Добірка наукової літератури з теми "Solid State Crowbar (SSC)"

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Статті в журналах з теми "Solid State Crowbar (SSC)"

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Yellamraju, Sham Sunder Srinivas, and Sanjay V. Kulkarni. "Performance and modelling of 70kVdc power supply with solid-state crowbar." Fusion Engineering and Design 88, no. 6-8 (October 2013): 868–71. http://dx.doi.org/10.1016/j.fusengdes.2013.02.073.

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Tomida, Hiroshi, Hiroshi Tsunemi, Masashi Kimura, Hiroki Kitayama, Masaru Matsuoka, Shiro Ueno, Kazuyoshi Kawasaki, et al. "Solid-State Slit Camera (SSC) Aboard MAXI." Publications of the Astronomical Society of Japan 63, no. 2 (April 25, 2011): 397–405. http://dx.doi.org/10.1093/pasj/63.2.397.

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Blidi, Slim, Kim Granholm, Tomasz Sokalski, Zekra Mousavi, Andrzej Lewenstam, Ivo Leito, and Johan Bobacka. "Long-Time Evaluation of Solid-State Composite Reference Electrodes." Membranes 12, no. 6 (May 30, 2022): 569. http://dx.doi.org/10.3390/membranes12060569.

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In this study, the performance and long-time evaluation of solid-state composite (SSC) reference electrodes were investigated. The stability of all the SSC reference electrodes was continuously monitored by using potentiometry and electrochemical impedance spectroscopy methods over a period of several months. A multi-solution protocol was used to study the influence of the ionic strength of the sample solution, ion charge, and mobility, and the sample pH values on the performance of the reference electrodes. The SSC reference electrodes were used in the calibration of commercial indicator electrodes for different ions at different temperatures. The concentrations of K+, Na+, Ca2+, and Cl- ions and pH values were measured in river water samples at different temperatures using the SSC reference electrodes. The obtained results for the same samples were compared with the results given by an independent laboratory specialized in routine water analyses. The agreement between the results was very good and even better than the case where commercial reference electrodes were used. Our study showed that the SSC reference electrodes exhibit good long-term stability and excellent performance, both in the calibrations and analyses of environmental samples.
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Drábik, Milan. "11th Conference on Solid State Chemistry (SSC 2014)." Pure and Applied Chemistry 87, no. 3 (March 1, 2015): 219. http://dx.doi.org/10.1515/pac-2015-5001.

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Klementová, Mariana. "12th Conference on Solid State Chemistry (SSC-2016)." Pure and Applied Chemistry 89, no. 4 (April 1, 2017): 403–4. http://dx.doi.org/10.1515/pac-2017-0310.

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Wágner, Tomáš. "13th Conference on Solid State Chemistry (SSC-2018)." Pure and Applied Chemistry 91, no. 11 (November 26, 2019): 1719–20. http://dx.doi.org/10.1515/pac-2019-0905.

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7

Du, Haiyan, Zemin Wu, Yuyu Xu, Shaoze Liu, and Huimin Yang. "Poly(3,4-ethylenedioxythiophene) Based Solid-State Polymer Supercapacitor with Ionic Liquid Gel Polymer Electrolyte." Polymers 12, no. 2 (February 2, 2020): 297. http://dx.doi.org/10.3390/polym12020297.

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In this work, solid-state polymer supercapacitor (SSC) was assembled using poly(3,4-ethylenedioxythiophene/carbon paper (PEDOT/CP) as an electrode and ionic liquid (1-butyl-3-methylimidazole tetrafluoroborate)/polyvinyl alcohol/sulfuric acid (IL/PVA/H2SO4) as a gel polymer electrolyte (GPE). The GPE was treated through freezing–thawing (F/T) cycles to improve the electrochemical properties of PEDOT SSC. Cyclic voltammetry (CV), galvanostatic charge–discharge measurements (GCD) and electrochemical impedance spectroscopy (EIS) techniques and conductivity were carried out to study the electrochemical performance. The results showed that the SSC based on ionic liquid GPE (SSC-IL/PVA/H2SO4) has a higher specific capacitance (with the value of 86.81 F/g at 1 mA/cm2) than the SSC-PVA/H2SO4.The number of F/T cycles has a great effect on the electrochemical performance of the device. The energy density of the SSC treated with 3 F/T cycles was significantly improved, reaching 176.90 Wh/kg. Compared with the traditional electrolytes, IL GPE has the advantages of high ionic conductivity, less volatility, non-flammability and wider potential window. Moreover, the IL GPE has excellent elastic recovery and self-healing performance, leading to its great potential applications in flexible or smart energy storage equipment.
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Dong, Shoulong, Chenguo Yao, Nan Yang, Tianyan Luo, Yan Zhou, and Changjin Wang. "Solid-State Nanosecond-Pulse Plasma Jet Apparatus Based on Marx Structure With Crowbar Switches." IEEE Transactions on Plasma Science 44, no. 12 (December 2016): 3353–60. http://dx.doi.org/10.1109/tps.2016.2627141.

