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Technical Briefs

Assessment of SEGS-Like Power Plants for the Brazilian Northeast Region

[+] Author and Article Information
E. S. Cavalcanti1

 Centro de Pesquisas de Energia Elétrica-CEPEL, P.O. Box 68007, Rio de Janeiro, Brazil, CEP 21941-911camelo@ufrj.br

A. C. Petti

 Centro de Pesquisas de Energia Elétrica-CEPEL, P.O. Box 68007, Rio de Janeiro, Brazil, CEP 21941-911

1

Present address: Petroleo Brasileiro S.A., Av. Alm. Barroso, CEP 20031-004 81 Rio de Janeiro, Brazil.

J. Sol. Energy Eng 130(1), 014501 (Dec 28, 2007) (4 pages) doi:10.1115/1.2807208 History: Received September 22, 2006; Revised June 18, 2007; Published December 28, 2007

The potential for parabolic trough solar power plant implementation in the semiarid area located at the Brazilian northeast region, throughout the São Francisco river basin, has been estimated as being 94,190MWe, based on the simulation results of a typical 30MWe solar energy generating systems (SEGS)-like power plant modeled using experimental solar irradiation measured at an eligible site. The use of electricity generated with SEGS-like power plants will help to save water that otherwise will be necessary to run in hydroelectric turbines and will contribute to diversify the Brazilian electrical energy matrix, which is predominantly hydroelectrical. The equivalent volume flow rate that can be saved with the implementation of solar power potential was estimated as 5125m3s, which is 1.8 times the mean flow rate of the São Francisco river.

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Figures

Grahic Jump Location
Figure 1

Brazilian interconnected grid (5)

Grahic Jump Location
Figure 2

The São Francisco river basin and the drough polygonal limit (3)

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