FILTER. (1) A device that removes insoluble
analog and digital circuitry to control the propulsion
contaminants from the fluid power system. (2) A
and electric plant. The ECSS consists of the EPCE,
device through which gas or liquid is passed; dint,
PAMCE, PAMISE, PLOE, and SCE on the CG- and
dust, and other impurities are removed by the
DD-class ships.
separating action.
ENGINEERING OFFICER OF THE WATCH/
FOREIGN OBJECT DAMAGE (FOD). Damage as
LOGGING UNIT (EOOW/LU). The EOOW/LU
a result of entry of foreign objects into a gas turbine
is located in the CCS on DDG-51 class ships. It
inlet.
provides a centralized station for accumulating,
processing, and displaying the MCS status.
FREE STANDING ELECTROMC ENCLOSURE
(FSEE). The FSEE provides the supporting
ENGINEERING OPERATING PROCEDURES
(EOP). Technically correct written procedures,
electronic and engine control interface between the
GTE and the control consoles. One FSEE is located
status charts, and diagrams required for the normal
in each MER.
transition between steady state operating
conditions.
FREQUENCY. The number of cycles (as in an
ENGINEERING OPERATIONAL CASUALTY
alternating electrical current) completed per second.
CONTROL (EOCC). Technically correct,
FUEL SYSTEM CONTROL CONSOLE (FSCC).
logically sequenced procedures for responding to
Located in CCS and is the central station for
and controlling commonly occurring casualties.
monitoring and control of the fuel fill and transfer
ENGINEER'S OPERATING STATION (EOS).
system.
This station, located on the PHM, contains
FUEL OIL SYSTEM. This system provides a
m a c h i n e r y controls, fire detection and
continuous supply of clean fuel to the GTEs.
extinguishing panel, flooding panel, and damage
FULL POWER. The condition in which both engines
control central.
(GTEs) in one engine room are engaged and driving
ENGINEERING OPERATIONAL SEQUENCING
the reduction gear and propeller shaft.
SYSTEM (EOSS). A two-part system of operating
GAS TURBINE ENGINE (GTE). A GTE consists of
instructions bound in books for each watch station.
a compressor, a combustor, a turbine, and an
It provides detailed operating procedures (EOP) and
accessory drive system. Many variations of GTEs
casualty control procedures (EOCC) for the
exist.
propulsion plant.
GAS TURBINE GENERATOR SET (GTGS). The
ENGINE ORDER TELEGRAPH (EOT). A
GTGS has a GTE, a reduction gearbox, and a
non-voice communication system provided
generator.
between the command station (pilot house), CCS,
and the main engine room.
GENERATOR. A rotating machine which converts
mechanical energy into electrical energy.
EXCITER CONTROL PANEL (EXCOP). Controls
the generator output voltage by regulating generator
GENERATOR BREAKER (GB). The GB is used to
field excitation. The EXCOP is enabled by the
connect a generator to its main switchboard.
LOCOP on DDG-51 class ships.
GOVERNOR CONTROL UNIT (GCU). A static
EXECUTIVE CONTROL UNIT (ECU). A computer
GCU is supplied for each GTGS consisting of a
(part of PAMISE) that is the nucleus of the
static exciter/voltage regulator assembly, field
information center of the ECSS. The ECU gathers
rectifier assembly, motor-driven rheostat, and mode
data information from the ship's propulsion,
select rotary switch. It controls the output voltage
auxiliary, and electric plant equipment.
of the generator.
FEEDBACK. A value derived from a controlled
GROUND. (1) A metallic connection with the earth to
function and returned to the controlling function.
establish ground potential. (2) The voltage
FEEDWATER. Distilled water made in evaporators
reference point in a circuit. There may or may not
for use in boilers. Feedwater is more pure than
bean actual connection to earth, but it is understood
drinking (potable) water.
that a point in the circuit said to be at ground
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