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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Vladimir Sousa Santos
Universidad de la Costa (CUC)
Control & Systems Engineering Electrical & Electronics Engineering

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The smart grid concept applied to an industrial electrical system Isidro Fraga Hurtado; Julio Rafael Gómez Sarduy; Percy Rafael Viego Felipe; Vladimir Sousa Santos; Enrique Ciro Quispe Oqueña
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 12, No 4: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v12.i4.pp2140-2150

Abstract

Smart grids can be considered as a concept that integrates electrical, automatic control, information, and communication technologies. This concept constitutes a fundamental complement in the integration of renewable energy sources in electrical power systems. Although its application is fundamentally framed in transmission and distribution networks, it could also be implemented in industrial electrical systems. This article aims to analyze the advantages of implementing solutions based on smart grids in the industrial sector. Likewise, the results of its implementation in the large industry in the province of Cienfuegos, Cuba are presented. Specifically, reactive compensation, voltage, and demand management controls were integrated into a Supervision, Control, and Data Acquisition system forming a smart grid. It is shown that, in industries where infrastructure and equipment conditions exist, it is possible to successfully implement solutions with the functionalities and benefits inherent to smart grids.
A new approach to three-phase asynchronous motor model for electric power system analysis Laura Collazo Solar; Angel A. Costa Montiel; Miriam Vilaragut Llanes; Vladimir Sousa Santos
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 12, No 4: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v12.i4.pp2083-2094

Abstract

In this paper, a new steady-state model of a three-phase asynchronous motor is proposed to be used in the studies of electrical power systems. The model allows for obtaining the response of the demand for active and reactive power as a function of voltage and frequency. The contribution of the model is the integration of the characteristics of the mechanical load that can drive motors, either constant or variable load. The model was evaluated on a 2500 kW and 6000 V motor, for the two types of mechanical load, in a wide range of voltage and frequency, as well as four load factors. As a result of the evaluation, it was possible to verify that, for the nominal frequency and voltage variation, the type of load does not influence the behavior of the powers and that the reactive power is very sensitive to the voltage variation. In the nominal voltage and frequency deviation scenario, it was found that the type of load influences the behavior of the active and reactive power, especially in the variable load. The results demonstrate the importance of considering the model proposed in the simulation software of electrical power systems.
Co-Authors Angel A. Costa Montiel Enrique Ciro Quispe Oqueña Isidro Fraga Hurtado Julio Rafael Gómez Sarduy Laura Collazo Solar Miriam Vilaragut Llanes Percy Rafael Viego Felipe