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Mitsubishi Business Confidential
Advanced Turbine Technologies forAdvanced Turbine Technologies forHigh Efficiency CoalHigh Efficiency Coal--Fired Power PlantsFired Power Plants
22ndnd IndiaIndia--Japan Energy ForumJapan Energy ForumPromoting cooperation in energy efficiencyPromoting cooperation in energy efficiency
4-5 February 2008
Mitsubishi Business Confidential
1. THERMAL EFFICIENCY & STEAMCONDITIONS
2. MITSUBISHI 5001000MWCLASS TURBINE
3. MHI ADVANCED TECHNOLOGY FOR HIGH EFFICIENCY
4. CONCLUSION
CONTENTS
Mitsubishi Business Confidential
1. THERMAL EFFICIENCY & STEAM CONDITIONS
Mitsubishi Business Confidential
STEAM CONDITON & EFFICIENCYSTEAM CONDITON & EFFICIENCY
Steam Temperature ()
N
e
t
E
f
f
i
c
i
e
n
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y
(
%
L
H
V
)
C
O
2
R
e
d
u
c
t
i
o
n
(
%
)
Net Efficiency
CO2 Reduction
Inlet Steam Temperature
Mitsubishi Business Confidential
THERMAL EFFICIENCY & HEAT RATETHERMAL EFFICIENCY & HEAT RATE
BASE
600/600
566/593566/566
538/566
538/538
MPa x degC(%)
1.7
0.8
0.9
0.8
0.9
24.216.7Steam Pressure (MPa abs.)
H
e
a
t
R
a
t
e
d
i
f
f
e
r
e
n
c
e
o
f
T
u
r
b
i
n
e
Mitsubishi Business Confidential
0
500
1000
1950 1960 1970 1980 1990 2000OPERATION YEAR
MW
75 MW REHEAT STEAM TURBINE
SUPERCRITICAL600 MW
NUCLEAR 340 MW
SUPERCRITICAL1000 MW
SUPERCRITICAL1050MW
1175 MW
156 MW
1000 MW1050 MW
1371 MW
1180 MW
NUCLEAR
FOSSIL
HISTORY OF MHI LARGE STEAM TURBINESDEVELOPMENT OF TURBINE CAPACITY
Mitsubishi Business Confidential
HISTORYOF MHI LARGE STEAM TURBINESDEVELOPMENT OF STEAM PRESSURE & TEMPERATURE
400
450
500
550
600
650
350
OPERATION YEAR1950 1960 1970 1980 1990 2000
510
566
480
538
SHIN-TOKYO #4 (538/538)
75MW
OSAKA #3 (566/538) 156.25MW
GOI #5 (566/566)
350MW
WAKAMATSU STEP1 (593/593)
50MW
WAKAMATSU STEP2 (649/593)
50MW
HEKINAN #3 (538/593)
700MW
MISUMI #1 (600/600)
1000MW
MATSUURA #2 (593/593)
1000MW
TACHIBANAWAN #2 (600/610)
1050MW
4259 60
88102
127169
190
246 250255
0
50
100
150
200
250
300
350
400kg/cm2g
2010
PRESSURE
TEMPERATURE
Mitsubishi Business Confidential
MHI EXPERIENCE OF SUPERCRITICAL LARGE STEAM TURBINE
600/600C24.5MPa1000MW#1MISUMI600/610C25.0MPa1050MW#2TACHIBANAWAN
595/595C24.5MPa900MW#1MAIZURU600/600C24.5MPa600MW#5HIRONO
593/593C24.1MPa1000MW#2MATSUURA 566/593C24.1MPa500MW#1NANAO-OTA538/593C24.1MPa700MW#3HEKINAN
ADVANCED STEAM CONDITION
MORE THAN 34 YEARS:LONG TERM OPERATIONEXPERIENCE
(ALL UNITS IN SERVICE)28 UNITS:LARGE CAPACITY (600MW)
Mitsubishi Business Confidential
HIGHEST STEAM TURBINETHERMAL PERFORMANCE
Turbine Type : CC4F-46 Steam Condition : 25.1MPa600/610YEAR IN OPERATION : DEC. 2000
J-POWER TACHIBANAWAN #2 1050MW
Mitsubishi Business Confidential
3000rpm 48inch Steel ISB
2 pad journal bearing
Advanced direct support LP frame
Advancedflow guide
12Cr HIP Rotor
600C class advancedHP-IP combined frame
HIGH EFFICIENCY AND ECONOMICAL DESIGN 600MW CLASS with 3000rpm 48inch ISB
TOKYO ELEC. HIRONO #5 600MW
TURBINE TYPE : TC2F-48STEAM CONDITON : 24.6MPa600/600YEAR IN OPERATION : Jul.2004
Mitsubishi Business Confidential
2. MITSUBISHI 500MW1000MW Class Turbine
Mitsubishi Business Confidential
OPTIMIZED COMBINATION OF TURBINE COMPONENTS FOR VARIOUS POWER OUTPUT
1200
1100
1000
900
800
700
600
500
400
A
p
p
l
i
c
a
t
i
o
n
R
a
n
g
e
(
M
W
)
2 Casings
1LP+HIP
4 Casings
2LP+HP+IP
3 Casings
2LP+HIP
4 Casings(Cross Compound)
1000MW
800MW
