SSGTGS. All are the same except No. 3. It has
SPARE indicator.
two extra alarm indicators. We will discuss the
HEATER ON indicates the heater in the
alarms/indicators from the top to the bottom of
generator enclosure is energized.
the columns, the GEN column first and then the
GTRB column.
GAS TURBINE AND REDUCTION GEARS
COLUMN. --This column has the following
indicators:
FIRE indicates that a fire is being sensed
in the acoustical enclosure.
ENCL. TEMP. HIGH indicates the
temperature in the enclosure exceeds the
preset limit.
INLET TEMP. HIGH indicates the
temperature of the gases going into the tur-
bine section is above the set point.
LUBO PRESS LOW indicates the lube oil
pressure to the GTE or the reduction gear
has dropped below the set limit.
GENERATOR COLUMN.--This column has
LUBO TEMP. HIGH indicates the
the following alarm/indicators:
temperature of the GTE lube oil is above
the set point.
AIR TEMP. HIGH indicates the
temperature of the air exiting the generator
LUBO STR. DP HIGH indicates the dif-
is too high.
ferential pressure on the GTE lube oil
strainer is above the set point.
FRONT BRG. TEMP. HIGH indicates
the temperature sensed in the babbitt of
FUEL OIL STR. DP HIGH indicates the
the front bearing is above the set limit.
differential pressure on the fuel oil strainer
is above the set point.
REAR BRG. TEMP. HIGH indicates the
temperature sensed in the babbitt of the
The No. 3 generator has two more indicators
rear bearing is above the set limit.
directly below the indicators just described.
STATOR TEMP. HIGH indicates the
FUEL LEVEL LOW indicates the fuel
temperature in the generator stator
level in the tank has exceeded the low level
windings have exceeded the preset limit.
limit.
VIBRATION HIGH indicates the vibra-
tion on the GTE has exceeded the preset
limit.
8-3
