Volumen 5 No. especial (2014) - IEE: Congreso de Ingeniería Eléctrica y Electrónica

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Browsing Volumen 5 No. especial (2014) - IEE: Congreso de Ingeniería Eléctrica y Electrónica by Author "Guevara, David"

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    Evolución histórica de los circuitos electrónicos de inducción magnética
    (Universidad de Cuenca, 2014) Guamán, Jesús; Guevara, David; Ríos, Alberto; Universidad de Cuenca; Dirección de Investigación de la Universidad de Cuenca; DIUC
    The electronic devices used in heating systems thanks to the development of power electronics rapidly evolved to magnetic induction. Currently, Ecuador’s government is firmly committed to transform the country’s energy model. This will involve replacement of the classic gas-based heating systems for hot water by magnetic induction devices. The article presents a comparative study of different topologies of electronic circuits used in the induction heating process in the last 20 years. The evolution of electronic circuit’s magnetic induction is due to the technological breakthrough of soft switching devices. The existing topologies and their application in commercial electronic circuits demonstrate the growing interest in magnetic induction systems and the search for continuous improvement and increase in energy efficiency. The paper provides a detailed description of the different topologies used in the induction heating industry, and provides a comparison of the resonance frequencies, the powers of labor and the most relevant designs and dimensioning of electronic circuits for magnetic induction heating. The study pretends to serve as a theoretical basis for the selection and design of prototype domestic water heating systems by electromagnetic induction for domestic use.
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    Viabilidad económica del control de la iluminación fotovoltaica en autopistas del Ecuador
    (Universidad de Cuenca, 2014) Vargas, Carlos; Guevara, David; Ríos, Alberto; Universidad de Cuenca; Dirección de Investigación de la Universidad de Cuenca
    A most critical problem of highways is the high energy consumption associated with the lighting systems. The development of innovative control systems and the integration of renewable power generation systems in lighting systems allow for significant energy savings in highways. The Government of Ecuador has launched an ambitious project to build new highways throughout the country. The practical implementation of intelligent control lighting photovoltaic systems involves considerable energy savings and use of renewable and inexhaustible resource in the future highway network of Ecuador. In this paper, the features of so-called intelligent highways and innovative techniques for the control of lighting systems are described. Also, an introductory assessment of the potential impact on reducing the power consumption is presented.