All Stories

  1. Hybrid photovoltaic power forecasting by combining physical and machine learning models

    Article • Solar Energy, October 2026, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  2. Machine learning models for photovoltaic modules operating temperature estimation in semiarid climate

    Article • Solar Energy Advances, January 2026, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  3. Floating Photovoltaic Systems in Urban Areas: Insights on the Thermoelectric Behavior and Water Evaporation Reduction

    Article • IEEE Journal of Photovoltaics, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  4. Soiling Effects on Photovoltaic Systems

    Article • January 2026, Springer Science + Business Media

    Prof. Dr. PAULO C. M. CARVALHO

  5. A Review of Thermal Behavior of Floating Photovoltaic Under Tropical Climates

    Article • IEEE Latin America Transactions, November 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  6. Exploring perspectives on photovoltaic prosumerism in advancing a fair energy transition in Brazil

    Article • Energy Policy, September 2025, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO, Professor Giovanni Cordeiro Barroso

  7. Investigação de densidade de potência e de geração de parques eólicos no Ceará

    Article • Revista Brasileira de Energia, August 2025, Revista Brasileira de Energia

    Prof. Dr. PAULO C. M. CARVALHO

  8. Hybrid Models for Photovoltaic Power Forecasting under Different Physical Modeling Approaches

    Article • June 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  9. Experimental investigation of the soiling impact on the generation of a photovoltaic plant in an urban area of the Brazilian semiarid

    Article • Sustainable Energy Technologies and Assessments, January 2025, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  10. Influence of Manual Cleaning on the Thermal Behavior of Photovoltaic Modules

    Article • IEEE Access, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  11. Scalable Data Acquisition System for Real-Time Monitoring of Photovoltaic Plants

    Article • IEEE Access, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  12. Floating Photovoltaic Plants: Exploring the Water-Energy Nexus

    Article • IEEE Access, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  13. Photovoltaic power estimation and forecast models integrating physics and machine learning: A review on hybrid techniques

    Article • Solar Energy, December 2024, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO, Professor Giovanni Cordeiro Barroso

  14. Photovoltaic systems for multi-unit buildings: Agents’ rationalities for supporting distributed generation diffusion in Brazil

    Article • Energy Policy, October 2024, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  15. Methodology Using Idle Capacity of Hydroelectric Substations for Sizing Floating Photovoltaic Plants

    Article • IEEE Latin America Transactions, September 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  16. Hybrid Modeling for Photovoltaic Module Operating Temperature Estimation

    Article • IEEE Journal of Photovoltaics, May 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  17. Metodologia de dimensionamento de plantas fotovoltaicas flutuantes em lagos urbanos e reservatórios

    Article • Revista Brasileira de Energia, April 2024, Revista Brasileira de Energia

    Prof. Dr. PAULO C. M. CARVALHO

  18. Efeitos da mitigação manual de sujidade no desempenho de uma planta fotovoltaica em ambiente urbano

    Article • Revista Brasileira de Energia, April 2024, Revista Brasileira de Energia

    Prof. Dr. PAULO C. M. CARVALHO

  19. Photovoltaic Projects for Multidimensional Poverty Alleviation: Bibliometric Analysis and State of the Art

    Article • International Journal of Energy Economics and Policy, March 2024, EconJournals

    Prof. Dr. PAULO C. M. CARVALHO

  20. Design and Implementation of a High Temperature Control Monitoring Applied to Micro Thermoelectric Generators

    Article • Renewable Energy and Power Quality Journal, January 2024, Cultech Publishing Sdn. Bhd.

    Prof. Dr. PAULO C. M. CARVALHO

  21. IoT Monitoring systems applied to photovoltaic generation: The relevance for increasing decentralized plants

    Article • Renewable Energy and Power Quality Journal, January 2024, Cultech Publishing Sdn. Bhd.

    Prof. Dr. PAULO C. M. CARVALHO

  22. METODOLOGIA BASEADA EM REDES NEURAIS ARTIFICIAIS PARA PREVISÃO DA GERAÇÃO DE PLANTAS FOTOVOLTAICAS

    Article • Revista Brasileira de Energia Solar, November 2023, Associação Brasileira de Energia Solar

    Prof. Dr. PAULO C. M. CARVALHO

  23. Optimizing methodologies of hybrid renewable energy systems powered reverse osmosis plants

    Article • Renewable and Sustainable Energy Reviews, August 2023, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  24. EFEITOS DA SUJIDADE NO DESEMPENHO ELÉTRICO DE UMA PLANTA FOTOVOLTAICA: UM ESTUDO DE CASO NO LEA - UFC

