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Electrical Engineering

, Volume 100, Issue 2, pp 347–353 | Cite as

Process capability index for AC transformer under electrical harmonics

  • Luis Carlos Méndez-González
  • Luis Alberto Rodríguez-Picón
  • Abel Eduardo Quezada-Carreón
  • Roberto Romero-López
  • Vicente Garcia
Original Paper
  • 294 Downloads

Abstract

Nowadays, the quality of electronic devices is subjected to many variables such as electrical, thermal, mechanical and environmental factors. Voltage variation induced by electrical harmonics presented in the power lines is one of the main causes for electronic products to reduce their quality and performance in an operational environment. In this study, more significant variables are addressed, and a comparative study between voltage variations with and without electrical harmonics is presented. The case study presented in this paper is based on a transformer under voltage scenarios proposed in this study. The corresponding Cpk index in the transformer was estimated using a non-normal tool. The results of the case study showed that laptop computer under electrical harmonics has a lower Cpk rank and that Cpk value impacts directly the lifetime and performance of the device.

Keywords

Process capability index Electrical harmonics Power quality issues Inverse power law Transformers Reliability 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Luis Carlos Méndez-González
    • 1
  • Luis Alberto Rodríguez-Picón
    • 1
  • Abel Eduardo Quezada-Carreón
    • 2
  • Roberto Romero-López
    • 1
  • Vicente Garcia
    • 2
  1. 1.Department of Industrial Engineering and Manufacturing, Institute of Engineering and TechnologyUniversidad Autónoma de Ciudad JuárezCiudad JuárezMexico
  2. 2.Department of Electrical and Computer Engineering, Institute of Engineering and TechnologyUniversidad Autónoma de Ciudad JuárezCiudad JuárezMexico

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