Flexible Power Generation for Grid Support utilizing the ... · PDF fileSupport utilizing the...
Transcript of Flexible Power Generation for Grid Support utilizing the ... · PDF fileSupport utilizing the...
Flexible Power Generation for Grid Support utilizing the Aero-derivative Gas
Turbine Technology
Mike Welch, Siemens Industrial Turbomachinery Ltd., United Kingdom
14.12.2016
Unrestricted © Siemens 2016
Page 2 MJW / PG DG SPM NM
Contents
• Introduction • Aero-derivative Gas Turbines • Open and Combined Cycle
Applications • ‘Pulse Load’ Operation • Conclusions
14.12.2016
Unrestricted © Siemens 2016
Page 3 MJW / PG DG SPM NM
Security of Supply
Price of Electricity
Environment
The Energy Trilemma
14.12.2016
Unrestricted © Siemens 2016
Page 4 MJW / PG DG SPM NM
• Lowest Cost of Electricity still the key driver
• High penetration of intermittent Renewable Power Generation
• Decentralisation
• New operating regimes for fossil fuels
Changing Market Requirements
14.12.2016
Unrestricted © Siemens 2016
Page 5 MJW / PG DG SPM NM
lexibility ast Response requent Cycling F
Changing demands on Power Plants
14.12.2016
Unrestricted © Siemens 2016
Page 6 MJW / PG DG SPM NM
• Fast start
• High cyclic life
• Multiple daily starts
• No lock-out on shutdown
• Fast ramp rates
• High efficiency
• Modular plant designs
Aero-derivative gas turbines meet today’s market demands
14.12.2016
Unrestricted © Siemens 2016
Page 7 MJW / PG DG SPM NM
Siemens Gas Turbine portfolio Now even stronger with Aero-Derivative products
Heavy-duty gas turbines
Industrial gas turbines
Aeroderivative gas turbines
50H
z 50
Hz
or 6
0Hz
60H
z 400 MW
307 MW
187 MW
296 MW
242 MW
117 MW
53 to 66/54 to 62 MW
27 to 32/28 to 34 MW
4 to 6 MW
48 to 53 MW
37- 40/38-41 MW
33/34 MW
24/25 MW
19/19 MW
13 to 14/13 to 15 MW
8/8 MW to 9 MW
7/8 MW
5/6 MW
Power Generation / Mechanical Drive
SGT5-8000H
SGT5-4000F SGT5-2000E
SGT6-8000H
SGT6-5000F SGT6-2000E
Industrial Trent
SGT-800 SGT-750
SGT-700
Industrial RB211 SGT-600
SGT-500
SGT-400 SGT-300
SGT-200
SGT-100 Industrial 501-K
With Rolls-Royce aero-derivative
technology
14.12.2016
Unrestricted © Siemens 2016
Page 8 MJW / PG DG SPM NM
Aero Trent 800
Derivation of the Industrial Trent
Industrial Trent
14.12.2016
Unrestricted © Siemens 2016
Page 9 MJW / PG DG SPM NM
LP Compressor
(2 Stage)
LP Turbine (5 Stage)
IP Turbine (1 Stage)
HP Compressor
(6 Stage) HP Turbine
(1 Stage)
IP Compressor (8 Stage)
LP Compressor blade number
creates 50/60Hz
25000 hours operation / 5500 Cycles: 3 starts/day for 4 ½ years
Industrial Trent Gas Turbine: 3 independent shafts for flexibility
14.12.2016
Unrestricted © Siemens 2016
Page 10 MJW / PG DG SPM NM
2.8m (9.1ft)
• Compact footprint: < 30m x 15m (100’ x 50’) • Installation possible < 75 days • Engine change-out within 48 hours • Engine less than 15 tonnes: air freight • Low maintenance costs
• < $5/MWh total (continuous operation)
Designed for Maintainability and Quick Installation
14.12.2016
Unrestricted © Siemens 2016
Page 11 MJW / PG DG SPM NM
• High Energy Efficiency
