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Ingeniería Energética
versión On-line ISSN 1815-5901
Resumen
ASTORGA GOMEZ, Juan M. Statistical analysis of the voltage drop in a low voltage electrical system. Energética [online]. 2013, vol.34, n.2, pp. 151-162. ISSN 1815-5901.
This paper presents a statistical approach for the evaluation of the voltage drop in a low voltage electrical system, based on the application of two basic tools of statistical process control known as control charts and process capability analysis. The results for two test systems are shown, testing of normality and partial autocorrelation for samples are performed, the results of the control charts Xbar-S are interpreted and the process capability analysis are assessed considering the foundations for the quality improvement. The test systems used in this work are one electrical system single-phase low voltage and one electrical system of three-phase low voltage. The main objective of this paper is to evaluate the state of statistical control of the process variable "voltage drop", as a tool for continuous improvement of the electrical process.
Palabras clave : process capability analysis; voltage drop; Xbar-S control charts; statistical process control.