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Dissertations / Theses on the topic 'Power System Stabilizer (PSS)'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

Mensah, Kwaku Sarpong. "Improving Stability of Ghana's Power System Using Power System Stabiliser(PSS)." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-12884.

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Stability of a power system is vital for its reliable operation and maintaining system stability has been a big challenge for engineers over the years. One way of improving system stability is the use of power system stabiliser (PSS). Its main function is to add damping to the generator rotor oscillation by modulating the generator excitation so as to develop a component of electrical torque in phase with the rotor speed deviation. In Ghana, two power stations have their generators equipped with PSS but none of the PSS are activated. The main objective of this study is to assess how the stabi
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2

Sanchez, Ayala Gerardo. "Centralized Control of Power System Stabilizers." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/51754.

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This study takes advantage of wide area measurements to propose a centralized nonlinear controller that acts on power system stabilizers, to cooperatively increase the damping of problematic small signal oscillations all over the system. The structure based on decision trees results in a simple, efficient, and dependable methodology that imposes much less computational burden than other nonlinear design approaches, making it a promising candidate for actual implementation by utilities and system operators. Details are given to utilize existing stabilizers while causing minimum changes to the e
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Tiako, Remy. "Optimal design of power system stabilizer (PPS) using multi-power flow conditions." Master's thesis, University of Cape Town, 2007. http://hdl.handle.net/11427/5096.

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4

Abhyankar, Shounak. "Application of wide area frequency information from FNET to Power System Stabilizer (PSS) a thesis presented to the faculty of the Graduate School, Tennessee Technological University /." Click to access online, 2009. http://proquest.umi.com/pqdweb?index=0&did=2000377691&SrchMode=1&sid=4&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1277473349&clientId=28564.

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5

Ahmed, Sheikh. "PMU based PSS and SVC fuzzy controller design for angular stability analysis." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/20547.

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Master of Science<br>Department of Electrical and Computer Engineering<br>Shelli Starrett<br>Variability in power systems is increasing due to pushing the system to limits for economic purposes, the inclusion of new energy sources like wind turbines and photovoltaic, and the introduction of new types of loads such as electric vehicle chargers. In this new environment, system monitoring and control must keep pace to insure system stability and reliability on a wide area scale. Phasor measurement unit technology implementation is growing and can be used to provide input signals to new types of
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6

Wu, Zhongyu. "Wide Area Analysis and Application in Power System." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/36427.

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Frequency monitoring network (FNET) is an Internet based GPS synchronized wide-area frequency monitoring network deployed at distribution level. At first part of this thesis, FNET structure and characteristics are introduced. After analysis and smoothing FDR signals, the algorithm of event trigger is present with Visual C++ DLL programming. Estimation of disturbance location method is discussed based on the time delay of arriving (TDOA) in the second part of this work. In this section, author shows the multiply method to calculate event time, which is important when deal with pre-disturbance
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7

Costa, Filho Raimundo Nonato Diniz. "ANÁLISE TÉCNICO-ECONÔMICA DO IMPACTO DOS PSS E CONTROLADORES FACTS NA ESTABILIDADE ELETROMECÂNICA DE SISTEMAS DE ENERGIA ELÉTRICA." Universidade Federal do Maranhão, 2014. http://tedebc.ufma.br:8080/jspui/handle/tede/512.

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Made available in DSpace on 2016-08-17T14:53:27Z (GMT). No. of bitstreams: 1 Dissertacao Raimundo Nonato Diniz.pdf: 3599082 bytes, checksum: 5e6a5df5d6046a848205e71a3d63c95f (MD5) Previous issue date: 2014-02-21<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In this work the influence of FACTS (Flexible AC Transmission Systems) Controllers and power system stabilizers (PSS) on electromechanical stability of electrical power systems (EPS) is analyzed considering their technical and economic impact in the operation and planning. FACTS Controllers most employees in practica
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Carbonera, Luis Felipe Bianchi. "Comparação de funções objetivo para seleção de PSS pelo amortecimento de oscilações em sistemas multimáquinas." Universidade Federal de Santa Maria, 2015. http://repositorio.ufsm.br/handle/1/8575.

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Small disturbances occur continuously in electrical systems mainly due to load and generation variations. This ends up causing low frequency voltage fluctuations that are usually observed in systems whose lines have weak connections. In addition to damaging loads connected to the same bus, they can even damage equipment and incurring in costs to the energy distributors. Moreover, such oscillations can resonate with the system parameters and cause a general collapse in energy supplies. In the literature, there are methods for the development of stabilizers for power systems that are implemented
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9

Borges, Rafael Cruz. "Um algoritmo para sintonia de controladores robustos para amortecimento de modos intra-planta em sistemas de potência." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18154/tde-10082009-114735/.

