Fractional-order circuit models of the human body impedance for compliance tests against contact currents

Santis, Valerio De; Martynyuk, Valeriy; Lampasi, Alessandro; Fedula, Mykola; Ortigueira, Manuel Duarte

doi:10.1016/j.aeue.2017.04.035

Cited by 21 publications

(10 citation statements)

References 18 publications

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“…6 we can conclude that the small semicircle is substantially deformed by the loss of electric energy and is under the influence of noise obstruction. Such a character of the Nyquist plot corresponds to the fractional capacitor with significant losses of electric energy [7,8].…”

Section: Solar Cell Diagnostics Systemmentioning

confidence: 99%

“…The question of choosing an adequate mathematical model for calculating the I-V curves of the solar cell is considered in the following papers [2]. In the paper [5] and ideality factor for a diode m remain unknown [8,9].…”

Section: Solar Cell Mathematical Modelmentioning

confidence: 99%

“…It includes 5 unknown parameters that have to be found in different ways: , Substituting these values into equation 5 where: is the coefficient of proportionality. The actual photocurrent value ph I depends on the temperature of the panel and solar irradiance, and, taking into account (6), is defined by the following ratio [8,9,10]:…”

Section: Solar Cell Mathematical Modelmentioning

confidence: 99%

“…The dependence of the current s I on the temperature can be expressed with the help of temperature coefficients of short circuit and open circuit [8] according to the following ratio: (10) where: It is known that the solar cell output power is a product of output voltage V and current I :…”

Section: Solar Cell Mathematical Modelmentioning

confidence: 99%

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Diagnostics of Solar Cells

et al. 2019

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The paper represents the mathematical model for diagnostics of solar cell. The research objectives are the problem of determining a solar cell technical condition during its operation. The solar cell diagnostics is based on the mathematical model of solar cells. The single-diode solar cell model is characterized by a slight deviation of the theoretically calculated characteristics from the characteristics of the real solar cell, one of the reasons being the complexity of the accurate measurement of the series resistance. The single-diode solar cell model uses the current and voltage ratio in the form of an implicit function and it cannot be solved directly. For its solution it is necessary to use numerical methods. This is main disadvantage of the single-diode solar cell model. The methodological approach to increasing the reliability of the solar cell diagnostic has been proposed, in terms of multi-parameter the solar cell diagnostic by applying the solar cell impedance model.

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Section: Solar Cell Diagnostics Systemmentioning

confidence: 99%

Section: Solar Cell Mathematical Modelmentioning

confidence: 99%

Section: Solar Cell Mathematical Modelmentioning

confidence: 99%

Section: Solar Cell Mathematical Modelmentioning

confidence: 99%

See 2 more Smart Citations

Diagnostics of Solar Cells

et al. 2019

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“…In order to ascertain the theoretical basis of research question 2, prior to the experimental and the simulation assessments, an approximate analysis can be offered through a lumped impedance representation of the cases involving localised versus longer electrodes. It has generally been shown that the impedance of different tissue layers can be approximately represented by simplified lumped impedance models [24], [25], [26]with impedance magnitudes at the applied frequency considered. Following the geometric model presented previously, and assuming θ = 0, Fig.…”

Section: Lumped-impedance Simplified Representationmentioning

confidence: 99%