Development of solid-state induction modulators for high PRF accelerators

H. Kirbie, S. Hawkins, B. Hickman, B. Lee, M. Newton, C. Ollis, C. Brooksby, D. Gilbert, D. Longinotti, E. Eubank
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引用次数: 23

Abstract

Lawrence Livermore National Laboratory (LLNL) and EG&G Energy Measurements are developing a new solid-state power system for two proposed accelerators. One of the accelerators is a circular arrangement of induction cells called a recirculator for accelerating heavy ions for inertial fusion, the other is a linear induction accelerator for electron beams called the Advanced Radiographic Machine (ARM). The need for complex pulse agility in these accelerators led us to examine solid-state switching components that have an on/off capability. The intrinsic speed of solid-state switching satisfies our high PRF requirements, while the on/off switching action of some semiconductor devices enables us to select an arbitrary pulse width. To accommodate these requirements, we selected field effect transistors (FETs) as the preferred switching elements. The same FET switching technology applies to both accelerators due to their similar pulse requirements. For our research, two full-scale prototypes were built-a 5 kV induction recirculator cell and a single 15 kV induction modulator for the ARM accelerator. We discuss the general network features that are common to both machines, followed by performance and modeling data.
高PRF加速器用固态感应调制器的研制
劳伦斯利弗莫尔国家实验室(LLNL)和EG&G能源测量公司正在为两个拟议中的加速器开发一种新的固态动力系统。其中一个加速器是一种环形感应单元,称为再循环器,用于加速惯性聚变的重离子,另一个是电子束的线性感应加速器,称为高级放射成像机(ARM)。这些加速器对复杂脉冲敏捷性的需求促使我们研究具有开/关功能的固态开关组件。固态开关的固有速度满足了我们对高PRF的要求,而一些半导体器件的开/关开关作用使我们能够选择任意的脉冲宽度。为了适应这些要求,我们选择场效应晶体管(fet)作为首选开关元件。相同的FET开关技术适用于两种加速器,因为它们的脉冲要求相似。在我们的研究中,我们建造了两个全尺寸原型,一个5 kV的感应再循环单元和一个15 kV的感应调制器,用于ARM加速器。我们将讨论这两台机器共有的一般网络特性,然后讨论性能和建模数据。
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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