Relevant bibliographies by topics / Generator Excitation System

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  2. Dissertations / Theses
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Academic literature on the topic 'Generator Excitation System'

Author: Grafiati
Published: 5 June 2025
Last updated: 16 July 2025

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Journal articles on the topic "Generator Excitation System"

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Wang, Guang Zheng, and Wen Xing Wang. "Research on Small Synchronous Generator Excited System Based on Fuzzy Control." Applied Mechanics and Materials 120 (October 2011): 524–27. http://dx.doi.org/10.4028/www.scientific.net/amm.120.524.

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This article describes the small synchronous generator excitation control device characteristics and working principle is proposed based on fuzzy control of excitation regulator device on-site test method. Phase compound excitations with voltage corrector by the way of magnetic amplifier were used in excitation devices. The generator terminal voltage, load current and power factor and other parameters were adjusted by fuzzy control through automatic control phase compound excitation transformer. For separate generator, the major factor of terminal voltage change was caused by the change of reactive current, in order to keep constant voltage generator excitation current mast be adjusted. At the end of the paper the problems and countermeasures in the course of debugging process were analyzed.
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Thida, Win, Yu Lwin Hnin, and Wah Aung Zin. "Static Excitation System of Generator in Hydropower Station." International Journal of Trend in Scientific Research and Development 3, no. 5 (2019): 1837–39. https://doi.org/10.5281/zenodo.3591590.

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Excitation system is one of the most important parts of the synchronous generators. Excitation system of the generator comprises from machines, devices and appliances that are intended to provide direct current to the generator field winding and this current regulation. For a constant frequency supply, the output voltage of the machine depends on the excitation current. In this paper, static excitation system of 10 MW synchronous generator in hydropower station is described and analyzed how the excitation current can be controlled to be stable terminal voltage and reactive power of generator. Thida Win | Hnin Yu Lwin | Zin Wah Aung "Static Excitation System of Generator in Hydropower Station" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5 , August 2019, URL: https://www.ijtsrd.com/papers/ijtsrd26742.pdf
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Zaleskis, Genadijs, Ivars Rankis, and Marcis Prieditis. "Self-Excitation System for Synchronous Generator." Electrical, Control and Communication Engineering 4, no. 1 (2013): 32–37. http://dx.doi.org/10.2478/ecce-2013-0019.

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Abstract Self-excitation for synchronous generator is described in the paper. The system is based on a buck converter input filter capacitor discharge through excitation winding of the generator. The buck converter is connected to the stator outputs through an uncontrollable diode rectifier, but excitation winding is used as a load. Input filter capacitor of the converter provides initial current pulse which magnetizes excitation system and produces the generator voltage increase, for this reason the capacitor is charged before self-excitation process starts. Results of the computer simulation and physical experiment are obtained and presented. These results show that the proposed self-excitation converter in conjunction with an input capacitor pre-charged from a low-power electronic generator actually magnetizes the generator excitation system therefore generator voltage and accordingly excitation current increases. Stabilization of generator output voltage occurs with a voltage surge, though its peak value slightly exceeds the reference one. The future investigation of the proposed self-excitation system may include definition of mathematical equations which describe transients in the generator’s self-excitation mode and development of control methods for purpose of self-excitation process control without voltage peaks. The computer model also should be improved.
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Chouaba, Seif Eddine, and Abdallah Barakat. "Controlled Brushless De-Excitation Structure for Synchronous Generators." Engineering, Technology & Applied Science Research 9, no. 3 (2019): 4218–24. https://doi.org/10.5281/zenodo.3249129.

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The main weakness of the brushless excitation system in a synchronous generator (SG) is the slow de-excitation response obtained during a load rejection. That is why voltage overshoots may be observed on the generator terminals. This behavior is mainly due to the exciter machine response time and the rotating diode bridge which is not able to quickly de-excite the generator by negative excitation voltages. This paper presents a new brushless de-excitation structure able to perform a quick de-excitation of the generator by providing controlled negative excitation voltage to the generator main field winding. The proposed structure is based on a new brushless de-excitation machine, called a control machine, and mounted on the same shaft of the generator and the brushless exciter. The brushless control machine is a low power one and used to transfer the orders from the voltage regulator to the discharge system located on the rotor side of the main generator. The dynamic performance of the proposed de-excitation system is evaluated in terms of system stability, voltage regulation response times and voltage overshoots during different load rejection tests. The proposed system is compared to the conventional brushless excitation system without the proposed de-excitation structure. In addition, a comparison is done with the static excitation system. The simulation tests are realized on an experimentally validated model of 11kVA synchronous generator developed in Matlab/Simulink.
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Pei, Wei, Geng Liang, Xuying Gao, and Xiangyu Feng. "Research on AC Excitation Regulation Control System for Synchronous Generators." Academic Journal of Science and Technology 6, no. 2 (2023): 31–34. http://dx.doi.org/10.54097/ajst.v6i2.9441.

