Academic literature on the topic 'Thyristo voltage converter'

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Journal articles on the topic "Thyristo voltage converter"

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Valentina, S. Goun, S. Anikin Aleksandr, and A. Bakin Aleksey. "Experimental determination of suboptimal parameters for energy-efficient control of an induction motor." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 4 (2020): 2173–82. https://doi.org/10.11591/ijpeds.v11.i4.pp2173-2182.

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The article presents the results of experimental studies of the automatic speed control system (ASCS) of an induction motor (IM). Preliminary experimental studies have shown that the stator current minimum (power factor) is a suboptimal criterion. Optimal in terms of control is the rated power factor. Tests of IM with a thyristor voltage converter (TVC), as a power source, were conducted on an installation created at the department. A mathematical model of ASCS IM corresponding to the experimental setup has been developed. To determine the main functional dependences of IM, such as stator volt
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Adalev, A. S., V. V. Glushakov, R. A. Karzunov, M. V. Pronin, and N. I. Fedorov. "Calculation of RC Circuits, Switching Overvoltage and Energy Loss in Thyristor Converters." LETI Transactions on Electrical Engineering & Computer Science 15, no. 7 (2022): 57–65. http://dx.doi.org/10.32603/2071-8985-2022-15-7-57-65.

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In thyristor converters, abrupt voltage changes occur during switching of valves. The voltages change most significantly when the thyristors are switched off. To limit overvoltage, thyristors are shunted by RC circuits. RC circuits reduce overvoltages, but usually do not eliminate them completely. Switching overvoltages depend on the reverse current in thyristors when they are switched off, on the parameters of the converter circuit and on the parameters of RC circuits. Experimental studies have been carried out and a simulation model with a thyristor rectifier and RC circuits in MatLab-Simuli
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Ogboi, Williams Uwabor, C. Idoniboyeobu D., and L. Braide S. "Performance Analysis of a Direct Current Motor Speed Control using Single-Phase H-Bridge Thyristor Rectifier." Journal of Recent Trends in Electrical Power System 6, no. 2 (2023): 5–13. https://doi.org/10.5281/zenodo.7947278.

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<em>Direct Current (D.C.) motor is an important drive configuration for many applications that is required in automation movements. Thyristors are used to regulate the supply voltage in order to control the speed of the direct current motor. Thyristors have problem of overheating during installation hence, the need for a better cooling means via heat sink which reduces the heat level of the semiconductor for proper performance and good efficiency of the system. The aim of this research is to analyze the performance of a direct current motor speed using Thyristor. Armature Voltage Control metho
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Fediv, Yevhen, Olha Sivakova, Vladyslav Lysiak, and Mykhailo Korchak. "Switching overvoltages protection of power electronics converters with gate turn-off thyristors." Energy engineering and control systems 7, no. 2 (2021): 103–10. http://dx.doi.org/10.23939/jeecs2021.02.103.

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Using the developed models in the “Simulink” visual programming environment of the “Matlab” application package using the “SimPowerSystem” and “Simscape Electrical” libraries, a comparative analysis of methods and techniques for limiting switching overvoltages in power converters, which are controlled by unlocking two-operation thyristors, was performed. The choice of a specific means of limitation is individual for each converter and depends on many factors - the power of the converter, the current-voltage characteristics of thyristors, the parameters of the power supply, and so on. Studies h
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Rudykh, A. V., and S. V. Sukyasov. "Power control of electric heating elements using thyristor voltage and resistance converters." iPolytech Journal 26, no. 2 (2022): 310–19. http://dx.doi.org/10.21285/1814-3520-2022-2-310-319.

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This article investigates the energy efficiency of thyristor converters with an active load. The conversion of electric energy in a “thyristor converter – electric heating element” installation is considered from the standpoint of electromagnetic theory. The energy characteristics of the considered installation was calculated in the MATLAB environment. When thyristor voltage converters are operated under the mode of controlling the power of active load, passive power was found to be generated at the input during the non-conductive state of the converter (thyristor is locked). The use of passiv
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Vladimir, Dj. Vukić. "Influence of interphase transformers and ac line reactances on the thyristor bridges' current sharing in 18-pulse rectifiers." Proceedings, Electrical Engineering Institute "Nikola Tesla" / Zbornik radova, Elektrotehnički institut "Nikola Tesla" 25, no. 1 (2015): 1–30. https://doi.org/10.5937/zeint25-9150.

