Development of a fluid structure interaction tool for the study and prevention of transformer tank explosions

Landis, Benjamin J.; Brady, Ryan

doi:10.1109/tdc.2010.5484302

Cited by 9 publications

(2 citation statements)

References 14 publications

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“…In this context, there have been various reports on pressure rise due to the internal arc of electric power equipment containing insulating oil, which mainly studied transformers . In recent years, it has been conducted investigations by simulation of pressure releasing apparatus and pressure resistance of transformers as well as studies by simulating arc in insulating oil with gunpowder in water .…”

Section: Introductionmentioning

confidence: 99%

Pressure Rises Due to Arc Under Insulating Oil in Closed Vessel—Relationship between Bubble Behavior and Pressure Rises

Tadokoro

Kotari

Ohtaka

et al. 2016

Elect Comm in Japan

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SUMMARY When a fault arc occurs in oil‐filled electric power equipment such as transformers in transmission and distribution systems, it generates a flammable gas and a dynamic pressure rise that may trigger an explosion. The purpose of this fundamental study is to investigate the effects of the arc under electrical insulation oil on pressure rises in a closed vessel containing air and oil. In particular, this paper is intended to investigate the relationship between the pressure rises and the generated bubble behavior by the arc. The pressure rises in both air and oil are measured under experimental conditions involving an arc current ranging from 2.3 kA to 8.9 kA, an arc duration of 10 ms or 100 ms. Experimental results show that the behavior of a bubble affects the pressure rises in the air and the oil as low‐frequency pressure oscillation comparatively.

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Section: Introductionmentioning

confidence: 99%

Pressure Rises Due to Arc Under Insulating Oil in Closed Vessel—Relationship between Bubble Behavior and Pressure Rises

Tadokoro

Kotari

Ohtaka

et al. 2016

Elect Comm in Japan

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“…Many studies were conducted so far regarding pressure rise in oil-filled power equipment, mainly, transformers [1]. Besides, there are also recent reports on simulation of withstand pressure and pressure relief devices of transformers [2] and on modeling arc in insulating oil by explosives in water [3]. However, previous studies were focused primarily on relationship between arc energy and steady-state pressure rise, or transient pressure rise specific to equipment provided with pressure relief systems, while much remains unclear about basic characteristics of arcs in insulating oil and related pressure rise phenomena as well as effects exerted on pressure rise by arc occurrence position, equipment design, and so on.…”

Section: Introductionmentioning

confidence: 99%

Pressure Rises Due to Arc under Insulating Oil in Closed Vessel—Pressure Fluctuation of Depth Direction in Oil

Tadokoro

Kotari

Ohtaka

et al. 2017

Electrical Engineering Japan

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When a fault arc occurs in oil-filled electric equipment, it generates a flammable gas and a dynamic pressure rise. In this study, the pressure rises due to the arc are measured in a closed vessel containing air and oil for different arc depths. The pressure rises in air and oil with different depth are measured under experimental conditions involving an arc current 6.6 kA, an arc duration of 100 ms. Experimental results show that the frequency of pressure fluctuation varies with the depth of the arc. Our approximate calculation of the pressure fluctuation with consideration of the oil flux is consistent with the experimental results. C⃝ 2017 Wiley Periodicals, Inc. Electr Eng Jpn, 202(2): 43-53, 2018; Published online in Wiley Online Library (wileyonlinelibrary.com).

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A Preliminary Study on Anti-explosion Performance of UHV Transformer

Chen

Xie

et al. 2021

2021 International Conference on Electrical Materials and Power Equipment (ICEMPE)

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Development of a fluid structure interaction tool for the study and prevention of transformer tank explosions

Cited by 9 publications

References 14 publications

Pressure Rises Due to Arc Under Insulating Oil in Closed Vessel—Relationship between Bubble Behavior and Pressure Rises

Pressure Rises Due to Arc Under Insulating Oil in Closed Vessel—Relationship between Bubble Behavior and Pressure Rises

Pressure Rises Due to Arc under Insulating Oil in Closed Vessel—Pressure Fluctuation of Depth Direction in Oil

A Preliminary Study on Anti-explosion Performance of UHV Transformer

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