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Although there are many methods for classifying the excitation systems of synchronous motors, there are three types of excitation systems for synchronous motors based on the numerous methods of providing excitation power to synchronous generators. One is a DC excitation system, the second is an AC excitation system, and the other is a static excitation system. This paper mainly studies the AC excitation system. The rotor speed of AC excited generators is variable and has excellent characteristics such as improving power system stability, allowing for deep operation without losing step. AC excitation generators not only have variable speed and constant frequency power, but also have independent adjustment functions for speed, reactive power, and effective power. The use of high-performance variable frequency excitation power supplies and appropriate excitation control methods can maximize the reliability, operational flexibility, and exceptional adjustment performance of AC excitation generators. The excitation system is an important part of synchronous generator operation. A good excitation system not only ensures the stable and reliable operation of the generator, but also greatly improves the stability of the motor and power system.
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Azis, Hastuti, Pawenary Pawenary, and Meyhart Torsna Bangkit Sitorus. "Simulasi Pemodelan Sistem Eksitasi Statis pada Generator Sinkron terhadap Perubahan Beban." Energi & Kelistrikan 11, no. 2 (2019): 46–54. http://dx.doi.org/10.33322/energi.v11i2.483.

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Excitation system is one of the most important parts of synchronous generators, where the system functions to provide dc power to the field generator coil. Iin this study, a static excitation system consisting of transformers and connected thyristors in bridge configuration has been implemented in synchronous machines that operate as 206,1 mva capacity generators, 16,5 kv using the help of matlab simulink r2017b software. By adjusting the load given to the generator, variations in excitation currents can affect the amount of output voltage generated by the generator so that it can increase and decrease the induced voltage. In full load conditions, namely p = 175 mw, q = 100 mvar, the results of the study show that when the simulation is run at alpha 0 °, it is known that the average value of dc voltage is 496,4 v, excitation current is 1057 a and voltage generator output has increased beyond its nominal voltage of 16,72 kv. in this case, to maintain the terminal voltage, the excitation current must be reduced by increasing the angle of shooting of the thyristor to an alpha angle of 45 °, so that the average dc voltage can be reduced to 479,3 v, as well as the excitation current to 985,9 a. the generator output voltage at the alpha 45 ° angle is obtained according to its nominal value of 1,.5 kv.
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Mato Mišković, Marija Mirošević, and Mateo Milković. "ANALYSIS OF SYNCHRONOUS GENERATOR ANGULAR STABILITY DEPENDING ON THE CHOICE OF THE EXCITATION SYSTEM." Journal of Energy - Energija 58, no. 4 (2022): 430–45. http://dx.doi.org/10.37798/2009584308.

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The paper elaborates on the mathematical model of the electric power system with several synchronous generators and in this model the generators are presented by a non-linear mathematical model. By applying such a model, the impact of the manner of supplying the excitation system on the generator’s angular stability was researched in the circumstances of occurrence of a short circuit in the network. The established model enables the analysis of the generator’s stability in the circumstances of extensive disruptions in the electric power system for the case of the generator with separate excitation and the generator with self-excitation. Research results can be useful when making the decision on the choice of the generator excitation type, when renewing the existing and building new generators.
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Ritonja, Jožef. "Adaptive stabilization for generator excitation system." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 30, no. 3 (2011): 1092–108. http://dx.doi.org/10.1108/03321641111111022.

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Sun, Wen, Yin Sheng Su, Jun Feng Zhang, and Xiao Ming Li. "Enhance Power System Transient Voltage Stability by Difference Coefficient of Generator Excitation System Optimization." Advanced Materials Research 1008-1009 (August 2014): 409–16. http://dx.doi.org/10.4028/www.scientific.net/amr.1008-1009.409.