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In this paper, computer simulation models of two different topologies of 18-pulse rectifiers are presented. Each rectifier topology consists of three parallel, three-phase six-pulse full-bridge thyristor converters connected via interphase transformers. The influence of the interphase transformer&#39;s layout and AC line reactances variations on the particular thyristor converter current sharing is analysed. Various configurations of 18-pulse rectifiers are examined by simulating operation with symmetric input voltage supply, as well as in the cases of different levels of voltage supply asymme
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Tarasovskiy, Timofey Sergeevich, and Andrey Nikolaevich Shtin. "Features of calculation of critical currents in semiconductor elements of thyristor-reactor switching device used for voltage regulation." Transport of the Urals, no. 4 (2022): 79–83. http://dx.doi.org/10.20291/1815-9400-2022-4-79-83.

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The paper presents a refined method for calculation of critical currents flowing through thyristors of a thyristor-reactor switching device aimed at voltage regulation at traction substations on railways electrified with direct current. The method considers overcurrent of thyristors in a dynamic mode of operation that occur in result of discharge of accumulated energy in inductive elements of the device. The authors have calculated critical currents flowing through thyristors of the switch being a part of the perspective converter transformer TRSNP-12500/10 that has a 14 % range of voltage reg
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Zha, Kunpeng, Bowen Gu, Ningming Guo, Yuan Zhu, Wuyu Zhang, and Xiangyu Zhang. "Evaluation Method for Reverse Recovery Characteristics of Thyristors Based on Charge Measurement." Journal of Physics: Conference Series 2636, no. 1 (2023): 012044. http://dx.doi.org/10.1088/1742-6596/2636/1/012044.

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Abstract The change of operation mode of the HVDC project causes a change of the external characteristic of the converter valve, and the reverse recovery characteristic of the thyristor inside the converter valve changes accordingly. Therefore, the reverse recovery charge measurement values of thyristors under different operating conditions cannot be directly compared, and the status of thyristors cannot be evaluated online. Therefore, a method of measuring the reverse recovery charge of series thyristor based on the turn-off voltage is presented in this paper. Then, the operation mode of the
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Khamzaev, Akbar, Ajargul Mambetsheripova, and Arislanbek Nietbaev. "Thyristor-based control for high-power and high-voltage synchronous electric drives in ball mill operations." E3S Web of Conferences 498 (2024): 01011. http://dx.doi.org/10.1051/e3sconf/202449801011.

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This paper introduces technical solutions for the gradual initiation of potent and high-voltage synchronous motors, with the aim of advancing energy efficiency, resource utilization, and prolonging the operational lifespan of electric drives. A thyristor-based voltage converter device, comprising a cluster of thyristors, has been developed and tested in an experimental setup. The findings demonstrate a substantial reduction in the stator winding start-up current of synchronous motors when launched with the thyristor initiation device, decreasing from 5 to 8 times to 2 to 3 times.
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Kuznetsov, V. A., G. D. Polkovnikov, V. E. Gromov, V. A. Kuznetsova, and O. A. Peregudov. "High power current pulse generator based on reversible thyristor converter." Izvestiya. Ferrous Metallurgy 62, no. 12 (2020): 964–71. http://dx.doi.org/10.17073/0368-0797-2019-12-964-971.

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In metal forming using high power current pulses, it becomes necessary to control both reproduction frequency and pulse amplitude. Description of a generator of high power current pulses with controlled thyristor converter is provided as a power source of charging device (charger) for regulating voltage (pulse amplitude) of capacitor charge. Faults of the generators associated with inrush current in capacitor charge modes are revealed, which reduces quality of supply network. To reduce time of transient processes while lowering voltage across capacitors, application of reverse thyristor conver
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Dissertations / Theses on the topic "Thyristo voltage converter"

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Motto, Kevin. "Application of High-Power Snubberless Semiconductor Switches in High-Frequency PWM Converters." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/35778.

