Publication

Evaluation of a combined-cycle setup for Solar Tower Power Plants

Daniel Favrat, Germain Augsburger
2009
Conference Papers

Abstract

Simulation of a pure-solar combined-cycle solar thermal power was performed in order to analyse the thermodynamic and economic performance. An open volumetric receiver and packed-bed storage concept was considered. For a 15 MWe power plant, an exergetic efficiency of 25.6% was obtained based on a typical irradiation profile for a single day. The storage volume used was sized to allow continuous operation of the power generation cycle at its nominal point. Accounting for an amortisation over 15 years, a levelised cost of 17.7 UScts/kWhe is possible.

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https://infoscience.epfl.ch/entities/publication/2bf24a08-309e-46d1-9855-33209799c396

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Daniel Favrat, Germain Augsburger
2009
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/2bf24a08-309e-46d1-9855-33209799c396

About this result

Related concepts (18)

Combined cycle power plant

A combined cycle power plant is an assembly of heat engines that work in tandem from the same source of heat, converting it into mechanical energy. On land, when used to make electricity the most common type is called a combined cycle gas turbine (CCGT) plant. The same principle is also used for marine propulsion, where it is called a combined gas and steam (COGAS) plant. Combining two or more thermodynamic cycles improves overall efficiency, which reduces fuel costs.

Solar power

Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Photovoltaic cells convert light into an electric current using the photovoltaic effect. Concentrated solar power systems use lenses or mirrors and solar tracking systems to focus a large area of sunlight to a hot spot, often to drive a steam turbine.

Power station

A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid. Many power stations contain one or more generators, rotating machine that converts mechanical power into three-phase electric power. The relative motion between a magnetic field and a conductor creates an electric current. The energy source harnessed to turn the generator varies widely.

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