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Lack of dynamic reactive power compensation result in power system transient voltage instability. To improve the transient voltage stability, an optimization strategy for setting the excitation system difference coefficient of the generator is presented in this paper. The concept of the excitation system difference coefficient is introduced. Then the impacts of difference coefficients of generator excitation system on generator stability are analyzed and adjustment range is proposed. The calculation results of Guangdong province system show that the transient voltage stability level is enhanced effectively after optimizing the excitation system difference coefficient.
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Sutjipto, Rachmat, Ika Noer Syamsiana, and Widya Pratiwi. "Analisis Pengaruh Pengaturan Sudut Penyalaan Thyristor Pada Tegangan Eksitasi Terhadap Keluaran Daya Reaktif Generator di PT.PJB PLTU Gresik Unit 3." ELPOSYS: Jurnal Sistem Kelistrikan 8, no. 3 (2021): 53–58. http://dx.doi.org/10.33795/elposys.v8i3.77.

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The process of changing mechanical energy into electrical energy is carried out by a synchronous generator using an excitation system that functions to supply a DC source to the generator field winding. In this study, the excitation system used is a static excitation system that uses a transformer and several thyristors connected in a bridge configuration. The excitation system is then implemented on a generator with a capacity of 200 MVA / 15 kV using the MATLAB Simulink R2017b simulation. By using the above circuit, the thyristor ignition angle setting can be adjusted so that it can adjust the excitation voltage and obtain the appropriate excitation current to maintain the stability of the generator output voltage. The simulation was carried out with variations in generator load and using 2 different types of excitation settings. The first setting is to set the thyristor ignition angle to 30° with t=10 ms, at this setting the generator can maintain a stable V out value with a voltage regulation limit of ±5% and the reactive power that can be generated by the generator is +50 MVAr and - 40 MVAr. When given a constant excitation at an angle of 35° with t=1 ms, the value of Vout exceeds the expected regulatory limit and the resulting reactive power limit is between +60 MVAr and -100 MVAR where the reactive power does not match the load requirements. This can have an impact on the interconnection system, namely when the reactive power of the generator is greater than the load requirement, the generator with a smaller reactive power will absorb reactive power in the interconnection system and can disrupt the stability of the interconnection network.
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Dissertations / Theses on the topic "Generator Excitation System"

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Chapman, Jeffrey W. (Jeffrey Wayne). "Feedback linearizing generator excitation control for enhanced power system stability." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/117237.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.<br>Title as it appears in the M.I.T. Graduate List, June 1992: Nonlinear control strategies for power system stability enhancement.<br>Includes bibliographical references (leaves 104-107).<br>by Jeffrey W. Chapman.<br>M.S.
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Bati, A. F. "The operation of small synchronous generators with particular reference to the excitation system control." Thesis, Cranfield University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233421.

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Bladh, Johan. "Hydropower generator and power system interaction." Doctoral thesis, Uppsala universitet, Elektricitetslära, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-182188.

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After decades of routine operation, the hydropower industry faces new challenges. Large-scale integration of other renewable sources of generation in the power system accentuates the role of hydropower as a regulating resource. At the same time, an extensive reinvestment programme has commenced where many old components and apparatus are being refurbished or replaced. Introduction of new technical solutions in existing power plants requires good systems knowledge and careful consideration. Important tools for research, development and analysis are suitable mathematical models, numerical simulation methods and laboratory equipment. This doctoral thesis is devoted to studies of the electromechanical interaction between hydropower units and the power system. The work encompasses development of mathematical models, empirical methods for system identification, as well as numerical and experimental studies of hydropower generator and power system interaction. Two generator modelling approaches are explored: one based on electromagnetic field theory and the finite element method, and one based on equivalent electric circuits. The finite element model is adapted for single-machine infinite-bus simulations by the addition of a network equivalent, a mechanical equation and a voltage regulator. Transient simulations using both finite element and equivalent circuit models indicate that the finite element model typically overestimates the synchronising and damping properties of the machine. Identification of model parameters is performed both numerically and experimentally. A complete set of equivalent circuit parameters is identified through finite element simulation of standard empirical test methods. Another machine model is identified experimentally through frequency response analysis. An extension to the well-known standstill frequency response (SSFR) test is explored, which involves measurement and analysis of damper winding quantities. The test is found to produce models that are suitable for transient power system analysis. Both experimental and numerical studies show that low resistance of the damper winding interpole connections are vital to achieve high attenuation of rotor angle oscillations. Hydropower generator and power system interaction is also studied experimentally during a full-scale startup test of the Nordic power system, where multiple synchronised data acquisition devices are used for measurement of both electrical and mechanical quantities. Observation of a subsynchronous power oscillation leads to an investigation of the torsional stability of hydropower units. In accordance with previous studies, hydropower units are found to be mechanically resilient to subsynchronous power oscillations. However, like any other generating unit, they are dependent on sufficient electrical and mechanical damping. Two experimentally obtained hydraulic damping coefficients for a large Francis turbine runner are presented in the thesis.
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Tibebu, Eyuel. "An automatic voltage regulating system with Bluetooth communicating devices for brushless excitation of a synchronous generator." Thesis, Uppsala universitet, Elektricitetslära, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-202587.

