Control Algorithms and Hardware for a Concentrating Solar Plant Based on Fluidized Bed With Improved Heliostat Calibration System

IF 4.3 3区工程技术 Q2 ENERGY & FUELS

International Journal of Energy Research Pub Date : 2025-03-31 DOI:10.1155/er/5575330

Antonio Scafuri, Matteo Scanzano, Antonio De Caro, Lorenzo Romagnoli, Fulvio Bassetti, Letizia Magaldi, Maria Carmen Falvo

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Abstract

The present paper deals on a concentrating solar system with thermal energy storage, recognized as a potentially useful technology to be integrated in power systems and industries, to support their decarbonization. The paper focuses on the control system of the solar field, employing two-axis (pitch-roll) tracking mirrors (heliostats) and a beam-down system. The paper presents two innovative aspects of the technology: an integral error correction algorithm to enhance pointing accuracy, and the use of an inclinometer for each heliostat, to increase system reliability. The system has been designed, implemented, and tested for more than 12,000 h on an industrial scale, then optimized on-site to maximize charging efficiency, obtaining encouraging results in terms of reliability and aiming accuracy, despite the use of rugged commercial components to keep costs low. The results of the experimental tests show a significant reduction of the aiming error, obtained through the proposed correction algorithm.

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来源期刊

International Journal of Energy Research 工程技术-核科学技术

CiteScore

9.80

自引率

8.70%

发文量

1170

审稿时长

3.1 months

期刊介绍： The International Journal of Energy Research (IJER) is dedicated to providing a multidisciplinary, unique platform for researchers, scientists, engineers, technology developers, planners, and policy makers to present their research results and findings in a compelling manner on novel energy systems and applications. IJER covers the entire spectrum of energy from production to conversion, conservation, management, systems, technologies, etc. We encourage papers submissions aiming at better efficiency, cost improvements, more effective resource use, improved design and analysis, reduced environmental impact, and hence leading to better sustainability. IJER is concerned with the development and exploitation of both advanced traditional and new energy sources, systems, technologies and applications. Interdisciplinary subjects in the area of novel energy systems and applications are also encouraged. High-quality research papers are solicited in, but are not limited to, the following areas with innovative and novel contents: -Biofuels and alternatives -Carbon capturing and storage technologies -Clean coal technologies -Energy conversion, conservation and management -Energy storage -Energy systems -Hybrid/combined/integrated energy systems for multi-generation -Hydrogen energy and fuel cells -Hydrogen production technologies -Micro- and nano-energy systems and technologies -Nuclear energy -Renewable energies (e.g. geothermal, solar, wind, hydro, tidal, wave, biomass) -Smart energy system