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This paper presents a methodology for the evaluation and improvement of supply reliability indices. Based on statistical failure rates associated to each individual component, and other recorded information, such as restoration and reparation times, expected reliability indices related with the number and duration of interruptions are obtained for a feeder or set of feeders within a given area. If...
One of the biggest problems in power quality is the disconnection of electric motors due to the presence of sags. In order to study this phenomenon it became necessary to build a sag generator to, for example, develop immunity curves for induction motors as well as for synchronous motors. In this way it is possible to evaluate the quantitative impact of sags in these machines. This paper also analyzes...
This paper presents a software tool, named INCA, for the assessment and improvement of supply reliability indices. Based on statistical failure rates associated to each individual component, and other recorded information, such as restoration and reparation times, INCA obtains expected reliability indices related with the number and duration of interruptions, for a feeder or set of feeders. INCA then...
This paper develops a methodology for the estimation of relevant parameters characterizing harmonic polluting industrial loads through a set of measurements acquired at the point of common coupling. The proposed method is capable of obtaining an accurate load model in absence of detailed information about its internal structure and composition
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