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This thesis has been performed in order to earn a master's degree in electrical engineering. The task was to implement an automatic voltage regulator, AVR, to control the terminal voltage of the synchronous generator Svante at the Division of Electricity at Uppsala University. The AVR uses Bluetooth technology to transfer a control signal produced by a programmable logical controller, PLC, to phase- mounted SSRs that decides what proportion of the AC from a six-phase brushless exciter that is to be used for the magnetization of the rotor. Test runs of the AVR were preformed with a regulator optimized according to the Ziegler-Nichols method and a static exciter that uses brushes and slip rings to apply voltage to the rotor winding. The results obtained complies with the assigned requirements set for this thesis and the AVR. The primary focus of this thesis mainly lies in the construction of the control system, which include the programming of both PLC and Bluetooth communicating devices.
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Ivanic, Boris. "AVR for a synchronous generator with a six-phase PM alternator and rotating excitation system." Thesis, Uppsala universitet, Elektricitetslära, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-201997.

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Automatic voltage regulation is necessary for all power producing synchronous generators to ensure that the produced power have a constant and stable voltage level and to sustain grid stability. The aim of this thesis is to design and build an automatic voltage regulator for a synchronous generator. A six-phase permanent magnet alternator will be used to excite the rotor with solid-state relay controlled rotating bridge rectifier. The field current is regulated by a closed loop control system that is based on a programmable logic controller, PLC. Programing of the PLC is executed in the developing environment CoDeSys, IEC 61131-3, which is the international standard for programing PLC applications. Simulations for predicting the system behavior is done with a web based in-browser tool, circuitlab.com. The results show a good performance of the regulator and the closed loop system although there is room for improvement of the solid-state controlled rectifier system.
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Pålsson, Emma. "Vibration analysis of a fast response brushless excitation system." Thesis, Uppsala universitet, Elektricitetslära, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-394098.

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The aim of this study is to measure and analyze vibrations on a fast response brushless exciter (FRBE) at a real hydropower plant and identify vibration origins through frequency analysis. Moreover, the observed vibrations are evaluated in relation to generator vibration standards and estimated tangential eigenfrequencies of the studied FRBE. It is concluded that the pulsations in the air gap torque, originating from the rotating thyristor bridge rectifier, is the source of the strongest vibrations. Some additional vibration sources are also identified. The requirements of the generator vibration standards are mostly fulfilled and no tangential eigenfrequencies are triggered in the vibration recordings. For further studies it is recommended that alternative control strategies and optimization of the FRBE mechanical design, with respect to its ability to withstand vibrations, should be investigated.
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Larsson, Rickard, and Kenny Andersson. "Construction, testing and verification of a brushless excitation system with wireless control of the field current in a synchronous generator." Thesis, Uppsala universitet, Elektricitetslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-341021.

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Synchronous generators have been used in hydropower from more than a century where, traditionally, the field current is transferred to the rotor using slip rings and carbon brushes. There are some major disadvantages following the use static excitation; regular and expensive maintenance, as well as a source of carbon dust which, due to buildup, may cause short circuits. To avoid these problems associated with slip ring exciter systems, a system that use induction to transfer power to the rotor could be used instead. Systems that utilize brushless excitation today usually regulates the current by controlling the magnetization of the exciter stator, which is comparably slower than their static counterparts. In order to allow for swift regulation of the field current from a brushless exciter, required power electronics and controllers have to be present on the rotor shaft instead. The aim of this project is to start investigating if commercially available products, which are originally indented to be used in a stationary environment, could accomplish this. The results from this study shows that it is possible to use such products to control the field current. The components were found to withstand the exposure of high g-forces and vibrations, albeit only during the relatively small amount of time in which rotary testing was performed. As such there is no certainty that the components would remain functional for the considerably longer time that any commercial use would require them to.
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Resener, Mariana. "Avaliação do impacto dos controladores de excitação na estabilidade transitória de geradores síncronos conectados em sistemas de distribuição." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/31412.

