( Item # = PG0176 )  Three Alstom Model Pg 6551b 50Hz, 38Mw Gas Turbine Generators

?One (1) auxiliary compartment with
-Diesel engine with silencer starting device and torque converter,
-On-base dual fuel system (natural gas and distillate N02)
-Atomizing air system,
-On-base lubrication system (double filters,/ double coolers) with
sufficient capacity to satisfy the requirements of the gas turbine,
generator and load gear box,
-Hydraulic oil system,
-Standard auxiliary gear,
-Shaft-driven cooling water pump,
-On-base heating and ventilation,
-Fire detection system
?One (1) gas turbine compartment with:
-Variable inlet guide vanes,
-Compressor and expansion gas turbine,
-Ignition and combustion systems,
-Inlet and exhaust plenum,
-Ventilation system,
-Fire detection and protection system,
-Seismic vibration probes,
-Water injection system for NOx reduction

1.2 Three (3) gas turbine air inlet filters houses, including weather hood,
prefilter, coalescer, and hight efficiency filter
1.3 Three (3) sets of walkways and access ladders for each unit.
1.4 Three (3) oil mist eliminators.
1.5 Three (3) sets of gas turbine inlet air ducting and 8’ silencing
equipment with supporting structures. Three (3) acoustical enclosures (85
db(A) at 1 meter).
1.6 Three (3) acoustical enclosures (85 db(A) at 1 meter).
1.7 Three (3) sets of lateral exhaust systems with 10’ Silencing equipment
with stacks (20 m AGL)
1.8 Three (3) sump tanks of 1.8m3 capacity each.
1.9 Three (3) water injection skids for NOx.
1.10 One (1) gas turbine compressor washing skid of our standardized design
with one 10 m3 tank common for the 3 gas turbines
1.11 Three (3) fire protection Systems for gas turbine including C02 bottles
on a rack 2

2. Three (3) GEC ALSTHOM synchronous air cooled generators, 3 phases, 11 kV,
50 Hz, with the following major items of equipment:
-Vertical offset, double helical load gear,
-Filtered air cooling system,
-Brush less exciter,
-Medium voltage platform including:
-Neutral grounding equipment,
-Potential and current transformer,
-Excitation transformer,
-Capacitors.

2.1 Three (3) gas turbine control compartments, completed with the following
panels and associated equipment:
-Speedtronic Mark V turbine control panel,
-Generator control and protection panel (including main transformer
protections),

-400 V AC and 125 V DC motor control centers and distribution panels,
  -Generator excitation and AVR panel,
  -125 V DC battery charger and 125 V DC CD/Ni battery.

2.2 Three (3) metal clad compartments including the following major items of
equipment:

-generator circuit breaker, 52 G,
-auxiliary power transformer for GT auxiliaries,
-one (1) circuit breaker (station auxiliary feeders),
-Lightning Arrestors

3. Fuel gas systems consisting of the following major items of equipment
  -Three (3) GT final separator with manual drain (1 x 100% for each GT).
-Three (3) GT gas flow measurement units diaphragm type ( 1 x 100% for each
GT).

3.1 N02 Distillate fuel oil systems consisting of the following major items
of equipment:
-Three (3) distillate fuel oil filtering skids (One each for GT)
-One distillate fuel oil forwarding skid common for 3 Gas Turbines
comprising of 3 pumps out of which one is a standby of 15 m3/h capacity.