Flexible and Reliable Power Generation with Gas Turbines ... Woeller... · Siemens Power Generation...

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Flexible and Reliable Power Generationwith Gas Turbines in Open Cycle and Combined Cycle Power PlantsOlaf Wöller, Dep.Sales Director AfricaAfrican Utility Week 2007 – Cape Town

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Power Generation 2African Utility Week, Cape Town 30 May 2007

Coal fired plantCoal fired plant

Hydro power plantHydro power plant

Nuclear power plantNuclear power plant

Open and Combined Cycle power plantOpen and Combined Cycle power plantWind energy converterWind energy converter

Siemens Technology for Power Generation

... provides you components and solutions for the w hole range of power plants

Stationary Fuel cellsStationary Fuel cells

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What is the „right“ type of technology ?

Economics

Environmental Awareness

Operational Requirements (load demand, operational flexibility, ..)

Main aspects to be considered …

Availability of fuel resources

�� lead to a country and project specific answer

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Coal8.1% of world

reserves

Natural Gas8.0% of world

reserves

Fossil Energy Data of Africatotal Africa and major countries for each energy carrier

1.5

Algeria

1.2

Angola

5.1

Libya

4.8

Nigeria

2.5

Others

15

Total Africa

3222

38

63

2017

AlgeriaAngola Libya NigeriaOthers Total Africa

4.1

Algeria

1.7

Egypt

1.3

Libya

4.7

Nigeria

1.1

Others

13

Total Africa

88

170

240

130

5452

Algeria Egypt Libya NigeriaOthers Total Africa

35

South Africa

0.4

Zimbabwe

0.7

Others

36

Total Africa

200125

200

490

South Africa

Zimbabwe

Others Total Africa

Oil9.5% of world

reservesReservesin Gtoe

Range ofCoveragein Years

Source: BP Statistics of 2006

Reservesin Gtoe

Range ofCoveragein Years

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Economics

Economy doesn’t decide on it’s own. ‘Soft’-factors more often considered in customer technology choices.

Attractiveness(security of energy supply, energy policy, environm ental compliance, social acceptance)

Cos

ts o

f pro

duce

d el

ectr

icity

[€ce

nt/k

Wh]

2

3

4

5

6

0% 20% 40% 60% 80% 100%

Gas CC

Coal SPP

Wind *)

Hydro

Nuclear

IGCC

Today (2005 – 2007)

Tomorrow (2011 – 2015)

= 1 GW/a

40

50 Solar PV *)

*) av. European conditions

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Environmental AwarenessCO2 Becomes a Driver

Souce: IEA, Paris 2004

CO2 Reduction Through Efficient Technologies

Efficiency [%]

Reduction potential4.0 billion t/a CO 2

Reduction potential1.6 billion t/a CO 2

Emissions6.0 billion t/a CO 2

2020

10

30

50

70

1940 1960 1980 2000

Gas Plants(replacing coal plants)

Coal Plants (at highest available efficiency)

Coal Plants(as installed)

CO2 Emissions by Application

23580

27820

33230

0

10000

20000

30000

40000

50000

2002 2010 2020

Mt CO2

Other ApplicationsElectricity and Heat Generation from

GasOilCoal

40%41% 43%

18%

19%

High Efficient Technologies Needed to Limit the CO 2 Emissions

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Niederaußem, 965 MW

Reference STPP NRW,600 MW

43% 47%

Mainz-Wiesbaden, 400 MW

58%

Hard coal-fired steam power plant

Combined-cycle power plant

Lignite-fired steam power plant

1992: 52 % 2005: 58 % Target 2020: > 60 %

1992: 36 %2005: 43 %Target 2020: > 50 %

1992: 43 %2005: 47 %Target 2020: > 50 %

Development of efficiency

Siemens PG fossil-based technology is setting efficiency standards worldwide

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Siemens Gas TurbinesFrom 5 MW to 340 MW

Figures in MW

SG

T-10

0

SG

T5-8

000H

SG

T-20

0

SG

T5-3

000E

SG

T-40

0

SG

T-60

0

SG

T-50

0

SG

T-70

0

SG

T-80

0

SG

T-10

00F

SG

T6-2

000E

SG

T6-3

000E

SG

T6-6

000G

SG

T6-4

000F

SG

T6-5

000F

SG

T5-4

000F

SG

T-30

0

SG

T5-2

000E

SGT = Siemens Gas Turbine

5 7 8 13 17 25 3045

68

110 121

168185 191 200

267287

340

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SGT5-2000E


Combined cycle power plantssingle- or multi-shaft

(1x1)

Type of gas turbine

Gas turbine in open cycle

SGT5-4000F

191SGT6-6000G

SGT6-5000F

SGT6-3000E

SGT-1000F

Combined cycle power plants

multi-shaft (2x1)

287416

832

68101

201

794

200293

591

121173

347

267397

Gas turbines and combined cycle power plants: from 68 MW to 832 MW

Figures in MW

168251

505

191SGT5-3000E 290

576

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Combined-Cycle Reference Power Plants