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Nursa'adah, E., L. Liliasari, A. Mudzakir, and H. D. Barke. "The Model of Educational Reconstruction: Students’ Conceptual Knowledge on Solid State Chemistry Domain." Jurnal Pendidikan IPA Indonesia 7, no. 2 (July 16, 2018): 193–203. http://dx.doi.org/10.15294/jpii.v7i2.14297.

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Solid state chemistry (SSC) concept is abstract yet makes it difficult for students. Considering students’ and scientist conception in designing a learning sequence, it is important to make scientific knowledge to be comprehensible for students. Model of Educational Reconstruction (MER) was adopted to define learning in order to develop students’ Conceptual Knowledge (CK) of the SSC concept. A sequence of learning activities was designed based on the MER. The purpose of this study was to examine the use of MER in developing students’ CK. One group pre- and post-test experimental design employed in this study. CK on SSC structured essay test consisting of 26 items were developed to measure students’ CK before and after their involvement in learning. Paired sample t-tests were employed and the results showed significant differences in the overall domain-knowledge (p < .001). In detail, students’ CK categorized into complete (C), incomplete (IC), misconception (M), incorrect (I), and no answer (NA). After the intervention, the number of students that answered correctly increased (57,4% complete and 21% incomplete). This study showed that MER was an effective learning design to develop students’ conceptual knowledge of chemistry concepts.
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Mishra, Shanu, Sweta Kumari, Jaidev Harjwani, and Ashish Kumar Mishra. "Polymer Derived Carbon Nanostructure Electrodes for Solid-State Supercapacitor." ECS Journal of Solid State Science and Technology 11, no. 4 (April 1, 2022): 043003. http://dx.doi.org/10.1149/2162-8777/ac62ed.

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To resolve the energy storage challenges in portable electronic devices, flexible and solid-state supercapacitor are need of the hour. These devices are appealing as replacements to conventional lithium-ion batteries due to their high power density, long cycle life, chemical stability, and safety. We have synthesized sp2 hybridized porous carbon nanostructure using poly-paraphenylenediamine (PpPD) as a polymer and activated the prepared material via chemical activation for supercapacitor application. To the best of our knowledge, this is the first report on the demonstration of poly-paraphenylenediamine (PpPD) derived N-enriched porous activated carbon (PNAC) electrode with PVA/H2SO4 electrolyte for solid-state supercapacitor (SSC) device with high energy density and excellent cyclic stability. PNAC electrodes-based SSC electrochemical studies exhibit a high specific capacitance value of 39 F g−1 at 0.2 A g−1 current density. The solid-state supercapacitor attained energy density of 21.66 Wh kg−1 at power density of 199 W kg−1 and 0.2 A g−1 current density. The symmetric solid-state supercapacitor displays an outstanding cyclic stability up to 10,000 galvanostatic charge-discharge (GCD) cycles. High energy density and stability of the prepared device suggests it utility in portable energy storage application.
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Дисертації з теми "Solid State Crowbar (SSC)"

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Joshi, T. G. Subhash. "Power Electronic Technologies for Medium and High Power High Voltage Power Supplies." Thesis, 2017. http://etd.iisc.ac.in/handle/2005/4322.

