Aula 02-Como consultar os valores de irradiância solar de cada local

Aula 02-Como consultar os valores de irradiância solar de cada local

🎙 Elétrica&Renováveis 👥 324 📅 February 19, 2026 ⏱ 11 min 👁 42 📄 tutorial 🧭 2026-08-16
Available in: English (current) Français

Keywords

irradiancesolar energyCRESESBphotovoltaictutorial

Summary

This tutorial video, part of a series on solar energy, focuses on how to use the CRESESB website to obtain solar irradiance data for any location in Brazil. The instructor demonstrates the process step by step: first, finding the latitude and longitude of the installation site using Google Maps, then entering these coordinates into the CRESESB portal. The video explains how to interpret the resulting data, including monthly irradiation values for different tilt angles, the annual average, and the delta between maximum and minimum values. It emphasizes the importance of using the angle equal to the latitude for optimal energy capture. The instructor also compares average irradiance across different Brazilian regions, highlighting the country’s high solar potential. Finally, the video briefly mentions solar trackers as a way to increase energy generation, referencing previous lessons on solar geometry. The tutorial is practical and aimed at engineers and designers of photovoltaic systems.

150 words

Critical Evaluation

Value of the Information & Strength of the Argument

The video provides practical, actionable information on accessing and interpreting solar irradiance data, which is essential for photovoltaic system design. The argumentation is clear and logical, walking the viewer through each step. However, it lacks depth in explaining the underlying science, such as why irradiance varies seasonally or the significance of the delta value. The comparison of regional averages is useful but not thoroughly analyzed. The mention of solar trackers is brief and relies on prior knowledge from other videos in the series.

Scientific Rigor, Source Quality, Title Accuracy

The video relies on the official CRESESB website, which is a reputable source for solar and wind energy data in Brazil. The tutorial is accurate in its instructions and interpretations. The title accurately reflects the content. The video does not cite additional scientific sources, but the use of CRESESB is appropriate for the purpose. The content is consistent with standard practices in photovoltaic system design.

163 words

Title / Content Match

The title accurately reflects the content, which is a tutorial on consulting solar irradiance values.

Quality & Reliability

7/10

The video provides a clear, step-by-step tutorial on using the official CRESESB database for solar irradiance data, which is a reliable source. The methodology is straightforward and reproducible, but lacks in-depth scientific explanation and references to broader literature.

Key Moments

Cited Sources

  • CRESESB - Centro de Referência para Energia Solar e Eólica Sérgio Brito — Official website used in the tutorial to obtain solar irradiance data.

Concurring Sources

  • CRESESB - Centro de Referência para Energia Solar e Eólica Sérgio Brito — The official source for solar irradiance data in Brazil, used in the tutorial.

Contribution & Novelties

The video offers a practical, step-by-step guide to using CRESESB, which is valuable for Brazilian engineers and designers. It fills a gap by providing a clear tutorial in Portuguese, which may not be readily available elsewhere. The comparison of regional irradiance values is useful for understanding the solar potential across Brazil.

Pour aller plus loin :

  • Solar irradiance — Provides a scientific overview of solar irradiance and its measurement.
  • Photovoltaic system — Explains the components and design considerations for PV systems.
  • Solar tracker — Discusses the technology and benefits of solar tracking systems.

93 words

Radar Profile

The radar profile shows a balanced performance across all dimensions, with slightly higher scores in information quantity and quality, reflecting the tutorial's practical value. The technical level is moderate, suitable for beginners, and the overall reliability is good due to the use of an official source.

Reliability 7/10