introduction of 50 hz sc 660/800mw steam turbine 2013 presentations/day-2 at pmi... · 2013.02.14...
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2013.02.14Doosan Heavy Industries & Construction
Introduction of 50 Hz SC Introduction of 50 Hz SC 660/800MW Steam Turbine660/800MW Steam Turbine
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For NTPC Conference
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IIIIII Steam Turbine TechnologiesSteam Turbine Technologies
II General IntroductionGeneral Introduction
Contents
2
• Established (1962)
• Turbine & Generator
Manufacturing license
with GE (1976)
• 500MW Subcritical (1988)
• 1000MW Nuclear STG (1988)
• 800MW Supercritical STG (1998)
• 500MW Supercritical / 1455MW
Nuclear STG (2002)
• Fossil, Nuclear, CCPP STG,
Total 55 units (2003~2012)
• Acquisition of Skoda (2009)
• GE license termination (2010)
History of Doosan STG Technology and business
1962 1985 2003
Build upMFG. Technology
Co-Design with GE DOOSAN Design
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Steam TurbineSteam Turbine
• Steam Turbine for Fossil, Nuclear and Combined Cycle
• Steam Turbine Upgrading (Retrofit)
Gas TurbineGas Turbine
•Gas Turbine for Simple & Combined Cycle
•Licensed with Mitsubishi Heavy Industries
Control & ExcitationControl & Excitation
•Turbine Generator Control System
•Generator Excitation System
•Electrical Equipment
GeneratorGenerator
•Generator for Fossil, Nuclear and Combined Cycle
•Generator Upgrading (Retrofit)
TG Business Line
4
Manufacturing facilities covering from material to the assembled product
5,500MW / Year
9,500MW / Year
Manufacturing CapacityManufacturing Capacity
Casting & Forging Shop
Turbine Generator Shop
Steam Turbine Test Facility
Main Office
Generator Test Facility
Heavy Fabrication Shop
Quality control program certified by ISO 9001for entire manufacturing process
2,600MW / Year
Shops and Facilities in Korea
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ThailandGHECO-one (700MW x 1)
IndonesiaCirebon (698MW x 1)
IndiaRaipur (685MW x 2)
VietnamMong Duong I (540MW x 2unit)Mong Duong II (600MW x 2unit)
AustraliaEraring #1~4 (750MW x 4unit)
UAEBNPP #1~4 (1390MW x 4unit)
Saudi ArabiaRabigh #7~10 (700MW x 4unit)Marafiq #5/7 (275MW x 2unit)Yanbu #2 (276MW x 3unit)
•Subcritical 74Unit (47,565 MW)
•Supercritical 16Unit ( 9,368 MW)
•Total Fossil Fired 90Unit (55,933 MW)
Korea*CoalYounghung #1/2 (814MW x 2)
Hadong #7/8(518MW x 2)
Tangjin #5~8(518MW x 4)
Poryong #7/8(550MW x 2)
Taean #7/8(550MW x 2)
Samchunpo #1~6
(577MW x 4unit, 541MW x 2unit)
* NuclearWolsong #2~4 (714MW x 3unit)Yonggwang #3~6 (1050MW x 4unit)Ulchin #3~6 (1050MW x 4unit)Shinkori #1/2 (1050MW x 2unit)Shinwolsong #1/2 (1050MW x 2unit)Shinkori #3/4 (1450MW x 2unit)Shinulchin #1/2 (1450MW x 2unit
•CCPP/CHP•Yeongwol(848MW(3-3-1) x 1unit•Pocheon (800MW(2-2-1) x 2unit) •Yangju (540MW(2-2-1) x 1Unit)•Haengbok(540MW(2-2-1) x 1unit)
Experience for Steam Turbine & Generator
Czech RepublicLedvice (660MW x 1)
Steam Turbine Experience – Major Projects
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Configuration Specification Capacity Range
• TC1F, 1 Casing• 1HP + 1LP• 50Hz / 60Hz Application• Fossil / CCPP Unit
• TC1F, 2 Casing• 1HP + 1ILP• 50Hz / 60Hz Application• Fossil / CCPP Unit
• TC2F, 2 Casing• 1HIP + 1LP• 50Hz / 60Hz Application• Fossil / CCPP Unit
Reheater
DownwardCondensing
AxialCondensing
300 600 900(MW)
Up To 180MW
Up To 210MW
160MW~
450MW
Steam Turbine Product Line-Up (1/2)
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Configuration Specification Capacity Range
• TC2F, 3 Casing• 1HP + 1IP + 1LP• 50Hz / 60Hz Application• Fossil Unit
• TC4F, 3 Casing• 1HIP + 2LP• 50Hz / 60Hz Application• Fossil Unit
• TC4F, 4 Casing• 1HP + 1IP + 2LP• 50Hz / 60Hz Application• Fossil Unit
300 600 900(MW)
200MW ~
700MW
400MW ~ 800MW
600MW ~ 1,100MW
Steam Turbine Product Line-Up (2/2)
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IIIIII Steam Turbine TechnologiesSteam Turbine Technologies
II General IntroductionGeneral Introduction
Contents
99
In-House Test Facility – Steam Turbine/Generator
HP Test FacilityLP Test Facility
Steam Turbine Test Facility
Verification of New Steam Turbine Technology
Verification of Last Stage Bucket
Generator Test Facility
Efficiency Evaluation
Electrical Characteristics & Mechanical Reliability
Capacity: 100MW to 1,800MW
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High Temperature Creep Rupture Test
High Cycle Fatigue Test
In-House Test Facility – Material Reliability
DHI steam turbine was designed based on DHI’s own material test data base
Stress
Temperature
20% of TS_spec. min. @ Temp.