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For many years, power electronics in the high-power area was performed with extremely slow semiconductor switches. These switches, including the thyristor and the Gate Turn-Off (GTO) thyristor, had the capacity to handle very high voltages and currents but lacked the ability to perform high frequency switching. Low-power converters, such as computer power supplies and low horsepower motor drives, have employed high-frequency switching for years and have benefited from very nice output waveforms, good control dynamic performance, and many other advantages compared to low frequency switching.
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Zhang, Bin. "Development of the Advanced Emitter Turn-Off (ETO) Thyristor." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/26095.

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Advancements in the power electronics systems have been directly related to the availability of improved power semiconductor devices. The device performance greatly determines the efficiency, reliability, volume, and cost of the power electronics system. This dissertation is dedicated to develop an advanced high power semiconductor device, the emitter turn-off (ETO) thyristor, which is targeted to improve the limitations of the present high power devices. Major improvements in electrical and mechanical designs of the ETO for high power and high frequency operation are proposed which result in
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Perera, Lasantha Bernard. "Multi Level Reinjection ac/dc Converters for HVDC." Thesis, University of Canterbury. Electrical and Computer Engineering, 2006. http://hdl.handle.net/10092/1085.

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A new concept, the multi level voltage/current reinjection ac/dc conversion, is described in this thesis. Novel voltage and current source converter configurations, based on voltage and current reinjection concepts are proposed. These converter configurations are thoroughly analyzed in their ac and dc system sides. The fundamentals of the reinjection concept is discussed briefly, which lead to the derivation of the ideal reinjection waveform for complete harmonic cancellation and approximations for practical implementation. The concept of multi level voltage reinjection VSC is demonst
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Boutry, Arthur. "Theoretical and experimental evaluation of the Integrated gate-commutated thyristor (IGCT) as a switch for Modular Multi Level Converters (MMC)." Thesis, Lyon, 2021. http://www.theses.fr/2021LYSEI095.

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Une étude sur la réduction/suppression de l'inductance de limitation di/dt pour IGCTs et du clamp RCD en utilisant des diodes rapides en silicium (Si) et des diodes en carbure de silicium (SiC) dans les convertisseurs multiniveaux modulaires (MMC). Cette thèse contient :- Analyse des sous-modules de MMC HVDC existants.- Évaluation de l'intérêt des IGCTs dans les sous-modules MMC HVDC et comparaison des pertes avec les IGBT, en utilisant des facteurs de mérite spécifiques aux MMC créés dans cette thèse.- Test de double pulse avec diode à récupération rapide dans un module plastique pour tenter
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Andler, Daniel [Verfasser]. "Experimental Investigation of Three-Level Active Neutral Point Clamped Voltage Source Converters using Integrated Gate-Commutated Thyristors / Daniel Andler." München : Verlag Dr. Hut, 2014. http://d-nb.info/1051550092/34.

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Andler, Osorio Daniel Andrés [Verfasser]. "Experimental Investigation of Three-Level Active Neutral Point Clamped Voltage Source Converters using Integrated Gate-Commutated Thyristors / Daniel Andler." München : Verlag Dr. Hut, 2014. http://d-nb.info/1051550092/34.

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Xie, Hailian. "On Power-system Benefits, Main-circuit Design, and Control of StatComs with Energy Storage." Doctoral thesis, Stockholm : Skolan för elektro- och systemteknik, Kungliga Tekniska högskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10302.

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Hadjikypris, Melios. "Supervisory control scheme for FACTS and HVDC based damping of inter-area power oscillations in hybrid AC-DC power systems." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/supervisory-control-scheme-for-facts-and-hvdc-based-damping-of-interarea-power-oscillations-in-hybrid-acdc-power-systems(cc03b44a-97f9-44ec-839f-5dcbcf2801f1).html.

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Modern interconnected power systems are becoming highly complex and sophisticated, while increasing energy penetrations through congested inter-tie lines causing the operating point approaching stability margins. This as a result, exposes the overall system to potential low frequency power oscillation phenomena following disturbances. This in turn can lead to cascading events and blackouts. Recent approaches to counteract this phenomenon are based on utilization of wide area monitoring systems (WAMS) and power electronics based devices, such as flexible AC transmission systems (FACTS) and HVDC
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Zabihi, Sasan. "Flexible high voltage pulsed power supply for plasma applications." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/48137/1/Sasan_Zabihi_Sheykhrajeh_Thesis.pdf.

