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Добірка наукової літератури з теми "Thyrister control"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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Статті в журналах з теми "Thyrister control"

Fernandez, Ian Christian, Maria Theresa De Leon, Anastacia Alvarez, John Richard Hizon, and Marc Rosales. "Properties and Design of CMOS Thyristor Delay Elements." Journal of Integrated Circuits and Systems 17, no. 1 (April 30, 2022): 1–7. http://dx.doi.org/10.29292/jics.v17i1.580.

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The CMOS thyristor delay element and its basic operation are presented in this paper. Six variations of the thyristor design developed over the years to extend the delay length, to improve the consistency of the delay, or to control the sensitivities of the delay are also discussed. This includes the complementary thyristor, the thyristor without the current source, the thyristor with threshold elevation, the thyristor with opposing current source, the single-ended thyristor, and the thyristor-type feedback delay element. Design considerations common to all CMOS thyristors are also discussed to provide insights on topology selection, capacitive loading, and transistor sizing.

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Chyzhenko, O. I., and O. B. Rybina. "STUDY OF TRANSIENT PROCESSES IN THE CIRCUIT OF A CONDITIONALLY-TWELVEPHASE THYRISTOR COMPENSATOR FOR THE CORRECTION OF TRANSIENT START-UP MODES IN THE ELECTRICAL NETWORK." Praci Institutu elektrodinamiki Nacionalanoi akademii nauk Ukraini 2022, no. 63 (November 21, 2022): 58–64. http://dx.doi.org/10.15407/publishing2022.63.058.

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Electromagnetic transient processes in a network with a conventionally twelve-phase thyristor compensator designed to adjust the value of the starting transient current of the network in the case of direct start from the network of asynchronous motors of comparable power to the network with a jump-like change in the control angle of the thyristors in the bridges were studied. A comparison was made with such a change in the control angle of thyristors of transient currents in the circuits of a two-bridge controlled thyristor compensator with parallel connection of bridges with transient currents in a conventionally twelve-phase thyristor compensator, where these bridges are switched on in series with each other relative to the supply voltage. The advantages of the technical and economic and mass-dimensional parameters of the conventional twelve-phase converter and its operational characteristics when applied in practice in comparison with analogues are indicated. Ref. 5, fig. 6, table.

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Lei, Zhaoyu, Jianyi Guo, Yingfu Tian, Jiemin Yang, Yinwu Xiong, Jie Zhang, Ben Shang, and Youping Fan. "Thyristor Aging-State-Evaluation Method Based on State Information and Tensor Domain Theory." Electronics 10, no. 21 (November 5, 2021): 2700. http://dx.doi.org/10.3390/electronics10212700.

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The thyristor is the key device for the converter of the ultra-high-voltage DC (UHVDC) project to realize AC–DC conversion. The reliability of thyristors is directly related to the safe operation of the UHVDC transmission system. Due to the complex operating environment of the thyristor, there are many interrelated parameters that may affect the aging state of thyristors. To extract useful information from the massive high-dimensional data and further obtain the aging state of thyristors, a supervised tensor domain classification (STDC) method based on the adaptive syn-thetic sampling method, the gradient-boosting decision tree, and tensor domain theory is proposed in this paper. Firstly, the algorithm applies the continuous medium theory to analogize the aging state points of the thyristor to the mass points in the continuous medium. Then, the algorithm applies the concept of the tensor domain to identify the aging state of the thyristor and to transform the original state-identification problem into the state classification surface determination of the tensor domain. Secondly, a temporal fuzzy clustering algorithm is applied to realize automatic positioning of the classification surface of each tensor sub-domain. Furthermore, to solve the problem of unbalanced sample size between aging class data and normal class data in the state-identification domain, the improved adaptive synthetic sampling algorithm is applied to preprocess the data. The gradient-boosting decision tree algorithm is applied to solve the multi-classification problem of the thyristor. Finally, the comparison between the algorithm proposed and the conventional algorithm is performed through the field-test data provided by the CSG EHV Power Transmission Company of China’s Southern Power Grid. It is verified that the evaluation method proposed has higher recognition accuracy and can effectively classify the thyristor states.

