Miguel Edgar Morales Udaeta

Miguel Edgar Morales Udaeta
University of São Paulo | USP

About

200
Publications
43,250
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531
Citations
Citations since 2017
83 Research Items
388 Citations
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
Introduction
Skills and Expertise

Publications

Publications (200)
Conference Paper
Full-text available
The objective of this work is to comparatively analyze the environmental impacts of energy storage technologies, considering two alternatives with the greatest potential for large-scale application in the Brazilian power grid system, namely Pump Hydro Storage (PHS) and Hydrogen (H2). Two energy routes were idealized for PHS and H2, starting from po...
Article
Electricity losses have been a focus of attention for Distribution System Operators (DSOs) and regulatory bodies. To define non-technical loss reduction policies is necessary to determine their amount. The strategy adopted is to calculate the technical losses to obtain the non-technical losses through the total losses difference. This paper present...
Article
Full-text available
The urgent need to curb climate change calls for an energy transition to cleaner, more resilient and sustainable solutions. Combined designs of energy storage systems and demand management strategies are becoming more frequent in the literature. However, are these solutions really sustainable from a multi-dimensional approach and in real-world appl...
Article
The goal of this work is to evaluate parameters associated with energy storage systems from a social perspective. The work is based on aspects of energy planning to highlight the distinct aspects that may compel new distributed generators into the sector. The energy planning maps dimensions regarding resources demand and supply that may set social...
Article
Full-text available
The objective of this work is to analyze the economic viability of a replacement to the energy supplied by the grid during costly periods by infrastructure owned by the consumer. The study takes into account the costs to purchase, manage and operate the structure to set which option an affordable option. A statistical approach based on the Monte Ca...
Conference Paper
The aim of this work is the assessment of social, cultural, and environmental impacts caused by power utilities when building an electric overhead transmission line crossing virgin rainforest. The methodology implies in the systematization of the impacts and the mitigation actions taken, studying the impacts considering the sustainable development...
Article
The growing participation of variable renewable sources, with production costs close to zero, requires the review of electricity markets to guarantee security of supply. This work evaluates the dependence on additional revenue of different technologies that provide long-term reliability in a predominantly hydropower system, with model-based spot pr...
Article
Full-text available
This work assesses the energy planning from a perspective of sustainable development, with the main objective being to identify the main uncertainties and challenges to be faced in reaching an electric offering planning that satisfies the assumptions of sustainable and clean development. For this, the concepts of energy planning, energy security an...
Article
Sustainable Developing Agenda, through initiatives such as Agenda 21 and 2030, provides a series of goals and targets to support decarbonization and improve quality of life conditions. It is essential to assess if the challenges faced by developing countries for the energy transition to a low-carbon electricity sector are being addressed in this ag...
Article
Full-text available
This work aims at analyzing and architecting natural and artificial parameters to model a water-film cooling system for photovoltaic modules for some months under warm conditions. Methodologically, the theoretical and technical aspects were structured to develop, implement, monitor, and assess the cooling system at an on-grid, outdoor testing unit,...
Article
Full-text available
The objective of this work is to analyze disturbances in the environment caused by anthropic activities in the oil and gas extraction sector. Methodologically, focusing on environmental vulnerability (EV), hydrocarbons (oil and gas) are considered through a qualitative and quantitative analysis of environmental impacts, including the research of En...
Article
Full-text available
This work aims at developing and validating mathematical models and empirically evaluating a water-film cooling system for commercial photovoltaic modules. Methodologically, thermal, electrical and climatological data measured in a specific purpose on-grid outdoor test unit were used. In this work they are used to study the improvement in the perfo...
Conference Paper
This study presents a new methodology to evaluate long-term sustainable development of photovoltaic power plants and other energy sources. There is lack of energy models that take socio-environmental issues into consideration before decision making in energy planning and that are robust enough to support the lack of data. The methodology presented...
Conference Paper
The objective of this work is to evaluate the potential availability of primary energy from wind and sun contained in an air Basin aiming at generating electricity by conventional technologies. Methodologically, the systematic behavior of the wind and the incidence of the Sun is set, through anemometric and solarimetric data in loco using two Anemo...
Article
Full-text available
O trabalho utiliza modelo inédito de cálculo de Tarifas de Uso dos Sistemas de Distribuição – TUSD na forma microgranular, calculadas por unidade consumidora e por hora, seguindo o princípio tarifário da causalidade de custos. O modelo é aplicado à concessionária de distribuição real utilizando dados dos processos de revisão tarifária periódica, co...