50% of YS_spec. min. @ Temp.
1) 40% of Average 105hr Rupture Stress
2) 50% of Minimum 105hr Rupture Stress
3) 100% of the Smallest 105hr Rupture Stress
100% of the Creep Strength which produces 1% Plastic Strain in 105hr
ALLOWABLE of Casing
0.1
1
10
101 102 103 104 105
Critical Fatigue Life(Ncr)
Tota
l Str
ain
Ran
ge,
t (%) COST FB2+COST FB2_RT
COST FB2+COST FB2_593oC COST FB2+COST FB2_621oC
COST FB2+ COST FB2
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[SC 660MW]
[SC 800MW]
HP 1F IP 2FLP 48” LSB 2F
HP 1F IP 2F
LP 33.5” LSB 4F
Generator
Generator
SC 660 SC 800
Main Steam Pressure
242 bar 242 bar
Main Steam Temperature
566°C 566°C
Reheat Steam
Temperature593 °C 593 °C
50 Hz SC 660 MW/ 800 MW Turbine
Layout and Steam Conditions
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HP Turbine
OLV Inlet
Assembled diaphragm 3D blade Design TechnologyHoneycomb seal
MSV
CV
OLV*
HP Valves
50 Hz SC 660 MW/ 800 MW Turbine
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IP ICV
IP SV
Assembled diaphragm 3D blade Design TechnologyHoneycomb seal
IP Turbine
50 Hz SC 660 MW/ 800 MW Turbine
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48” LSB
LP 1 to LP 3 Shroud
LP 4 Shroud
Hollow Diaphragm
33.5” LSB
LP Turbine
50 Hz SC 660 MW/ 800 MW Turbine
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Advanced Steam Path Technology
Blade shape 3D Optimization of Turbine Blade
Increased stage efficiencyIncreased stage efficiency
Flow path optimize with compound lean blade High end blade design technology
Compound lean technology Optimized radial reaction to decrease loss
Advanced Technologies (1/5)
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Bucket & Tip Seal Technology
Honeycomb Seal
Minimize installation clearance Minimize friction and maintain tooth profile
Reducing the tip leakage flow Reducing vibration
Continuous Coupled Blade
Reduced tip lossesReduced tip lossesIncreased ReliabilityIncreased Reliability
Reduced tip lossesReduced tip losses
Advanced Technologies (2/5)
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Nozzle & Diaphragm Construction
Hollow type nozzle
Moisture removingWater drain slot in suction & pressure side
High geometrical accuracy High blade surface quality Easy maintenance
Assembled diaphragm
Water Drain Slots
Groove in the Web
Drain Hole in Ring
Advanced Technologies (3/5)
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Schematic Valve Arrangement
Overload Valve Application
BOILER
Control Valves
Stop Valves
Overload Valve
HP B
ow
l
4th
Sta
ge
HP Turbine
Stop Valve
Control Valve Overload Valve
• Smooth control response at overload secured by aerodynamically linearized characteristic
Configuration of Overload valve Chamber
Advanced Technologies (4/5)
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Overload Valve Application•Smooth control response at overload secured by aerodynamically linearized characteristic
•All control valves operate at the same time (Full arc admission)
•OLV is starting to open getting over 100% TMCR
20% 40% 60% 90% 100% 105% (VWO)
90
40
100%
0%
Sliding PressureConstant P. Constant P.
Throttle pressure
Pure Sliding
CV Opening
OLV Opening
Behavour of Control Valves
% of Rated Pressure
ValveOpening
Advanced Technologies (4/5)
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48” Steel LSB for 50 Hz SC 660MW
3D full aero design/Integral blade tip cover
High structural reliability and stability
Verify structural reliability with full scale dynamic test
Curved axial entry dovetail
Shroud
Tie-boss
Fir tree dovetail
0 rpm 3000 rpm
Fatigue test
(full scale)
Vacuum Spin-pin Test
Dynamic TestingCFD Verification
Wind Tunnel Test
Design Basic
Campbell diagram
Advanced Technologies (5/5)
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Current development for 50 Hz SC 660 MW/ 800 MW Turbine
•HIP1F-LP2F•Wheel Stage•48” LSB•2HP & 2IP Valve
•HP1F-IP1F-LP4F•Wheel Stage•33.5” LSB•2HP & 2IP Valve
