Manual

24 TT-1596 3/15
Fault Text Description Possible Causes
LossOfField This generator has absorbed more than 25% reactive
power (magnetic excitation current) for 20 seconds
Generator voltage on this generator is not
calibrated correctly.
Generator voltage on other generator is
not calibrated correctly.
Bus voltage on this generator is not
calibrated correctly.
Bus voltage on the other generator is not
calibrated correctly.
BusDeadLive The Bus is measured to be dead when one of the
generators is supposed to be supplying voltage to the
bus (closed contactor)
Bus metering V9A and V9B connections
to V9 of paralleling protection harness are
connected incorrectly.
BusLiveDead The Bus is measured to be live when no generators
are connected to it (both contactors open).
Bus metering V9A and V9B connections
to V9 of paralleling protection harness
connected incorrectly.
Figure 23 Other Events