Innovation in Power Plants
Dimitry Perel, E O IP Sales, SIL
dimitry.perel@siemens.com
October 2013
Page 1
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Trends in Gas Power
Plants
Page 2
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Trends in Gas Power Plants
 High efficiency
 High availability and reliability
 Environmental impact - low emissions level
 Fast start up time, high responsiveness
 “Peaking” trend
Page 3
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Gas Power Plants – main cost components
CAPEX
 Permitting
 Engineering
 Main equipment cost
 Supplementary systems
cost (BOP)
 Civil works cost
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2013
OPEX
 Fuel cost
 Scheduled maintenance cost
 Routine maintenance cost
(water/lube oil etc…)
 Outages
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Dry Low Emission (DLE)
Combustion System
Page 5
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Dry Low Emission (DLE) Combustion System
Customer Requirements
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Gas turbines with low NOX emissions
Maintaining low carbon monoxide (CO)
Proven and reliable systems
Highly efficient emission reduction
Low cost maintenance
Our Solution
Customer Benefits
 Robust and scalable DLE technology
 Broad GT range
 Pre-mix combustion philosophy
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2013
Low NOX (mostly <15ppm NOX)
Stable emissions of CO
Maintaining stable engine operation
High reliability - minimizing maintenance
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Uncomplicated and stable DLE system
 Low emissions with gas and
liquid fuel
 Insensitive to ambient conditions
 No moving parts
 No need in regular tuning
 Rapid load changes allowed
Page 7
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Dual-Fuel 4rd generation DLE Burner
Page 8
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
The SGT-800 DLE combustion system capability
Page 9
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
DLE - summary
CAPEX
 Permitting
 Engineering
 Main equipment cost
 BOP cost
 Civil works cost
Page 10
2013
OPEX
 Fuel cost
 Scheduled maintenance cost
 Routine maintenance cost
(water/lube oil etc…)
 Outages
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
SGT750 Industrial
Power Turbine
Page 11
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
SGT750
Market Requirements
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Gas turbine rated 36MW
Suitable both for PG and MD
High efficiency
High availability and reliability
Low emissions level
Our Solution
Customer Benefits
 Siemens DLE combustion system
 36MW ISO output with 38.7% el. efficiency
 Perfect compatibility both for MD, SC, CC and
cogeneration
 High reliability and serviceability
 TBO 68,000 EOH
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Proven DLE technology - reliable combustion
Highest uptime in class
High power output and high efficiency
Smart service concept - 68,000 hours
between major overhauls
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Compressor
3 Compressor Bleeds
2 variable guide vanes
13 stages
Pressure ratio 24
Page 13
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
SGT-750 Inlet and Compressor
Visual access to
compressor inlet during
operation
Electrical starter motor in
front of compressor
Low-weight inlet plenum
on wheels for easy
maintenance
Page 14
2013
Borescope ports
for each stage
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Combustor system
8 combustor cans
Page 15
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Combustor design
Convective combustor cooling
Combustor
Transition duct
Page 16
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
4th generation DLE burner
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Combustion air path
Main 2 gas fuel
Main 1 gas fuel
Pilot gas fuel
RPL gas fuel
(Rich Pilot Lean)
Page 17
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Turbine
• Brush seals – fuel-efficient
• IR-camera access ports – online blade temperature
• Curvic disk couplings - easy maintenance
• Retaining stator rings - easy maintenance
Two-stage air-cooled compressor turbine
Two-stage counter-rotating
uncooled power turbine
Page 18
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Compressor Turbine
IR camera access to blades 1 & 2
Two turbine stages
Conventional materials
Bolted to compressor rotor
Page 19
2013
Turbine blade 1 cooling
based on Siemens
experience
Brush seals
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
SGT-750 Infra-red camera ports
A temperature-sensitive camera can
measure the temperature pattern of
each blade.
