Xenon-filled diode performance under influence of low doses of gamma radiation

Pejović, Momčilo M.; Živanović, Emilija; Stojanovic, M.

doi:10.1016/j.apradiso.2022.110207

Cited by 2 publications

(3 citation statements)

References 24 publications

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“…Interestingly, reproducibility was also observed in the irradiated GFSA samples of all mentioned manufacturers, in contrast to our previous experiments with xenon-filled gas tubes [31], where the sample used did not show a good agreement with the Weibull distribution to such an extent. Namely, during the analysis of experimental results for different voltage increase rates, the values for R 2 went up to 0.758 in the presence of radiation, which indicates the reliability of GFSAs under different experimental conditions.…”

Section: The Weibull Distribution and Parameters Estimationcontrasting

confidence: 97%

“…In order to process the measured data, a cumulative distribution was performed for showing the probability of the variable to take a value less than or equal to a specific value. According to previous results and analyses [31,34] of the statistical behavior of the electric breakdown voltage distribution of a xenon-filled tube, the Weibull function presented a good agreement between the theory and the experiment, so it was performed in this case as well. Namely, the Weibull distribution was chosen as it is often used for performing the life data analysiscalculating the lifetime characteristics.…”

Section: The Weibull Distribution and Parameters Estimationmentioning

confidence: 87%

“…For the realization of the experiment, the system for measuring and data acquisition presented in detail in Refs. [23,31] was used. Figure 2 It can be emphasized that the system for breakdown voltage measurement consists of an analog and a digital subsystem.…”

Section: Methodsmentioning

confidence: 99%

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Study of Breakdown Voltage Stability of Gas-Filled Surge Arresters in the Presence of Gamma Radiation

2022

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The results presented in this article relate to the study of the impact of gamma radiation on the breakdown voltage of gas-filled surge arrester manufactured by CITEL, Littelfuse and EPCOS at an operating voltage of 230 V. Radium was considered as a source of gamma radiation in this research. The stability of breakdown voltage as well as the reliability of gas-filled surge arresters of different manufacturers were investigated using different statistical methods. This gas component operation was based on processes that lead to electrical breakdown and discharge in gas. The breakdown voltage has a stochastic nature, and it is a subject of certain distribution. One thousand voltage measurements of breakdown voltage were carried out for each value of the voltage increase rate, from 1 V/s up to 10 V/s, with and without the presence of additional gamma radiation. The detailed statistical analysis of the obtained experimental data was performed for both cases for all three GFSA types. Moreover, the cumulative distribution functions of breakdown voltage were presented with the applied Weibull distribution fit. The coefficient of correlation as well as Pearson χ2 test showed the strength of the relationship between the experimental distribution functions and the Weibull distribution fits. The values of the Weibull distribution coefficients for all voltage increase rates and for all components were also analyzed with and without gamma radiation.

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Section: The Weibull Distribution and Parameters Estimationcontrasting

confidence: 97%

Section: The Weibull Distribution and Parameters Estimationmentioning

confidence: 87%