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A conexão de geradores em sistemas de distribuição, usualmente chamados de geradores distribuídos, traz novos aspectos técnicos que devem ser analisados pelas empresas distribuidoras, uma vez que os dispositivos de proteção e controle, bem como as técnicas de planejamento e otimização da operação destes sistemas consideram um sistema radial, ou seja, sem a presença de geradores. Em se tratando de geradores síncronos, sabe-se que os sistemas de excitação podem ser equipados com meios para o ajuste automático de tensão, potência reativa ou fator de potência, sendo que três diferentes modos de controle podem ser aplicados a geradores síncronos: regulação de tensão, regulação de potência reativa ou fator de potência e controle de potência reativa ou fator de potência. Ainda, sabe-se que não há um consenso entre as empresas distribuidoras de energia sobre qual o melhor modo de controle destas máquinas, e na maioria dos casos a estratégia de controle de excitação é definida através de um acordo operativo entre a empresa de distribuição de energia e o produtor independente ou autoprodutor que opera o gerador distribuído. Neste contexto, esta dissertação de mestrado tem como objetivo apresentar contribuições com relação à avaliação da estabilidade transitória de geradores síncronos conectados em sistemas de distribuição, avaliando o impacto que os diferentes modos de controle de excitação podem ocasionar, em diferentes condições de operação do sistema. Como parâmetro principal de análise tem-se o tempo crítico de eliminação de falta, obtido através de exaustivas simulações dinâmicas utilizando dados de um sistema real e considerando diferentes condições de operação do sistema, sendo estas: diferentes modos de controle da geração distribuída, modificação do ganho proporcional do controlador de fator de potência, diferentes pontos de operação da geração distribuída, diferentes cenários de carregamento do sistema e diferentes potências de geração.<br>The connection of generators in distribution systems, commonly called distributed generation, brings new technical issues that must be analyzed by the utilities, since protection and control devices, as well as techniques for system planning and operation optimizing consider radial systems, i.e. without the presence of generators. In the case of synchronous generators, it is known that the excitation systems can be equipped with means for automatic adjustment of voltage, reactive power or power factor, and three different control modes can be applied to synchronous generators: voltage regulation, reactive power or power factor regulation and reactive power or power factor control. It is also known that there is no consensus among the power distribution companies about which is the best control mode for use in these machines, and in most cases the excitation control strategy is defined by an operating agreement between the company and the energy producer that operates the distributed generator. In this context, this work aims to provide contributions about the transient stability of synchronous generators connected to distribution systems, evaluating the impacts that different control modes may result in different system operating conditions. The main analysis parameter is the critical clearing fault time, obtained through extensive simulations using real system data. The different system operating conditions considered in the simulations are: different control modes, variation of the power factor controller proportional gain, different operating points of the distributed generation, different system loadings and power generation.
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Mseddi, Amina. "Modélisation et commande d’un générateur éolien à double excitation isolé en vue de l’amélioration de son rendement et de la diminution de la fatigue mécanique." Thesis, Cergy-Pontoise, 2019. http://www.theses.fr/2019CERG1032.

