24 solar power
DESCRIPTION
SOLAR POWER TOWER โดย นายเศกศักดิ์ กำมณีTRANSCRIPT
SOLAR POWER TOWER
โดย นายเศกศกด�� ก ามณี�
48402610 ET.
Solar power tower
ความเป็�นมาโครงสร าง
ระบบการทำ�างาน
ป็ระโยชน�
ความเป็�นมา (History)
Project Country
Power Output(MWe)
Heat Transfer Fluid Storage Medium Operation
Began
SSPS Spain 0.5 Liquid Sodium Sodium 1981
EURELIOS Italy 1 Steam Nitrate Salt/Water 1981
SUNSHINE Japan 1 Steam Nitrate Salt/Water 1981
Solar One USA 10 Steam Oil/Rock 1982
CESA-1 Spain 1 Steam Nitrate Salt 1983
MSEE/Cat B USA 1 Molten Nitrate Nitrate Salt 1984
THEMIS France 2.5 Hi-Tec Salt Hi-Tec Salt 1984
SPP-5 Russia 5 Steam Water/ Steam 1986
TSA Spain 1 Air Ceramic 1993
Solar Two USA 10 Molten Nitrate Salt Nitrate Salt 1996
โครงสร าง
ระบบการทำ�างาน
Solar Parabolic Troughs
Solar Parabolic Troughs
Solar Parabolic Dish/engine
Solar Parabolic Dish/engine
Characteristics of solar thermal electric power systems.
Parabolic Trough Dish/Engine Power Tower
Size 30-320 MW 5-25 kW 10-200 MW
Operating Temperature (ºC/ºF)
390/734 750/1382 565/1049
Annual Capacity Factor
23-50 % 25 % 20-77 %
Peak Efficiency 20%(d) 29.4%(d) 23%(p)
Net Annual Efficiency 11(d)-16% 12-25%(p) 7(d)-20%
Commercial StatusCommercially Scale-
up Prototype Demonstration AvailableDemonstration
Technology Development Risk
Low High Medium
Storage Available Limited Battery Yes
Hybrid Designs Yes Yes Yes
Cost USD/W 2,7-4,0 1,3-12,6 2,5-4,4
(p) = predicted; (d) = demonstrated;
Comparison of Major Solar Thermal Technologies.
Parabolic Trough Parabolic Dish Power Tower
Applications
Grid-connected electric plants;
process heat for industrial
use.
Stand-alone small power
systems; grid support
Grid-connected electric plants;
process heat for industrial
use.
Advantages
Dispatchable peaking
electricity; commercially available with
4,500 GWh operating
experience; hybrid
(solar/fossil) operation.
Dispatchable electricity,
high conversion efficiencies; modularity;
hybrid (solar/fossil) operation.
Dispatchable base load
electricity; high
conversion efficiencies;
energy storage; hybrid
(solar/fossil) operation.
ประโยชน�(Benefits)
ทรพยากรธรรมชาติ�
สิ่��งแวดล้ อม เศรษฐศาสิ่ติร�คุ%ณีภาพช�ว�ติ
Reference
http://www.fae.sk/Dieret/Solar/solar.html http://www.wipp.ws/science/index.htm http://www.colby.edu/personal/thtieten/
cases.html http://www.volker-quaschning.de/articles/
fundamentals2/index2_e.html