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Pirozhenko, Andrii, Yevhenii Modlo, Ruslan Shaida, Viktor Batarieiev, Mykola Zhukov, and Mykhailo Drukker. "Principle of Organization for Laboratory Stand of the Electric Drive with a Real Regulatory System No Time Scaling." SHS Web of Conferences 100 (2021): 06002. http://dx.doi.org/10.1051/shsconf/202110006002.

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Анотація:

The existing practical training of specialists in the field of the electric drive is recognized as insufficient, not allowing them to conduct independently a complex of adjustment works or works on elimination of refusals. All known virtual methods of research of electric drives are scaled in time therefore at the trained skills on use of the measuring and registering devices during the work on real installation don't develop, and also skills on work with real knots of control systems for control of the set drive modes. We propose a stand consisting of a real system of regulation and the model of the power drive to work without time scale, thus significantly closer to the actual laboratory setting drive. The structure of the laboratory stand on the basis of the engine of a direct current of independent excitement with the reversible thyristor converter is in details considered. It is proved that an optimal algorithm for the simulation of three-phase bridge converter operating at anchor chain is an algorithm which rooms include a thyristor and of the remaining thyristors allows you to choose the design scheme and carry out the integration of equations describing electric processes in the circuit detect a change in state of the thyristors and the transition to other design scheme. Given the discrete model and considered design scheme of three-phase bridge Converter in a normal mode switching thyristors and emergency mode, if false turn on of the thyristor during commutation. Mathematical model of the device - the solution of differential equations by numerical integration of the Runge-Kutta. Proposed hardware mathematical model based on the family of microcomputer ARM СortexTM fourth generation.

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Mendybayev, Sergazy, Yermek Sarsikeyev, and Dameli Kapanova. "Control of Valve Converters with Natural Current Characteristics." MATEC Web of Conferences 155 (2018): 01047. http://dx.doi.org/10.1051/matecconf/201815501047.

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The article considers the valve converter with a natural current characteristic, which is called the current of parametric, for which the primary is not the source of the electric force but a parametric source of current, to the output of which connected to the counter-parallel thyristor sets assembled on the bridge scheme. The control of thyristors in the current converter is carried out taking into account the characteristic features of the parametric source, to avoid overvoltage on its reactive elements, analyzed algorithmic and modulating functions of the system borne temporary diagrams.

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Chikirkin, Oleg V. "Development of an Algorithm for Defining Thyristors Opening Angle Value at the New Configuration of Grid Commutation of Reversible Converter Arms of Electric Locomotive." Journal of Siberian Federal University. Engineering & Technologies 14, no. 8 (December 2021): 903–13. http://dx.doi.org/10.17516/1999-494x-0361.

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The article presents a new approach in the application of a diode discharge arm which is aimed at increasing the energy indicators of traction mode of AC locomotives. The method implies the utilization of electromagnetic energy stored in the commutate current circuit for closing exhausted thyristor arms of traction converters through a buffer contour provided by the discharge arm. A mathematical simulation of electromagnetic processes of the standard and proposed converters has been performed. The analysis of the results allows to find the most optimal value of thyristor arms opening angle when the discharge arm closes fully the exhausted thyristor arms in compliance with the condition of increasing the power factor of the electric locomotive. The developed control method of the proposed converter is presented by a table of pulses fed to the thyristors electrodes, as well as by the algorithm of point-of-time calculation of the impulses generation

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Usmonov, E. G., D. S. Akhmetbaev, M. Mamutov, Sh Abdurakhmonov, and M. Turgunov. "Application of an auto-parametric circuit for controlling thyristor converters." E3S Web of Conferences 289 (2021): 07015. http://dx.doi.org/10.1051/e3sconf/202128907015.

