scholarly journals Solar thermal power & gas turbine hybrid design with molten salt storage tank

2017 ◽  
Author(s):  
Fernando Martín ◽  
Ralf Wiesenberg ◽  
Domingo Santana
Keyword(s):  
Molten Salt ◽  
Gas Turbine ◽  
Storage Tank ◽  
Thermal Power ◽  
Solar Thermal ◽  
Hybrid Design ◽  
Solar Thermal Power

Central Receiver System Solar Power Plant Using Molten Salt as Heat Transfer Fluid

2008 ◽  
Vol 130 (2) ◽  
Author(s):  
J. Ignacio Ortega ◽  
J. Ignacio Burgaleta ◽  
Félix M. Téllez
Keyword(s):  
Heat Transfer ◽  
Power Generation ◽  
Molten Salt ◽  
Thermal Power ◽  
Solar Thermal ◽  
Heat Transfer Fluid ◽  
Solar Thermal Power ◽  
Central Receiver ◽  
Spanish Legislation ◽  
Solar Thermal Power Generation

Of all the technologies being developed for solar thermal power generation, central receiver systems (CRSs) are able to work at the highest temperatures and to achieve higher efficiencies in electricity production. The combination of this concept and the choice of molten salts as the heat transfer fluid, in both the receiver and heat storage, enables solar collection to be decoupled from electricity generation better than water∕steam systems, yielding high capacity factors with solar-only or low hybridization ratios. These advantages, along with the benefits of Spanish legislation on solar energy, moved SENER to promote the 17MWe Solar TRES plant. It will be the first commercial CRS plant with molten-salt storage and will help consolidate this technology for future higher-capacity plants. This paper describes the basic concept developed in this demonstration project, reviewing the experience accumulated in the previous Solar TWO project, and present design innovations, as a consequence of the development work performed by SENER and CIEMAT and of the technical conditions imposed by Spanish legislation on solar thermal power generation.

Parameterization of High Solar Share Gas Turbine Systems

2012 ◽  
Author(s):  
Stephan Heide ◽  
Christian Felsmann ◽  
Uwe Gampe ◽  
Sven Boje ◽  
Bernd Gericke ◽  
...  
Keyword(s):  
Gas Turbine ◽  
Power Plants ◽  
Planning Process ◽  
Pressure Ratio ◽  
Thermal Power ◽  
Combined Cycle ◽  
Process Models ◽  
Solar Thermal ◽  
Thermal Power Plants ◽  
Solar Thermal Power

Existing solar thermal power plants are based on steam turbine cycles. While their process temperature is limited, solar gas turbine (GT) systems provide the opportunity to utilize solar heat at a much higher temperature. Therefore there is potential to improve the efficiency of future solar thermal power plants. Solar based heat input to substitute fuel requires specific GT features. Currently the portfolio of available GTs with these features is restricted. Only small capacity research plants are in service or in planning. Process layout and technology studies for high solar share GT systems have been carried out and have already been reported by the authors. While these investigations are based on a commercial 10MW class GT, this paper addresses the parameterization of high solar share GT systems and is not restricted to any type of commercial GT. Three configurations of solar hybrid GT cycles are analyzed. Besides recuperated and simple GT with bottoming Organic Rankine Cycle (ORC), a conventional combined cycle is considered. The study addresses the GT parameterization. Therefore parametric process models are used for simulation. Maximum electrical efficiency and associated optimum compressor pressure ratio πC are derived at design conditions. The pressure losses of the additional solar components of solar hybrid GTs have a different adversely effect on the investigated systems. Further aspects like high ambient temperature, availability of water and influence of compressor pressure level on component design are discussed as well. The present study is part of the R&D project Hybrid High Solar Share Gas Turbine Systems (HYGATE) which is funded by the German Ministry for the Environment, Nature and Nuclear Safety and the Ministry of Economics and Technology.