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Le présent sujet contribue à la modélisation et à la commande de systèmes de conversion éoliens basés sur un Générateur Synchrone à Double Excitation (GSDE). Le degré de liberté apporté par l’excitation bobinée offre la possibilité de travailler sur l’amélioration de l’efficacité énergétique sur les cycles de fonctionnement avec sollicitations aléatoires, comme dans le cas de l’éolien.On vise, à travers cette recherche, la mise en place de techniques de commande robuste d’un GSDE en vue de l’optimisation de son rendement aérodynamique et de la réduction de la fatigue mécanique. Dans ce contexte, un générateur hybride relié à une charge isolée pour des applications éoliennes est présenté. Des modèles linéaires sont tout d’abord établis. Ces modèles sont ensuite utilisés pour mettre en place les structures de contrôle appropriées tant du point de vue électrique que mécanique. Parallèlement, des modèles non linéaires très complets sont développés permettant une validation en simulation très poussée prenant en compte les harmoniques d’espace du générateur, les effets de commutation des convertisseurs et les effets de torsion sur l’arbre. En outre, un émulateur éolien de 3 kW est construit, en vue d'évaluer expérimentalement l’apport de notre générateur hybride dans le domaine éolien puis d'améliorer les contrôleurs synthétisés. Dans ce travail, deux stratégies de contrôle robuste pour une machine hybride sont implémentées et une comparaison entre un contrôleur CRONE et un contrôleur H∞ est établie. Des résultats très satisfaisants sont obtenus avec une meilleure performance du CRONE par rapport au H∞. Outre la problématique de l’optimisation de la production du système de conversion éolien, on a aussi cherché à réduire le taux d’harmonique en recourant à deux solutions : le filtrage passif et la réduction des ondulations du couple électromagnétique par action sur le courant d’excitation. Bien qu’on ait apporté des améliorations pour de grandes vitesses de rotation de la génératrice, ces solutions restent insuffisantes pour une connexion de l’architecture proposée au réseau électrique...Une fois l’applicabilité de la GSDE dans le domaine éolien prouvée pour le cas d’un système éolien de 3 kW, nous sommes passé à une puissance plus réaliste en interfaçant notre modèle électrique avancé avec un modèle aéroélastique, disponible sur le logiciel FAST. Ce dernier permet de prendre en compte les éléments mécaniques, les couplages et les éventuelles flexibilités. La turbine choisie pour l’étude est la turbine WindPACT de puissance 1.5MW. Dans cette partie, des commandes robustes traitant la réduction de la fatigue mécanique sont élaborées.Le modèle de la turbine WindPACT basé sur le générateur hybride est finalement connecté au réseau, les lois de commande nécessaires pour cette connexion sont implémentées puis validées sous la plateforme Matlab Simulink<br>This subject contributes to the modeling and control of a wind conversion system based on a Double Excitation Synchronous Generator (DESG). The degree of freedom provided by the wound excitation allows the improvement of the energy efficiency on the operation’s cycles with random solicitations, as it is the case for wind turbines.The aim of this research is to implement robust control techniques for the DESG in order to optimize its aerodynamic efficiency and to reduce its mechanical loads. In this context, a hybrid generator connected to an isolated load for wind applications is presented. First, linear models are established. These models are used to set up the appropriate control structures from both an electrical and mechanical point of view. At the same time, very complete nonlinear models are developed allowing a validation in an advanced simulation platform taking into account the space harmonics of the generator, the switching effects of the converters and the torsional effects on the shaft. Moreover, a 3 kW wind emulator is built to evaluate the contribution of the hybrid generator in the wind conversion systems field and then improve the synthesized controllers. Two robust control strategies for a hybrid machine are implemented and a comparison between a CRONE controller and a H∞ controller is presented. Satisfying results are obtained with a better performance for the CRONE regulator compared to H∞ one. In addition to the problem of optimizing the production of the wind energy conversion system, attempts have also been made to reduce the generator harmonic distortion ratios by using two solutions: passive filtering and reduction of the electromagnetic torque ripple by acting on the excitation current. Although there are improvements at high rotation speeds, these solutions are not sufficient for a connection of the proposed architecture to the grid.Once the applicability of the DESG in the wind energy field has been proven in the case of a 3 kW wind conversion system, we have considered a more realistic case. To this end, we have interfaced the developed advanced electric model with an aeroelastic model available on the FAST software, to take into account the mechanical couplings and the flexibilities. The turbine chosen for the study is the WindPACT 1.5MW turbine. In this part, robust controllers dealing with the reduction of mechanical fatigue are developed.The model of WindPACT turbine based on the hybrid generator is finally connected to the grid and the control laws necessary for this connection are implemented and validated under the Matlab Simulink platform
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Nøland, Jonas Kristiansen. "A New Paradigm for Large Brushless Hydrogenerators : Advantages Beyond the Static System." Doctoral thesis, Uppsala universitet, Elektricitetslära, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-317780.

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The grid code, FIKS, from the Norwegian transmission system operator (TSO), Statnett, states that synchronous generators &gt; 25MVA, must have a static excitation system. However, an improved brushless excitation system is in operation on some commercial power plants (36MVA, 93.75rpm &amp; 52MVA, 166.67rpm) with grid-assisting performance beyond the conventional static system. The convenional diode bridge is replaced with a remote-controlled thyristor bridge on the shaft. If wireless communication is not allowed, a control signal through brushes should be employed instead. The thesis explores the expected new era for large brushless hydrogenerators. The proposed brushless system have benefits of reduced regular maintenance due to elimination of brushes and reduced unscheduled maintenance due to redundancy; causing a redused cost-of-energy. A six-phase exciter design with a hybrid-mode thyristor bridge interface leads to improved fault-tolerance, better controllability, minimized torque pulsations and reduced armature currents of the exciter. Excitation boosting (EB) capability is included in the brushless system without additional components or circuitry, contrary to the static excitation system. The brushless excitation system is made insensitive to voltage dips in the interconnected grid, causing improved fault ride-through (FRT) capability and power system stabilizer (PSS) actions.
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Books on the topic "Generator Excitation System"

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Paszek, Stefan, Andrzej Boboń, Sebastian Berhausen, Łukasz Majka, Adrian Nocoń, and Piotr Pruski. Synchronous Generators and Excitation Systems Operating in a Power System. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37976-6.