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Demands for delivering high instantaneous power in a compressed form (pulse shape) have widely increased during recent decades. The flexible shapes with variable pulse specifications offered by pulsed power have made it a practical and effective supply method for an extensive range of applications. In particular, the release of basic subatomic particles (i.e. electron, proton and neutron) in an atom (ionization process) and the synthesizing of molecules to form ions or other molecules are among those reactions that necessitate large amount of instantaneous power. In addition to the decompositi
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Bonnin, Xavier. "Alimentation électrique des dispositifs de décharge à barrière diélectrique." Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/13645/1/bonnin.pdf.

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Les dispositifs DBD se répandent dans un grand nombre d’applications industrielles. Utilisés depuis plus de 150 ans pour la production d’ozone afin de décontaminer l’eau à grande échelle, ils ont depuis la fin du XXème siècle investi les domaines du traitement de surface polymère, du dépôt de couche mince sur substrat et de l’émission lumineuse pour la décontamination ainsi que la médecine. Ces dispositifs sont mis en oeuvre avec un générateur électrique dont les caractéristiques impactent fortement la qualité de la décharge. Ce travail s’inscrit en partie dans le cadre du développement d’une
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Books on the topic "Thyristo voltage converter"

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Volovich, G. I. Dinamika ventilʹnykh istochnikov vtorichnogo ėlektropitanii͡a︡ postoi͡a︡nnogo toka. Ėnergoatomizdat, 1991.

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Khan, Abdul Nauman. Voltage control of a three-phase bridge converter using GTO thyristor by-pass devices. 1988.

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Book chapters on the topic "Thyristo voltage converter"

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Qiu, Daqiang, Yu Huang, Zhangwei Jiang, Huabing Li, and Sheng Sha. "Calculation Method of Converter Valve Loss Based on Thyristor Voltage-Current Characteristics." In The proceedings of the 10th Frontier Academic Forum of Electrical Engineering (FAFEE2022). Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3404-1_14.

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Qiu, Daqiang, Yu Huang, Zhangwei Jiang, Huabing Li, and Sheng Sha. "Calculation Method of Converter Valve Loss Based on Thyristor Voltage-Current Characteristics." In The proceedings of the 10th Frontier Academic Forum of Electrical Engineering (FAFEE2022). Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3404-1_14.

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"Six-Pulse Diode and Thyristor Converter." In High-Voltage Direct-Current Transmission. John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118846704.ch3.

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Eya, Candidus U., Benjamin N. Ugwu, Gerald C. Diyoke, and Chikani Nonso.I. "Performance Evaluation of Varying Triggering Angles on Single-Phase Semi-Bridge Controlled AC-DC Converter." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde221191.

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This paper presents performance evaluation of varying triggering angles on single-phase semi bridge controlled AC-DC Converter, which are, dependent on the deferment angles. This article is meant for adequately identifying the better range of deferment or delay angles for controlled rectification for optimal performance of the single-phase half wave AC–to-DC converter. The single-phase half wave controlled rectifier is formed by combination of thyristor power switch, power cables and triggering circuit in the presence of supply voltage and the load/s. This article is also used to find out the
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Dote, Yasuhiko, and Richard G. Hoft. "Inverters." In Intelligent Control Power Electronic Systems. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198564669.003.0003.

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Abstract The semiconductor age began with the announcement by Bell Laboratories of the invention of the transistor in 1948 (the year that the second author earned his BSEE degree from Iowa State University in the USA). Bardeen, Brattain, and Shockley received the Nobel Prize for this most significant discovery. Silicon diodes soon became available to replace selenium and germanium diodes. General Electric in the USA introduced the silicon controlled rectifier (SCR) in 1957 and this gave great impetus to the development of semiconductor inverter and converter circuits. Reference [l] published i
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Conference papers on the topic "Thyristo voltage converter"

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Ramos, Marcos Leonardo, José Maria De Carvalho Filho, Ângelo José Junqueira Rezek, Christel Enock Ghislain Ogoulola, and Vinicius Zimmermann Silva. "Eight Thyristor AC-DC Modified Converter Bridge Implementation." In Simpósio Brasileiro de Sistemas Elétricos - SBSE2020. sbabra, 2020. http://dx.doi.org/10.48011/sbse.v1i1.2496.

