximum power data are obtained. 16-22

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