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IEEE Power Engineering Society. Energy Development and Power Generation Committee. and IEEE Standards Board, eds. IEEE recommended practice for excitation system models for power system stability studies. Institute of Electrical and Electronics Engineers, 1992.

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United States. Bureau of Reclamation. Denver Office. Electric Power Branch., ed. Flatiron Powerplant automatic voltage regulator performance. U.S. Dept. of the Interior, Bureau of Reclamation, Denver Office, Research and Laboratory Services Division, Electric Power Branch, 1989.

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Excitation Principles : Types of Excitation Systems in a Generator: Brushless Excitation System of Alternator. Independently Published, 2021.

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Leader, Terrance. Excitation System Testing : the Excitation System and Speed of Alternator: Brushless Excitation System of Synchronous Generator. Independently Published, 2021.

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Li, Jicheng. Design and Application of Modern Synchronous Generator Excitation Systems. Wiley & Sons, Incorporated, John, 2019.

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Li, Jicheng. Design and Application of Modern Synchronous Generator Excitation Systems. Wiley & Sons, Incorporated, John, 2019.

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Li, Jicheng. Design and Application of Modern Synchronous Generator Excitation Systems. Wiley & Sons, Incorporated, John, 2019.

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Li, Jicheng. Design and Application of Modern Synchronous Generator Excitation Systems. Wiley & Sons, Limited, John, 2019.

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Paszek, Stefan, Andrzej Boboń, Sebastian Berhausen, Łukasz Majka, Adrian Nocoń, and Piotr Pruski. Synchronous Generators and Excitation Systems Operating in a Power System: Measurement Methods and Modeling. Springer, 2020.

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Book chapters on the topic "Generator Excitation System"

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Ygzaw, Alganesh, Belachew Banteyirga, and Marsilas Darsema. "Generator Excitation Loss Detection on Various Excitation Systems and Excitation System Failures." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-43690-2_26.

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Muta, I., H. Tsukiji, Y. Tsutsui, T. Hoshino, E. Mukai, and T. Furukawa. "Fully Superconducting AC Generator with Brushless Excitation System." In 11th International Conference on Magnet Technology (MT-11). Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0769-0_98.

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Wang, Wan-Cheng. "ANN Combined-Inversion Control for the Excitation System of Generator." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-87442-3_106.

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Yang, Ning, Jianfeng Wen, Lin Jiang, Chia-Chi Chu, and Jingbo Wang. "Partial Feedback Linearization Controller for Flexible Excitation System in Synchronous Generator." In Communications in Computer and Information Science. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-96-0225-4_26.

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Chenchevoi, Volodymyr, Valeriy Kuznetsov, Iurii Zachepa, et al. "Development of the System of Initial Excitation of the Autonomous Induction Generator." In Recent Advances in Power Electronics and Drives. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9239-0_41.

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Venkatesh, Appalabathula, and Shankar Nalinakshan. "Intelligent Excitation System for Efficient Control of Dual Stator Winding Permanent Magnet Synchronous Generator in Hybrid Power System Applications." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8353-5_6.

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Cheng, Yuan, Haodan Shao, Mingli Wang, and Xiaojun Liu. "Research on Low-Frequency AC Excitation Control of Capacitor Charging and Discharging System Based on Brushless Doubly Fed Pulse Generator." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-1391-5_26.

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Lu, Qiang, Yuanzhang Sun, and Shengwei Mei. "Nonlinear Excitation Control of Large Synchronous Generators." In Nonlinear Control Systems and Power System Dynamics. Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-3312-9_6.

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Abro, Abdul Ghani, Junita Mohamad Saleh, and Syafrudin bin Masri. "Features Selection for Training Generator Excitation Neurocontroller Using Statistical Methods." In Software Engineering and Computer Systems. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22170-5_31.

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Lin, Yuzhang, and Chao Lu. "Application of Dual Heuristic Programming in Excitation System of Synchronous Generators." In Advances in Neural Networks – ISNN 2011. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21111-9_21.

