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The Mines and Energy Planning Unit (UPME) is responsible for establishing the energy requirements of the population according to economic, social, technical and environmental principles. UPME updates the official document entitled “Power Generation and Transmission System Expansion Plan” every year. The power generation requirements, which are proposed by the Unit, are indicatives, because most of...
Research and citation performance was thoroughly surveyed at the Universidad de Sonora (UNISON), the largest state public university in Sonora, México. Bibliometric analysis for 2000–2009 indicated the faculty published 812 peer-reviewed journal articles indexed in Scopus and Web of Science. These were cited 8033 times, meaning an average of 10 citations per paper, 691 (85% of the articles) accounted...
A circuit model is here proposed to characterize grounded arrays of printed patches. This equivalent circuit reproduces the behavior of the structure in a wide frequency range with the only restriction of dealing with single resonant scatterers. Full-wave data is required to build some elements of the equivalent circuit. However, only a reduced number of simulations is needed, in contrast to other...
Voltage instability is a phenomenon related to very loaded systems associated, in general, with the demand of reactive power. Voltage collapse involves all or almost all the system. For this reason, is very important to consider this phenomenon and its prevention in order to improve the power system operation. There are several methods used to evaluate voltage stability margins, some of which give...
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