2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)最新文献

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Experimental impulse response of grounding systems 接地系统脉冲响应实验研究
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518701
M. S. Castro, E. G. da Costa, R. Freire, E. Macedo, M. Rodrigues, L. Gomes
{"title":"Experimental impulse response of grounding systems","authors":"M. S. Castro, E. G. da Costa, R. Freire, E. Macedo, M. Rodrigues, L. Gomes","doi":"10.1109/IPMHVC.2012.6518701","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518701","url":null,"abstract":"This work aims at proposing a methodology to perform an experimental evaluation of energized grounding grid systems, subjected to current impulses. By using an impulse generator (80 kJ/100 kV) impulses were generated 8/20 μs waveforms that were injected into the soil through a copper coated steel electrode. The applied voltage signal and the propagated signal in the soil were acquired by using a digital oscilloscope. The transient impedance and impulse coefficient were used as parameters to verify the grounding grid system performance.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124844757","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: 1
Triggered operation of a corona controlled and stabilized cascade switch 电晕控制和稳定级联开关的触发操作
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518695
M. Given, Long Li, M. Wilson, I. Timoshkin, Tao Wang, S. Macgregor, J. Lehr
{"title":"Triggered operation of a corona controlled and stabilized cascade switch","authors":"M. Given, Long Li, M. Wilson, I. Timoshkin, Tao Wang, S. Macgregor, J. Lehr","doi":"10.1109/IPMHVC.2012.6518695","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518695","url":null,"abstract":"This paper describes further investigations into the behavior of a corona stabilized cascade switch which uses control of the corona emission within the cascade to achieve robust voltage grading across the cascade gaps. The corona emission of the electrodes has been characterised over a range of pressures, as has the breakdown behaviour of the gaps. This has allowed the expected self-break behavior of a two gap cascade to be predicted as a function of gap spacing and pressure. The results have allowed a suitable pressure range to be defined for the operation of the switch. The triggered behavior of breakdown of a single cascade has also been assessed in ambient air for a range of triggering voltages.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125836960","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: 1
Low jitter, high voltage, repetitive laser triggered SF6 gas insulated spark gaps 低抖动,高电压,重复激光触发SF6气体绝缘火花隙
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518696
F. Hegeler, M. Myers, M. Wolford, J. Sethian, A. M. Fielding
{"title":"Low jitter, high voltage, repetitive laser triggered SF6 gas insulated spark gaps","authors":"F. Hegeler, M. Myers, M. Wolford, J. Sethian, A. M. Fielding","doi":"10.1109/IPMHVC.2012.6518696","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518696","url":null,"abstract":"The Electra pulsed power system at the Naval Research Laboratory uses four laser triggered SF6 gas switches to transfer the stored pulse forming line energy to the load. Each switch has a hold-off voltage of more than 1 MV and transfers a charge of up to 10.5 mC per shot, with a switch current peak amplitude of 60 kA. The gas switches were originally constructed with hemispherical shaped electrodes. Continuous operations at repetition rates of up to 5 pulses per second showed increases in the switch jitter and switch misfire rates. A redesign with flat electrodes, which provide a more uniform electric field in the switch gap, showed a decrease in switch jitter.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126999972","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: 1
PSPICE modeling of Silicon Carbide MOSFETS and device parameter extraction 碳化硅mosfet的PSPICE建模及器件参数提取
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518860
A. Bilbao, S. Bayne
{"title":"PSPICE modeling of Silicon Carbide MOSFETS and device parameter extraction","authors":"A. Bilbao, S. Bayne","doi":"10.1109/IPMHVC.2012.6518860","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518860","url":null,"abstract":"The goal of this research is to develop device models for Silicon Carbide (SiC) MOSFETs. Parameters are extracted and used to create PSPICE models that can be utilized for circuit simulation. Two silicon carbide power MOSFETs made available by CREE Semiconductor are considered. The first silicon carbide power MOSFET tested is the CMF20120A64410. This MOSFET features a 1200V drain-to-source breakdown voltage and 30A continuous current capacity. The second device tested is an experimental MOSFET that is still not available in the market as of the date of this paper. The experimental MOSFET features a 1200V drain-to-source breakdown voltage and 80A continuous current capability. Custom made circuits are developed for extracting some of the parameters. In some cases where the tests only require low drain current, a HP B1505A curve tracer is used to aid the development of the model. The effect of temperature over the gate threshold voltage is also investigated. By externally increasing and monitoring the die temperature of the SiC MOSFETs, new device parameters can be extracted and modeled. Once the parameters are extracted they are converted into a PSPICE model. The model is tested and compared to the real device to verify accuracy. This is achieved using custom switching circuits with both inductive and resistive loads and software suites like MATLAB.