Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472)最新文献_第4页

Investigation of possibilities of plasma treatment for dental caries 血浆治疗龋齿可能性的探讨

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1278005

R. Sladek, E. Stoffels, R. Walraven, P.J.A. Tielbeek, R. Koolhoven

引用次数: 4

Optimised high voltage IGBTs for pulsed power applications 为脉冲功率应用优化的高压igbt

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277676

A. Golland, F. Wakeman, G. Li

引用次数: 0

Status of 5 MW inductive storage facility at SOREQ NRC SOREQ核管理委员会5mw感应存储设施的现状

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277747

A. Pokryvailo, I. Ziv, E. Shrivo

{"title":"Status of 5 MW inductive storage facility at SOREQ NRC","authors":"A. Pokryvailo, I. Ziv, E. Shrivo","doi":"10.1109/PPC.2003.1277747","DOIUrl":"https://doi.org/10.1109/PPC.2003.1277747","url":null,"abstract":"A laboratory repetitive inductive storage power supply (IPS) for the ignition of an electrothermal chemical (ETC) gun is described. Eight years ago, it was designed for delivering to an ET load the energy of 500 kJ in a shot. This paper gives an updated status of this facility. The IPS is battery-based. Originally, the battery had a peak power of 5 MW and was able to charge a cylindrical coil to 700 kJ. The batteries degradation during the years was observed and documented. Fringe fields of Brooks-type coils with and without screens were analyzed. A conclusion is drawn that a screen of reasonable weight cannot reduce the stray field below a susceptibility level of electronic devices that should be shielded individually. A major facility improvement was in the field of switching. A compact hybrid repetitive opening switch (HOS) rated 50 kA, 7 kV was developed. This HOS can be used in long-charge inductive storage systems that look promising for many applications, such as uninterruptible power supplies, driving ET loads, protection of DC circuits, etc. The HOS design and testing is given in detail. The design limitations and trade-offs are discussed. A commercial vacuum circuit breaker serves as the first stage. It provides the high-current carrying capability during the inductor charge. At a desired moment, it is opened, and the current is transferred to the second stage comprising two gate commutated thyristors (GCTs) connected in series; they break the current during several microseconds. A pause of l-2 ms is provided for the vacuum breaker recovery. A novel approach allowing the enhancement of an order of magnitude of the turn-off capability of fully-controlled semiconductor devices was developed. It comprises the inverse current injection into the second stage assisted by a precisely timed gate turn-off. The main benefit of this technique is the reduction of the quantity of the semiconductor devices in the second stage.","PeriodicalId":143385,"journal":{"name":"Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472)","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116375161","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: 4

Nonthermal plasma (NTP) applications to the environment: gaseous electronics and power conditioning 非热等离子体(NTP)在环境中的应用:气体电子和电力调节

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277695

L. Rosocha

引用次数: 1

Investigation of IGBT-devices for pulsed power applications 脉冲功率用igbt器件的研究

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277726

S. Scharnholz, R. Schneider, E. Spahn, A. Welleman, S. Gekenidis

{"title":"Investigation of IGBT-devices for pulsed power applications","authors":"S. Scharnholz, R. Schneider, E. Spahn, A. Welleman, S. Gekenidis","doi":"10.1109/PPC.2003.1277726","DOIUrl":"https://doi.org/10.1109/PPC.2003.1277726","url":null,"abstract":"IGBT-switches from ABB Switzerland have been characterised at ISL with regard to civil and military pulsed power applications. The investigated devices are press-pack IGBT modules with a blocking voltage of 2.5 kV and a continuous current rating of 2 kA. Using capacitive energy storage systems the IGBT was investigated as closing switch with the objective of generating short current pulses with high amplitudes, as they are e. g. required for driving a high power microwave (HPM) source. Inductive energy storage systems have a higher energy density than capacitive systems. The drawback, however, is the need of opening switches in order to commutate the current into the load. For such a system we investigated the turn-off behaviour of the IGBT. The experiments show that the IGBT modules used are capable to generate 12 kA pulses with switching times below one microsecond. Investigating the IGBT as opening switch in an inductive storage circuit has proved its superiority over comparable switching configurations using power MOSFETs. Comparing IGBT and MOSFET configurations with the same total die size and same on-state resistance and therefore same price allows to gain advantage from a much higher commutation voltage in case of the IGBT, which in turn allows for a much shorter commutation time.","PeriodicalId":143385,"journal":{"name":"Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124815779","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: 28

Low wire count loads 低线数负载

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277656

R. Terry, J. Apruzese

引用次数: 0

Circuit modeling for ZR ZR的电路建模

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277960

C. Harjes, J. Elizondo, K. Struve, L. Bennett, D. Johnson, B. Shoup

{"title":"Circuit modeling for ZR","authors":"C. Harjes, J. Elizondo, K. Struve, L. Bennett, D. Johnson, B. Shoup","doi":"10.1109/PPC.2003.1277960","DOIUrl":"https://doi.org/10.1109/PPC.2003.1277960","url":null,"abstract":"In the Z Refurbishment (ZR) project, the capabilities of the Z accelerator is expanded [D. H. McDaniel et al., June 2002]. Most of the pulsed power hardware is being redesigned for operation with higher reliability, a greater shot rate, and increased pulse energy. The topology of the ZR pulsed power circuit is similar to that of Z with a few significant changes. The initial baseline circuit design for ZR was developed using Screamer [M. L. Kiefer and M. M. Widner, 1985] which has been the primary pulsed power circuit design tool employed at SNL for years. Screamer is, however, limited in the topologies it can simulate. For ZR there are several circuit features which cannot be modeled adequately in Screamer. The most significant of these is the need to allow for a high degree of independence in module firing times so that a prescribed temporally shaped pulse can be generated for isentropic compression experiments (ICE) [3]. For this reason, the baseline circuit design for ZR is now being developed using Bertha [W. N. Weseloh, 1989]. Bertha is a NRL developed T-line circuit simulation code that is not topology limited and runs fast. In this paper, a discussion of the circuit modeling strategy for the ZR project along with a discussion of the current status of the ZR baseline circuit model is presented.","PeriodicalId":143385,"journal":{"name":"Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127220039","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: 8

Electrode-expansion MHD in a plasma-filled rod pinch 等离子体填充棒夹紧中的电极膨胀MHD

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277761

D. Mosher, J. Schumer, B. Weber, D. Ponce

引用次数: 4

Computational method for the dispersion relation of a pulsed Cerenkov free electron maser system 脉冲切伦科夫自由电子脉泽系统色散关系的计算方法

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277923

C. Petichakis, R. A. Stuart, A. Al-Shamma'a, J. Lucas

引用次数: 0

Investigation of pulse power thyristor thermal variations 脉冲功率晶闸管热变化的研究

Digest of Technical Papers. PPC-2003. 14th IEEE International Pulsed Power Conference (IEEE Cat. No.03CH37472) Pub Date : 2003-06-15 DOI: 10.1109/PPC.2003.1277679

M. G. Hoffman, J. Dickens, M. Giesselmann

引用次数: 1