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Twenty-First International Power Modulator Symposium, Conference最新文献

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Sampson - An 800kV, 1400A,5uS, 100 PPS Line Modulator For High Power Microwave Source R & D Sampson - 800kV, 1400A,5uS, 100pps线路调制器用于高功率微波源的研发
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597045
D. Loree, J. O'Loughlin, F. Agee
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引用次数: 0
Life Time Testing Of High Power Ignitrons 大功率点火器寿命测试
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597086
M. Giesselmann
Introduction Life time tests are being performed on high power, Size E ignitrons for possible use in the Nova upgrade facility with is currently designed by Sandia and Livermore National Laboratories. The testing is done up to the 300 kA level with a charge transfer of 200 C. The bank used in the experiments is a large electrolytic bank containing over 4000 electrolytic capacitors. The maximum charging voltage of the bank is limited to 4000V; giving 1000 volts margin to the absolute maximum bank voltage of 5000V. Two ignitrons are connected in series to enable High-Pot testing of the tubes after recovery with a low power, H V supply without the need to disconnect any high current connections. Tests were performed on a NL-9000A and a NL-1057 tube, both made by Richardson Electronics. The current as well as the differential voltage drops across both tubes were recorded along with the charging voltage and the differential voltage drops at peak current (dI/dt=O). The forward voltage drop of the NL-1057 was about twice as high than the voltage drop across the NL-9OOOA. Detailed waveforms and data evaluations are shown. The ignitor resistance, which is a barometer for the life expectancy of a tube, was also recorded frequently. In addition, new PSpice circuit models for the ignitrons and the test stand were developed using many of the advanced features of PSpice 6.0 for Windows. Many pulsed power applications that use capacitor banks for energy storage need a reliable closing switch to release the energy into the load. Up to the present day, those switches are a focus of many developments and concerns. In the latter part of the 80's and the beginning of the ~ O ' S , ignitrons have been redesigned for high peak current, high charge transfer capability1 >2, The new high power Ignitrons like the NL_9000A, made by Richardson Electronics, and the BK-1002, made by EEV, have inverted, cup-style anodes with drastically reduced Anode-Cathode spacing as well as center ignitors. The test program reported here was conducted in order to evaluate the performance and lifetime of these ignitrons for pulsed power applications.
目前正在对大功率E型点火电子灯进行寿命测试,以用于目前由桑迪亚和利弗莫尔国家实验室设计的Nova升级设施。测试在300 kA电平下完成,电荷转移为200℃。实验中使用的银行是一个包含超过4000个电解电容器的大型电解银行。充电宝最大充电电压限制为4000V;给绝对最大电压5000V 1000伏余量。两个点火管串联连接,以便在恢复后使用低功率高压电源进行高罐测试,而无需断开任何大电流连接。在理查森电子公司生产的NL-9000A和NL-1057电子管上进行了测试。记录了两管之间的电流和差压降,以及充电电压和峰值电流(dI/dt=O)时的差压降。NL-1057的正向压降约为NL-9OOOA的两倍。给出了详细的波形和数据评价。点火器电阻,这是一个晴雨表的预期寿命的管,也经常记录。此外,采用Windows版PSpice 6.0的许多先进特性,开发了用于点火器和测试台的新PSpice电路模型。许多使用电容器组进行能量存储的脉冲功率应用需要可靠的闭合开关将能量释放到负载中。到目前为止,这些开关是许多发展和关注的焦点。在80年代后期和开始~ O ' S,点火管已经重新设计了高峰值电流,高电荷转移能力1 >2,新的大功率点火管像NL_9000A,由理查森电子公司制造,和BK-1002,由EEV制造,倒置,杯式阳极大幅减少阳极-阴极间距以及中心点火器。这里报告的测试程序是为了评估脉冲功率应用中这些点火器的性能和寿命而进行的。
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引用次数: 0
A Compact High Voltage Pulse Generator 紧凑型高压脉冲发生器
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597042
G.J. Rohwein, S. R. Babcock
A compact, easily transportable, pulse generator has been developed for a variety of applications that require a pulse duration in the range of 1 {mu} sec., voltages from 150 to 300 KV and current levels from 2,000 to 3,000 amps. The generator has a simple cylindrical configuration and modular construction to facilitate assembly and service. The generator may be operated single-pulse or repetitively at pulse repetition rates to 50 Hz in a burst mode.
