Your SlideShare is downloading. ×
Cu stp 09_parabolic dish
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Cu stp 09_parabolic dish

659

Published on

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
659
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
55
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. SOLAR THERMAL POWER! GEEN 4830 – ECEN 5007!9. Parabolic Dish Technology! Manuel A. Silva Pérez ! silva@esi.us.es !
  • 2. Parabolic dish systems}  Combine a paraboloidal concentrator (parabolic dish) with a Power Conversion Unit (PCU) directly attached to the concentrator MDAC (83-88) Boeing/SES}  Types of PCU (ʻ98-ʼ99) " }  Gas Turbines Advanco (82-85) " }  Direct Steam Generation }  Stirling Engine SBP/Almeria" (88-99)" SBP/Solo" Cummins " (89-96) " SAIC/STM" 1 GEEN 4830 – ECEN 5007 19/07/11
  • 3. Parabolic Dish + Gas Turbine}  Cummings 1996 2 GEEN 4830 – ECEN 5007 19/07/11
  • 4. Parabolic dish - Direct Steam Generation Dish collector field at Shenandoah, GA •  Industrial process heat project. •  7 meters diameter, •  aluminized film reflector Heat from the field was used in a textile plant for air conditioning and process heat. 3 GEEN 4830 – ECEN 5007 19/07/11
  • 5. Solar Village (Arabia Saudí)4 GEEN 4830 – ECEN 5007 19/07/11
  • 6. Parabolic dish – Stirling engine experiences(source: Mancini et al. JSEE 2003) 5 GEEN 4830 – ECEN 5007 19/07/11
  • 7. Parabolic dish – Stirling engine}  High performance }  High concentration ratio }  High temperature }  Modularity }  No water consumption •  High capital costs – Stirling engine and concentrator •  High O+M costs – H2 refilling, engine maintenance 10-kW EuroDish •  Durability of the engine SBP/Solo-PSA" 6 GEEN 4830 – ECEN 5007 19/07/11
  • 8. Dish – Stirling systems. Main elements}  Structure}  Concentrator}  Tracking system}  PCU}  Control 7 GEEN 4830 – ECEN 5007 19/07/11
  • 9. Structure8 GEEN 4830 – ECEN 5007 19/07/11
  • 10. Structural optical surface9 GEEN 4830 – ECEN 5007 19/07/11
  • 11. Space frame structures10 GEEN 4830 – ECEN 5007 19/07/11
  • 12. Stretched membrane11 GEEN 4830 – ECEN 5007 19/07/11
  • 13. Concentrator12 GEEN 4830 – ECEN 5007 19/07/11
  • 14. Glass mirror-faceted }  Spherically curved mirrors }  Individually alignable }  Parabolic shaped structure13 GEEN 4830 – ECEN 5007 19/07/11
  • 15. Full surface paraboloid}  The entire surface forms a paraboloid}  Usually made of a number of ‘petals’ 14 GEEN 4830 – ECEN 5007 19/07/11
  • 16. Stretched membrane. Single facet}  Membrane }  Preshaped (vacuum not enough) }  Thin reflective plastic }  Thin metal sheet + reflective surface 15 GEEN 4830 – ECEN 5007 19/07/11
  • 17. Stretched membrane - multifaceted}  Avoid the need for preshaping}  Difficult alignment 16 GEEN 4830 – ECEN 5007 19/07/11
  • 18. MountingPedestal Carrousel 17 GEEN 4830 – ECEN 5007 19/07/11
  • 19. Tracking18 GEEN 4830 – ECEN 5007 19/07/11
  • 20. Polar tracking19 GEEN 4830 – ECEN 5007 19/07/11
  • 21. Elevation - azimuth tracking20 GEEN 4830 – ECEN 5007 19/07/11
  • 22. Receiver}  Absorbs concentrated solar energy and converts it to thermal energy that heats the working fluid (gas) inside the engine. }  External (low temp.) }  Cavity (high temp.) }  Directly illuminated tubes }  Reflux 21 GEEN 4830 – ECEN 5007 19/07/11
  • 23. Directly illuminated tubes receiver22 GEEN 4830 – ECEN 5007 19/07/11
  • 24. Reflux receiver}  Intermediate heat transfer fluid}  Decouple receiver and engine }  Pool boiler. The absorber surface is always immersed in a liquid 23 GEEN 4830 – ECEN 5007 19/07/11
  • 25. Reflux receiver}  Heat pipe. A wick draws the liquid metal from a small sump 24 GEEN 4830 – ECEN 5007 19/07/11
  • 26. Stirling Engine}  The Stirling cycle 25 GEEN 4830 – ECEN 5007 19/07/11
  • 27. Stirling engines}  Kinematic}  Free piston 26 GEEN 4830 – ECEN 5007 19/07/11
  • 28. Cleanergy, 10 kW27 GEEN 4830 – ECEN 5007 19/07/11
  • 29. Performance of Eurodish System28 GEEN 4830 – ECEN 5007 19/07/11
  • 30. Performance of the Eurodish System29 GEEN 4830 – ECEN 5007 19/07/11
  • 31. State of the art}  Most efficient solar to electric technology (>30%).}  Pre-commercial experiences }  Increase reliability }  Reduce costs}  Three (four) main manufacturers / systems today }  Tessera Suncatcher (SES) 25 kW }  Cleanergy / SBP Eurodish 10 kW }  Infinia Corp 3 kW }  (Ripaso Energy) 25 kW 30 GEEN 4830 – ECEN 5007 19/07/11
  • 32. SES / Tessera Suncatcherhttp://www.tesserasolar.com/ 31 GEEN 4830 – ECEN 5007 19/07/11
  • 33. SES / Tessera Solar, Maricopa 1.5 MW
  • 34. Infiniahttp://www.infiniacorp.com/}  3 kW Free piston engine 33 GEEN 4830 – ECEN 5007 19/07/11
  • 35. Infinia34 GEEN 4830 – ECEN 5007 19/07/11
  • 36. Eurodishsbp.de}  10 kW kinematic Stirling engine (SOLO V161)}  8.5 m diameter concentrator 35 GEEN 4830 – ECEN 5007 19/07/11
  • 37. Projects (Tessera Solar / SES)}  Imperial Valley (Solar 2) | Imperial County, California | San Diego Gas & Electric (SDG&E) 750MW | Total of 30,000 SunCatcher™ Power Systems.}  Calico (Solar 1) | San Bernardino County, California | Southern California Edison (SCE) 850MW | Total of 34,000 SunCatcher™ Power Systems. .}  Western Ranch Solar | West Texas | CPS Energy 27MW |Total of 1,080 SunCatcher™ Power Systems.}  Maricopa Solar | Maricopa County - Peoria, Arizona | Salt River Project (SRP) 1.5MW |Total of 60 SunCatcher™ Power Systems. 36 GEEN 4830 – ECEN 5007 19/07/11
  • 38. Projects (Infinia)}  Infinia }  100 kW demo plant,Vllarrobledo, Spain }  70 MW (2 projects) in Spain }  SD G&E (demonstration projects)}  Cleanergy }  SOLARDIS (5 units x 10 kW) 37 GEEN 4830 – ECEN 5007 19/07/11
  • 39. }  Free piston engine. }  http://www.infiniacorp.com/howitworks.html }  http://www.youtube.com/watch?v=Fl8iNXsjsbI&feature=fvw}  Tessera /SES }  http://www.youtube.com/watch?v=z-MJrJpW2M0}  Infinia }  http://www.infiniacorp.com/powerdish.html}  Cleanergy}  Eurodish 38 GEEN 4830 – ECEN 5007 19/07/11

×