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The performance of systems used in various high voltage applications depend majorly on the output voltage ripple of High Voltage Power Supplies (HVPS). One of the failure mode of microwave tube (MWT) commonly used in these applications is due to the energy accumulation above the specified limit during fault events due to higher stored energy in HVPS. This demands either a protection for MWT or reduced ripple voltage without increasing the stored energy. This thesis investigates a protection device for MWT that operate with MW power level HVPS, and design method to reduce the output voltage ripple for medium power HVPS. A crowbar is an energy diverting device connected in parallel with the MWT. It protects the tube during fault by providing an alternative path for the ow of energy. Conventional crowbars are built using either mercury or nitrogen gas-based switches. Due to the environmental concern and higher operational cost, the state-of-the-art is to replace these devices with semiconductor devices, referred to as solid state crowbar (SSC). This research, models and designs the subcomponents of an SSC, including: (i) Modelling of fault current, and a fuse wire that is used to emulate a MWT during internal arc (ii) Design of di=dt limiting inductor (iii) Design of static and dynamic voltage balancing network for the thyristor (iv) Mechanical assembly design that ensures meeting the required crowbar electrical characteristics (v) Selection of cost-effective semiconductor device for crowbar application (vi) Thermal modelling of crowbar for pulse power applications (vii) Selection of cable for the pulse power application. In a switched converter topology, the causes of output voltage ripple are: the switch action, input dc ripple, and variations in the load. In this thesis the influence of input voltage ripple on the output dc voltage, called Audio Susceptibility (AS), is discussed. AS of load resonant converters has not been widely studied in literature. This research uses exact discretization method to obtain: (i) The analytical large signal and cyclic steady state model of the Series Resonant Converter (SRC) considering the resonant tank and output filter states (ii) The analytical small signal AS model of the SRC, and resonant gain condition for input ripple (iii) The design of an SRC for superior AS performance (iv) A comparison of SRC design for (a) superior AS performance and (b) maximum power transfer capability (v) A selection of SRC components including the high voltage high frequency magnetics and selection of the MosFET. All the modelling and design method considered in this work has been verified by experimental studies on two 10MW, 10kV peak power SSC and a 10kW, 10kV SRC that has been fabricated as a part of the research.
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Тези доповідей конференцій з теми "Solid State Crowbar (SSC)"

1

Kimura, Masashi, Hiroshi Tsunemi, Hiroshi Tomida, and Haruyoshi Katayama. "Solid state slit camera (SSC) onboard MAXI." In SPIE Astronomical Telescopes + Instrumentation, edited by Monique Arnaud, Stephen S. Murray, and Tadayuki Takahashi. SPIE, 2010. http://dx.doi.org/10.1117/12.856220.

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2

Tooker, J. F., P. Huynh, and R. W. Street. "Solid-state high-voltage crowbar utilizing series-connected thyristors." In 2009 IEEE Pulsed Power Conference (PPC). IEEE, 2009. http://dx.doi.org/10.1109/ppc.2009.5386396.

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Welleman, A., and W. Fleischmann. "High Voltage Solid State Crowbar- and Low Repetition Rate Switches." In 2005 IEEE Pulsed Power Conference. IEEE, 2005. http://dx.doi.org/10.1109/ppc.2005.300789.

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Welleman, A. "High voltage solid state crowbar and low repetition rate switches." In IEE Pulsed Power Symposium 2005. IEE, 2005. http://dx.doi.org/10.1049/ic:20050054.

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Sanders, Howard D., Chris White, Craig Dunham, and Daniel Warnow. "Fast, solid-state crowbar switch to protect high power amplifier tubes." In 2014 IEEE International Power Modulator and High Voltage Conference (IPMHVC). IEEE, 2014. http://dx.doi.org/10.1109/ipmhvc.2014.7287322.

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Yanhui Yang, Muhua Han, Sudong Yu, and ShaoJun Wei. "SSC™ - A new generation of smart controller for mobile storage." In 2007 IEEE Asian Solid-State Circuits Conference. IEEE, 2007. http://dx.doi.org/10.1109/asscc.2007.4425787.

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Chen, Zibo, Chen Chen та Alex Q. Huang. "A 900V/4mΩ/80A Bidirectional SiC DC Solid State Contactor (SSC)". У 2022 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2022. http://dx.doi.org/10.1109/ecce50734.2022.9948033.

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Cooper, Jim, Mark Adams, and John Ardussi. "Solid state high-voltage crowbar device applicable to helmet-mounted display rapid disconnection." In SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, edited by Ronald J. Lewandowski, Wendell Stephens, and Loran A. Haworth. SPIE, 1995. http://dx.doi.org/10.1117/12.209736.

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Rizi, Houshang Salimian, Zibo Chen, Emad Nazerian, Wei Xu, and Alex Q. Huang. "Solid State Condenser (SSC) - A New FACTS Device for Grid Inertia Support." In 2023 IEEE Texas Power and Energy Conference (TPEC). IEEE, 2023. http://dx.doi.org/10.1109/tpec56611.2023.10078567.

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Da Dalt, N., P. Pridnig, and W. Grollitsch. "An all-digital PLL using random modulation for SSC generation in 65nm CMOS." In 2013 IEEE International Solid-State Circuits Conference (ISSCC 2013). IEEE, 2013. http://dx.doi.org/10.1109/isscc.2013.6487722.

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