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Energies 2013, 6(3), 1478-1496; doi:10.3390/en6031478
Article

A Co-Powered Biomass and Concentrated Solar Power Rankine Cycle Concept for Small Size Combined Heat and Power Generation

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Received: 17 November 2012 / Revised: 11 January 2013 / Accepted: 25 February 2013 / Published: 6 March 2013
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Abstract

The present work investigates the matching of an advanced small scale Combined Heat and Power (CHP) Rankine cycle plant with end-user thermal and electric load. The power plant consists of a concentrated solar power field co-powered by a biomass furnace to produce steam in a Rankine cycle, with a CHP configuration. A hotel was selected as the end user due to its high thermal to electric consumption ratio. The power plant design and its operation were modelled and investigated by adopting transient simulations with an hourly distribution. The study of the load matching of the proposed renewable power technology and the final user has been carried out by comparing two different load tracking scenarios, i.e., the thermal and the electric demands. As a result, the power output follows fairly well the given load curves, supplying, on a selected winter day, about 50 GJ/d of thermal energy and the 6 GJ/d of electric energy, with reduced energy dumps when matching the load.
Keywords: co-powered concentrated solar power; Rankine cycle; transient simulation; load matching co-powered concentrated solar power; Rankine cycle; transient simulation; load matching
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Borello, D.; Corsini, A.; Rispoli, F.; Tortora, E. A Co-Powered Biomass and Concentrated Solar Power Rankine Cycle Concept for Small Size Combined Heat and Power Generation. Energies 2013, 6, 1478-1496.

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