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114915611","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
Reducing turn-on dissipation of RSD from application 减少RSD在应用过程中的导通损耗
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518683
L. Liang, Quan Wei, Wu Hong, Xueqing Liu, Yuehui Yu
{"title":"Reducing turn-on dissipation of RSD from application","authors":"L. Liang, Quan Wei, Wu Hong, Xueqing Liu, Yuehui Yu","doi":"10.1109/IPMHVC.2012.6518683","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518683","url":null,"abstract":"The work reducing turn-on dissipation of the Reversely Switched Dynistor(RSD) from application done in our group is reported in this paper. By establishing the two-dimensional numerical model of RSD, the extra charge amount in the p and n base region is found to be only about 24.75% of the integral value of current at the end of triggering, so the RSD should be over pre charged in order to reduce the turn-on voltage. A two-step method is in favor of increasing the extra plasma density in the base region. Both the simulation and experimental results show that the turn-on characteristics of RSD are better by the two-step method than the traditional discharge method. There exists a minimum for the turn-on voltage at a certain triggering time, so well controlling the triggering time is another way of reducing turn-on dissipation.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115067246","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: 0
Influence of heat treatment on properties of high-current metallized film capacitors 热处理对大电流金属化薄膜电容器性能的影响
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518866
Z. Kong, Bei Xu, Chunya Tong, Zaifei Luo
{"title":"Influence of heat treatment on properties of high-current metallized film capacitors","authors":"Z. Kong, Bei Xu, Chunya Tong, Zaifei Luo","doi":"10.1109/IPMHVC.2012.6518866","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518866","url":null,"abstract":"Metallized film capacitors are widely used for its high energy density capacity. Pulsed power systems, with its high current applications, rapid discharges, will stress the metallized film capacitors. The manufacturing process of the metallized film capacitors plays a dominant role in its performance. Currently, there are only a few studies on the performance of heat treatment for high-current metallized film capacitors in China and elsewhere. This paper discusses the influence of heat-treatment on the performance of high-current metallized film.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115547411","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
Susceptibility of Electro-Explosive Devices to high pulsed electric fields 电爆炸装置对高脉冲电场的敏感性
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518716
D. Reale, J. Mankowski, J. Dickens
{"title":"Susceptibility of Electro-Explosive Devices to high pulsed electric fields","authors":"D. Reale, J. Mankowski, J. Dickens","doi":"10.1109/IPMHVC.2012.6518716","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518716","url":null,"abstract":"Commercially available Electro-Explosive Devices (EEDs), such as blasting caps, use electrical current to initiate a primary charge. Various detonators including bridge wire, match-type, exploding bridge wire, and slapper. The basic operating principle of the match-type device is to heat the ignition element to the ignition temperature of the primary explosive. The normal operation current profiles, both constant current and pulsed excitation, are well known, as is the ignition temperature. However, as safety and reliability are of great concern, both in the operation and storage of EEDs, the susceptibility of these devices to transient or spurious fields is of interest. The susceptibility of match-type EEDs to high pulsed electric fields is examined. A Finite Element Method (FEM) simulation is performed using COMSOL to determine the induced current in the bridgewire due to applied electric fields and the resulting Joule heating of the wire. Several situations are investigated including the EED in conductive and non-conductive media and leads open or terminated representing operational and storage conditions.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114043586","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: 1