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This article discusses the issues of excitation of second-order subharmonic oscillations, in circuits representing a two-core electro-ferromagnetic circuit with a capacitive load, in order to use it to control the states of thyristors, frequency converters. The stability of the solutions of the equations of the two-core chain is investigated. Recommendations are given for obtaining stable subharmonic oscillations of the order 1/2 f when using these circuits as a control element of thyristor frequency dividers by two.

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Соболева, О. С., В. С. Головин, В. С. Юферев, П. С. Гаврина, Н. А. Пихтин, С. О. Слипченко та А. А. Подоскин. "Моделирование пространственной динамики включения лазера-тиристора (λ=905 нм) на основе многопереходной гетероструктуры AlGaAs/InGaAs/GaAs". Физика и техника полупроводников 54, № 5 (2020): 478. http://dx.doi.org/10.21883/ftp.2020.05.49265.9341.

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Abstract A 2D carrier transport model to be used in studying the spatial current dynamics in laser thyristors is presented. The model takes into account such features as optical feedback, impact ionization, and drift velocity saturation in strong electric fields. It is shown that there is current localization during laser-thyristor switch-on. A relationship is demonstrated between the distribution nonuniformity of the control current and its amplitude and position of the initial switch-on region. The time of laser-thyristor switch-on is 13 ns at a feed voltage of 26V, with a time of switch-on spreading over the entire 200-μm stripe width of ~65 ns. These parameters remain invariable irrespective of the switch-on spatial dynamics.

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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 (January 15, 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 converter is applied as a power source. Structural diagram of generator is considered, which includes reversible thyristor converter with separate control, power unit, capacitor recharge device, charger parameters automatic control system and capacitor charge process control system. Calculation of parameters of automatic control system regulators is presented. To obtain optimal transients, standard methodology for setting regulators to a modular optimum was used. In order to reduce overshoot at time of disturbances appearance, which can reach 100 % and higher, socalled logical device was introduced into the automatic control system. It blocks control pulses on thyristors of converter and simultaneously reduces signal at the output of current regulator to zero. Simulation model of high power current pulse generator in MatLab – Simulink environment was synthesized. Analysis of the model was carried out, and graphs are given that explain principle of device operation and transition processes under various operating modes. Generator application will allow user to adjust amplitude of current pulses with high speed and to obtain sufficiently high-quality transient processes of capacitors charge (discharge), which will have beneficial effect on supply network. Application of better converters will significantly increase frequency of reproduction of current pulses.

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Bimali, Bibek, Sushil Uprety, and Ram Prasad Pandey. "VAR Compensation on Load Side using Thyristor Switched Capacitor and Thyristor Controlled Reactor." Journal of the Institute of Engineering 16, no. 1 (April 12, 2021): 111–19. http://dx.doi.org/10.3126/jie.v16i1.36568.

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Generally, AC loads are the inductive loads which are reactive in nature. These loads, thus, demand and draw reactive power from the supply source. If these loads draw large lagging current from the source, this will cause excessive voltage drop in the line, which can even cause the voltage collapsing in the line itself if the drop in the line is excessively high. VAR compensation means efficient management of reactive power locally to improve the performance of AC power systems. In this paper, Static VAR Compensator, using TSC (Thyristor Switched Capacitor) and TCR (Thyristor Controlled Reactor), is designed and simulated in MATLAB to maintain the power factor of power system nearly to unity at all times. TSC and TCR are basically shunt connected capacitors and inductor respectively whose switching (of capacitors) and firing angle control (of inductor) operations are carried out using thyristors. The purpose of capacitors is to supply lagging VAR as per the demand by the connected loads and the overcompensation due to excess VAR generated by the discrete set of turned on capacitors are absorbed by the adjustable inductive reactance of the inductor in TCR branch through firing angle control mechanism.

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Дисертації з теми "Thyrister control"

張華 and Hua Zhang. "Digital vector control of forced-commutated cycloconverter drives." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31234574.

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Zhang, Hua. "Digital vector control of forced-commutated cycloconverter drives /." [Hong Kong] : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1594847X.

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Fan, Lingling. "Robust decentralized control of power systems through excitation systems and thyristor controlled series capacitors." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2242.

