Monte-Carlo Analysis of the Influence of the Electrical Component Tolerances on the Behavior of Series-Series- and LCC-Compensated IPT Systems

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ID: 110563
2020
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Abstract
The use of compensation networks increases the power transfer capability of inductive power transfer (IPT) systems in the battery charging process of electric vehicles (EVs). Among the proposed topologies, the Series-Series (SS) and the LCC networks are currently in widespread use in wireless battery chargers based on IPT systems. This paper focuses on the study of the behavior of both compensation topologies when they are detuned due to the tolerances of their components. To compare their performances, a Monte-Carlo analysis was carried out using Simulink and MATLAB. The tolerance values, assigned independently to each component, fall within a [ − 20 , 20] % range according to a normal distribution. Histograms and scatter plots were used for comparison purposes. The analysis reveals that the LCC network allows a tighter control over the currents that flow through the magnetic coupler coils. Moreover, it was found that the increments in those currents can be limited to some extent by selecting capacitors featuring low tolerance values in the LCC compensation. Nevertheless, the SS network remains an appropriate choice if size and cost are essential constraints in a given design.
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lópez-alcolea2020energiesmonte-carlo Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Francisco Javier López-Alcolea;Javier Vázquez;Emilio J. Molina-Martínez;Pedro Roncero-Sánchez;Alfonso Parreño Torres;López-Alcolea, Francisco Javier;Vázquez, Javier;Molina-Martínez, Emilio J.;Roncero-Sánchez, Pedro;Parreño Torres, Alfonso;
Journal energies
Year 2020
DOI
10.3390/en13143663
URL
https://www.mdpi.com/1996-1073/13/14/3663
Keywords
wireless power transfer comparative analysis electric vehicle wireless charging simulation model series compensation lcc compensation inductive power transfer component tolerances monte-carlo analysis

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