Chapter
O objetivo do trabalho é explorar e caracterizar fontes de energia solar e eólica vinculadas à área de influência de hidroelétrica na região sudeste do Brasil, além de desenvolver uma metodologia de determinação de desempenho teórico dos sistemas implementados considerando fatores de influência em seu funcionamento. A metodologia explora três aspec...
Chapter
The effects of these bills on the electricity and gas sectors will depend on the final approval of these bills, with the possible vetoes that may occur, and on how they will be regulated in the future. Thus, the focus of this chapter is on systematizing the history of regulation of the gas market in Brazil and on the discussion of what the possible...
Conference Paper
The article presents a probabilistic analysis of the dispatch of a multi- source system. It was used the Monte Carlo method to evaluate the voltage and current profiles in the load and the battery, as well as the power factor and transformer loading. Besides, an economic analysis was carried out for each scenario generated, finding the optimal oper...
Article
This work aims to analyse, from the point of view of long-term electrical power sector planning, the regulatory aspects for the implementation of offshore gas-to-wire (GtW) technology, focusing on a Brazilian case study and pre-salt fields. The main results show that in terms of implementation, offshore GtW must be auctioned as a structuring projec...
Conference Paper
This work presents an overview of the parameters regarding modern energy consumers’ representation. As new energy generation technologies are implemented, attending an increasing demand and sustainability goals, the role of modern consumers changes in comparison to previous activities. The new framework of the sector implies broader changes than op...
Article
Full-text available
The objective of this work is to develop a framework related to energy storage systems implementation. The work focuses on a Brazilian scenario and applies information regarding demographic changes, economic, governmental and energy resources studies to establish the opportunities and barriers for a battery deployment in the country. This informati...
Article
Full-text available
The objective of this work is to analyze, through environmental vulnerability (EV), disturbances in the environment caused by anthropic activities for the production of energy resources, focusing on the power generation sector. Methodologically, hydrocarbons (oil and gas) and solar are considered through a qualitative and quantitative analysis of e...
Conference Paper
Full-text available
RESUMO O trabalho utiliza modelo inédito de cálculo de Tarifas de Uso dos Sistemas de Distribuição-TUSD na forma microgranular, calculadas por unidade consumidora e por hora, seguindo o princípio tarifário da causalidade de custos. Como resultado são obtidas curvas tarifárias (24 horas) para cada uma das 107.642 unidades consumidoras residenciais....
Chapter
Full-text available
O objetivo deste trabalho é avaliar no contexto da análise de custos completos os planos preferenciais energéticos e referenciais do setor elétrico no contexto mundial. Metodologicamente partindo da estrutura dominada do planejamento energético de cada país e sua orientação ao desenvolvimento sustentável restrito e amplo, desenvolve-se uma análise...
Article
This work assesses the economic feasibility of replacing conventional peak power plants, such as Diesel Generator Sets (DGS), by using distributed battery energy storage systems (BESS), to implement Energy Time Shift during peak hours for commercial consumers, whose energy prices vary as a function of energy time of use (ToU tariffs). The economic...
Article
Full-text available
This paper constructs probability density distributions of direct normal, diffuse horizontal, and global horizontal irradiance for 1-min clearness indexes kb, kd, and kt, respectively. Previous studies on the clearness index, conditioned to the optical air mass, are analyzed and distributions of these three indexes, using data from two solarimetric...
Article
Full-text available
The aim of this paper was to show the actions and the implications of energy and politics, starting from the analysis of the governance of supranational policies, in the current context, for the search for structural and regulatory reforms, with economic, environmental, climatic, legal sustainability, social and political. The work developed a syst...
Conference Paper
The objective of this research was to present the concepts to determine the reliability of the multisource system in the commercial sector of a small electrical grid denominated Pilot Unit. Due to the evaluation and estimate of the reliability of Li-ion batteries in the Microgrid, the reliability of the multisource system was calculated. The calcul...
Conference Paper
This paper aims to highlight and enhance the tool called Computation and Valuation of Full Potentials (CVFP) for use in an electrical multi- sources microgrid (diesel generator, PV, grid connection and batteries energy storage system - BESS) to be installed in a medium voltage consumer unit. To this end, social, techno-economic, environmental and p...
Conference Paper
Full-text available
The objective of this work is to analyze the methodology for determining the primary wind energy resource contained in an aerial basin aiming at the production of effective electricity by conventional wind turbines. Methodologically, the wind behavior systematics was established by means of anemometric measurements data in-place using an Anemometri...
Conference Paper
Full-text available
O Trabalho tem o objetivo de analisar como a formação dos blocos econômicos UNASUL e MERCOSUL impactam na integração energética (IE) e na formação de preço no mercado livre de energia de países da América do Sul, com foco no estudo de caso da comercialização de eletricidade Brasil-Argentina e Brasil-Uruguai. A metodologia se baseia na fundamentação...