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O problema de modos intra-planta em sistemas de potência é caracterizado pela oscilação dos geradores de uma mesma usina uns contra os outros. Estes modos são geralmente bem amortecidos, mas uma sintonia inadequada dos parâmetros dos PSSs (Power System Stabilizers), visando fornecer um amortecimento aos modos locais, por exemplo, pode reduzir o amortecimento dos modos intra-planta. Esta possibilidade pode ser evitada por uma sintonia cuidadosa dos estabilizadores, em um modelo que seja capaz de representar os modos intra-planta. Este processo de sintonia pode ser tedioso e demorado, exigindo m
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10

Tai-Cheng, Yang. "Power system stabilizer design." Thesis, University of Manchester, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245278.

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11

Mallem, Badis. "Modélisation, analyse et commande des grands systèmes électriques interconnectés." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2010. http://tel.archives-ouvertes.fr/tel-00557829.

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Cette thèse porte sur la modélisation, la réduction et la commande des grands systèmes électriques.En terme de modélisation et de réduction, l'objectif principal est de développer une méthode de réduction des modèles dynamiques des systèmes électriques. Cette réduction a pour objet de répondre à une situation particulière dans laquelle toutes les données du système à réduire ne sont pas connues.En terme de commande, l'objectif est la conception de commandes robustes coordonnées pour répondre aux nouvelles contraintes des grands systèmes électriques. Ces approches doivent respecter trois niveau
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12

Shamsollahi, Payman. "Neural adaptive power system stabilizer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24562.pdf.

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13

Soos, Antal. "An optimal adaptive power system stabilizer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0027/MQ31404.pdf.

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14

Hammer, Anders. "Analysis of IEEE Power System Stabilizer Models." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-14035.

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Student:Anders HammerSupervisor:Kjetil UhlenContact:Daniel MotaCollaboration with:Voith HydroProblem descriptionIEEE (Institute of Electrical and Electronics Engineers) presented in 2005 a new PSS structure named IEEE PSS4B (Figure 0 1). Voith Hydro wants to analyse the pros and cons of using this new type compared to older structures. The PSS4B is a multi-band stabilizer that has three separate bands and is specially designed to handle different oscillation frequencies in a wide range. Until now, Voith Hydro has used the common PSS2B in their installations, but in the future they will probabl
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15

Hariri, Ali. "An adaptive fuzzy logic power system stabilizer." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq20741.pdf.

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16

Chen, Lian. "A novel method for power system stabilizer design." Doctoral thesis, University of Cape Town, 2003. http://hdl.handle.net/11427/5261.

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Word processed copy.<br>Includes bibliographies.<br>Power system stability is defined as the condition of a power system that enables it to remain in a state of operating equilibrium under normal operating conditions and to regain an acceptable state of equilibrium after being subjected to a finite disturbance. In the evaluation of stability, the focus is on the behavior of the power system when subjected to both large and small disturbances. Large disturbances are caused by severe changes in the power system, e.g. a short-circuit on a transmission line, loss of a large generator or load, loss
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17

Behbehani, Hussain M. "Enhancement of power system stability using fuzzy logic based supervisory power system stabilizer." Thesis, University of Edinburgh, 2008. http://hdl.handle.net/1842/10778.

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Maintaining power system stability has become a challenging task for engineers. A consequence of such factors is that power system damping of electro-mechanical oscillations is often reduced which could sometimes destabilise the power systems if the electro-mechanical oscillations are poorly/lightly damped. Decentralised power system stabilisers are often used to increase damping of local oscillation modes and to some extent to increase damping of inter-area oscillation modes. However, damping of inter-area oscillations modes by the local PSS is not quite effective as for local oscillation mod
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18

He, Jian. "Adaptive power system stabilizer based on recurrent neural network." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0008/NQ38471.pdf.

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19

Mulumba, Tshina Fa. "Application of differential evolution to power system stabilizer design." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/12026.

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Includes synopsis.<br>Includes bibliographical references.<br>In recent years, many Evolutionary Algorithms (EAs) such as Genetic Algorithms (GAs) have been proposed to optimally tune the parameters of the PSS. GAs are population based search methods inspired by the mechanism of evolution and natural genetic. Despite the fact that GAs are robust and have given promising results in many applications, they still have some drawbacks. Some of these drawbacks are related to the problem of genetic drift in GA which restricts the diversity in the population. ... To cope with the above mentioned drawb
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20

Singh, Ravindra. "A Novel Approach for Tuning of Power System Stabilizer Using Genetic Algorithm." Thesis, Indian Institute of Science, 2004. https://etd.iisc.ac.in/handle/2005/3913.

