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SOLAR THERMAL POWER

GEEN 4830 ECEN 5007

Manuel A. Silva Prez

[email protected]

1. Introduction


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Contents

Course objectives and contents Solar Energy Solar Thermal Concentrating Systems Solar Thermal Power

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Course objectives

1) Understand the fundamentals of the thermalconversion of solar energy into power.

2) Understand the potential and limitations of STP as amajor source of renewable electricity.

3) Understand the basics of the different technologiesknown as Concentrating Solar Power (CSP), including

technical and economical aspects.

4) Have a basic knowledge of the different aspects thata STP project involves.

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Course plan

Introduction Solar resource Brief review of basic Thermodynamics and Heat

Transfer topics

Fundamentals of High Temperature Solar ThermalSystems

Technologies. Description, economics, intro todesign and analysis issues Parabolic Troughs Central Receivers Linear Fresnel Concentrators Parabolic dishes

Integration of STP plants Dispatchability. Thermal Storage. Hybridization

Introduction to feasibility analysis of STP projects STP today and tomorrow

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Solar Energy

Solar Energy (Britannica Online) radiation from the Sun capable of producing heat, causing

chemical reactions, or generating electricity. () the total

amount ofsolar energy incident on Earth is vastly in excess

of the worlds current and anticipated energy requirements.

If suitably harnessed, this highly diffused source has thepotential to satisfy all future energy needs. In the 21st

century solar energy is expected to become increasingly

attractive as an energy source because of its inexhaustible

supply and its nonpolluting character, in stark contrast to the

finite fossil fuelscoal, petroleum, and natural gas.

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Solar Energy

Solar Energy (Wikipedia) Solar energy is the radiant light and heat from the Sun

that has been harnessed by humans since ancient times using

a range of ever-evolving technologies. Solar radiation along

with secondary solar resources such as wind and

wave power, hydroelectricity and biomass account for mostof the available renewable energy on Earth. Only a minuscule

fraction of the available solar energy is used. (wikipedia)

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Solar Energy

Solar Power. Electricity generated (directly) from solarenergy.

Photovoltaic Conversion: PV Systems Thermal Conversion: Solar Thermal Power (Concentrating

Solar Thermal Power)

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Solar Thermal Concentrating Systems

Systems that make use of solar energy by firstconcentrating solar radiation and then converting it

to thermal energy

Uses: Electricity (Solar Thermal Power) Industrial Process Heat Absorption cooling Chemical processes

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TheEnergySystem6/7/108 GEEN 4830 ECEN 5007


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The energy system challenges

Global warming, climate change Resource depletion Need for a deep change of the energy system

Based mainly on renewable, rather than exhaustible sources Decentralized, generation close to consumption Efficient (cogeneration) Fair

Transition will not be easy STP can play a major role in this context

Clean Abundant Distributed Dispatchable

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Excelent Very good Good Inappropriate

Solarresourceavailability

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3000 km

90 % of the total electricitydemand could be suppliedfrom STP plants covering

300x300 km2.

Effcient transmission viaHVDC would allow electricity

supply to remote areas withmoderate losses.

DESERTEC project: STPplants in the Magreb Area to

supply electricity for Europeand Africa

Solarresourceavailability.TheDesertecproject

EU25

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