Frame- 9E, (PG9171E) Gas Turbine

 

 

 

Each Turbine is characterized by the following equipment and accessories except where mentioned otherwise.

RATING at ISO Conditions:

      Base:                   128,183 KW 

        

 

Voltage:                    15KV

I. Turbine and Turbine Compartment

 - Base mounted, simple cycle, single shaft PG9171EGas Turbine
    Compartment consisting of:

     -  Multistage, axial flow, corrosion protected compressor,

     - Modulating inlet guide vanes

     - On base Gas fuel system and Liquid fuel system suitable for distillate.

     - Dual ignition system.

     - Dual compartment AC vent fans (Negative, common for GT & ACC
        compartment),

     - Vibration sensors, Seismic type, for protection.

     - Thermocouples for measuring critical turbine and load temperatures,
        including bearing drains.

     - Inlet and exhaust plenums.

     - Load coupling (Solid), with coupling guard and hardware.

     - GT enclosure (On-base) limiting near field noise level to 93 dBA.

     - Oil filled accessory coupling

     - Fire detection and protection, for on base equipment.

     - Online and Off-line compressor wash piping and nozzle for on base
       hardware.

     - Compressor discharge air unit.

     - On-base piping as per ANSI 1331.3

     - Base mounted terminal boxes and interconnecting wiring in rigid metal

        conduits.

2. Accessory Systems and Compartments

     - Accessory systems and compartments include:

     - Accessory gear, heavy duty, multi shaft with oil filled accessory
       coupling to turbine shaft.

     - Starting system

     - Electric motor

     - Torque converter

     - Rotor turning devise

     - Fuel oil pump

     - Lubricating and hydraulic oil system.

     - Shaft driven main lubricating oil and hydraulic oil pumps

     - Full flow AC Motor driven emergency pump

     - Partial flow AC Motor driven emergency pump

     - Full flow AC Motor driven auxiliary hydraulic pump

     - Dual filters and transfer valve for lubricating oil and hydraulic oil
       systems

     - 2 x I 00% lube oil in water heat exchangers

     - 304/321 Stainless steel feed piping with TIG welding of the foot pass

     - Piping in accordance with ANSI BI 1. 3 and applicable ASME welding requirements

     - Fire detection and C02 protection system for on base equipment.

     - Electrical components,

     - All motors, except starting motor, feature:

     - TEFC motors, terminal boxes, conduit and wiring to meet NCC Class 1, Group-D, Division-2 requirements

     - Dual compartment vent fans(negative ventilation common for ACC & OT compartments).

     - Full weather protected enclosure for outdoor installation.

 3. Inlet Air System (Up and Over Orientation)

     - Filter compartment with-.

     - Support structure

     - Self-cleaning air filter system

     - Inlet ducting

     - Access hatch

     - Instrumentation

     - Inlet silencing in ducting.

     - Inlet bellow,

     - Transition piece from inlet dusting to inlet plenum.

     - Structural supports

 4. Exhaust System (Top Exhaust)

     Transition pieces and stack of 15 meters height, including silencer.

 5. Load Coupling Compartment

     - Rigid non-lubricating load coupling

     - Fabricated load coupling guard

     - Full weather protected enclosure

 6. Control Cabinet

     - Mark V1 SPEEDTRONIC TM turbine control panel.

     - Motor control center.

     - 125V DC Battery (Lead free maintenance) Charger and DCDB.

7. Aux. Compartments & Turbine Fire Detection and Protection System
    (CO2)

8.  Portable Lube Oil Purifier

9.  Foundation Hardware

10.  Special Tools and Tackle (One Set)


 SCOPE OF SUPPLY FOR EACH GENERATOR

Generator (Open Circuit air cooled) with stator, rotor, built in RTD'S,
 bearings

Foundation frame and enclosure generator with terminals at top.

Brushless excitation system including main exciter (with slip rings for

conventional rotor earth fault relay) and auxiliary exciter.

Ventilation system for generator with ducting and self-cleaning
 filters.

Phase isolated bus-ducts with aluminum conductor and aluminum enclosure with CT's,

PT's, LA & SP cubicles (10 meters on phase side & 6 meters on neutral side.)

Neutral grounding transformer with loading resistor.

Conventional generator control panels and microprocessor based  relay panels and

Duplication of controls in the central control room.

Inter connecting control cables for connection between generator bus duct and C/R panels.

C02 fire protection for generator.

Automatic voltage regulator (Digital type)

 

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