Operating characteristics of a high-current demountable Cs-Ba tacitron

Digest of Technical Papers. Tenth IEEE International Pulsed Power Conference Pub Date : 1995-07-03 DOI:10.1109/PPC.1995.596520

G.B. Masten, I.N. Djachiachvili, D. B. Morris, J. Gahl

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引用次数: 3

Abstract

Tacitrons are triode gas-discharge tubes, similar in construction to thyratrons. The primary functional difference between a tacitron and a thyratron is that the tacitron is designed to be completely grid-controlled, whereas a thyratron has grid control only over ignition. Demountable cesium-barium (Cs-Ba) tacitrons have exhibited very low forward voltage drops in the range of a few volts, hold-off voltages greater than 200 V, and average conduction current densities greater than 10 A/cm/sup 2/. These characteristics yield an average power switching density in the order of 10/sup 3/ W/cm/sup 2/ approaching 95% peak switching efficiency. This parameter regime places the Cs-Ba tacitron in the range of conventional solid-state devices, with the advantage that the tacitron should reliably operate in extremes of temperature and radiation. The high-current tacitron has been designed to modulate average currents in the range of 100 to 200 A, with the intent of demonstrating continuous power conditioning capability in the kilowatt range.

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大电流可拆卸铯钡电子管的工作特性

瞬变电子管是三极管气体放电管，结构类似于闸流管。静控管和闸流管的主要功能区别在于静控管被设计为完全栅格控制，而闸流管只有在点火时才有栅格控制。可拆卸铯钡(Cs-Ba)静电加速器的正向电压降非常低，只有几伏，保持电压大于200 V，平均传导电流密度大于10 a /cm/sup /。这些特性产生的平均功率开关密度为10/sup 3/ W/cm/sup 2/，接近95%的峰值开关效率。该参数体系使Cs-Ba铯原子介电子处于传统固态器件的范围内，其优点是铯原子介电子可以在极端温度和辐射下可靠地工作。大电流静电加速器被设计为在100到200 A的范围内调制平均电流，目的是展示在千瓦范围内的连续功率调节能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Digest of Technical Papers. Tenth IEEE International Pulsed Power Conference

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