Solar power also available at night
The BINE-Projektinfo “Night-time electricity from solar power plants” © BINE Informationsdienst
Storage system for solar thermal power plants further developed
The cascade storage system consists of three tanks with different temperature levels (527 °C, 400 °C and 306 °C). This multi-stage solution enables the heat energy from the collector to be almost completely stored. The tanks absorb the heat in molten salts through temperature increases.
The molten salts are located in insulated steel tanks. The latent heat storage unit forms the fourth part of the overall system. This is used when the injected steam has cooled down to such an extent that only the condensation energy can be decoupled.
The storage system is designed for use in all solar thermal power plants with direct steam generation: it is suitable for parabolic troughs, linear Fresnel collectors and tower receivers.
Researchers from the German Aerospace Centre have further developed the latent heat storage system based on nitrate salts together with its industrial partner Linde AG.
You found all informations about the BINE Projectinfo brochure entitled “Night-time electricity from solar power plants” here:
http://www.bine.info/en/press/press-releases/press/pressemitteilung/sonnenstrom-…
Uwe Milles/Birgit Schneider
presse(at)bine.info
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