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Solar Thermal Power Plants
Virtual Solar Field
The Virtual Solar Field (VSF) is a simulation software for parabolic trough solar fields developed at the DLR’s Institute of Solar Research. In such solar thermal plants, parabolic trough collectors play a significant role for electricity and heat production. These collectors can concentrate the solar irradiation to produce heat with temperatures up to 550°C.
The SING project intends to develop essential basics for the commercial use of silicone-based heat transfer fluids (SiHTF) in parabolic trough power plants.
SolarPACES-Technical Guideline for SiHTF
In recent years, a significant increase of the maximal operating temperature of silicone-based heat transfer fluids (SiHTF) in concentrating solar thermal systems has been achieved.
SFERA III is a Horizon 2020 project funded under the Research Infrastructure Programme. It started in January 2019 and continues the successful work of the predecessor projects SFERA I and SFERA II. The consortium includes 15 partners from 9 EU member states. It is led by researchers from the Plataforma Solar de Almería of the Spanish research centre CIEMAT. The EU is supporting the project with 9.1 million Euro.
The main objective of the COMPASsCO2 project (Components and Materials Performance for Advanced Solar Supercritical CO2 Power Plants) is to integrate two innovative materials into solar thermal power plants: ceramic particles instead of molten salt as heat transfer material and supercritical CO2 (sCO2) instead of water vapour in the power plant cycle. Together with the project participants, DLR is developing a suitable heat exchanger that transfers the thermal energy of up to 1000 degrees Celsius from the particles to the sCO2.
MSComp – Component Tests for Molten Salt Applications
Solar power plants that use molten salt as a heat transfer medium are increasingly developing to become an industrial standard worldwide. The project MSComp is aimed at providing (in particular German) component manufacturers a testing possibility so that they can be guaranteed that their components function and that their products will be established on the market.
Solar power for more sustainable pasta production
In the HiFlex project, an international team is working on a system for sustainable energy supply for Barilla, one of the leading pasta producers worldwide. The system, planned and built by experts from the scientific and the industrial field, will enable Barilla to produce and dry pasta more sustainably. With this pilot system, the HiFlex project partners want to demonstrate that they can produce electricity and heat from renewable resources 24/7 and provide them reliably and as needed for the production process. Barilla can thus use environmentally friendly solar energy for its pasta production and reduce the consumption of fossil fuels.
Implementation of the Initiative for Global Leadership in Solar Thermal Electricity
A major challenge in the fight against climate change is to decarbonise energy systems. A very important measure for this is to obtain electricity and heat from renewable sources such as the sun. The EU-funded Horizon STE project aims to support countries in Europe with the introduction of technologies for solar thermal power generation (STE). One focus is on improving the procurement of renewable energy resources and increasing public funding for R&D projects.
Optimising the operation of liquid salt-based parabolic trough systems
The MSOpera project aims to further advance the market launch of liquid salt parabolic trough systems. Based on the basic functional verification with a low melting salt in the HPS 2 project, the project partners of MSOpera will operate the EMSP (Évora Molten Salt Platform) test facility of the University of Évora/Portugal with solar salt at 550 to 565°C. Together with various optimisation measures at the collector and process level, the project is intended to lay the foundation for commercial projects.
Power-to-heat technology with salt storage for usage in industry and PV-CSP-Hybridpowerplants
The industrial sector uses around 30% of Germany's final energy requirements. About 66% of this is provided in the form of heat for chemical or thermal processes, with large amounts of unused waste heat often occurring at low temperatures of up to 150 ° C, depending on the process. As part of the SWS project, concepts for the use of this waste heat are being developed.
Solving Water Issues for CSP Plants
The overall purpose of the SOLWARIS project is to upscale, implement and demonstrate cost-effective technologies and strategies that bring about a significant reduction of water consumption in CSP plants while maintaining high energetic performance of electrical power production. The approach proposed in SOLWARIS tackles all segments of water consumption in a CSP plant by setting ambitious water saving goals.
Molten salt as heat transfer fluid in parabolic trough power plants
An international consortium led by the DLR Institute of Solar Research, will build and operate a solar thermal molten salt parabolic trough test facility in Évora (Portugal). As of June 2019 these companies and research institutions will test molten salt as heat transfer fluid under realistic conditions.
Gtom – Tomograph for buildings
Measurement system for contactless energetic analyses of building envelopes
In Gtom scientists from four DLR institutes collaborate in developing methods to examine the energetic properties of building envelopes. These techniques are based on remote sensing technology and may be applied in the future to identify weaknesses in building envelopes and determine the sources of heat losses.
Solar Energy Meteorology
Analysis and Prediction of the spatial variability of PV generation in distribution grids
The VariDist project creates a high-resolution radiation forecast using a large number of cloud cameras. This forecast enables planning feed-ins from large photovoltaic power plants and roof-top systems and thus helps optimize distribution grid control.
Solar resources and forecasts for integration of solar energy from PV Parks
SOLREV examines and evaluates models for the provision of data and forecasts about solar radiation with a focus on PV electricity. Such models control the feeding of solar energy into the power grid and thus ensure the long-term yield security of solar power plants. Estimating the yields of large solar power plants with high investment costs requires long-term solar radiation data. These are the basis for reliable income models that reduce the entrepreneurial risk and strengthen the investor's willingness to provide capital.
Solutions for Renewable Energy Forecasting
In the Smart4Res research project, researchers from 12 institutes, universities and companies are working on intelligent solutions for integrating renewable energies into the power grid. The aim of the project is to be able to predict the amount of electricity to be expected from fluctuating renewable energy sources more reliably. More precise forecasts make it possible to optimize network operation and participation in electricity markets. Such forecasts are becoming more and more important as the share of green energy in the general power supply will continue to rise in the coming years.
German-Moroccan Extinction Project
In concentrated solar tower plants, the radiation which is reflected by the heliostat field is partially lost on its way to the central receiver due to atmospheric extinction (irradiance attenuation). The novelty of the GeMoExt project is the further enhancement of a correction method for atmospheric extinction measurements for CSP plant design and yield prediction so that it will be ready for the market. Therefore, electricity production costs for CSP plants will be reduced.
Solar Chemical Engineering
High temperature solar-heated reactors for industrial production of reactive particulates
The main objective of the SOLPART project is to develop, at a pilot scale, a high temperature (800-1000°C) 24h/day solar process suitable for particle treatment in energy intensive non-metallic minerals’ industries. One of the main reactions is the calcination, in which CO
is released on the one hand due to the reaction and on the other hand due to the usage of fossil fuels. The goal of the SOLPART project is to reduce CO
release, by replacing fossil fuel with solar energy.
Automation of thermochemical processes to de-crease hydrogen generation costs
Solar thermochemical water-splitting via redox-cycles is a promising path for the generation of renewable fuels. ASTOR tries to set-up the first automatic control of a solar-thermochemical pro-cess. Hence, complex control algorithms based on a detailed process models have to be developed. Further objective is the increase of the total efficiency of the process by improvement of heat management and waste heat recovery.
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