660MW
500MW
Mitsubishi Business Confidential
OPTIMIZED COMBINATION OF TURBINE COMPONENTS FOR VARIOUS POWER OUTPUT
HIP TurbineHIP Turbine
LP TurbineLP Turbine HP TurbineHP TurbineIP TurbineIP TurbineGeneratorGenerator
HIP TurbineHIP Turbine
Mitsubishi Business Confidential
HP-IP Combined Turbine
F3D ISB Reaction Blade
IP Inlet Cooling
Advanced 12Cr Rotor Forging
Features of HP-IP Combined Turbine Shorter longitudinal span Smaller differential expansion Easy maintenance
Mitsubishi Business Confidential
F3D ISB REACTION BLADEF3D ISB REACTION BLADEAdvanced steam path design by fully 3-D CFD analysis methodologies
Stationary BladesStationary Blades Rotating BladesRotating BladesEFFICIENCY VERIFICATION TEST IN LABORATORY
F3D blades are now applied to all new orders since 1991
Test Result of Static Pressure CFD Analysis
Mitsubishi Business Confidential
ROTOR COOLING ARRANGEMENTRotor surface around IP inlet is cooled by the HP exhaust steam
Cooling Steam Path
COOLING STEAM
FROM HP EXHAUST
Mitsubishi Business Confidential
ISB FLEET FOR LAST BLADE (For 50Hz)
Mitsubishi Business Confidential
ADVANTAGES OF ISB LP END BLADES
ISB Conventional Grouped Blade
Larger damping is generated by the contact at the shrouds and snubbers, which is caused by the twist-back deformation due to centrifugal force.
Reduction in Vibration Stress
ISB GB
Damping
Mitsubishi Business Confidential
3. MHI ADVANCED TECHNOLOGY FOR HIGH EFFICIENCY
Mitsubishi Business Confidential
Steady FlowSteady Flow
Measured
CFDCFD
Base
Tip
LATESTCFDANALYSISMeasured
Tip
Base
Unsteady FlowUnsteady Flow
Blade ExitBlade Exit
Mitsubishi Business ConfidentialSectional View
Stationary blade
Test EquipmentTest Equipment Test of MHI bladeTest of MHI bladeat Cambridge Univ.at Cambridge Univ.
Measurement
CFDLoss Coefficient
Rotating blade
COLLABORATION WITH CAMBRIDGE UNIV.
Mitsubishi Business Confidential
Model Test Turbine
Measuring at MHI Model Test Turbinewith Fast Response Aerodynamic Probe (FRAP)
Measurement Result(Total pressure at blade exit)
ETH: Eidgenossische Technische Hochschule Zurich Swiss Federal Institute of Technology Zurich
COLLABORATION WITH ETH
Mitsubishi Business Confidential
CFD APPLICATION TO ENTIRE TURBINE
Mitsubishi Business Confidential
NEW HEAT-RESISTANT ALLOY DEVELOPMENT
Type 316H Type 316H 3Co12CrMoWVNbB3Co12CrMoWVNbB
(MTV10A)(MTV10A)Super 9CrSuper 9Cr
(T91)(T91)2.25CrMo2.25CrMoValveValve
W545W5453Co12CrMoWVNbB3Co12CrMoWVNbB(MTB10A)(MTB10A)12CrMoWVNb12CrMoWVNb(10705MBU)(10705MBU)
12CrMoWV12CrMoWV(Type 422)(Type 422)BladeBlade
Type 316HType 316H3Co12CrMoWVNbB3Co12CrMoWVNbB
(MTC10A)(MTC10A)12CrMoVNb12CrMoVNb
(MJC(MJC--12)12)2.25CrMo2.25CrMoInner Inner
CasingCasingNozzle Box Nozzle Box
Modified Modified A286A286
3Co12CrMoWVNbB3Co12CrMoWVNbB(MTR10A)(MTR10A)
12CrMoVNb12CrMoVNb(TMK(TMK--1)1)CrMoVCrMoVHP/IP RotorHP/IP Rotor
650650 630630 610610 566566Steam Steam
TempTempTurbine PartsTurbine Parts
Developed by MHIDeveloped by MHI
Mitsubishi Business Confidential
WAKAMATSU HIGH TEMPERATURE TURBINE J-POWERNew heat-resistant material were tested in the actual turbine in 1986-91
STEP STEP 102kg/cm2g x 593/593
FERRITICMATERIAL102kg/cm2g x 649/593AUSTENITICMATERIAL
NEW 12Cr Rotor Forging TMK1
NEW 12Cr Cast Steel MJC12
9Cr2Mo Forged Steel HCM9M
Modified A286 Rotor Forging
SUSF316H Forged Steel
SUSF316H Forged Steel
Mitsubishi Business Confidential400ton/h steam can be applied to test facility.
