Development of compact and light pulsed power generator

开发紧凑型光脉冲发电机

基本信息

批准号：
62880004
负责人：
AKIYAMA Hidenori
金额：
$ 3.65万
依托单位：
Kumamoto University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Developmental Scientific Research
财政年份：
1987
资助国家：
日本
起止时间：
1987 至 1989
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-62880004/
关键词：
Pulsed power Fuse Plasma erosion switch Opening switch Inductive energy storage Fast pulse source Plasma Charged particle beam パルスパワーヒューズプラズマエロージョンスイッチオープニングスイッチ誘導性エネルギー蓄積粒子ビーム

项目摘要

Pulsed power technology is useful in many fields, which are the nuclear fusion, charged particle beams, high power lasers, microwaves, and electromagnetic accelerators. The conventional pulsed power generators, which consist of a Marx bank and a water pulse forming line, are huge machines. The development of compact and light pulsed power generators is necessary to develop applications of the pulsed power. Pulsed power generators by an inductive energy storage system have a possibility of extremely compact and light machines.The compact and light pulsed power generator, ASO-I, by the inductive energy storage system was constructed. The ASO-I has the two-staged opening switch, which consists of fuses in water and the PEOS, and is able to be operated hundreds of times a day. The characteristics of fuses as the opening switch are the long conduction and opening times. On the other hand, the plasma erosion opening switch (PEOS) is the short conduction and opening times. The long conduction and short opening times are achieved by the two-staged opening switches of fuses and the PEOS.The parallel thin copper wires as the first opening switch produce higher induced voltage than single wire of the same cross section with the sum of parallel wires. The slight geometrical differences of each of parallel wires do not influence the output voltage. The output voltage linearly increases with the length of wires in the case of comparatively short length. The dielectric strength of the copper vapor is about 12kV/cm. The voltage multiplication factor is about ten.The PEOS by four plasma guns is used as the second opening switch. The current rise time is improved from 250ns to lons. The resistance of PEOS is 3.5 OMEGA for the open-circuit load. The two-staged opening switches are successfully operated.

脉冲功率技术在许多领域都有用，包括核融合，带电的粒子梁，高功率激光器，微波炉和电磁加速器。传统的脉冲发电机由马克思银行和水脉冲形成线组成，是巨大的机器。紧凑和轻脉冲发电机的发展对于开发脉冲功率的应用是必要的。电感储能系统通过电感储能系统具有非常紧凑和轻型机器的可能性。构建了紧凑和轻的脉冲发电机ASO-I，由电感储能系统构建。 ASO-I具有两阶段的开口开关，该开关由水和PEOS中的保险丝组成，每天可以操作数百次。作为开放开关的保险丝的特征是较长的传导和开放时间。另一方面，等离子体侵蚀开关（PEO）是短传导和开放时间。长时间的传导时间和较短的开放时间是通过保险丝和PEO的两阶段开关开关来实现的。平行的薄铜线，由于第一个开关的诱导电压比与平行线的同一横截面的单线相比，诱导电压更高。每条平行线的微小几何差异不会影响输出电压。在相对较短的情况下，输出电压随电线的长度线性增加。铜蒸气的介电强度约为12kV/cm。电压乘法系数约为十。当前的上升时间从250NS提高到lons。对于开路负载，PEO的电阻为3.5欧米茄。两阶段的打开开关已成功操作。