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The purpose of this work is to implement at laboratory a full-controlled AC-DC test bench operating as a modified bridge and a conventional bridge, considering for both bridge the same average DC output voltage criterion. Furthermore, the performance of the test bench can be verified by checking the consistency of the experimental results between the modified bridge and the conventional bridge, as well as the consistency of the experimental results of these bridges with their theoretical values and digital simulations. It is expected the test bench can be applied for didactic and research purp
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Bosich, Daniele, Andrea Vicenzutti, and Giorgio Sulligoi. "Robust voltage control in large multi-converter MVDC power systems on ships using thyristor interface converters." In 2017 IEEE Electric Ship Technologies Symposium (ESTS). IEEE, 2017. http://dx.doi.org/10.1109/ests.2017.8069292.

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Milanov, Kostadin. "Thyristor Modules for Electronic Converters Intended for Increased Voltage." In 2020 XI National Conference with International Participation (ELECTRONICA). IEEE, 2020. http://dx.doi.org/10.1109/electronica50406.2020.9305163.

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Milanov, Kostadin. "Thyristor Modules for Electronic Converters Intended for Increased Voltage." In 2020 XI National Conference with International Participation (ELECTRONICA). IEEE, 2020. http://dx.doi.org/10.1109/electronica50406.2020.9305163.

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Yue, Ke, Shaobin Li, Dezhi Kong, et al. "Experimental study on reverse recovery characteristics of high power thyristors in HVDC converter valve." In 2016 IEEE International Power Modulator and High Voltage Conference (IPMHVC). IEEE, 2016. http://dx.doi.org/10.1109/ipmhvc.2016.8012778.

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Zhang, Di, Rajib Datta, Andrew Rockhill, Qin Lei, and Luis Garces. "The modular embedded multilevel converter: A voltage source converter with IGBTs and thyristors." In 2016 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2016. http://dx.doi.org/10.1109/ecce.2016.7855504.

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Liu, Longchen, Xinghai Zhang, Yawei Li, Ke Yue, Lei Pang, and Qiaogen Zhang. "Study on synthetic test technology of thyristor level with TCU in the converter valve of HVDC transmission." In 2016 IEEE International Conference on High Voltage Engineering and Application (ICHVE). IEEE, 2016. http://dx.doi.org/10.1109/ichve.2016.7800607.

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Mohan, Midhun, Rushikesh Shinde, and Pradip Magar. "Analysis of Back-EMF Protection Strategies for PM Synchronous Motor Based 2W/3W Electric Vehicles." In WCX SAE World Congress Experience. SAE International, 2025. https://doi.org/10.4271/2025-01-8565.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;The use of electric vehicles (EVs) has been on the rise in recent years and this trend is expected to continue in the upcoming years. There are several reasons for the increasing popularity of EVs, including environmental concerns, advances in technology, and government incentives. The 2W/3W EV powertrain comprises components such as the battery, traction motor, motor controller, charger, and DC-DC converter, etc. Essential components which impact the power, efficiency, and range of the vehicle are a motor (generally PMS
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Braslavsky, I. Ya, A. V. Kostylev, and D. P. Stepanyuk. "Influence of heating and voltage drop restrictions on starting process of thyristor voltage converter - Induction motor system." In 2012 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM 2012). IEEE, 2012. http://dx.doi.org/10.1109/speedam.2012.6264382.

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Tong, Yu, Jingpeng Yue, Ranran An, et al. "A Novel High-Voltage Thyristor-Based Unipolar to Bipolar DC Power Grid Interface Converter." In 2023 IEEE Sustainable Power and Energy Conference (iSPEC). IEEE, 2023. http://dx.doi.org/10.1109/ispec58282.2023.10403103.

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