IR camera port
Blade
Example
Platform
Thermal Barrier Coating (TBC)
delamination
Page 20
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
SGT-750 Industrial power turbine
• 2-stage high-speed (6,100 rpm) Power Turbine
• Compact and efficient
• Suitable for both power generation and mechanical drive
• Power turbine inlet guide vane can be set for different ambient conditions
Two shrouded uncooled blades
and honeycomb seals
High efficiency diffuser
Bolted rotor
Page 21
Two tilting pad (long life) bearings
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Package layout
Power generation
Air intake
Exhaust
Auxiliary room
AC-generator
Main Gear
Maintenance crane
GT room
Page 22
2013
Maintenance door
Industrial Power (E O IP)
Foot print
Power generation 20,3 x 4,8 m
SIL presentation for Electricity Convention 2013
SGT750 – first unit manufactured
Page 23
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
SGT750 - summary
CAPEX
 Permitting
 Engineering
 Main equipment cost
 BOP cost
 Civil works cost
Page 24
2013
OPEX
 Fuel cost
 Scheduled maintenance cost
 Routine maintenance cost
(water/lube oil etc…)
 Outages
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Steam Turbines for
Solar Thermal Power
Plants
Page 25
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Steam Turbines for Solar Thermal Power Plants
Market Requirements
 Highest efficiencies to minimize costs for the
solar field
 Fast startup time to expand power generation
period
 Designed for daily cycling
 High reliability
 Easy maintenance
Bild 1
Our Solution
Customer Benefits
 Siemens comprehensive steam turbine
portfolio for solar thermal power plants from
1,5 to 250 MW
 Multi-purpose proven design for any new
upcoming project
 in non-reheat and reheat solutions
 with axial exhaust to save civil work costs
 Highly efficient, short payback of investments
 Designed for daily start-up and shutdown
without reducing life time
 Rapid start-up times
 Daily cycling with low minimum load, maximum
running hours per day for plants without heat
storage
Page 26
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Present thermosolar technologies…
Yes: Siemens Steam Turbines
Yes: Siemens Steam Turbines
Parabolic Trough
Central Tower
Yes: Siemens Steam Turbines
Stirling Dish Engine
Linear Fresnel Type
Page 27
2013
No Steam Turbine
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
The first project since the -80’ies...
Nevada Solar 1, Boulder City.
Siemens Reheat Steam
Turbine SST-700RH
Steam: 90 Bar, 371 °C
Nominal output: 74 MWe
Max output:
76 MWe
PAC date: June 2007
Page 28
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Boulder City solar field under erection
Page 29
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Boulder City, Site erection 2006
Condenser
LP-Turbine
(locally supplied)
Generator
Gearbox
HP-Turbine
Auxiliary systems
Page 30
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Delivery of LP solar steam turbine to Andasol, Spain
Page 31
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Andasol, Spain:
The first commercial European CSP project
Picture from Early spring 2008
Plant now in operation
Page 32
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Andasol, Spain:
The first commercial European CSP project
Page 33
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
The Andasol Solar Cycle
Water Steam Cycle ~380 °C
Heat Transfer Fluid
Page 34
2013
SST-700RH
Max 390 °C
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
An ISCCS - cycle
(Integrated Solar Combined Cycle System)
Typical design for project Hassi R’Mel in Algeria for Abener (and Kuraymat in Egypt for Iberdrola)
SIEMENS
SIEMENS
Gas Turbines 2x SGT-800
Steam Turbine SST-900
Figure by FLAGSOL GmbH 2008
Page 35
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Siemens steam turbine solution for CSP plants
SST-700 HP/LP for Thermosolar Power Plants
Page 36
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Siemens Steam Turbine SST-700
Vacuum pumps
Gland steam
condenser
Generator
Condenser
Gearbox
HP Turbine
LP Turbine
Hydraulic- &
Lubrication oil
units
Page 37
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
HP Turbine Steam turbine for CSP plants
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High speed turbine ~8960 rpm for High Efficiency
Thermoflexible barrel casing for quick start-up and cool-down
Easy assembly and maintenance thanks to barrel design
Initially a Marine turbine developed for ship propulsion
Page 38
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
LP Turbine Steam turbine for CSP plants
Direct Driven
3000 rpm
Page 39
Exhaust
Last Stage Blades
Axial connection to condenser Three fixed rows of standard blades
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Siemens Steam Turbine SST-900 for Central Tower
Central Tower non-reheat turbine:
Single casing Steam Turbine type
SST-900 with axial exhaust up to
~180 MWe
Page 40
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Advantages with Siemens Solar Turbines
 High efficiency
=> Higher production or smaller solar field.
 Daily cycling design
=> Turbine designed for daily cycling.
 Fast start up time
=> Longer time producing power.
 Barrel casing HP
=> Thermal stress, easy maintenance.
 Low foundation
=> Easer and cheaper foundation.
 Axial condenser
=> Increased efficiency.
 Premium materials
=> Long life and high availability.
 High speed HP turbine => Higher efficiency.
 Siemens experience
=> Know-how and product development.
 Siemens high quality
=> Long life design.
 Siemens global service => Local services and back-up
 Siemens proven design=> High reliability.
 Siemens standard concept
=> Pre-designed solar turbine
 Siemens reputation
=> Easier financing
Page 41
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013
Thank You
Page 42
2013
Industrial Power (E O IP)
SIL presentation for Electricity Convention 2013