Achieving solar produced electricity at a reasonable price with large utility-size units is a worldwide goal. This can be achieved by high efficiency systems and hardware cost reduction. The ORMAT Brayton cycle solar hybrid gas turbine is a step in this direction. ORMAT took part in several solar projects in which it contributed to the “solarization” of the complete power block. This paper describes the main tasks involved in solarization, and includes experimental test results where helicopter turboshaft gas turbines were used. The paper reviews several solar projects and mainly the SOLGATE project during the years 2001–2003. During 2002–2003 the turbine was operated in Spain, combined with three volumetric receivers. The initial goal of achieving 800°C at the receiver outlet was achieved and is reported on below. The successful tests have encouraged the continuation of work using gas turbines of 10 MW and above, which has already commenced.

Issue Section:
Technical Papers
Keywords:
gas turbines, hybrid power systems, solar absorber-convertors, solar power stations
Topics:
Gas turbines, Solar energy, Turbines, Fuels, Temperature
1.
Lovegrove, K., and Luzzi, A., 2001, Solar Thermal Power Systems. Encyclopedia of Physical Science and Technology, 3rd Edition, Vol 15, Academic Press, San Diego, CA.
2.
Kribus
,
A.
,
Doron
,
P.
,
Rubin
,
R.
,
Karni
,
J.
,
Reuven
,
R.
,
Duchan
,
S.
, and
Taragan
,
E.
,
2000
, “
A Multistage Solar Receiver: The Route to High Temperature
,”
Sol. Energy
,
67
, pp.
3
–
11
.
3.
Davidson, W. S., et al., 1978, “Closed Brayton Cycle Advanced Central Receiver Solar Electric Power System,” Boeing Engineering and Construction Co., Report SAN/1726-1, Seattle, WA.
4.
Kuo, S. C., 1983, “Large Gas Turbine Modifications for Solar Fossil Hybrid Operation,” EPRI Report AP-1348-8.
5.
Roberts, R. B., 1979, “Application of the Centaur Industrial Gas Turbine to the Central Receiver Concept for Solar Electric Power,” ASME 79-GT-45.
6.
Roberts, R. B., 1982, “Centaur Gas Turbine Modifications for Solar-Fossil Hybrid Operation,” Solar Turbines Incorporated, EPRI Report AP-2550, San Diego CA.
7.
Fisher, U., Erez, A., Drubka, R. B., and Karni, J., 1997, “High Concentration Hybrid Solar Central Receiver Power Plant,” Eight Sde-Boker Symposium on Solar Electricity Production, Sede Boker, Israel.
8.
Yogev, A., Fisher, U., Erez, A., and Blackmon, J., 1999, “High Temperature Solar Energy Conversion Systems,” ISES Solar World Congress, Jerusalem, Israel.
9.
Karni
,
J.
,
Kribus
,
A.
,
Rubin
,
R.
, and
Doron
,
P.
,
1998
, “
The Porcupine: A Novel High-Flux Absorber for Volumetric Solar Receivers
,”
J. Sol. Energy Eng.
,
120
, pp.
85
–
95
.
10.
Buck
,
R.
,
Brauning
,
T.
,
Denk
,
T.
,
Pfander
,
M.
,
Schwarzbozl
,
P.
, and
Tellez
,
F.
,
2002
, “
Solar-Hybrid Gas Turbine-Based Power Tower Systems (REFOS)
,”
J. Sol. Energy Eng.
,
124
, pp.
2
–
9
.
11.
Kribus
,
A.
,
Doron
,
P.
,
Rubin
,
R.
,
Reuven
,
R.
,
Taragan
,
E.
,
Duchan
,
S.
, and
Karni
,
J.
,
2001
, “
Performance of the Directly-Irradiated Annular Pressurized Receiver (DIAPR) Operating at 20 bar and 1,200°C,
”
J. Sol. Energy Eng.
,
123
, pp.
10
–
17
.
12.
Buck, R., Sugarmen, C., Ring, A., Heller, P., Tellez, F., and Enrile, J., 2003, “Solar-Hybrid Gas Turbine Power Plants Test Results and Market Perspective,” ISES conference Goteborg, Sweden.
13.
Elmegaad, B., Henriksen, U., and Qvale, B., 2002, “Thermodynamic Analysis of Supplementary-Fired Gas Turbine Cycles,” ECOS 2002, Berlin, Germany.
14.
Ragland
,
K. W.
,
Misra
,
M. K.
,
Aerts
,
D. J.
, and
Palmer
,
C. A.
,
1995
, “
Ash Deposition in Wood-Fired Gas Turbine
,”
J. Eng. Gas Turbines Power
,
117
, pp.
509
509
.
15.
Bronicki, L. Y., 1999, “An Enabling Technology Opens the Way to Large Scale Use of Solar Energy,” ISES Solar World Congress, Jerusalem, Israel.
16.
Becker, M., and Bohmer, M., 1989, GAST: The Gas Cooled Solar Tower Technology Program, Springer-Verlag Berlin and Heidelberg GmbH & Co. KG.
17.
Pitz-Paal, R., and Jones, S., 1998, “A TRNSYS Model Library for Solar Electric Components (STEC),” SolarPACES Technical Report No. III-4/98, Ko¨ln, Germany.
18.
Schwarzbozl, P., Schmitz, M., Pitz-Paal, R., and Buck, R., 2002, “Analysis of Solar Gas Turbine Systems with Pressurized Air Receivers (REFOS),” 11th SolarPACES Int. Symposium on Concentrated Solar Power and Chemical Energy Technologies, Zurich, Switzerland, Steinfeld, A., (Ed.), pp. 91–100.
19.
Sugarmen, C., Ring, A., Buck, R., Uhlig, R., Beuter, M., Marcos, M. J., and Fernandez, V., 2002, “Solar-Hybrid Gas Turbine Power System,” 11th SolarPACES Int. Symposium on Concentrated Solar Power and Chemical Energy Technologies, Zurich, Switzerland, Steinfeld A. (Ed.), pp. 101–108.
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 by ASME
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