• Competitive Installed
Costs • US$700 – US$900/kW
• Power enhancement
through ISI • +10MW at ISO
• Synchronous condenser
possibilities
0 20 40 60 80 100
Open Cycle
Combined Cycle
Cogeneration
Typical overall Energy Efficiency for Industrial Trent options (%)
Decentralised Power Generation
Security of Supply
Price of Electricity
Environment
14.12.2016
Unrestricted © Siemens 2016
Page 12 MJW / PG DG SPM NM
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 Time (Minutes)
Power Generated (MW)
50
OEM 2 Dual Fuel Engine Ultra-Fast Start *
SGT-300
501-KB7
OEM 3 Dual Fuel Engine Fast Start
13MW Class Industrial GT Fast Start
* Ultra fast start requires specific pre-start conditions to be met
Industrial Trent (21MW/min ramp)
OEM 4 Gas Engine Fast Start
OEM 1 Gas Engine Regular Start
25
35
15
5
45
Industrial Trent (35MW/min ramp)
Fast Start-up of Gas Turbines
Industrial Trent 100% Load - more than 50MW - from cold in less than 10 minutes
14.12.2016
Unrestricted © Siemens 2016
Page 13 MJW / PG DG SPM NM
Part-Load Efficiency and Ramp Rate
Multiple Units allow: • Operational Flexibility • High efficiency across wide operating range • Low power plant turndown
• approx. 5% rated output while maintaining emissions compliance
• Rapid response to grid demand • 20% power increase per unit in <20 seconds
• Low station power loss during GT maintenance outage
1. Open cycle, natural gas fuel, ISI
14.12.2016
Unrestricted © Siemens 2016
Page 14 MJW / PG DG SPM NM
Industrial Trent: High stress operating cycle – no maintenance penalty
Operation over 2 day period – US location
14.12.2016
Unrestricted © Siemens 2016
Page 15 MJW / PG DG SPM NM
Combined Cycle
High efficiency, fast response Combined Cycle possibilities
Industrial Trent: > 53% net efficiency, full load <40 minutes
• Low exhaust temperature low pressure, low temperature HRSG • reduced thermal stress allows improved cycling performance • Fast / multiple start capability with OTSG
• Duct firing for further flexibility • 2 + 1 with duct firing: 20% to 110% rated station load
• ‘Water-free’ possibilities: Organic Rankine Cycle • < 20 minutes to full load of combined cycle plant possible on warm start
14.12.2016
Unrestricted © Siemens 2016
Page 16 MJW / PG DG SPM NM
4 hour pulse
14 hour pulse
0 120 240
100
50
75
25
Time from beginning of Pulse (mins)
Pulse Load Operation
14.12.2016
Unrestricted © Siemens 2016
Page 17 MJW / PG DG SPM NM
100MW Power Plant
ICE CC ICE Trent DLE OC
Trent DLE CCGT
Trent + ORC
Full Load Net Efficiency % 44 49.2 41.87 53 50
Start-up time Mins 5 50 10 40 20
Shut-down time Mins 1 20 5 20 10
O&M costs (2000 hrs/yr operation)
$/MWh 5.5 5.5 4 5 4.5
Start-up costs $/MW - - - -
Pulse Load Operation
14.12.2016
Unrestricted © Siemens 2016
Page 18 MJW / PG DG SPM NM
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
4 8 14
ICE
ICE CC
Trent DLE
Trent DLE CCGT
Trent DLE + ORC
Aero-derivative Gas Turbines offer a competitive solution….
Cost per pulse (US$)
14.12.2016
Unrestricted © Siemens 2016
Page 19 MJW / PG DG SPM NM
And a clean one too….