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Thesis (Ph. D.)--West Virginia University, 2001.
Title from document title page. Document formatted into pages; contains x, 121 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 99-103).

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Ängquist, Lennart. "Synchronous Voltage Reversal Control of Thyristor Controlled Series Capacitor." Doctoral thesis, KTH, Electrical Systems, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3396.

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Анотація:

Series compensation of transmission lines is an effectiveand cheap method of improving the power transmission systemperformance. Series capacitors virtually reduces the length ofthe line making it easier to keep all parts of the power systemrunning in synchronism and to maintain a constant voltage levelthroughout the system. In Sweden this technology has been inuse since almost 50 years.

The possibility to improve the performance of the ACtransmission system utilizing power electronic equipment hasbeen discussed a lot since about ten years. Some newsemiconductor based concepts have been developed beside thesince long established HVDC and SVC technologies. The ThyristorControlled Series Capacitor (TCSC) is one such concept. Byvarying the inserted reactance an immediate and well-definedimpact on the active power flow in the transmission line isobtained. Several potential applications, specifically poweroscillation damping, benefit from this capability. The conceptimplied the requirement to design a semiconductor valve, whichcan be inserted directly in the high-voltage power circuit.This certainly presented a technical challenge but thestraightforward approach appeared to be a cost-effectivealternative with small losses.

It was also realized that the TCSC exhibits quite differentbehaviour with respect to subsynchronous frequency componentsin the line current as compared to the fixed series capacitorbank. This was a very interesting aspect as the risk ofsubsynchronous resonance (SSR), which just involves such linecurrent components, has hampered the use of series compensationin power systems using thermal generating plants.

The thesis deals with the modelling and control aspects ofTCSC. A simplifying concept, the equivalent, instantaneousvoltage reversal, is introduced to represent the action of thethyristor controlled inductive branch, which is connected inparallel with the series capacitor bank in the TCSC. The idealvoltage reversal is used in the thesis in order to describe andexplain the TCSC dynamics, to investigate its apparentimpedance at various frequencies, as a platform forsynthesizing the boost control system and as the base elementin deriving a linear, small-signal dynamical model of thethree-phase TCSC. Quantitative Feedback Theory (QFT) then hasbeen applied to the TCSC model in order to tune its boostregulator taking into account the typical variation ofparameters that exists in a power system. The impact of theboost control system with respect to damping of SSR is finallybeing briefly looked at.

Keywords:Thyristor Controlled Series Capacitor, TCSC,FACTS, reactive power compensation, boost control, phasorestimation, Quantitative Feedback Theory, subsynchronousresonance, SSR.

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Genc, Murat. "Design And Digital Implementation Of Thyristor Controlled Reactor Control." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/3/12609184/index.pdf.

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In this research work, the control system of 16 MVAr, 13.8 kV TCR will be designed and digitally implemented. A Real-Time Control System (NI CompactRIOTM Reconfigurable I/O) and a Digital Platform (NI LabVIEWTM Gcode) are used in the digital implementation of TCR control system. The digital control system is composed of reactive power calculation, firing angle determination and triggering pulse generation blocks. The performance of control system will be tested in the field. The simulation results will also be compared with test data.

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Kite, David John. "Improved current control in thyristor drives for d.c. machines." Thesis, University of Bath, 1985. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.767552.

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The accurate and versatile control of a direct current machine's speed using a thyristor converter has led to its use for many industrial applications. However, as will be demonstrated, the current gain characteristic of such a device is not linear and under certain operating conditions can lead to an unacceptable degradation in performance. In order to develop a method of adaptive control that can compensate for the gain changes, the key features and theory of phase controlled thyristor converters are described and used to develop a digital computer simulation of a single phase converter. The d.c. gain of the device as a function of firing angle is then determined and the model used as the basis of a larger simulation of the machine's armature current control loop. The latter is used to investigate a number of control strategies, one of which is developed practically using a combination of analogue and digital electronics. The performance of the adaptive control system is then investigated by means of a comparison with the responses predicted by the software model and also by comparing the responses of the adaptive controller with the current loop responses obtained from a purely linear commercial drive. These show that the implementation of the chosen control strategy, although being very complex, does not achieve ideal responses. However, those obtained are seen under most conditions to be an improvement on the conventional system. Finally, the effect of the different armature current controllers on the speed response of d.c. machines using both linear and variable structure speed controllers is investigated. This is done purely in software following the development of a digital simulation of the speed loop. These show the adaptive qualities of VSS speed control, especially when used with the "faster" adapted current loop.

