ACC in Power Plants

ARPA-E Meeting

Washington DC, 28th March 2012

Dr O. Le Galudec

© ALSTOM 2009. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

A Steam Turbine Expansion line

0.01bar

0.04bar

0.1bar

0.2bar

0.5bar

1bar

5bar 2bar10bar20bar50bar100bar200bar400bar

50°C100°C

150°C

200°C

250°C

300°C

350°C

400°C

450°C

500°C

550°C

600°C

650°C

saturation line

0.95

0.9

0.85

0.8

0.75

1700

1900

2100

2300

2500

2700

2900

3100

3300

3500

3700

3900

5.5 6 6.5 7 7.5 8 8.5 9

Specific Entropy / kJ/kgK

Spe

cific

Ent

halp

y / k

J/kg

1967 Steam Tables

HP Expansion

IP Expansion

LP Expansion

Reheating

Cooling is needed at the end of the expansion line.

© ALSTOM 2009. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

Air Cooled Condenser is available Technology

© ALSTOM 2009. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

ACC key features

�No Water Consumption�No visible plume�No icing risk in vicinity�High availability �Proven Technology�Test covered by Codes &

Standards�Performances Impacted by

air temperature and wind

© ALSTOM 2009. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

ACC : straight from W/S properties

�

�

ITD = Tsat – Tin

OTD = Tsat – Tout

Tout

TinTD

Tsat

© ALSTOM 2009. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

Some ALSTOM turnkey Plants with ACC

�Aluar 1 & 2 Combined Cycle – Argentina�Hays 3 & 4 Combined Cycle – Texas / USA�Gend Ringvart Combined Cycle – Belgium�Baudour Combined Cycle – Belgium�Esch sur Alzette Combined Cycle – Luxembourg�Gissi 1 & 2 Combined Cycle – Italy� Langage Combined Cycle – UK�Shotton CHP Combined Cycle – UK�Medupi 1-6 Steam tails – South Africa�Kusile 1-6 Steam tails – South Africa�San Reus Combined Cycle - Spain

© ALSTOM 2009. All rights reserved. Information contained in this document is provided without liability for information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

Conclusion

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