Hereafter find a simply list of materials available on site, delivered by Siemens according to Engineering,

Manufacture, Delivery and Technical Field Assistance Contract relating to GT/Generator package based on SGT 4000F

 

Design data of model SGT5-4000F Frequency 50 Hz

Type of gas turbine (heavy duty, single casing, axial flow design)

Turbine comprising:

�?Compressor:

 15 Stages

 One variable-pitch inlet guide vane rows

 Extraction ports behind− stationary blade 5− stationary blade 9

 Compressor pressure ratio approx. 17

�?Ring combustor:

 One Combustion Chamber

 24 burners

 One ignition devices per burner

�?Turbine

 4 Stages

�?Bearings

 2 Bearings (journal @ turbine end, thrust + journal @ compressor end)

�?Turning gear

 Type hydraulic motor, speed 100 rpm

�?Mechanical control and protection system

�?Gas turbine instrumentation and actuation

�?Gaseous fuel package

 One emergency stop valves

 Two control valves (pilot + premix)

�?Lubrication oil system with lube oil tank

 Lube tank Capacity approx. 16,5 m³ (Capacity of oil system approx. 15 m³)

 Oil retention time approx. 8 min

 Two oil mist extraction fans

 Two Main oil pump type centrifugal 100 % capacity of one pump, drive AC motor

 One emergency oil pump, type centrifugal, drive DC motor

 One jacking oil pump, type vane pump, drive AC motor

 One main oil filter, type duplex, capacity 2x100 %, filter mesh absolute 0.020 mm

 One jacking oil filter, type cartridge, capacity 100 %, filter mesh absolute 0.020 mm

 2 x 100% plate type heat exchanger.

�?Hydraulic clearance optimization (HCO) package

�?Hydraulic oil package for control system

�?Fuel gas flow metering for performance test only

�?Advanced compressor cleaning system (ACCS)

�?Set of tools for initial assembly and inspection

�?Set of major inspection tools and a set of standard tools

�?filter system, with pre- and high efficiency filter (multi-stage static filter)

 Intake volume approx. 550 m³/s

 Design pressure maximum/minimum +3000/-2200 Pa

 Design temperature minimum -10 °C

 Design temperature maximum +40 °C

 Prefilter/Finefilter, number approx. 540, air flow per cell approx. 3650 m³/h, arrestance class acc. To

EN 779: 1993 − Finefilter F5 − Prefilter F9

 Initial pressure drop system* approx. 580 Pa

 Final pressure drop system between prefilter and GT compressor inlet (recommended filter change)

approx. 1000 Pa

�?inlet air filter house including weather hood, internal support structure, instrumentation, lighting, power

sockets, manhole, access ladders, platforms and doors

�?implosion doors (filter house)

�?anti-icing (warm water to air heat exchangers)

�?evaporative cooler

�?interconnecting duct work with expansion joint, damper and silencer

�?diffuser

 Exhaust gas volume flow (at ISO-conditions) approx. 1535 m³/s

 Design temperature minimum -10 °C

 Design temperature maximum +40 °C

 Design ambient temperature +15 °C

 Design pressure minimum -2000 Pa

 Design pressure maximum (diffuser) +5400 Pa

 Design flue gas temperature (fuel gas operation) approx. 620 °C

�?Structural Steel with corrosion protection

�?Noise abatement panels galvanized

�?Internal service platforms and ladders galvanized

�?Doors with safety windows

�?Internal lighting including emergency lighting

�?Air intake openings with protective grills, dampers and silencers

�?Exhaust air handling unit on top of enclosure, equipped with back draft dampers, fans including

mechanical redundancy and silencers

�?Fuel gas skid (ventilation system combined with the gas turbine

enclosure ventilation system)

�?Battery of high pressure bottles for CO2 and direction valve station

�?Piping system from bottle rack to spray nozzles inside the enclosures including supports

�?Fire detection and control system with local panel

�?Turbine Controller

 redundant automation processor for closed-loop control functions

 I/O modules as per I/O

− Turbine Failsafe Protection and Trip System

 failsafe system for protection and trip functions

− Turbine Function Group Automatic and Operational Protection System

 redundant automation processor for open-loop, sequence control functions and operational

protection functions

 I/O modules as per I/O

�?Turbine Operating / Monitoring / Engineering System

 2 Operator Terminal with two 19�?LCD monitor, keyboard and mouse

 Fault tolerant Application Server for operating, monitoring and engineering functions

 2 Printer (A4, Color Laser)

 Turbine Bus System

 Application Bus and Automation Bus with all necessary network components

 Turbine Analysis System Win_TS

 Win_TS Analysis System hardware + peripherals

 software for system basic functions

 software for Gas Turbine Special Condition Monitoring

 software for Gas Turbine Vibration Analysis

 software for Gas Turbine Thermodynamic Calculations

 I&C Cables, turbine related special I&C cables ( flame monitoring cable, bus cable)

 I&C Software (system and application programs) on disks

 Signal Interface (OPC-link) with Plant DCS

 Ethernet terminal point (RJ45 or Sub-D) for exchange of 500 signals at most 1 TP for all

 Signal Interface (hardwired) with Plant DCS

 terminal points for exchange of 70 binary signals at most

 terminal points for exchange of 30 analog signals at most

 terminal point for exchange of bus clock synchronization signal

�?Generator protection cabinet (CHA)

�?Synchronization / Synchro-check equipment (CHA)

�?Gas detection system (CYQ)

�?2 Inverter for Siemens supplied turbine DCS in PCC (BRU)

�?Starting frequency converter (CJT) consisting of:

 Line side and machine side B6C converter bridge

 DC link between line side and machine side converter

 Overvoltage protection on line side and machine side

 Speed control

 Compressor washing function

 Boiler purge function (10 minutes)

Active power 4.0 MW, Rated apparent power 5170 kVA, Rated input voltage 1.8 kV, DC link current

1940 A, DC link voltage 2100 V

Thyristors: �?Type T1451N5200,�?Number per branch 1,�?Rated current 2020 A, �?Voltage rating factor

2.04

Smoothing reactor ( DC link): �?Rated current 1600 A, �?Starting current 1940 A, �?Inductivity 1.8 mH @

2.5 kA, �?Nominal insulation voltage Class H for 3 kV

Rated losses 48 kW

Degree of protection IP 30

Type of cooling Forced air

Required cooling air 4500 m³/h

Noise sound pressure level at 50 Hz power supply 75 dB(A)

Weight ( compact unit including DC link reactor) 2700 kg

�?Static excitation equipment (CJT) consisting of: 1

 Fully controlled converter bridge type B6C

 Redundant bridges 3 x 50 %

 Disconnect switch for maintenance during operation

 Equipment for rapid deexcitation

 Line side overvoltage protection

 DC side overvoltage protection

 2 manual and 2 automatic controller

 Power System Stabilizer

 Starting frequency converter transformer with metal enclosure (IP23) (MBJ)

 Static excitation equipment transformer with metal enclosure (IP23) (MKC)

Maximum cont. Excitation current IfN 1764 A, Excitation system nominal current IEN 1940 A, Ceiling

current IP (10s) 2646 A, Rated input voltage US 540 V, Ceiling voltage UP 625 V.

Thyristors: �?Type of Thyristors T1509N1800, �?Number of bridges 3 x 50%, �?Voltage rating factor 2.35

Voltage controller: �?Control accuracy 0.5 %, �?Control range (with generator connected to the grid) 95 ...

105 %, �?Setting range (manual) 0 ... 110 %, �?Controller dead band 0.1 %, �?Ceiling voltage factor 2.0, �?/DIV>

 Cooling method forced air (2 * 100%)