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Barnes, M. J. "The prediction and control of transients in thyristor valves." Thesis, Aston University, 1985. http://publications.aston.ac.uk/15140/.

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This thesis describes an investigation of methods by which both repetitive and non-repetitive electrical transients in an HVDC converter station may be controlled for minimum overall cost. Several methods of inrush control are proposed and studied. The preferred method, whose development is reported in this thesis, would utilize two magnetic materials, one of which is assumed to be lossless and the other has controlled eddy-current losses. Mathematical studies are performed to assess the optimum characteristics of these materials, such that inrush current is suitably controlled for a minimum saturation flux requirement. Subsequent evaluation of the cost of hardware and capitalized losses of the proposed inrush control, indicate that a cost reduction of approximately 50% is achieved, in comparison with the inrush control hardware for the Sellindge converter station. Further mathematical studies are carried out to prove the adequacy of the proposed inrush control characteristics for controlling voltage and current transients during both repetitive and non-repetitive operating conditions. The results of these proving studies indicate that no change in the proposed characteristics is required to ensure that integrity of the thyristors is maintained.

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Mahmoud, M. El-S. "A microprocessor thyristor-controlled DC drive incorporating regenerative braking." Thesis, University of Bradford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355222.

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何沛德 and Pui-tak Ho. "Control and operation of high-performance thyristor-controlled-reactor(TCR) compensators." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1988. http://hub.hku.hk/bib/B31231160.

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Uz, Eda. "Design And Implementation Of Thyristor Switched Shunt Capacitors." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611616/index.pdf.

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This research work deals with the analysis, design and implementation of thyristor switched plain capacitor banks and thyristor switched shunt filter banks. Performances of various thyristor switched capacitor (TSC) topologies are also investigated by simulations. The theoretical findings have been verified by carrying out experimental work on two prototypes implemented within the scope of this research work, one is a wye-connected laboratory prototype and the other is a delta-connected application prototype integrated to some of the SVCs existing in Turkish Coal Enterprise s Plants. The advantages of back-to-back connected thyristor switches over conventional electromechanical contactors are also made clear by conducting an intensive experimental work in the laboratory. A good correlation have been obtained between theoretical and experimental results.

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Книги з теми "Thyrister control"

Thyristor theory and application. Blue Ridge Summit, PA: Tab Books, 1986.

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Thyristor control of electric drives. New Delphi: Tata McGraw-Hill, 1988.

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Subrahmanyam, Vedam. Thyristor control of electric drives. New Delhi: Tata McGraw-Hill, 1988.

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K, Dubey G., ed. Thyristorised power controllers. New York: Wiley, 1986.

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Rectifier, International. Thyristor phase control types. El Segundo, CA: International Rectifier, 1993.

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Thyristor DC drives. Malabar, Fla: Krieger Pub. Co., 1991.

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Hadji, S. GTO thyristor traction drives using microprocessor control. Birmingham: University of Birmingham, 1986.

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Barnes, Michael John. The prediction and control of transients in thyristor values. Birmingham: University of Aston. Interdisciplinary Higher Degrees Scheme, 1985.

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K, Varma Rajiv, ed. Thyristor-based FACTS controllers for electrical transmission systems. Piscataway, NJ: IEEE, 2002.

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Keuchel, Ulrich. Microcomputer-Based Adaptive Control Applied to Thyristor-Driven DC-Motors. London: Springer London, 1994.

