Turbinen- und Anlagentechnik GmbH Turbinen- und Anlagentechnik GmbH Schulstraße 43 Schulstraße 43 D-65795 Hattersheim / Germany D-65795 Hattersheim / Germany Telefon : Telefon : +49 +49 6190 8916786190 891678 Telefax : Telefax : +49 +49 6190 725466190 72546 E-Mail
E-Mail : : tuba@[email protected] Internet
Internet : : www.tuba-turbwww.tuba-turbine.deine.de
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.: 139.: 139One GE, Frame 5, MS
One GE, Frame 5, MS 5001 N, 5001 N, zero hour overhauled zero hour overhauled – Gas Turbine– Gas Turbine Package 24,25 MW
Package 24,25 MW
Scope of supply: Scope of supply:
Simple cycle, single shaft/two bearings heavy duty type gas turbine and axial Simple cycle, single shaft/two bearings heavy duty type gas turbine and axial compressor with ten (10) chambers combustion system with individual fuel nozzles, compressor with ten (10) chambers combustion system with individual fuel nozzles, double
double ignition ignition system system (Option: (Option: Dry Dry NONOXXemission control system).emission control system).
MS
MS 5001 5001 Gas Gas Turbine Turbine package package complete complete with: with: NEWNEW REFURBISHEDREFURBISHED
−
− Simple cycle, single shaft 2 Simple cycle, single shaft 2 bearings heavy duty type gasbearings heavy duty type gas
turbine and axial compressor turbine and axial compressor
X X
−
− Fabricated structural basement, supporting the gasFabricated structural basement, supporting the gas
turbine, alternator and its own auxiliaries, the air inlet turbine, alternator and its own auxiliaries, the air inlet andand exhaust gas plenum
exhaust gas plenum
X X
−
− 2 stage high efficiency filter2 stage high efficiency filter XX −
− Base mounted junction boxesBase mounted junction boxes XX −
− Starting system with electrical engine / DieselStarting system with electrical engine / Diesel XX −
− Integral mounted gauge board, installed on turbine Integral mounted gauge board, installed on turbine frameframe
skid, with indication of the main turbine pressure skid, with indication of the main turbine pressure parameters
parameters
X X
−
− Vibration detector seismic typeVibration detector seismic type XX −
− Thermocouples for measuring the gas turbine criticalThermocouples for measuring the gas turbine critical
temperatures temperatures
X X
−
− Header and nozzles for compressor cleaningHeader and nozzles for compressor cleaning XX −
− Load coupling between the speed reduction gear andLoad coupling between the speed reduction gear and
alternator alternator
X X
−
− Inlet ductsInlet ducts XX
−
− Exhaust ductsExhaust ducts XX
−
− Closed forced-feed lube oil system common for the gasClosed forced-feed lube oil system common for the gas
turbine and driven equipment, complete with: turbine and driven equipment, complete with:
d) Twin main lube oil filter with transfer valve X
e) piping downstream lube oil filters X
f) lube oil water cooler, shelling tube type located inside the G.T. basement
X g) lube oil vent
− Gas fuel system suitable to receive, at the system
inlet flange, natural gas in accordance with G.E. specification GER4170F.
The system is complete with:
a) Y-type gas strainer X
b) gas splitter valve X
c) primary and secondary gas manifolds to nozzles X
d) Supply pressure switch X
e) Combined gas stop/speed ratio and control valves X
f) Gas fuel piping in AISI304 stainless steel X
g) Instrumentation and all necessary protection devices X
− Liquid fuel system suitable to receive, at the system inlet
flange, distillate type 2 in accordance with G.E. specification GEI4170H.
