O. J. Soto-Marin

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This paper presents a new technique to characterize electrical arc furnaces through the measurement of electric power, stationary and transient states, and the imbalance of these systems. The nonstationary behavior of the voltage and current signals in electric arc furnaces is considered, and analysis techniques of power quality in the time domain are used.(More)
This paper focuses on the study of the high failure rate of energy meters installed in low voltage networks in rural areas with high keraunic level in the departmento de Caldas. The methodology implemented in this study enables the analysis of failure root cause, the calculation of failure rates and also the identification of the critical zone of meter(More)
Electric arc furnace transformers are very important in the steel production industry. Currently, it is very common for companies to buy used transformers considering the huge investment that represents the acquisition of a new transformer and also the delay in the purchase transaction. Before accepting a commercial agreement and putting the transformer(More)
Transient behavior in grounding systems related to electric arc furnaces (EAF) might be studied using an approach to Kron's circuit model to solve Maxwell's differential equations in electromagnetic field theory. This paper presents a circuit model designed using Kron's approach implemented in alternative transient program (ATP). The model is suitable to(More)
The electric arc furnace transformer is one of the most important devices in the steelmaking industry. Installing used transformers is very common nowadays taking into account the huge investment that represents the acquisition of a new one. The transformer is subjected to electrical stress, thus it is necessary to assess the wear and tear levels in the(More)
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