Theoretical study on thermal stability of molten salt for solar thermal power

2013 ◽  
Vol 54 (1) ◽  
pp. 140-144 ◽  
Author(s):  
Xiaolan Wei ◽  
Qiang Peng ◽  
Jing Ding ◽  
Xiaoxi Yang ◽  
Jianping Yang ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Molten Salt ◽  
Theoretical Study ◽  
Thermal Power ◽  
Solar Thermal ◽  
Solar Thermal Power ◽  
Thermal Stability Of

scholarly journals Small Gas Turbine With Large Parabolic Dish Collectors

1981 ◽  
Author(s):  
K. Bammert ◽  
A. Sutsch ◽  
M. Simon ◽  
A. Mobarak
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Power Plants ◽  
Thermal Power ◽  
Solar Thermal ◽  
Solar Thermal Energy ◽  
Parabolic Trough ◽  
Solar Thermal Power ◽  
Parabolic Dish ◽  
Efficiency Comparison

An alternative solution for solar energy conversion to the heliostat-tower and solar farm (parabolic trough) concept is presented in the form of large parabolic dish collectors using small high temperature gas turbines for producing electricity from solar thermal energy. A cost and efficiency comparison for the different solar thermal power plants has shown that the large parabolic dish with gas turbine set is a superior system design especially in the net power range of 50 to 2000 kW. The important advantages of the large parabolic dish concept are discussed. For the important components such as the gas turbo converter, the receiver and the parabolic dish collector, design proposals for economic solutions are presented. An advanced layout for a 250-kW gas turbo converter with recuperator is presented in detail.

An integrated solar thermal power system using intercooled gas turbine and Kalina cycle

Energy ◽  
2012 ◽  
Vol 44 (1) ◽  
pp. 732-740 ◽  
Author(s):  
Shuo Peng ◽  
Hui Hong ◽  
Hongguang Jin ◽  
Zhifeng Wang
Keyword(s):  
Power System ◽  
Gas Turbine ◽  
Thermal Power ◽  
Solar Thermal ◽  
Kalina Cycle ◽  
Solar Thermal Power ◽  
Thermal Power System

Numerical simulation of single spiral heat storage tank for solar thermal power plant

2017 ◽  
Vol 42 (29) ◽  
pp. 18240-18245 ◽  
Author(s):  
Qianjun Mao ◽  
Ting Zheng ◽  
Donghua Liu ◽  
Liya Zhang ◽  
Ming Xie
Keyword(s):  
Numerical Simulation ◽  
Power Plant ◽  
Thermal Power Plant ◽  
Storage Tank ◽  
Heat Storage ◽  
Thermal Power ◽  
Solar Thermal ◽  
Solar Thermal Power

Feasibility of Modifying Large Gas Turbines for Integration With External Heat Sources

1982 ◽  
Author(s):  
S. C. Kuo ◽  
T. L. O. Horton ◽  
E. R. Fisher ◽  
J. E. Bigger
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Thermal Power ◽  
External Heat ◽  
Solar Thermal ◽  
Heat Sources ◽  
Closed Cycle ◽  
Solar Thermal Power ◽  
Central Receiver ◽  
Near Term

This paper discusses the technical feasibility of modifying existing turbomachines for integration with external heat sources for electric power generation using renewable and/or alternate energy sources. One particular example is the use of a solar central receiver with a fossil combustor for hybrid solar thermal power conversion. The retrofit- and modification-of-turbomachinery approach would be applicable to both open- and closed-cycle operation with external heat sources. Therefore the open-cycle gas turbine modifications presented here are regarded as essential to closed-cycle applications as well. Four gas turbine models were selected as representative of the more attractive existing designs and sizes for solar thermal power applications, and the results of subsequent conceptual design modifications for near-term (20 to 50 MWe plant around 1990) and far-term (20 to 100 MWe plant after 1990) systems applications using turbine inlet temperatures of 840 C (1544 F) and 1100 C (2012 F), respectively, are presented.

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