The system is complete with:
a) twin L.P. primary filter cartridge type with transfer valve X
b) fuel oil stop valve X
c) reduction gear driven fuel oil booster pump X
d) booster pump by-pass/flow control valve X
e) pressure control valve X
f) single H.P. secondary filter X
g) stainless steel piping downstream primary filter X i) Direct pressure fuel oil mechanical atomising system X
2.2 G.T. AIR INLET SYSTEM
New gas Turbine Air Inlet System is provided for an up and
forward arrangement and consists of: NEW REFURBISHED
− 2 stage high efficiency filter. (Option 2 stage filter GDX
reverse flow Pulse-Jet self cleaning filter)
X
− Blow-in door and relevant instrumentation X − Air inlet duct (carbon steel epoxy painted) from the filter
chamber to the gas turbine inlet plenum,
X
− 2,5 m (baffles) silencer X
2.3 ACOUSTICAL ENCLOSURE
Acoustical Enclosure, suitable for outdoor installation, is to be anchored on the unit base plat, no foundation is required. The enclosure, supplied with loose walls and roof, to be erected at site, is provided to assure acoustical abatement and thermal separation to the outside. The expected average sound attenuation is 90 dB(A) pressure level at one meter from the enclosure. The Acoustical enclosure shall be accessible by ladders and walkways
The following equipment and system are provided inside the enclosure:
NEW REFURBISHED
− Fire detection system with thermal type detectors X − CO2 fire extinguishing system (piping and spray nozzles) X − Internal A.C. and D.C. emergency lighting X − Ventilation system complete with A.C. motor driven fan X
− Conveying ventilation system ducts X
2.4 EXHAUST GAS SYSTEM
New vertical turbine exhaust gas system NEW REFURBISHED
− Transition piece X
− Vertical Silencer X
− Standard exhaust stack (12 mt. height) X
− Drain from exhaust hood to water trap X
2.5 REFURBISHED SPEED REDUCTION GEAR
The Speed Reduction Gear, located between the turbine and the generator, is coupled to the G.T. exhaust plenum, with 5100/3000 rpm ratio, and provided with the following auxiliary facilities:
− Seismic type vibration detector, located on the gear case and connected with the
G.T. monitoring and protection system
− Bearing embedded RTD's for the bearings temperature control
2.6 REFURBISHED ELECTRICAL GENERATOR
The electrical generator is a Synchronous machine, ventilated in water circuit, with the following characteristics:
− Manufacturer: BRUSH − Nominal Voltage 10.5 kV − Voltage’s Range
− Cooling air and stator windings RTD's and relevant terminal junction boxes − Bearing embedded RTD's for bearings temperature control
− Seismic vibration type detectors connected with the gas turbine monitoring and
protection system
− Brush less excitation type with the necessary equipment suitable for the excitation
control
− Ventilation fans on the generator shaft ends
− M.V. section with Current and Potential transformers (CT's & PT's) for metering
and protection and Surge arrestors and lightning protection
− Neutral isolated to the ground
2.7. CONTROL AND L.V. SYSTEM
− SpeedTronic MKV Symplex cabinet processor based control panel incorporating
the following functions:
• Turbine control and protection • Monitoring
• Annunciation
• Fire and gas protection
• Vibration monitoring and protection • Integrated generator control
• Serial data link (RS232C via Standard Modbus protocol) for remote station
communication
− Generator control and protection panel incorporating the following functions: • Automatic voltage regulator (A.V.R.)
• Generator excitation control
• Manual and automatic synchronizing facility with check synchronizer • Generator protection
− Motor Control Center for auxiliaries − DC system
• Battery rack • Battery charger
• DC distribution panel for GT auxiliaries.
2.8 NEW MISCELLANEA
− Foundation bolts and plates − Packing
− Interconnecting piping between the Gas Turbine Generating Unit and its Auxiliary
skids
− Instruction manuals for maintenance and operation (four copies)
2.9 TERMINATION POINTS BASEPLATE
FUEL SYSTEM
− Gas fuel supply inlet flange skid edge
COOLING WATER SYSTEM
− Water inlet/outlet flange at the edge of GT and Generator skids
LUBRICATING OIL SYSTEM
− Oil filler cap for lubricating oil tank
− Inlet/Outlet oil flanges at oil/air cooler skid
COMPRESSOR CLEANING SYSTEM
− Filler cap of water wash fluid tank
VENTS AND DRAINS
− Vent and drain outlets at edge of base plate and enclosure
AIR INLET FILTER
− Inlet face of air inlet filter house
− Underside of supporting structure’s plates − Embedded parts
EXHAUST DUCTWORK
− Exhaust stack
UNIT CONTROL SYSTEM & INSTRUMENTATION (WITHIN SKIDS)
− Junction boxes located on external surfaces of the equipment
AC & DC LV ELECTRICAL (WITHIN SKIDS)
− Terminal boxes on electric motors − Terminal boxes on heaters
UNIT CONTROL SYSTEM & INSTRUMENTATION (WITHIN PANELS)
− Input and output terminals of unit control panels − Input and output terminals of LV boards
U.P.S. (220 VAC)
− Terminals on MKV
GENERATOR SET
− Out goers M.V. bars
2.11 ESTIMATED PERFORMANCES CURVES
2.11.1 ESTIMATED BASE LOAD OPERATION AT ISO CONDITION Natural Gas Fuel
Output 24.250 KW
NP expects that the refurbished unit gives the performance as per a new unit, in accordance with the here attached curves.
In any case NP commits to supply refurbished units, which are able to give at least the following performance:
- 8% of Estimated Out-put + 8% of Estimated Heat-rate
2.10 FULL SPEED NO LOAD TEST
Our std. FSNL test shall be performed at our factory prior the preparation for shipment of the unit.