一种紧凑,易于运输的脉冲发生器已开发用于各种应用,这些应用需要脉冲持续时间在1 μ s范围内,电压从150到300 KV,电流水平从2000到3000安培。发电机具有简单的圆柱形结构和模块化结构,便于组装和维修。发生器可以单脉冲或以脉冲重复率至50hz以突发模式重复操作。
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引用次数: 5
A Hybrid Anode Reactor For The SLAC Modulator 用于SLAC调制器的混合阳极反应器
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597062
A. Donaldson
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引用次数: 2
A Sealed High Pressure Two Electrode Spark Gap For High Repetition Rate High Voltage Fast Swtiching 用于高重复率高压快速开关的密封高压双电极火花隙
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597102
S. Bower, K. Cook, S. Dinsdale, F. Jones, K. Trafford
There is considerable interest at present in extending the high repetition rate capabilities of high voltage spark gaps whilst maintaining fast switching times. Devices with these capabilities would be suitable for applications such as the pulse sharpening of very high voltage microsecond risetime pulses. The results of tests on a number of two electrode compact sealed spark gaps are described. These devices are stand-alone components of envelope size, 60 mm diamter and 45 mm length. The devices were tested using half sine pulses of 500 ns risetime at repetition rates of up to 1 kHz. Successful operation at 120 kV, 1 kHz was achieved whilst maintaining a measured collapse time of 2 ns. is believed that this time was limited by the inductance of the test housing, since previous tests on lower voltage devices of similar gap spacing showed the collapse time to be less than 500 ps. Measurements of breakdown voltage and jitter at increasing repetition rates showed that a two stage recovery of voltage hold off capability occurred in agreement with other reported results. It
目前,在保持快速开关时间的同时,对扩展高压火花间隙的高重复率能力有相当大的兴趣。具有这些功能的器件将适用于诸如非常高电压微秒上升时间脉冲的脉冲锐化等应用。本文介绍了对多个双电极密实密封火花隙的试验结果。这些装置是独立的组件,直径60毫米,长度45毫米。这些装置使用上升时间为500纳秒的半正弦脉冲进行测试,重复频率高达1 kHz。在120千伏,1千赫的条件下成功运行,同时保持了2 ns的测量崩溃时间。据信,这一时间受到测试外壳电感的限制,因为之前在类似间隙间隔的较低电压设备上进行的测试表明,崩溃时间小于500 ps。在不断增加的重复频率下,对击穿电压和抖动的测量表明,电压保持能力的两阶段恢复与其他报告的结果一致。它
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引用次数: 1
A Wideband EMP Test System 宽带电磁脉冲测试系统
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597044
G.J. Rohwein, J. Aurand, C. Frost, L. D. Roose, S. R. Babcock
A wideband EMP tester consisting of a high voltage modulator, transmission line, high voltage peaking switch, and a TEM test cell has been developed that delivers repetitive high frequency EMP pulses to an RF-sealed double-test volume of about 1 ft.{sup 3}. The pulse shape is rectangular, has a duration of 4 ns and a risetime of 120 ps. The system can be operated at pulse repetition rates up to 1500 Hz and electric field levels up to 125 kV/m. Both voltage and pulse rate are continuously adjustable over these ranges may be operated in any combination.
一种宽带EMP测试仪由高压调制器、传输线、高压峰值开关和TEM测试单元组成,可将重复的高频EMP脉冲发送到约1英尺的rf密封双测试体积。脉冲形状为矩形,持续时间为4 ns,上升时间为120 ps。该系统可以在高达1500 Hz的脉冲重复率和高达125 kV/m的电场水平下运行。电压和脉冲率都可以在这些范围内连续调节,可以在任何组合中操作。
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引用次数: 1
100 Hz, 5 To 40kV Triggered Spark Gap For Medium Power Modulators 100赫兹,5至40kV触发火花间隙中功率调制器
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597099
D. Bhasavanich, R. Shaw, S. Hitchcock, P. Creely
