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Diesel Generator Operation Manual GENERAL MAINTENANCE Part 10
Generator Set Output - AC Electric System
6.10 Generator Set Output - AC Electric System
Check the following while the generator set is operating:
•Frequency: The generator set frequency should be stable and the reading should be the same as the generator set nameplate rating (50Hz/1500RPM or 60Hz/1800RPM).
•AC Voltage: At no load, the line–to–line voltage(s) should be the same as the generator set nameplate rating.
•AC Ammeter: At no load, the current readings should be zero. With a load applied, each line current should be similar.
•Panel Lamps: When the Operating Panel is first connected to the DC supply, the system runs a check by illuminating each of the indicator lamps in turn.