3.1 GAS TURBINE DATA
3.1.1. CONSTRUCTION FEATURES 3.1.1.1. GENERAL
- GAS TURBINE MODEL NUMBER MS 5001 N
- GAS TURBINE TYPE Heavy duty
- CYCLE Simple
- NUMBER OF SHAFTS One
- SHAFT ROTATION FACING THE OUTPUT
COUPLING IN THE AIR FLOW DIRECTION Counterclockwise 3.1.1.2. AIR COMPRESSOR
- NUMBER OF STAGES 17
- TYPE Axial
- COMPRESSION RATIO 10 to 1 (I.S.O.)
- ROTOR Built-up
- CASING SPLIT Horizontally
- MAX. TIP SPEED (@ 5 100 rpm) 332 m/s
- OPERATING SPEED
- Minimum 4845 rpm
- Normal 5100 rpm
- Trip (Electronic) 5610 rpm
- Trip (Mechanical) 5710 rpm
- LATERAL CRITICAL SPEEDS (ACTUAL STIFFNESS)
- First 1534 rpm
- Second 2893 rpm
3.1.1.3. TURBINE
- NUMBER OF STAGES Two
- TYPE Axial
- ROTOR Built-up
- CASING SPLIT Horizontally
- MAX. TIP SPEED (@ 5 100 rpm) 427 m/s
- OPERATING SPEED
- Minimum 4845 rpm
- Normal 5100 rpm
- Trip (Electronic) 5610 rpm
- Trip (Mechanical) 5710 rpm
- LATERAL CRITICAL SPEEDS (ACTUAL STIFFNESS)
- First 1534 rpm
- Second 2893 rpm
- Third 5200 rpm
3.1.1.4. COMBUSTOR
- TYPE Multiple
- NO. OF COMBUSTION CHAMBERS Ten
- NOZZLES PER COMBUSTOR One
- NOZZLE TYPE Reverse flow
3.1.1.5. BEARINGS
- RADIAL Elliptical
- THRUST(LOADED) Equalizing (Kingsbury)
- TYPE Babbit steel backing
- LUBRICATION Oil forced
- DRAIN SYSTEM Atmospheric
3.1.1.6. INLET PLENUM
- ORIENTATION AVAILABILITY Up
- ORIENTATION AVAILABILITY Lateral
- INTERNAL SIZE DIMENSIONS 3,06 x 1,86 m
3.1.1.8. LUBE OIL SYSTEM SYSTEM CAPACITY (at 3 bar)
- TURBINE 30 M3 /h
- DRIVEN EQUIPMENT 40 M3 /h
- RETENTION TIME (approx.) 5 minutes
LUBE OIL TANK CAPACIT 6400 liters
LUBE OIL PUMPS
- MAIN LUBE OIL PUMP
- Type Gear
- Drive type Shaft
- Capacity 104 M3 /h
- Discharge pressure 6,20 bar
- Rated speed 1750 rpm
- AUXILIARY LUBE OIL PUMP
- Type Centrifugal
- Drive type A.C. motor
- Capacity 77 M3 /h
- Discharge pressure 6,20 bar
- Rated speed 1800 rpm
- EMERGENCY LUBE OIL PUMP
- Type Centrifugal
- Drive type D.C. motor
- Capacity 54 M3 /h
- Discharge pressure 1,38 bar
- Rated speed 1800 rpm
LUBE OIL FILTERS
- FILTRATION DEGREE 25 micron abs.
- FILTER MATERIAL Inorganic fibers
3.1.1.9. FUEL SYSTEM GAS FUEL.
Gas fuel pressure at GT skid flange Gas min. 17, max 21 bars.
3.1.1.10. STARTING SYSTEM DIESEL ENGINE STARTING
- POWER 342 kW
- MAXIMUM SPEED 2300 rpm
3.1.1.11. STARTING TIMES (approx.)
NORMAL START - NORMAL LOAD 9' 55''
EMERGENCY START PROGRAM (total) 6' 25''
- ACCELERATION TIME 5' 45''
- SYNCHRONIZING TIME 0' 10''
- LOADING TIME 0' 30''
3.1.1.12. MAINTENANCE RECOMMENDATIONS
Type of Equivalent Average Typical 8-hours
Inspection Fired Hours Man-Hours Crew size Shifts
Combustion 8000 160 4 5
Hot Gas Path 16000 480 6 10
Major 32000 1280 8
3.1.3. UNIT SPECIAL TOOLS
The maintenance equipment which cannot be found on the tool market and specifically made for the unit maintenance are considered "Special Tools" and will be suplied with the unit for its maintenance. The Special Tools are provided in one element for each identical component also in case of more than unit is supplied.
3.1.3.1. GAS TURBINE
Q.ty Description To be employed for
2 Guide pin - Casing disassembly
1 Wrench - Over speed bolts disassembly
1 Wrench - Lube oil filter transfer valve
disassembly
3.1.3.3. ACCESSORIES
All the Unit accessory equipment as well as electrical boards will be provided with the necessary special tools.
The SPEEDTRONIC control board calibration equipment are not considered special tools and are not covered by this supply list.
Option:
Waterinjection Dry Low NOx