    Article • Conexões - Ciência e Tecnologia, June 2023, IFCE

    Prof. Dr. PAULO C. M. CARVALHO

  25. Impacto da COVID-19 sobre o consumo de energia elétrica das regiões do Brasil

    Article • Revista Brasileira de Energia, April 2023, Revista Brasileira de Energia

    Prof. Dr. PAULO C. M. CARVALHO

  26. Impacto da geração de plantas fotovoltaicas flutuantes sobre a matriz energética de estados do semiárido brasileiro

    Article • Revista Brasileira de Energia, April 2023, Revista Brasileira de Energia

    Prof. Dr. PAULO C. M. CARVALHO

  27. Analysis of the characteristics and effects of soiling natural accumulation on 2 photovoltaic systems: a systematic review of the literature

    Article • Journal of Solar Energy Engineering, December 2022, ASME International

    Prof. Dr. PAULO C. M. CARVALHO

  28. Renewable Hybrid Systems for water pumping: a review

    Article • IEEE Latin America Transactions, October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  29. Comparison Among National Energy Community Policies in Brazil, Germany, Portugal, and Spain

    Article • September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  30. Mecanismos de incentivos tarifários para microgeração fotovoltaica por meio de gerenciamento de carga pelo lado da demanda

    Article • Revista Tecnologia, May 2022, Universidade de Fortaleza

    Prof. Dr. PAULO C. M. CARVALHO

  31. Ridge regression ensemble of machine learning models applied to solar and wind forecasting in Brazil and Spain

    Article • Applied Energy, May 2022, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  32. Methodology Based on Artificial Neural Networks for Hourly Forecasting of PV Plants Generation

    Article • IEEE Latin America Transactions, April 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  33. Methodology for integration of wind resource forecasts based on artificial neural networks

    Article • International Journal of Energy Research, February 2022, Wiley

    Prof. Dr. PAULO C. M. CARVALHO

  34. Sizing Methodology of Floating Photovoltaic Plants in Dams of Semi-Arid Areas

    Article • Journal of Solar Energy Engineering, February 2022, ASME International

    Prof. Dr. PAULO C. M. CARVALHO

  35. Análise do consumo e geração de eletricidade dos estados nordestinos entre 2006 e 2020

    Article • Revista Brasileira de Energia, February 2022, Revista Brasileira de Energia

    Prof. Dr. PAULO C. M. CARVALHO

  36. Photovoltaic Cell Operating Temperature Models: A Review of Correlations and Parameters

    Article • IEEE Journal of Photovoltaics, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  37. Experimental Assessment and Modeling of a Floating Photovoltaic Module with Heat Bridges

    Article • IEEE Latin America Transactions, December 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  38. A review on the integration between urban and energy planning considering the planning tools

    Article • Renewable Energy and Power Quality Journal, September 2021, UK Zhende Publishing Limited Company

    Prof. Dr. PAULO C. M. CARVALHO

  39. Energy planning tools applied into urban photovoltaic: the importance of compatibilizing with the constructions

    Article • Renewable Energy and Power Quality Journal, September 2021, UK Zhende Publishing Limited Company

    Prof. Dr. PAULO C. M. CARVALHO

  40. A Comparison Between Deep Learning and Support Vector Regression Techniques Applied to Solar Forecast in Spain

    Article • Journal of Solar Energy Engineering, August 2021, ASME International

    Prof. Dr. PAULO C. M. CARVALHO

  41. Review on Photovoltaic Power and Solar Resource Forecasting: Current Status and Trends

    Article • Journal of Solar Energy Engineering, July 2021, ASME International

    Prof. Dr. PAULO C. M. CARVALHO

  42. A new methodology to estimate future water‐energy nexus based on artificial neural networks

    Article • International Journal of Energy Research, July 2021, Wiley

    Prof. Dr. PAULO C. M. CARVALHO

  43. DEVELOPMENT OF A DATA ACQUISITION SYSTEM FOR PHOTOVOLTAIC SYSTEMS

    Article • Revista Brasileira de Energia Solar, March 2021, Associação Brasileira de Energia Solar

    Prof. Dr. PAULO C. M. CARVALHO

  44. Controle de uma planta de dessalinização por osmose reversa acionada por sistema fotovoltáico e banco de baterias

    Article • December 2020, Sociedade Brasileira de Automatica

    Prof. Dr. PAULO C. M. CARVALHO

  45. Análise da composição físico-química da sujidade de plantas fotovoltaicas: estudo de caso para Fortaleza

    Article • Revista Tecnologia, October 2020, Universidade de Fortaleza

    Prof. Dr. PAULO C. M. CARVALHO

  46. Cenários para a matriz de geração de eletricidade do Ceará em 2050

    Article • Ciência e Natura, May 2020, Universidad Federal de Santa Maria

    Prof. Dr. PAULO C. M. CARVALHO

  47. Improving solar forecasting using Deep Learning and Portfolio Theory integration

    Article • Proceedings of the Institution of Civil Engineers - Energy, January 2020, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  48. Renewable Hybrid Systems: Characterization and Tendencies