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Частини книг з теми "Thyrister control"

Patil, Mahesh, and Pankaj Rodey. "Thyristor Rectifier in Closed Loop." In Control Systems for Power Electronics, 15–19. New Delhi: Springer India, 2015. http://dx.doi.org/10.1007/978-81-322-2328-3_3.

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Venu, Y., T. Nireekshana, and B. Phanisaikrishna. "Mitigation of Ferranti Effect Using Thyristor Controlled Reactor." In Advances in Automation, Signal Processing, Instrumentation, and Control, 2533–45. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8221-9_236.

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Filatov, Nikolai M., and Heinz Unbehauen. "11. APPLICATION OF DUAL CONTROLLERS TO THE SPEED CONTROL OF A THYRISTOR-DRIVEN DC-MOTOR." In Adaptive Dual Control, 130–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-39994-0_11.

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Keuchel, Ulrich, and Richard M. Stephan. "A Simple Model for a Thyristor Driven DC-Motor Considering Continuous and Discontinuous Current Modes." In Advances in Industrial Control, 13–25. London: Springer London, 1994. http://dx.doi.org/10.1007/978-1-4471-2076-6_2.

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Wiesner, U., and R. Sittig. "Control of Plasma Dynamics within Double-Gate-Turn-Off Thyristors (D-GTO)." In Simulation of Semiconductor Devices and Processes, 266–69. Vienna: Springer Vienna, 1995. http://dx.doi.org/10.1007/978-3-7091-6619-2_64.

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Wang, Lei, Man-Chung Wong, and Chi-Seng Lam. "Proposed Unbalanced Control Strategy for Thyristor Controlled LC-Coupling Hybrid Active Power Filter (TCLC-HAPF)." In Power Systems, 103–27. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8827-8_5.

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Wang, Lei, Man-Chung Wong, and Chi-Seng Lam. "Adaptive DC-Link Voltage Control of Thyristor Controlled LC-Coupling Hybrid Active Power Filter (TCLC-HAPF)." In Power Systems, 151–79. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8827-8_7.

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Yarlagadda, Venu, K. R. M. Rao, and B. V. Sankar Ram. "Improvement of system stability margins using coordination control of Static Var Compensator (SVC) and Thyristor Controlled Series Capacitor (TCSC)." In Lecture Notes in Electrical Engineering, 207–15. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3363-7_23.

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Wang, Lei, Man-Chung Wong, and Chi-Seng Lam. "Mitigation of the Harmonic Injection in TCLC Part and Nonlinear Hysteresis PWM Control in Active Inverter Part of Thyristor Controlled LC-Coupling Hybrid Active Power Filter (TCLC-HAPF)." In Power Systems, 47–73. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8827-8_3.

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Pollefliet, Jean. "Control of Thyristors." In Power Electronics, 11.1–11.14. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-814643-9.50011-8.

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Тези доповідей конференцій з теми "Thyrister control"

Dong, Dong, Rixin Lai, Yan Pan, Xinhui Wu, and Konrad Weeber. "Active fault-current foldback control in thyrister rectifier for DC shipboard electrical system." In 2015 IEEE Electric Ship Technologies Symposium (ESTS). IEEE, 2015. http://dx.doi.org/10.1109/ests.2015.7157861.

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Antonova, Maryna, Evgenia Vasilieva, Mykola Antonov, and Dmytro Maslov. "Thyristor Converter Control System." In 2021 IEEE 2nd KhPI Week on Advanced Technology (KhPIWeek). IEEE, 2021. http://dx.doi.org/10.1109/khpiweek53812.2021.9570012.

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Vobecky, Jan, Umamaheswara Vemulapati, and Renata Bessa-Duarte. "Bidirectional Phase Control Thyristor (BiPCT): A New Antiparallel Thyristor Concept." In 2020 32nd International Symposium on Power Semiconductor Devices and ICs (ISPSD). IEEE, 2020. http://dx.doi.org/10.1109/ispsd46842.2020.9170072.

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Arsov, Goce L., and Slobodan Mircevski. "Quo vadis, thyristor?" In 2010 14th International Power Electronics and Motion Control Conference (EPE/PEMC 2010). IEEE, 2010. http://dx.doi.org/10.1109/epepemc.2010.5606789.