A trigatron spark gap, T-150, rated at 300 kA for a single shot, has been evaluated for repetition rate applications towards 100 Hz at reduced currents. Switching voltage range was varied from 10 to 40 kV via gap-pressure and gas flow settings. Its trigger generator, producing 8-20 kV pulses, is solid-state based and fiber optically linked for electrical isolation. Trigger energy has been minimized to prolong the overall switch life, drawing input power of <75 W at up to 100 Hz. Demonstrated repetition rate, lifetime, and prefire performance indicated the use of the switch as an alternative to ignitrons or thyratrons in medium power modulators. Introduction Physics International (PI) has fielded a number of single-pulse closing switches172 for high energy capacitor banks to drive electric launchers.3-5 To reduce size and weight of the switch, add a repetitive firing capability, and minimize trigger power, a trigatron gas switch, T-150, has been developed along with the TG-10 trigger generator.6 In this paper, we report on initial results in repetitive firing of the switch at reduced currents. Figure 1 shows a photograph of the switch-trigger package. The highly compact TG1 OB trigger generator is solid-state based and battery powered, producing 20 kV open circuit output voltage. The generator employs fiber-optic isolation to ensure safe, reliable operation in a noisy environment. An ac-powered version (TG-1292R in Figure 1) is customized for increased power, higher repetition rate applications. Trigger energy is minimized to limit the trigger power. The generator draws <75 W at up to 100 Hz. The switch-trigger package can be controlled via fiber optic links, allowing their use in a "floating" configuration in modulator or capacitor bank circuits. T-I50 TG-100 TG-1292R Figure 1. Photograph of T-150 spark gap, batteryoperated TG-lOB, and enhanced ac-powered TG-1292R trigger generator. Single pulse performance of the T-150 lies between those for the high charge transfer spark gaps (namely, PI's two-electrode, seriesinjected trigger switches Table 1-A) and high voltage mid-plane trigger switches (see PI T-508 Table 1-C). TG-10 is distinguishable from other trigger generators in its compactness and low power requirement even at high repetition rates. Table 1. T-150 switch's single pulse ratings relative to electric gun switches (A), Marx switches (C), and ignitrons. A . B . C . Series Injection Trigatron MidIgnitron Gas Switch Plane Trigger Switch ST-4198 ST-3OOA T-150 T-508 "C"-"D" 540 120 50-200 Transfer (C) Integral (MJ/R) Action 135 0.2 T150/TG-10 performance is comparable to size "D" ignitrons, suitable for coil gun drivers or other medium power modulators. The switch and the TG-1292R generator has recently been used as an output switch for the 10 Hz, 16 kJ/s pulser intended for food pasteurization? T-150 Demonstrated Performance T-150 handles currents to 300 kA and transfers 120 C in a single shot with no damage. Operating parameters for the T-1
三管火花隙T-150,单次射击额定为300 kA,已在低电流下100 Hz的重复率应用中进行了评估。开关电压范围根据间隙压力和气体流量设置从10到40千伏不等。它的触发发生器,产生8-20千伏脉冲,是固态和光纤连接的电气隔离。触发能量已被最小化,以延长整体开关寿命,在高达100hz的输入功率< 75w。演示的重复率,寿命和预燃性能表明使用开关作为中功率调制器中点火器或闸流管的替代方案。物理国际(PI)已经部署了许多单脉冲闭合开关,用于高能电容器组驱动电动发射器。为了减少开关的尺寸和重量,增加重复射击能力,并尽量减少触发功率,与TG-10触发发电机一起开发了一种trigatron气体开关T-150在本文中,我们报告了在减小电流下重复触发开关的初步结果。图1显示了开关触发器包的照片。高度紧凑的TG1 OB触发发生器是基于固态和电池供电,产生20 kV开路输出电压。发电机采用光纤隔离,确保在嘈杂环境下安全可靠地运行。交流供电版本(图1中的TG-1292R)是为更高功率、更高重复率的应用程序定制的。触发能量被最小化以限制触发功率。发电机在高达100hz时的功耗< 75w。开关触发包可以通过光纤链路控制,允许它们在调制器或电容器组电路中的“浮动”配置中使用。T-I50 TG-100 TG-1292RT-150火花间隙,电池操作的TG-lOB和增强型交流供电TG-1292R触发发电机的照片。T-150的单脉冲性能介于高电荷转移火花间隙(即PI的双电极,串联注入触发开关表1-A)和高压中层触发开关(见PI T-508表1-C)之间。TG-10是区别于其他触发器发电机在其紧凑性和低功率要求,即使在高重复率。表1。T-150开关相对于电子枪开关(A)、马克思开关(C)和点火器的单脉冲额定值。一个。B。C。系列喷射Trigatron MidIgnitron气体开关平面触发开关ST-4198 ST-3OOA T-150 T-508“C”-“D”540 120 50-200 Transfer (C) Integral (MJ/R) Action 135 0.2 T150/TG-10性能堪比尺寸为“D”的点火器,适用于线圈枪驱动器或其他中等功率调制器。该开关和TG-1292R发生器最近被用作用于食品巴氏杀菌的10 Hz, 16 kJ/s脉冲发生器的输出开关。T-150演示性能T-150可处理300千卡的电流,并在一次射击中传输120摄氏度,没有损坏。T-150的运行参数如表2所示。迄今为止,由于电源限制,重复率性能仅在10 Hz和超过9 kA的峰值电流,3 ps脉冲宽度(FWHM)下得到证明。在20 Hz和9 kA下进行了短脉冲。最终的能力尚未建立。表2。T-150演示了操作参数。工作电压4QkV演示峰值电流重复率演示电荷转移120℃/次动作(单次射击)16 MJIR尺寸和重量300 kA(单次射击)10 Hz, 9 kA pe 3 ps 3 Hz, 15 kA pe 1 3 ps开关气体空气8英寸。直径,11英寸。高;20磅