Article
The objective of this study is to evaluate the potential for electricity generation in the State of São Paulo (SP) from the sewage treatment. A sewage treatment plant (STP) with domain in the production of biogas from wastewater treatment plant (WWTP) is the basis for this case study. The basic premise is that the very generation of electricity in...
Conference Paper
This paper present a discussion about solar energy installed together with an energy storage (ES) in batteries, and these systems are connected to the distribution network. In addition to analyzing a way to mitigate one of a problem found in this source, the insecurity due to unpredictability of the weather. For that, the idea is to analyze and use...
Conference Paper
The objective of this work is to evaluate the solar photovoltaic power addressing the perspective of this kind of power generation and its barriers in the Brazilian Market, taking into consideration the economic perspective of the country and the initial phase of development of the technology in the country. To better address the economics behind t...
Conference Paper
The objective of this study is obtaining a methodology of analysis and determination of real-theoretical performance in power generation applied to photovoltaic systems of rigid and thin film panels and wind turbine systems, applying the theory that feature the systems and using solarimetric and anemometric data from the environment where the syste...
Chapter
This chapter evaluates module architectures and units of photovoltaic cooling systems, aiming to determine, select and design a modular system that can be applied in a real-scale photovoltaic power plant (PVPP) in order to enhance the yields of electricity production (entitled cooled photovoltaic plant). An analysis of the local climatic, geographi...
Conference Paper
Full-text available
The aim of this work is to analyze the method for determining the primary wind power source in an aerial basin for electricity production. The wind behavior is methodologically determined, using data measured at an Anemometric Station. The completion of the series is derived from synthetic analysis linked to the historical data of the aerial basin....
Article
Full-text available
p class="Abstract"> T he objective of this study is to evaluate the energy resources (ER) and the regulatory framework of the South American countries aiming at the sustainable development and to develop the South America Energy Integration (SAEI) in the long term focusing on structures such as transmission lines and pipelines. The methodology is b...
Article
Full-text available
This study presentsthe basesof a PreferentialPlan obtained through a new methodology for energy planning, the IRP (Integrated Resources Planning of Energy) for the Power Sector, developed in GEPEA/EPUSP, Brazil. This Integrated Energy Resources Preferential Plan is a systemic compilation of energy resources obtained through an integrated in-time an...
Conference Paper
Full-text available
RESUMO O objetivo deste artigo é analisar características e estrutura do recurso energético pelo lado da demanda-iluminação-dentro da Dimensão Ambiental, considerando, portanto, os atributos e subatributos que compõem esta Dimensão do PIR. É provado que projetos cujo escopo consista na modernização deste RELD, mais especificamente substituição de l...
Presentation
Full-text available
An enviromental analysis of the energy resource in a Business Company Consumer.
Conference Paper
This study analyzes the perspective of the increasing participation of distributed generation (DG) in power systems, and its impact on electrical energy planning. To evaluate the effects of DG, this study presents the results of simulations involving a distribution network where some of the consumers, randomly chosen, are small producers of electri...
Conference Paper
Full-text available
O artigo apresenta uma proposta sobre segurança veicular, pelo uso de sistemas inteligentes de reconhecimento facial e voz de motoristas, que apresentam embriaguez ou cansaços excessivos no volante, como ficar piscando os olhos, abrir e fechar a boca continuamente por bocejos, várias vezes, ou cair a cabeça para baixo ou para cima, assim como de um...
Conference Paper
Full-text available
The objective of this work is to evaluate the feasibility of implementing a cooled photovoltaic power plant (cPVPP) incorporated to a hydroelectric power plant (HPP). For this purpose, as a methodology, we will consider the development of a basic engineering prototype in accordance with a 100 kWp cPVPP, and, the theoretical basis analysis of the pr...
Article
This study aims to analyse the price-based demand response (DR) and photovoltaic distributed generation (PVDG) for developing an approach to model them as energy resources for power utility sustainable planning. The methodology involves a case study based on the IEEE 8500-Node Test Feeder with a distribution substation and 1177 low-voltage consumer...
Conference Paper
Full-text available
A necessidade de dados sobre a radiação solar com alto nível de confiabilidade é indiscutível e se apresenta cada vez mais necessária em função da utilização desses em diversas áreas de conhecimento como a agricultura, estudo de mudanças climáticas e aproveitamentos energéticos. Esse artigo tem como principal objetivo discutir a quantidade de mediç...