Multi Shaft

Single Shaft

60 Hz:

SCC6-1000F 1S

SCC6-4000F 1S

SCC6-6000G 1S

50 Hz:

SCC5-1000F 1S

SCC5-3000E 1S

SCC5-4000F 1S

SCC5-8000H 1S

50 Hz:

SSC5-2000E

SCC5-3000E 2x1

SCC5-4000F 2x1

60 Hz:

SCC6-4000F 2x1

SCC6-5000F 1x1 / 2x1

SCC6-6000G 2x1

SCC = Siemens Combined Cycle

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Operational Requirements

Short term project development

Fast construction and commissioning time

High Operation Flexibility

possible by using highly reliable technology with low environmental impact

by using proven pre-engineered component packages

by capability of burning a variety of fuels as well as fast starting capability

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The Eskom 1000 MW OCGT Power Plant

Siemens Scope: Engineering – Procurement – Manufacturing (EPC), Delivery, Erection, Commissioning, Testing Client Training

Civil by client(acc.Siemens Basic Design)

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The Eskom 1000 MW OCGT Power Project

Atlantis site: 600 MW

Mossel Bay: 450 MW

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Siemens Gas Turbine 2000E

Figures in MW

SG

T-10

0

SG

T5-8

000H

SG

T-20

0

SG

T5-3

000E

SG

T-40

0

SG

T-60

0

SG

T-50

0

SG

T-70

0

SG

T-80

0

SG

T-10

00F

SG

T6-2

000E

SG

T6-3

000E

SG

T6-6

000G

SG

T6-4

000F

SG

T6-5

000F

SG

T5-4

000F

SG

T-30

0

SG

T5-2

000E


5 7 8 13 17 25 3045

68

110 121

168185 191 200

267287

340SGT5-2000E a long proven gas turbine

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Atlantis4 x SSC5-2000E � 600 MW in comm. operation 2007

Mossel Bay 3 x SSC5-2000E� 450 MW in comm. Operation 2007

Extension by 5 x SSC5-2000E planned � further 750 MW

Extension by 2 x SSC5-2000E planned� further 300 MW

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(Standard design, ISO ambient conditionsFuel: Natural Gas)

Proven workhorse with excellent operational and fuel flexibility

The Gas Turbine SGT5-2000E

Performance Data

Gross power output [MW] 168

Gross efficiency [%] 34.8

Gross heat rate [kJ/kWh] 10,450

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Low NOx combustion system withhybrid burners for pre-mix and diffusion mode

world bank criteria without waterinjection

The perfect peaker for fuel oil

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World Bank SGT5-2000E

NOx1 61 ppmGas 25 ppm

80 ppm(No. 2)Fuel Oil 2) dry 80 ppm

water injection 42 ppm

CO no restrictions < 10 ppm

UHC no restrictionsGas 4 ppm

Fuel oil 2) 6 ppm

1) in premix mode at base load and ISO conditions (at 15 % Oxygen in dryexhaust gas)

2) according to ASTM


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Normal starting load gradient

13MW/ min

Fast starting load gradient

30 MW/min

Fast starting capabilitya major advantage for peaking and black start application

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operation not only with natural gas, but a wide range of fuel can be burned such as

• Diesel Fuel Oil

• Heavy Oil

• Refinery Residues

about 300,000 Operating Hours with ash forming fuelsabout 140,000 Operating Hours with

- syngas- coal gas - steel making recovery gas

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… highest availability due to long maintenance intervalls and short inspection outages

1500 starts possible in between major / hot gas path inspections!

� first hot gas path inspection after approx 5 years (@300 starts/y)


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World Class ReliabilityFOF < 1%


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The Core EquipmentSiemens proven SGT5-PAC -2000E

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Noise enclosure

Terminal Point at HV-side Unit-Transformer

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Extension to the

Siemens Combined Cycle Power Plant

SCC5 – 2000E

possible

Outlook

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SCC5-2000E (2+1)Total Plant View

Outlook SCC5-2000E (2+1)

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SCC5-2000E (2+1)

Performance :

SCC5-2000E (2+1)Power output: ca 492MWEfficiency: ca 52.6 %

Major service interval 33000 and 41000 EOH

Major ComponentsGas Turbine: SGT5-2000E (V94.2)

Steam Turbine: SST5-4000 (DN type)

Generator: SGen5-1000A (104/50)

Water-/Steam cycle configuration

2 Pressure , horizontal HRSG, natural circulation

Performance :

SCC5-2000E (2+1)Power output: ca 492MWEfficiency: ca 52.6 %

Major service interval 33000 and 41000 EOH

Major ComponentsGas Turbine: SGT5-2000E (V94.2)

Steam Turbine: SST5-4000 (DN type)

Generator: SGen5-1000A (104/50)

Water-/Steam cycle configuration

2 Pressure , horizontal HRSG, natural circulation

Outlook

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Current example :

Project Az Zour, Kuwait

First stage: OCGT with 8 x 2000E

Comm. Operation since 2004/2005

� Start CC conversion 05/2007

� Final Configuration 2x (4+1)

AzAz ZourZour, Kuwait, Kuwait

Conversion to Combined Cycle

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Thank you!

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Power Generation Solutions

Flexible and Reliable Power Generation with Gas Turbines ... Woeller... · Siemens Power Generation...

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Transcript of Flexible and Reliable Power Generation with Gas Turbines ... Woeller... · Siemens Power Generation...