Limiting equivalent electric field response in Ar+SF/sub 6/ subjected to orthogonal electric and magnetic fields

Dincer, M.S.; Hiziroglu, H.R.

doi:10.1109/tdei.2002.1007707

Cited by 11 publications

(12 citation statements)

References 10 publications

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“…Tables I, II, III, IV show the comparison of some of the theoretical values at four different pressures. From the comparison, the experimental values of the present study exhibited a good agreement with the calculated values of an earlier study [2] using Monte-Carlo simulation. …”

Section: IIIsupporting

confidence: 87%

“…Christophorou and R.J. Van Brunt also reported a similar observation in SF 6 + N 2 mixtures [9]. In a previous work, limiting fields in SF 6 + Ar was determined theoretically using the Monte-Carlo method [2]. From the breakdown voltages measured in this study, we can also calculate the limiting fields from…”

Section: IIIsupporting

confidence: 69%

“…This disadvantage can be overcome by mixing Ar with sulfur hexafluoride (SF 6 ). In fact, our theoretical calculations of the limiting fields [2,3] and experimental studies under impulse and static electric fields showed that even a small percentage of SF 6 in Ar improved the dielectric strength quite significantly [4,5,6,7,8].…”

Section: Introductionmentioning

confidence: 93%

“…where V s represents the breakdown voltage of the gap, N is the number density of the gas mixture, d is the gap length and (E/N) lim is the limiting field as defined elsewhere [2]. Tables I, II, III, IV show the comparison of some of the theoretical values at four different pressures.…”

Section: IIImentioning

confidence: 99%

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Breakdown of Ar + SF<inf>6</inf> under ac electric fields

Hiziroglu

Dincer

2010

2010 Annual Report Conference on Electrical Insulation and Dielectic Phenomena

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In this study, alternating voltages with different values were employed to study the behavior of Ar mixed with SF 6 . The percentage of SF 6 in Ar was varied from 5% to 90% at a total gas pressure of 50 kPa, 100 kPa, 150 kPa and 200 kPa, and the breakdown voltages of each gas mixture were recorded. Similar to earlier studies under static electric fields and impulse fields, it is observed that the breakdown strength of Ar has increased dramatically when mixed with a small percentage of SF 6 under alternating voltages. However, the breakdown voltages did increase monotonically, but not dramatically for higher SF 6 concentrations in Ar.

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Section: IIIsupporting

confidence: 87%

Section: IIIsupporting

confidence: 69%

Section: Introductionmentioning

confidence: 93%

Section: IIImentioning

confidence: 99%

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Breakdown of Ar + SF<inf>6</inf> under ac electric fields

Hiziroglu

Dincer

2010

2010 Annual Report Conference on Electrical Insulation and Dielectic Phenomena

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“…___________________ Manuscript received on 10 June, 2005, in final form 20 December 2005. At present, one of the most important alternatives to pure SF 6 seems to be a gaseous mixture with SF 6 content without greatly compromising the good qualities of pure SF 6 . There have been studies into the mixtures of SF 6 with many different gases such as nitrogen (N 2 ) [2][3][4][5], carbon dioxide (CO 2 ) [6][7][8], helium (He) [9,10], and argon (Ar) [11][12][13][14][15][16]. Among all of these mixtures, although N 2 has a rather low dielectric strength, N 2 and SF 6 binary mixture seems to be the simplest and the least expensive alternative due to the inertness and abundant availability of N 2 .…”

Section: Introductionmentioning

confidence: 99%

The behavior of N/sub 2/ + SF/sub 6/ gas mixtures subjected to orthogonal electric and magnetic fields

Dincer

Hiziroglu

Bektas

2006

IEEE Trans. Dielect. Electr. Insul.

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The limiting equivalent electric fields in N 2 + SF 6 binary gas mixtures due to Townsend discharges are evaluated directly from a Monte-Carlo simulation when the mixture is subjected to orthogonal electric and magnetic fields. Along with the limiting equivalent electric fields, transverse and perpendicular drift velocities, electron mean energies and collision frequencies are also determined within the scope of the Monte-Carlo simulation. The equivalent reduced electric field (EREF) concept for the corresponding limiting electric fields is also investigated for the calculated mean energy levels and collision frequencies. The EREF values are found to be in good agreement with the previously published limiting electric field data.

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Back diffusion of electrons in argon subjected to uniform time invariant orthogonal electric and magnetic fields

et al. 2017

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In this study, the processes of back diffusion in Ar subjected to crossed fields are analyzed by using the Monte Carlo simulation method in the E/N range of 50 to 500 Td (1 Td = 1 × 10–17 V cm2) for 0 < B/N < 25 × 10−19 T cm3. At a given constant E/N, escape factors decrease with an increasing crossed, reduced magnetic field B/N. This reduction in the escape factor is more pronounced in the lower E/N range. Furthermore, the mean number of collisions of back scattered electrons is quite large, and at a given E/N, the mean number of collisions decreases as the crossed B/N increases.

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Limiting equivalent electric field response in Ar+SF/sub 6/ subjected to orthogonal electric and magnetic fields

Cited by 11 publications

References 10 publications

Breakdown of Ar + SF<inf>6</inf> under ac electric fields

Breakdown of Ar + SF<inf>6</inf> under ac electric fields

The behavior of N/sub 2/ + SF/sub 6/ gas mixtures subjected to orthogonal electric and magnetic fields

Back diffusion of electrons in argon subjected to uniform time invariant orthogonal electric and magnetic fields

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