SOLAR POWER TOWER

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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