Turbine Casing
CondenserControl Room
LP TURBINE TEST FACILITY
Mitsubishi Business Confidential
VERIFICATION TEST RESULT(3000RPM 48-INCH BLADE)
!
"# $ $
%&
'(
)
!
"#
$ $
%&
'(
)
0 150 300 450 600Load (MW)
500mmHg600mmHg722mmHg
Exhaust flow (t/h)
V
i
b
r
a
t
o
r
y
S
t
r
e
s
s
Field Telemetry Test (700mmHg)Field Telemetry Test (722mmHg)
Model Turbine Test
Exhaust Volumetric Flow
Test ResultDesign Value
Blade Vibratory Stress Turbine EfficiencyLow Stress in All Range High Efficiency Confirmed
Mitsubishi Business Confidential
ROTATING VIBRATORY TEST RESULT(3000RPM 48-INCH BLADE)
Rotating vibratory test rotorwith 48-inch steel blades
Test results of the vibratory Characteristics
Rotating speed (rpm)F
r
e
q
u
e
n
c
y
(
H
z
)
2nd Mode
1st Mode
Rated Speed
Mitsubishi Business Confidential
IN-HOUSE POWER PLANT(T-Point)
Gas Turbine
Steam TurbineHRSG
ACC
ST Type : SRT-36 (Single Cylinder Reheat Turbine)
ST Output : 105MWSteam Condition : 139 kg/cm2g 566 / 410 Commercial Operation : JULY 1997
Execute the Verification Program in Order to Confirm the Reliability of New Technology
Mitsubishi Business Confidential
WIRING(LOWER CASING & ROTOR INSTALLATION)
WIRING(UPPER CASING INSTALLATION)
NEW TECHNOLOGY VERIFICATION (IN-HOUSE POWER PLANT)
Mitsubishi Business Confidential
4. CONCLUSION
1. MHIs abundant experience of super-critical turbines with high temperature represents that the technologies are innovative and reliable.
2. MHI achieves a high level of technologies, especially for steam flow optimization with CFD and heat-resistance material development, which are regarded as the key technology.
3. Comprehensive verification, utilizing world-class facility and full-scale test turbine, ensures the performance and reliability of the latest technologies, even which are innovative ones.
Mitsubishi Business Confidential
L&T-MHI Turbine Generator Private Limited-Indigenized Domestic Company-
JV has been established on Nov.5th, 2007 byL&T (LARSEN & TOUBRO LIMITED) of 51% share, MHI (Mitsubishi Heavy Industries, Ltd.) of 49% share (MELCO takes 10% share from 49%)
1,030 Crores 4,000MW
per annum 900 Mumbai and
Surat (Hazira)
Surat(Factory)
!!"#
Mitsubishi Business Confidential
L&T-MHI Turbine Generator Private Limited-Indigenized Domestic Company-
500/600/800/1000MWSupercritical Steam Turbine
Generator and
150/300MW Steam Turbine Generator for Gas Turbine
Combined CycleAssembly of 1000MW Turbine in MHI Nagasaki
Mitsubishi Business Confidential
L&T-MHI Turbine Generator Private Limited-Indigenized Domestic Company-
JV can;(1) Solve Huge Electric
Demand
(2) Achieve Customer Satisfaction in Maintenance
(3) Produce Lots of Employment in India
Rotor Assembly Shop in MHI Nagasaki
High Speed Balance Machine
JV factory will have the same capability as of MHI Nagasaki
Mitsubishi Business Confidential
L&T-MHI Turbine Generator Private Limited-Indigenized Domestic Company-
JV Should be Qualified,Because;
(1) Fully Supported by MHI, MELCO and L&T Financially and Technically
(2) Transferring Mitsubishis Most Advanced Technology for Steam Turbine Generator
(3) Of Course, Indigenized Domestic Company