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Robust decentralized control of power systems through excitation systems and thyristor controlled series capacitorsFan, Lingling, January 2001 (has links)
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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Dynamische Kurzschlussstrombegrenzung auf Basis eines sechspulsigen ThyristorgleichrichtersRubenbauer, Hubert January 2007 (has links)
Zugl.: Erlangen, Nürnberg, Univ., Diss., 2007
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[en] MODELLING OF THYRISTOR CONTROLLED REACTORS TO SIMULATE TRANSIENTS USING THE EMTP PROGRAM / [pt] MODELAGEM DE REATORES CONTROLADOS POR TIRISTORES PARA SIMULAÇÃO DE TRANSITÓRIOS ELETROMAGNÉTICOS NO PROGRAMA EMTPMARCIO ANTONIO GUEDES DRUMMOND 09 October 2009 (has links)
[pt] A modelagem de máquinas e equipamentos elétricos para estudos de transitórios eletromagnéticos, tem sido bastante discutida na literatura técnica.
O reator controlado por tiristores é um equipamento cuja utilização em sistemas de extra alta tensão é relativamente recente. Portanto, poucas e esparsas informações podem ser encontradas sobre seu funcionamento e modelagem.
Esta dissertação apresenta a simulação ciclo deste equipamento.
A teoria básica de funcionamento do reator controlado por tiristores é inicialmente apresentada de um modo compacto e organizado.
Os diversos tipos fornecidos pelos fabricantes são classificados.
O desenvolvimento de um modelo em computador digital para o reator controlado por tiristores para estudos de transitórios eletromagnéticos é apresentado.
Sua implementação no programa digital EMTP da BPA é mostrada detalhadamente.
O modelo é submetido à testes de simulação cujos resultados são analisados e explicados extensivamente. / [en] The electrical machines and equipament modelling in the Electromagnetic transient studies, have been extensively discussed in the technical literature.
The utilization of the thyristor controlled reator in EHV Systems is relatively recent. Therefore, few and sparse information can be found on its operation and modelling.
This dessertation presents the development and the implementation of a model for the cycle by cycle simulation of this equipment.
The basic theory of the thyristor controlled reactor is initially presented in a compact and organized way.
The development of a digital computer model for the thyristor controlled reactor for the electromagnetic studies is presented.
Its implementation in the EMTP digital programa of BPA is showed in a detailed way.
The model is tested and the results are analysed and extensively explained.
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A current limit control for a chopper-fed D-C motor by using a KIM-1 microcomputerShih, Chih-Shyong January 2011 (has links)
Typescript (photocopy). / Digitized by Kansas Correctional Industries
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Control and operation of high-performance thyristor-controlled-reactor(TCR) compensators何沛德, Ho, Pui-tak. January 1988 (has links)
published_or_final_version / Electrical and Electronic Engineering / Doctoral / Doctor of Philosophy
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Conception et optimisation de thyristors optiques en carbure de silicium pour des applications d'électronique impulsionnelle / Design and optimization of light triggered thyristor in silicon carbide for pulse power applicationsDheilly, Nicolas 14 January 2011 (has links)
L'Institut franco-allemand de recherche de Saint-Louis (ISL) développe des alimentations de forte puissance pour des applications d'électronique impulsionnelle. En vue de réduire les pertes, l'encombrement et le poids de ces systèmes, des thyristors en carbure de silicium pourraient à l'avenir remplacer les interrupteurs en silicium actuels. C'est dans le cadre de la collaboration entre le laboratoire Ampère et l'ISL que s'inscrit cette thèse sur ce thème de recherche. Les propriétés physiques du carbure de silicium et les composants réalisés par différents laboratoires universitaires et industriels ont démontré les aptitudes de ce matériau pour les fortes puissances. Le travail réalisé au cours de cette thèse a permis de concevoir de réaliser et de caractériser des thyristors optiques en carbure de silicium. Dans un premier temps, le travail de conception, basé sur des simulations éléments finis, a permis d'optimiser deux protections périphériques, la JTE multiple gravée et la JTE assistée par anneaux gravée, toutes deux robustes vis à vis des incertitudes technologiques sur la gravure, et ayant la particularité de ne pas recourir à l'implantation ionique. Deux séries de thyristors optiques ont ainsi été fabriquées. Le premier lot avait pour but de valider la faisabilité du déclenchement optique de thyristor avec des diodes électroluminescentes UV. Le deuxième lot a permis de mettre en œuvre la JTE assistée par anneaux. Une tenue en tension maximale de 6,3 kV a été mesurée sur ces thyristors. Ces composants sont aussi destinés à évaluer les possibilités en termes d'impulsion de courant des thyristors SiC. A ce titre, deux premières caractérisations ont été effectuées et les dispositifs ont été capables de passer un courant crête de 156 A (soit une densité de courant de 15,6 kA.cm-2) sur une impulsion de 10 μs de large et 40 A (4 kA.cm-2) sur une impulsion de 650 microsecondes de large. Ces résultats montrent une progression significative par rapport aux précédents travaux réalisés sur le thyristor SiC au laboratoire. Ils valident également la bonne stabilité de la technologie de fabrication de l'ISL (gravure, contact ohmique). Cependant, le rendement de fabrication devra être amélioré par le travail mené actuellement par l'ISL, sur la passivation des composants. / In order to reduce the losses, the weight and the volume of the power supply of its pulse power systems, the French German research institute of Saint-Louis (ISL) intends to replace the currently used silicon switches by silicon carbide thyristors. This work, in the frame of the collaboration between Ampere laboratory and ISL, deals with the design the fabrication and the characterization of light triggered thyristors in silicon carbide. In the first place, two device terminations, the graded etched JTE and the guard ring assisted etched JTE, have been optimized using finite element simulation. These two structures are tolerant to technological uncertainties and don’t need ion implantation. Two series of light triggered thyristors were also fabricated. Concerning the first run, the light triggering of SiC thyristor with UV light-emitting diodes was demonstrated. The guard ring assisted etched JTE was tested on the second run. The best blocking voltage measured on devices with this termination was 6.3 kV. These devices also aim at assessing the pulse current capabilities of silicon carbide thyristors. To this end, two characterizations were performed and a peak current of 156 A (15.6 kA/cm2) was reached with a pulse width of 10 IJS and 40 A (4 kA/cm2) with a pulse width of 650 IJS. These results show a significant progress compared to previous achievements of the laboratory on silicon carbide thyristor. They also validate the good stability of the fabrication technology of the ISL cleanroom (Etching process, ohm le contact). However, the fabrication yield needs to be improved by the optimization of the device passivation, which is currently under progress at ISL.
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Study of microprocessor application to thyristor phase-controlled excitation systems /Ho, Pui-tak. January 1980 (has links)
Thesis--M. Phil., University of Hong Kong.
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Study of microprocessor application to thyristor phase-controlled excitation systems何沛德, Ho, Pui-tak. January 1980 (has links)
published_or_final_version / Electrical and Electronic Engineering / Master / Master of Philosophy
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Thyristorgesteuerter Zwischenphasenregler zur Optimierung des stationären und dynamischen Betriebes elektrischer Energieversorgungsnetze /Ebner, Günter. January 2007 (has links)
Zugl.: Erlangen, Nürnberg, Universiẗat, Diss., 2007.
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Current impulse displacement thyristor commutation /Williams, Barry Wayne. January 1978 (has links) (PDF)
Thesis (M.Eng.Sc. 1979) from the Department of Electrical Engineering, University of Adelaide.
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