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引用次数: 5
Computer Control Of High Power Klystron Modulators 大功率速调管调制器的计算机控制
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597075
B. L. Thomas, A. Auyeung, R. Ness, Dia Soubra, J. Murphy
Two computer control systems are described for providing remote monitor and control of high power klystron modulators. The first system utilizes a Macintosh I1 FX control computer with National Instruments LabView software to control a number of devices. These include a GPIB CAMAC crate controller, CAMAC analog and digital I/O modules, a digital delay generator, and an oscilloscope. A top level software screen allows the operator to view the overall status of the modulator and control high level operator functions. Status indicators inform the operator of general modulator conditions (whether interlock chains are satisfied, etc.). Lower level screens can then be brought up which show individual interlock status, allow control of the digital delay generator, and allow setup and acquisition of waveforms from the digital oscilloscope. The second computer control system represents a more complex system in which more functions are monitored and controlled by the computer. Up to 150 signals are controlled with this system, which is based upon the use of a 486 type computer with National Instruments LabWindows software to control a set of VME VO modules. As with the previously described controller, a top level computer display screen shows the operator the high level modulator functions, including general interlock status, high voltage power supply levels, and klystron support equipment status. Additional sub-screens can be brought up to turn on and adjust all of the modulator sub-systems, including the high voltage power supplies, pulse transformer bias power supply, thyratron auxiliaries, klystron magnet power supplies, klystron heater power supply, klystron vac-ion pump power supplies. Other features include software and hardware debugging routines and automatic data logging. Value 600 kV 870 A 14 ks 10 us
描述了两种计算机控制系统,用于提供高功率速调管调制器的远程监视和控制。第一个系统利用一台Macintosh I1 FX控制计算机和国家仪器公司的LabView软件来控制许多设备。这些包括GPIB CAMAC板条箱控制器,CAMAC模拟和数字I/O模块,数字延迟发生器和示波器。顶级软件屏幕允许操作员查看调制器的整体状态并控制高级操作员功能。状态指示灯告诉操作员调制器的一般情况(是否满足联锁链等)。低电平屏幕可以显示单个联锁状态,允许控制数字延迟发生器,并允许从数字示波器设置和采集波形。第二种计算机控制系统是一个更复杂的系统,其中有更多的功能由计算机监视和控制。该系统采用美国国家仪器公司(National Instruments)的LabWindows软件,利用486型计算机控制一组VME VO模块,最多可控制150个信号。与前面描述的控制器一样,顶级计算机显示屏向操作员显示高电平调制器功能,包括一般联锁状态,高压电源水平和速调管支持设备状态。额外的子屏幕可以打开和调整所有调制器子系统,包括高压电源,脉冲变压器偏置电源,闸流管辅助电源,速调管磁铁电源,速调管加热器电源,速调管真空离子泵电源。其他功能包括软件和硬件调试例程和自动数据记录。值600kv 870a 14ks 10us
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引用次数: 1
ALCOR Transmitter - Final Power Amplifier Replacement Program ALCOR发射机-最终功率放大器更换程序
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597073
P. Brown, R. Wilcox
{"title":"ALCOR Transmitter - Final Power Amplifier Replacement Program","authors":"P. Brown, R. Wilcox","doi":"10.1109/MODSYM.1994.597073","DOIUrl":"https://doi.org/10.1109/MODSYM.1994.597073","url":null,"abstract":"","PeriodicalId":330796,"journal":{"name":"Twenty-First International Power Modulator Symposium, Conference","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126541695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Performance Enhancement Of The Phillips Laboratory Rep-rate Pulser With A Triggered Output Switch 具有触发输出开关的菲利普斯实验室再现率脉冲发生器的性能增强
Pub Date : 1994-06-27 DOI: 10.1109/MODSYM.1994.597041
S.E. Calico, M. Scott
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引用次数: 6
期刊
Twenty-First International Power Modulator Symposium, Conference
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