Instability phenomenon of high-frequency vacuum arc discharge associated with anode activity
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DOI: 10.1063/1.4979916
Abstract: Instability phenomena of high-frequency vacuum arcs with an ∼100-kHz current waveform and active anodes were observed by using high-speed photography and optical emission spectroscopy and analyzed with a conventional theoretical model. Our experimental and theoretical… read more here.
Keywords: high frequency; instability phenomena; frequency vacuum; vacuum ... See more keywords
Contact ablation of intermediate-frequency vacuum circuit breakers considering arc dynamic characteristics and polarity reversal mechanisms
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DOI: 10.1088/1361-6463/ae159d
Abstract: A simulation method for contact ablation in intermediate-frequency vacuum circuit breakers used in aviation power systems (360–800 Hz) is proposed. In contrast to existing studies which are primarily focused on power-frequency conditions, both arc dynamic… read more here.
Keywords: ablation intermediate; ablation; contact ablation; frequency vacuum ... See more keywords
Characteristics of Intermediate Frequency Vacuum Arc Under Different Breaking Speeds
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DOI: 10.1109/tps.2024.3376412
Abstract: This article investigates the arcing characteristics of the intermediate frequency vacuum arc under different breaking speed conditions. The experiment uses a specially designed intermediate frequency vacuum arc test platform with adjustable breaking speed. The breaking… read more here.
Keywords: vacuum arc; breaking speed; frequency vacuum; intermediate frequency ... See more keywords
Study on Intermediate-Frequency Vacuum Arc Recovery Characteristics of Curved Contact With Different Bending Amplitudes
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DOI: 10.1109/tps.2024.3487347
Abstract: Modern aircraft use 360–800 Hz variable-frequency power systems, and the increased frequency makes it more difficult to interrupt the arc. Traditional contacts are difficult to apply due to magnetic hysteresis effects. Curved contacts utilize the… read more here.
Keywords: different bending; bending amplitudes; frequency vacuum; intermediate frequency ... See more keywords