Publicação
Desenvolvimento de heliostato para geração heliotermica em torres solares
| Resumo: | With the increase of global perspectives regarding renewable energy and the use of concentrated solar thermal energy, with the goal of increasing the flow of solar radiation incident on the thermal has been shown to be a viable solution for electric power generation. The heliostats devices have the ability to track the Sun and reflect the radiation in a pre-set fixed point, usually known as solar tracking Tower in the middle of the field of heliostats devices. The solar towers have been aim of studies because they have a great potential for electric generation. The higher the desired concentration values of the system, the higher the accuracy requirements tracking and reflection of the heliostats, and the quality of reflective surfaces will be. This study aims to design and construction of the heliostat of two degrees of freedom for power generation in solar Tower systems using control methods for tracing and reflection on LabView platform. Applying tracking algorithms based on the solar behavior equations and mechanical design, allowing a two degrees’ freedom dynamic, it was gain results with 0.201 degrees in precision in the tracking of radiation reflection. |
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| Autores principais: | Silvestre, Alysson Domingos |
| Assunto: | Energia Solar. Termosolar. Heliostato. Controle. LabView® Solar Energy. Thermal Solar. Heliostat. Control. LabView® ENGENHARIAS |
| Ano: | 2016 |
| País: | Brasil |
| Tipo de documento: | dissertação de mestrado |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | IBICT |
| Idioma: | português |
| Origem: | Oasisbr |
| Resumo: | With the increase of global perspectives regarding renewable energy and the use of concentrated solar thermal energy, with the goal of increasing the flow of solar radiation incident on the thermal has been shown to be a viable solution for electric power generation. The heliostats devices have the ability to track the Sun and reflect the radiation in a pre-set fixed point, usually known as solar tracking Tower in the middle of the field of heliostats devices. The solar towers have been aim of studies because they have a great potential for electric generation. The higher the desired concentration values of the system, the higher the accuracy requirements tracking and reflection of the heliostats, and the quality of reflective surfaces will be. This study aims to design and construction of the heliostat of two degrees of freedom for power generation in solar Tower systems using control methods for tracing and reflection on LabView platform. Applying tracking algorithms based on the solar behavior equations and mechanical design, allowing a two degrees’ freedom dynamic, it was gain results with 0.201 degrees in precision in the tracking of radiation reflection. |
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