Anomalous Paschen effect

Osmokrović, P.; Vasić, A.

doi:10.1109/tps.2005.856492

Cited by 36 publications

(14 citation statements)

References 14 publications

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“…Consequently, the values of the DC breakdown voltage at the points to the left of Paschen minimum (Figure 10, Figure 11 and Figure 12) are lower when there exists a magnetic field in the inter-electrode gap and vice versa, at the points to the right of the Paschen minimum (Figure 13, Figure 14 and Figure 15). The latter is attributable to the anomalous Paschen effect, which appears at the points to the left of the Paschen minimum [27]. According to the anomalous Paschen effect, lower values of the breakdown voltage correspond to higher inter-electrode distances.…”

Section: Resultsmentioning

confidence: 99%

The Influence of the Magnetic Field on DC and the Impulse Breakdown of Noble Gases

et al. 2019

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Increased electromagnetic contamination of the environment accompanied with the amplified miniaturization of electronic components underline the issue of the reliable operation of electronics. Reliability is of utmost importance in special applications such as medical instruments, nuclear installations, fusion experiments, etc., where larger magnetic fields occur during operation. Therefore, the interest for insulation components that consistently protect instrumentation from overvoltage is growing. This paper deals with the effects important for the stability of a gas surge arrester, the most commonly used low-voltage component for the overvoltage protection. The effect of the magnetic field on DC and the impulse breakdown of noble gases is investigated. For the theoretical interpretation of the obtained results, the spectrum of free electron gas was determined, which enabled the evaluation of a new expression for the first Townsend coefficient. The results obtained in that way were verified through comparison with theoretically calculated results. Experiments were carried out under well-controlled laboratory conditions.

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Section: Resultsmentioning

confidence: 99%

The Influence of the Magnetic Field on DC and the Impulse Breakdown of Noble Gases

et al. 2019

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“…Then it is possible to achieve a very large radius of the Paschen curve in the vicinity of the Paschen minimum. Therefore, positioning of the working point GSFA in the vicinity of the Paschen minimum enables approximately constant d.c. breakdown voltage, independently of small variations of pressure and inter-electrode gap during exploitation [6,7].…”

Section: Theorymentioning

confidence: 99%

Compatibility of the gas filled surge arresters characteristics

et al. 2009

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This paper deals with the influence of external factors (temperatures from -200 o C to 200 o C, radiation by high speed neutrons and thermal neutrons in controlled dosage) and working conditions on the stability of GFSA characteristics.Under well controlled laboratory conditions measurements of d.c. and pulse breakdown voltages were performed . During these measurements, following parameters were varied: 1) temperature, 2) dosage and energy of the previous neutron radiation and 3) energy and the number of previous breakdown occurrences on a surge arrester (aging). In accordance to these measurements, a software package was developed to enable the determination of analytical expressions for a suitable pulse characteristics. Statistical treatment of obtained results determined the influence of temperature, previous neutron radiation and previous discharges on the stability of GFSA characteristics. Also, by application of the statistical tests (U-test), the level of irreversible changes in GFSA characteristics under experimental conditions was determined. Obtained results are explained theoretically.

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“…The mean value of the mea sure ment, for a suf ficiently large num ber of sam ples, sat is fies the con ditions of the Cen tral limit the o rem, which means that is joined by the Gaussi an dis tri bu tion (or Stu dent's dis tribu tion if a smaller num ber of sam ples are in volved) [36][37][38][39][40][41].…”

Section: S Nmentioning

confidence: 99%

Influence of gamma radiation on Josephson junction

Kartalović

Djekic²,

Djekic

et al. 2021

NUCL TECH RAD PROT

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Quantum mechanics consideration, supported by a concrete example, yielded standard sources of direct voltage measured by frequency (which is the most accurate measurable physical quantity) and extremely sensitive instrument for measuring magnetic induction SQUID (which is an acronym based on the term Superconducting Quantum Interference Device). The possibility of these measurements is based on the Josephson junction. In this paper, the influence of gamma radiation on the measurement uncertainty Type A, of a commercial Josephson compound, is investigated. The conclusion is that both dynamic gamma radiation and the dose of gamma radiation, under the conditions of the experiment, have a negligible effect on the measurement uncertainty of the Josephson junction. Based on the obtained result, it was concluded that in the primary metrological conditions, the measurement uncertainty type A of the Josephson junction is negligible, i. e., that the secondary cosmic radiation does not affect the standard of the DC voltage source.

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Anomalous Paschen effect

Cited by 36 publications

References 14 publications

The Influence of the Magnetic Field on DC and the Impulse Breakdown of Noble Gases

The Influence of the Magnetic Field on DC and the Impulse Breakdown of Noble Gases

Compatibility of the gas filled surge arresters characteristics

Influence of gamma radiation on Josephson junction

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