Conference Paper
Este trabalho tem como objetivo apresentar a viabilidade da instalação de uma usina fotovoltaica arrefecida (UFVa) integrada a uma usina hidrelétrica (UHE), por meio da avaliação da implementação dos equipamentos e materiais envolvidos na operação em estado normal com o intuito de avaliar vida útil, manutenção e descomissionamento do sistema. Os re...
Article
Full-text available
The goal of this study is to develop units of a photovoltaic (PV) cooling system and evaluate its performance, aiming at commercial electricity production, once the increase in electricity output is obtained by cooling down the temperature of the PV module. The methodology covers the description of production procedures, control and verification of...
Article
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This article aims to present a pattern of a set of practices and processes for the standardization of registry, storage and availability of data linked to primary intermittent energy (solar and wind energy). The defined methodology involves: (i) the thorough analysis of data storage assessment procedures from national and international reference ce...
Article
Full-text available
The objective of this work is to determine the specificities of the variables of the primary and secondary energy analysis process, considering a system of electrical generation by a wind power plant and by a solar photovoltaic power plant and the availability of data by a solarimetric station and by an anemometric station. In this sense, methodolo...
Article
Full-text available
The objective of the work is to systematize the measurement architecture in a real-scale proofing unit for the cooling system of a pilot photovoltaic plant. In this sense, it is constituted measurement procedures oriented in the variations of temperature inside modular cooling apparatus, system of comparison of the strings of the plant and control...
Article
Este trabalho tem por objetivo analisar o desenvolvimento de uma unidade modular arrefecedora para operação em módulos fotovoltaicos (FV) componentes de sistemas fotovoltaicos comerciais. Para isso o resfriamento modular consolida-se na interação dentro de um laboratório outdoor como unidade de provas, consolidando a determinação do modelo com melh...
Article
This paper proposes a method for evaluating and selecting the solar spectrum range to be absorbed by a photovoltaic cell to obtain a better relationship between radiation absorption for photovoltaic conversion and heating efficiency losses, in order to maximize the power generated by the cell. The methodology proposed considers the spectral respons...
Conference Paper
Full-text available
The purpose of this article is to describe the role of private actors in the process of energy integration in South America, through the gas sector. The continent is rich in energy sources, however, not equally distributed, thus the energy integration process is extremely important in order to keep enough energy supply throw the countries of the co...
Conference Paper
Full-text available
The efficient use of an energy resource in a power plant is considered of utmost importance within a lot of perspectives, e.g. energy efficiency, sustainable development, security of energy supply, optimization of the operation of the electric system - both generation and transmission. In this sense, the coefficient of the ratio "generated energy /...
Conference Paper
Full-text available
The objective of this work is to study and evaluate the impacts and challenges of the insertion of distributed generation (DG) linked to photovoltaic (PV) technology in Brazil and to verify its impact in a residence energy bill. The Brazilian panorama of the generation PV, the obstacles for its implantation, as well as its technical and regulatory...
Conference Paper
The aim of this work is to evaluate the impact of using a cooling system in a real scale Solar Photovoltaic Power Plant named cPVPP in the production of electricity in order to determine operating parameters and a model for this prototype system model. The methodology is based on the measurement, verification, and data analysis of temperature, and...
Article
Full-text available
The objective of this paper is to present a scientific research in the technical knowledge development based on a development program supported by funds from the energy industry, the Human Resources Program (PRH) of the National Agency for Petroleum, Natural Gas and Biofuels (ANP). This program is related to its educational and innovation activitie...
Chapter
The objective of this work is to propose new tools for energy planning under sustainable development paradigm through models, procedures and methodologies. Methodologically, these new tools are focused on Integrated Energy Resources Planning (IeRP or simple IRP), targeting a local, endogenous and/or regional sustainable development. For that, the u...
Article
Full-text available
The aim of this paper is to analyze the regulation of energy integration (EI) in Latin America, and to consider new EI scenarios. To do this methodologically, a concise and descriptive time line with milestones in the contemporary history of environmental, climatic and energy policies in Latin America is established in the period 1940-2015; Systema...
Article
Full-text available
The objective of this work is to apply the methodology of PIR (Integrated Energy-Resources Planning) within the corporate environment. It was chosen a pulp and paper industry because it is one of the largest energy consumers industry. In addition to the traditional resources, it was included a new technology, biomass gasification. Available gasific...
Article
Full-text available
The objective of this study is to validate a zero-energy solar house (ZESH) as a sustainable development tool, based in accounting greenhouse gases (GHG) emissions mitigation. The method considers a multicriterial assessment for electricity conservation, power generation and GHG reduction. The potential and limitations of photovoltaic systems (PVSs...