2 March 2020
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Direct solar irradiation is essential for the use of Concentrated Solar Power (CSP) plants. Hence CSP plants are built in places with high direct solar irradiation. In general these are arid regions. This is a challenge since CSP plants also rely on the availability of water.
Water is used for various tasks in a CSP plant. The three main water consumers are wet-cooling, mirror cleaning and steam cycle blow down.
In the EU project "SOLWARIS", technologies and methods are being developed to reduce the water consumption of CSP plants. DLR is developing an O&M optimizer to help the power plant operator to run his CSP plant as efficiently as possible. The selection of a suitable optimization approach is subject of this master thesis.
The result of the optimizer should be a schedule according to which the operator can run the power plant as profitably as possible for the next three days. For example, you can influence the time of mirror cleaning and storage charging, but also valve positions in the piping for cooling and water recovery. The definition of the optimization task and the appropriate parameterization shall not be topic of the student work. Parameter sets proposed by the optimizer are passed on to a “black box”, which calculates the electricity generation, the water consummation and the financial yield. Based on these results, the optimizer searches for the optimal operation schedule. A gradient-based method is probably unsuitable in favor of the flexibility of the "black box".
The implementation of the optimizer is planned in Matlab or Phyton.
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Institute of Solar Research
Phone: +49 2203 601-2438