    Article • IEEE Latin America Transactions, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  49. Efeitos da acumulação de sujeira sobre o desempenho de módulos fotovoltaicos

    Article • Revista Tecnologia, November 2019, Universidade de Fortaleza

    Prof. Dr. PAULO C. M. CARVALHO

  50. Novel methodology for detecting non-ideal operating conditions for grid-connected photovoltaic plants using Internet of Things architecture

    Article • Energy Conversion and Management, November 2019, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  51. On harvesting residual thermal energy from photovoltaic module back surface

    Article • AEU - International Journal of Electronics and Communications, November 2019, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  52. IoT embedded systems network and sensors signal conditioning applied to decentralized photovoltaic plants

    Article • Measurement, August 2019, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  53. Comparative analysis of photovoltaic modules center and edge temperature using IoT embedded system

    Article • Renewable Energy and Power Quality Journal, July 2019, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  54. Radial Basis Function for Solar Irradiance Forecasting in Equatorial Areas

    Article • Renewable Energy and Power Quality Journal, July 2019, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  55. Estudo sobre sombreamento em planta fotovoltaica localizada em zona urbana de Fortaleza-CE

    Article • Revista Tecnologia, June 2019, Universidade de Fortaleza

    Prof. Dr. PAULO C. M. CARVALHO

  56. IoT Network and Sensor Signal Conditioning for Meteorological Data and Photovoltaic Module Temperature Monitoring

    Article • IEEE Latin America Transactions, June 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  57. Implementation and Evaluation of the First Renewable Energy Systems Technical Course in Brazil

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  58. ENERGY LITERACY IN THE CONTEXT OF EFFICIENCY: AN EVALUATION OF MOZAMBICAN GENERAL EDUCATION WITH REFERENCE TO SOUTH AFRICA

    Article • Revista de Ensino de Engenharia, January 2019, GN1 Genesis Network

    Prof. Dr. PAULO C. M. CARVALHO

  59. Internet of Things Data Acquisition System Applied to Photovoltaic Water Pumping

    Article • IEEE Latin America Transactions, October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  60. Alfabetização energética no contexto da eficiência: lições a aprender com África do Sul, Brasil, Índia e Portugal

    Article • Nature and Conservation, September 2018, Escola Superior de Sustentabilidade

    Prof. Dr. PAULO C. M. CARVALHO

  61. A hybrid model based on time series models and neural network for forecasting wind speed in the Brazilian northeast region

    Article • Sustainable Energy Technologies and Assessments, August 2018, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  62. Comparison of Photovoltaic Plant Performance Estimation Models: A Case Study for Fortaleza, Brazil

    Article • IEEE Latin America Transactions, July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Dr. PAULO C. M. CARVALHO

  63. Análise da sustentabilidade da geração de eletricidade do Ceará

    Article • Revista Tecnologia, June 2018, Universidade de Fortaleza

    Prof. Dr. PAULO C. M. CARVALHO

  64. Innovative hybrid models for forecasting time series applied in wind generation based on the combination of time series models with artificial neural networks

    Article • Proceedings of the Institution of Civil Engineers - Energy, May 2018, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  65. Land requirement scenarios of PV plants in Brazil

    Article • Renewable Energy and Power Quality Journal, April 2018, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  66. MLP Back Propagation Artificial Neural Network for Solar Resource Forecasting in Equatorial Areas

    Article • Renewable Energy and Power Quality Journal, April 2018, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  67. Modeling box - jenkins applied a prediction of wind speed in the regions of the brazilian northeast for the fins of wind generation

    Article • Ciência e Natura, March 2018, Universidad Federal de Santa Maria

    Prof. Dr. PAULO C. M. CARVALHO

  68. Modelo híbrido de previsão de séries temporais para possíveis aplicações no setor de geração eólica

    Article • Ciência e Natura, March 2018, Universidad Federal de Santa Maria

    Prof. Dr. PAULO C. M. CARVALHO

  69. Proposta para Previsão de Velocidade do Vento Através de Modelagem Híbrida Elaborada a Partir dos Modelos ARIMAX e RNA

    Article • Revista Brasileira de Meteorologia, March 2018, FapUNIFESP (SciELO)