0
100
200
300
400
500
600
NOx CO UHC Particulates Formaldehyde
18MW RICE
Industrial Trent 60 DLE
ISO, zero loss Natural Gas fuel 250MW Plant Output 700 Hours/year operation Open cycle No post-combustion clean-up
Environmental Benefits of Gas Turbines • > 70% NOx reduction • > 85% CO reduction • > 98% UHC reduction • > 35% Particulates
reduction • > 90% VOC reduction
Combustion Emissions Comparison (tonnes/year)
14.12.2016
Unrestricted © Siemens 2016
Page 20 MJW / PG DG SPM NM
… with low GHG Emissions
8090
100110120130140150160170180
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
CO2 Emissions - gas fuel
CO2eq Emissions (3.2g/kWhmethane slip)CO2eq Emissions (0.05g/kWhmethane slip)CO2 Emissions - diesel fuel
3.2 g/kWh methane slip almost eliminates CO2 savings by switching to gas from diesel - 48% efficient power plant emits CO2 eq to 36% efficient power plant with no methane slip - 0.05 g/kWh methane slip has negligible impact on CO2 eq
CO2 EQ Emissions (Tonnes/hour) for 250MW Power Plant according to efficiency
Tonnes/hour GHGs
Power Plant Efficiency (%)
14.12.2016
Unrestricted © Siemens 2016
Page 21 MJW / PG DG SPM NM
Industrial Trent Ultra-Flexible combined cycle
Warm start, DLE operation Start-up after up to 8 hours standstill • Gas Turbine at full load in 7
minutes • Steam Turbine in 22 minutes.
0
10
20
30
40
50
60
70
0 10 20
Elec
tric
pow
er (M
W g
ross
)
Time (minutes)
Industrial Trent Flex CC< 8 hours standstill
Plant
GT
ST
14.12.2016
Unrestricted © Siemens 2016
Page 22 MJW / PG DG SPM NM
Hybrid Power Plant
Combine GT / CCGT with BESS for even faster response
-10
0
10
20
30
40
50
60
70
80
90
0 10 20 30 40
Elec
tric
pow
er (M
W g
ross
)
Time (minutes)
Plant
GT
ST BESS
• BESS moves Plant response to within 1 second 80 MW, 30 MWh BESS capacity - 15 MWh used
14.12.2016
Unrestricted © Siemens 2016
Page 23 MJW / PG DG SPM NM
Aero-derivative Gas Turbines offer fast, flexible and efficient despatchable power generation to address the Energy Trilemma
Conclusions
• Low environmental impact • GHGs, Combustion Emissions, Water
• Enhances security of electricity supplies • Voltage and Frequency support
• Competitive economics for low cost electricity needs in a high intermittent renewables scenario
14.12.2016
Unrestricted © Siemens 2016
Page 24 MJW / PG DG SPM NM
Disclaimer
This document contains forward-looking statements and information – that is, statements related to future, not past, events. These statements may be identified either orally or in writing by words as “expects”, “anticipates”, “intends”, “plans”, “believes”, “seeks”, “estimates”, “will” or words of similar meaning. Such statements are based on our current expectations and certain assumptions, and are, therefore, subject to certain risks and uncertainties. A variety of factors, many of which are beyond Siemens’ control, affect its operations, performance, business strategy and results and could cause the actual results, performance or achievements of Siemens worldwide to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements. For us, particular uncertainties arise, among others, from changes in general economic and business conditions, changes in currency exchange rates and interest rates, introduction of competing products or technologies by other companies, lack of acceptance of new products or services by customers targeted by Siemens worldwide, changes in business strategy and various other factors. More detailed information about certain of these factors is contained in Siemens’ filings with the SEC, which are available on the Siemens website, www.siemens.com and on the SEC’s website, www.sec.gov. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described in the relevant forward-looking statement as anticipated, believed, estimated, expected, intended, planned or projected. Siemens does not intend or assume any obligation to update or revise these forward-looking statements in light of developments which differ from those anticipated.
Trademarks mentioned in this document are the property of Siemens AG, its affiliates or their respective owners. TRENT® and RB211® are registered trade marks of and used under license from Rolls-Royce plc. Trent, RB211, 501 and Avon are trade marks of and used under license of Rolls-Royce plc.
Thank you. Any questions ?
Mike Welch Industry Marketing Manager
Siemens Industrial Turbomachinery Ltd. Waterside South
Lincoln, United Kingdom Phone: +44 (1522) 584000 Mobile: +44 (7921) 242234
E-mail: [email protected]
Please visit us at Booth 5100