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Conference papers on the topic "Generator Excitation System"

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Maruyama, Kazuto, Takashi Kosaka, Yasushi Kato, Naoki Yamamoto, Yoshiki Yasuda, and Akio Yamagiwa. "Design Study on Hybrid Excitation Generator for Micro-hydroelectric System." In 2024 27th International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2024. https://doi.org/10.23919/icems60997.2024.10921423.

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Kato, Yasushi, Reo Nagase, Naoki Yamamoto, Yoshiki Yasuda, Akio Yamagiwa, and Takashi Kosaka. "Design Optimization of Hybrid Excitation Flux Switching Generator for Micro Hydroelectric System." In 2024 International Conference on Electrical Machines (ICEM). IEEE, 2024. http://dx.doi.org/10.1109/icem60801.2024.10700137.

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Smith, J. R. "Determination of excitation control system settings." In IEE Colloquium on Generator Excitation Systems and Stability. IEE, 1996. http://dx.doi.org/10.1049/ic:19960115.

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Erinmez, I. A. "NGC experience with audit of excitation system performance." In IEE Colloquium on Generator Excitation Systems and Stability. IEE, 1996. http://dx.doi.org/10.1049/ic:19960110.

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Lynch, C. A. "An add-on power system stabiliser." In IEE Colloquium on Generator Excitation Systems and Stability. IEE, 1996. http://dx.doi.org/10.1049/ic:19960114.

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Ahmed, S. S. "A robust power system stabiliser for an overseas application." In IEE Colloquium on Generator Excitation Systems and Stability. IEE, 1996. http://dx.doi.org/10.1049/ic:19960113.

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Zhang, Jian, Pengfei Zeng, and Yali Zhang. "Identifiability Research of Generator Excitation System." In 2016 International Conference on Civil, Transportation and Environment. Atlantis Press, 2016. http://dx.doi.org/10.2991/iccte-16.2016.153.

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Jianshun, Ding, Wang Qing, Xiang Li, Niu Shuanbao, Song Yunting, and Li Ran. "Stability Analysis of Power System with Under-excitation Limiter in Generator Excitation Control System." In 2015 8th International Conference on Intelligent Computation Technology and Automation (ICICTA). IEEE, 2015. http://dx.doi.org/10.1109/icicta.2015.214.

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Zeng, Hongtao, Jiang Guo, and Zhihuai Xiao. "Integrated maintenance features of hydro generator excitation system." In 2008 3rd IEEE Conference on Industrial Electronics and Applications. IEEE, 2008. http://dx.doi.org/10.1109/iciea.2008.4582917.

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Xiao Jian-mei, Zheng Tian-fu, and Wang Xi-huai. "Nonlinear robust coordinated control of generator excitation system." In 2008 Chinese Control and Decision Conference (CCDC). IEEE, 2008. http://dx.doi.org/10.1109/ccdc.2008.4597881.

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Reports on the topic "Generator Excitation System"

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Khan, Asad, Angeli Jayme, Imad Al-Qadi, and Gregary Renshaw. Embedded Energy Harvesting Modules in Flexible Pavements. Illinois Center for Transportation, 2024. http://dx.doi.org/10.36501/0197-9191/24-008.

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Abstract:
Energy from pavements can be harvested in multiple ways to produce clean energy. One of the techniques is electromagnetic energy harvesting, in which mechanical energy from vehicles is captured in the form of input displacement to produce electricity. In this study, a rack-and-pinion electromagnetic energy harvester proposed in the literature as a speed bump is optimized for highway-speed vehicles. A displacement transfer plate is also proposed, with a minimum depth of embedment in the pavement to carry input displacements from passing vehicles and excite the energy harvester. The energy harvester was designed, and kinematic modeling was carried out to establish power–output relations as a function of rack velocity. Sensitivity analysis of various parameters indicated that, for high-speed applications where rack velocities are relatively high, small input excitations could be harnessed to achieve the rated revolutions per minute (RPM) of the generator. A set of laboratory tests was conducted to validate the kinematic model, and a good correlation was observed between measured and predicted voltages. Dynamic modeling of the plate was done for both recovery and compression to obtain the plate and rack velocities. Using Monte Carlo simulation, the plate was designed for a class-9 truck with wide-base tires moving at 128 km/h. Design and layout of the energy harvester with a displacement transfer plate was proposed for field validation. The energy harvester with the displacement plate could be integrated with transverse rumble strips in construction zones and near diversions. Hence, it could be used as a standalone system to power roadside applications such as safety signs, road lights, speed cameras, and vehicle-to-infrastructure (V2I) systems.
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