Behavior of HV cable at short circuit and related phenomena 高压电缆的短路行为及相关现象
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518711
A. Pokryvailo, C. Scapellati
{"title":"Behavior of HV cable at short circuit and related phenomena","authors":"A. Pokryvailo, C. Scapellati","doi":"10.1109/IPMHVC.2012.6518711","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518711","url":null,"abstract":"Discharges in many HV loads are unavoidable at voltages close to their operational limits. Such loads may be vacuum gaps, e.g., X-ray tubes. The discharge characteristics depend not only on the state of the load, but, in the case of a vacuum gap, on external circuitry. In cabled connections, the cable length is critical. The latter is mostly overlooked in literature. In this paper, we consider two cases. In the first, regular connection, the cable shield is connected to ground on both sides. Then the processes in the cable can be described by conventional transmission line equations. We show the pattern of traveling waves developing at short-circuit conditions and overvoltages (OV) at the power supply side as a function of the cable parameters. In the second case, the shield at the power supply side is grounded, and at the load side it is floating (open space connection). It is shown that conventional transmission line model is no longer applicable. PSpice equivalent circuits with lumped parameters are developed and analyzed. It is shown that the cable insulation is overstressed at the load side in open-space connections, and at the power supply side in regular connections. Experimental results obtained on low-voltage models are presented.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"230 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121918802","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: 1
Interrupting capability of vacuum interrupter by various parameter 不同参数下真空断流器的断流能力
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518834
C. Gu, Kun-A Lee, Heung-Jin Ju, K. Ko, Cheol-Kyou Lee
{"title":"Interrupting capability of vacuum interrupter by various parameter","authors":"C. Gu, Kun-A Lee, Heung-Jin Ju, K. Ko, Cheol-Kyou Lee","doi":"10.1109/IPMHVC.2012.6518834","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518834","url":null,"abstract":"Vacuum interrupter (VI) has been commercially available in medium voltage switching equipment. Recently, the development of the VIs is focused to reduce the size. Thus, it is necessary to a smaller size contact. In this paper, we investigated the interruption behavior in the real VI with two different contact size of the transverse magnetic field (TMF) type which is widely used for interrupting the arc current in vacuum. Additionally, we investigated the interrupting capability according to the change of opening speed by using contact with the lower interrupting performance obtained from earlier tests. In our experiment, CuCr25 contact was applied, Weil-Dobke voltage superposition circuit was used for a short circuit current test. Through the correlation between the contact size and opening speed, we could design a smaller VI, and it was applied to 17.5kV 25kA vacuum circuit breaker (VCB).","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129832933","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: 0
Analysis of Dielectric Electro Active Polymer actuator and its high voltage driving circuits 介质电活性聚合物致动器及其高压驱动电路分析
2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI: 10.1109/IPMHVC.2012.6518779
P. Thummala, Lina Huang, Zhe Zhang, M. A. E. Andersen
{"title":"Analysis of Dielectric Electro Active Polymer actuator and its high voltage driving circuits","authors":"P. Thummala, Lina Huang, Zhe Zhang, M. A. E. Andersen","doi":"10.1109/IPMHVC.2012.6518779","DOIUrl":"https://doi.org/10.1109/IPMHVC.2012.6518779","url":null,"abstract":"Actuators based on dielectric elastomers have promising applications in artificial muscles, space robotics, mechatronics, micro-air vehicles, pneumatic and electric automation technology, heating valves, loud speakers, tissue engineering, surgical tools, wind turbine flaps, toys, rotary motors, and grippers for material handling, etc. This paper focuses on the application of Dielectric Electro Active Polymer (DEAP) technology as an actuation mechanism for different applications. The DEAP material requires very high voltage (~2.5 kV DC) to fully utilize it as an actuator. In this paper the DEAP actuator is analyzed in detail and the actuator structures, for the wind turbine flap and the heating valve applications are shown. Different high voltage switch mode power supply topologies for driving the DEAP actuator are discussed. The simulation and experimental results are discussed.","PeriodicalId":228441,"journal":{"name":"2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130357203","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: 11
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