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Balkowiec, Tomasz, Dominik Andrzej Gorski, and Wlodzimierz Koczara. "Predictive Current-Limiting Thyristor Control in The Modified Thyristor-Equipped Vienna Rectifier." In 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2018. http://dx.doi.org/10.1109/icrera.2018.8566977.

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Sagareli, Sergo, and Vitaly Gelman. "Implementation of New Technologies in Traction Power Systems." In ASME/IEEE 2004 Joint Rail Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/rtd2004-66014.

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Анотація:

Due to significant developments in power electronics since the 1980’s, a row of new components are being used for both utility [1] and traction power substations, leading to new concepts in their design and construction. Among others, such innovations as incorporation of microprocessor-based multifunction protective relays and programmable logic controllers are changing traditional substations’ equipment layout and inter-connections; the development and experimental use of thyristor rectifiers and solid-state DC circuit breakers is under way. A significant reduction in the amount of protective and control devices (and associated wiring) has been achieved by introduction of multi-function relays (MFR or MPR – Multi-Purpose Relay), capable of replacing a whole group of relays used for equipment protection and automated control; for example, one MFR may perform functions of overcurrent and ground fault protection, over- and undervoltage protection, fault sensing and reclosing. Plus, it may be used for data logging and data recording purposes [2]. Additionally, high end MPRs have remote access features allowing not only to set any parameters, but even provide firmware upgrade without visiting the substation, thus providing labor savings. Therefore, one MFR may replace about a dozen of traditional relays and devices, along with their wiring and save maintenance expenses as well. Thyristor Controlled Rectifiers (TCR’s) are another significant innovation in traditional DC traction power substation design. Thyristor rectifiers are offering very important benefit of regulated DC voltage: at the substation’s bus output, the voltage may be constant from 0 to a 100% or even 150% load, which means improved train performance in terms of speed and reliability, as well as lower losses of energy in third rails, and possibility of raising third rail system voltage in the future, thus further lowering losses of energy in the system. Alternatively, it allows to increase the distance between the substations and thus reduce total number of substations. LIRR installed one thyristor rectifier for experimental use in 2003. Flywheel-based energy storage system is another important innovation that is being installed by the LIRR for experimental use. LIRR is installing for experimental use trackside fly-wheel energy storage system developed and tested by the British uranium enrichment company URENCO. According to Tarrant [3], in March 2002 the company successfully tested the KESS – Kinetic Energy Storage System and demonstrated 11% to 18% energy savings in different conditions of operation, because of the lower losses due to higher voltage during the acceleration period.

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Engel, Stefan P., and Rik W. De Doncker. "Control of thyristor-based commutation cells." In 2012 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2012. http://dx.doi.org/10.1109/ecce.2012.6342562.

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Milanov, Kostadin, Mihaela Slavkova, and Hristo Antchev. "Thyristor control driver with composite transformer." In 2016 19th International Symposium on Electrical Apparatus and Technologies (SIELA). IEEE, 2016. http://dx.doi.org/10.1109/siela.2016.7543028.

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Renz, K. "Thyristor control for fault current limitation." In IEE Colloquium on Fault Current Limiters - A Look at Tomorrow. IEE, 1995. http://dx.doi.org/10.1049/ic:19950142.

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Sosnina, Elena, Anatoliy Asabin, Alexey Kralin, and Evgeny Kryukov. "Voltage Control with Thyristor-Regulated Booster Transformer." In 2018 International Conference on Smart Grid (icSmartGrid). IEEE, 2018. http://dx.doi.org/10.1109/isgwcp.2018.8634477.

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Звіти організацій з теми "Thyrister control"

Marneris I., V. Badea, R. Bonati, and J. Sandberg. Thermal Analysis of 480 volt Disconnect Switches Feeding Thyristor Control Power Supplies. Office of Scientific and Technical Information (OSTI), June 2007. http://dx.doi.org/10.2172/1061872.

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