This work presents the modeling and simulation of a hybrid mini grid with photovoltaic-diesel generation and an energy storage system. The studied network refers to the facilities of the Center of Excellence in Energy Efficiency of the Amazon (CEAMAZON), located at the Federal University of Pará (UFPA), enhanced by the project of an Intelligent System for the Efficient Management of Multimodal Electric Mobility. The model was created with OpenDSS software associated with Python, ensuring that the environment formed represents the electrical characteristics and operational resources of the grid. The study compared the data from the simulations with measurements from the real grid, verifying the parity between them. Resumo: Este trabalho apresenta a modelagem e simulação de uma minirrede híbrida com geração fotovoltaica-diesel na presença de um sistema de armazenamento de energia. A rede estudada se refere as instalações do Centro de Excelência em Eficiência Energética da Amazônia (CEAMAZON), localizado na Universidade Federal do Pará (UFPA), incrementada pelo projeto de Sistema Inteligente de Gestão Eficiente de Mobilidade Elétrica Multimodal. O modelo foi criado com o software OpenDSS associado com Python, garantindo que o ambiente formado represente as características elétricas e os recursos operacionais da rede. O estudo comparou os dados das simulações com medições da rede real, verificando a paridade entre elas.
Resumo-Este artigo apresenta a construção de uma rede 4G e sua análise de tráfego via protocolo de rede, com foco no uso de softwares open-source para a montagem dos principais módulos que constituem a arquitetura básica da tecnologia Long Term Evolution (LTE). A contribuição deste trabalho é demonstrar a emulação de uma rede LTE de baixo-custo indoor usando rádio definido por software e como resultado uma análise de tráfego da mesma via protocolos da camada de transporte para validar a emulação.
This article presents an energy consumption analysis of two differentemulation scenarios of a GSM (Global System for Mobile)network; one with a traditional computer and another with RaspberryPi 3. The network is created by open-source software thatemulates the main modules of a GSM network, this emulation combinedwith a radio generator equipment enables calls and messageexchange between network users. The CELCOM project designsand implements community networks in digitally isolated regions,the scenarios presented in this article can be applied in works ofCELCOM project. The power distribution service of this GSM network,in isolated regions, does not have the required stability tomaintain the quality in community networks, creating a demand foran alternative power system. Different scenarios are proposed andanalyzed in this work, trying to get a lower energy consumption
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