    Prof. Dr. PAULO C. M. CARVALHO

  70. Innovative Hybrid Modeling of Wind Speed Prediction Involving Time-Series Models and Artificial Neural Networks

    Article • Atmosphere, February 2018, MDPI AG

    Prof. Dr. PAULO C. M. CARVALHO

  71. DESENVOLVIMENTO E VALIDAÇÃO DE TRAÇADOR DE CURVA IxV PARA MÓDULOS FOTOVOLTAICOS USANDO O MÉTODO DE CARGA ELETRÔNICA

    Article • Revista Brasileira de Energia Solar, February 2018, Associação Brasileira de Energia Solar

    Prof. Dr. PAULO C. M. CARVALHO

  72. IoT embedded linux system based on Raspberry Pi applied to real-time cloud monitoring of a decentralized photovoltaic plant

    Article • Measurement, January 2018, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  73. Portfolio Theory applied to Solar and Wind resources forecast

    Article • IET Renewable Power Generation, May 2017, the Institution of Engineering and Technology (the IET)

    Prof. Dr. PAULO C. M. CARVALHO, Luiz Bessa, Josileudo Leite, Marcello Lima, Francisco Evandro de Melo

  74. Caracterização de potencial eólico: estudo de caso para Maracanaú (CE), Petrolina (PE) e Parnaíba (PI)

    Article • Revista Brasileira de Energia Solar, November 2016, Associação Brasileira de Energia Solar

    Prof. Dr. PAULO C. M. CARVALHO

  75. PREVISÃO DE RADIAÇÃO SOLAR INCIDENTE NO ESTADO DO CEARÁ - BRASIL

    Article • HOLOS - ISSN 1807-1600, November 2016, Instituto Federal de Educacao, Ciencia e Tecnologia do Rio Grande do Norte (IFRN)

    Prof. Dr. PAULO C. M. CARVALHO

  76. Online Monitoring System for Electrical Microgeneration via Embedded WiFi Modem

    Article • IEEE Latin America Transactions, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    MSc. Renata I. S. Pereira, Prof. Dr. PAULO C. M. CARVALHO

  77. Particle Swarm Optimization method for estimation of Weibull parameters: A case study for the Brazilian northeast region

    Article • Renewable Energy, February 2016, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  78. scenarios for use of floating photovoltaic plants in Brazilian reservoirs

    Article • IET Renewable Power Generation, November 2015, the Institution of Engineering and Technology (the IET)

    Professor Elissandro Monteiro do Sacramento, Prof. Dr. PAULO C. M. CARVALHO

  79. WiFi Data Acquisition System and online monitoring applied to thermoelectric microgeneration modules

    Article • Renewable Energy and Power Quality Journal, April 2015, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  80. Deterioration and performance evaluation of photovoltaic modules in a semi-arid climate

    Article • Renewable Energy and Power Quality Journal, March 2015, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  81. Photovoltaic powered irrigation system applied to familiar agriculture

    Article • Renewable Energy and Power Quality Journal, March 2015, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  82. Solar and Wind powered Stand Alone Water Pumping System

    Article • Renewable Energy and Power Quality Journal, March 2015, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  83. Application of Different Indices of Performance Evaluation of Forecast for Wind Speeds

    Article • Renewable Energy and Power Quality Journal, April 2014, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  84. Feasibility study for the transition towards a hydrogen economy: A case study in Brazil

    Article • Energy Policy, November 2013, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  85. Feasibility study of photovoltaic powered reverse osmosis and pumping plant configurations

    Article • IET Renewable Power Generation, March 2013, the Institution of Engineering and Technology (the IET)

    Prof. Dr. PAULO C. M. CARVALHO

  86. Controllogger: A remote monitoring system for decentralized renewable energy sources

    Article • Renewable Energy and Power Quality Journal, April 2012, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Prof. Dr. PAULO C. M. CARVALHO

  87. A Low Cost Concept for Data Acquisition Systems Applied to Decentralized Renewable Energy Plants

    Article • Sensors, January 2011, MDPI AG

    Prof. Dr. PAULO C. M. CARVALHO

  88. Biogas/photovoltaic hybrid power system for decentralized energy supply of rural areas

    Article • Energy Policy, August 2010, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  89. Small-scale photovoltaic-powered reverse osmosis plant without batteries: Design and simulation

    Article • Desalination, October 2009, Elsevier

    Prof. Dr. PAULO C. M. CARVALHO

  90. Planejamento energético rural assistido por computador

    Article • Engenharia Agrícola, June 2009, FapUNIFESP (SciELO)

    Prof. Dr. PAULO C. M. CARVALHO

  91. The Brazilian experience with a photovoltaic powered reverse osmosis plant

    Article • Progress in Photovoltaics Research and Applications, July 2004, Wiley

    Prof. Dr. PAULO C. M. CARVALHO

  92. Wind Energy and Greenhouse Gases Emission Market: The Brazilian Potential

    Article • Wind Engineering, March 2003, SAGE Publications

    Prof. Dr. PAULO C. M. CARVALHO