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The problem of dynamic stability of power system has challenged power system engineers since over three decades now. In a generator, the electromechanical coupling between the rotor and the rest of the system causes it to behave in a manner similar to a spring mass damper system, which exhibits an oscillatory behaviour around the equilibrium state, following any disturbance, such as sudden change in loads, change in transmission line parameters, fluctuations in the output of turbine and faults etc. The use of fast acting high gain AVRs and evolution of large interconnected power systems with t
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Singh, Ravindra. "A Novel Approach for Tuning of Power System Stabilizer Using Genetic Algorithm." Thesis, Indian Institute of Science, 2004. http://hdl.handle.net/2005/65.

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The problem of dynamic stability of power system has challenged power system engineers since over three decades now. In a generator, the electromechanical coupling between the rotor and the rest of the system causes it to behave in a manner similar to a spring mass damper system, which exhibits an oscillatory behaviour around the equilibrium state, following any disturbance, such as sudden change in loads, change in transmission line parameters, fluctuations in the output of turbine and faults etc. The use of fast acting high gain AVRs and evolution of large interconnected power systems with t
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22

Fourie, Gert. "Power system stabilizer and controlled series capacitor small-signal stability performance analysis." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/53013.

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Thesis (MScEng)--University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: This thesis presents results of a study on the small-signal stability of a single-machine infinite-bus power system. Conditions of generator loading and network impedance are identified that require additional stability support. Two methods of stability enhancement are investigated, namely the power system stabilizer and the controlled series capacitor. Both stabilizers employ the conventional (classic) control structure, and parameters are evaluated for optimum performance using an integral-of-the-squared-error-base
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23

ALBUQUERQUE, MARCOS ANTONIO. "DYNAMIC AGGREGATION OF DUAL-INPUT POWER SYSTEM STABILIZER MODELS TO CALCULATE DYNAMIC EQUIVALENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2002. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=3278@1.

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FURNAS CENTRAIS ELÉTRICAS S.A<br>Esta dissertação trata do problema da agregação dinâmica de modelos de estabilizadores com dupla entrada, aplicados em reguladores de tensão de unidades geradoras coerentes, visando o cálculo de equivalentes dinâmicos precisos para estudos de estabilidade transitória de sistemas de energia elétrica. A metodologia utilizada para o cálculo de equivalentes dinâmicos é baseada em coerência de geradores, e apresenta três etapas básicas: a identificação de unidades geradoras coerentes, a redução estática da rede externa, e a agregação dinâmica dos geradores d
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24

Hrag, Margossian. "VALIDATION OF THE PSS/E MODEL FOR THE GOTLAND NETWORKR." Thesis, KTH, Elektriska energisystem, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-119577.

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The aim of the project is to revise the load flow and dynamic PSS/E models of the Gotland network and validate them against a set of measurements collected during a major disturbance, a three phase short circuit in the 70 kV system. The main task in revising the model is to convert the induction machine models of the wind turbines into user and manufacturer wind turbine models. The validation of the model is divided into two phases. The first is to use the measurements as well as some assumptions on the wind power generation and load distribution from the time of the fault to validate the dyna
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25

Delport, Jacques. "Synchronized Measurement of Machine Rotor Angle and Its Application." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/51242.

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The internal voltage angle of a generator is an important parameter that indicates the stability, both transient and steady-state, of the generator. This paper proposes a method of measuring and synchronizing the internal angle using a microprocessor and an optical encoder installed on the shaft of a generator. With a synchronized angle measurement, accurate stability studies and wide-area controls can be implemented. The experimental setup for measuring the rotor angle of a generator is explained in this work. A wide-area power system stabilizer implementing the synchronized angle measurement
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26

SOUZA, FABIO LUIZ DE. "DYNAMIC AGGREGATION OF POWER SYSTEM STABILIZER MODELS APPLIED IN VOLTAGE REGULATORS AND CALCULATION OF DYNAMIC EQUIVALENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1999. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=7314@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>O cálculo de equivalentes dinâmicos baseados em coerência apresenta três etapas básicas: a identificação de geradores coerentes, a redução estática da rede e a agregação dinâmica dos modelos das unidades geradoras coerentes. Esta dissertação trata do problema da agregação dinâmica de modelos de estabilizadores aplicados em reguladores de tensão de geradores coerentes, visando o cálculo de equivalentes dinâmicos precisos para estudos de estabilidade transitória de sistemas de energia elétrica. A determinação de um critéri
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27

Eriksson, Joel, and Englund Simon Gozdz. "Wind Power and Its Impact on the Moldovan Electrical System." Thesis, Uppsala universitet, Elektricitetslära, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-173725.

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The master thesis project has been executed with the cooperation of Borlänge Energi, with the aim of reducing the high electric energy dependency which Moldova has on Ukraine, Transnistria and Russia. The project examines what reduction that would be possible by wind power installations on the existing electrical grid of Moldova. The installations should not surpass the capacity of the transmission lines or the voltage levels according to regulation. The southern regions of Moldova proved to have the best wind conditions and the locations of Besarabeasca, Zarnesti, Leovo, Ciadyr and Cimislia i
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28

Andersson, Stefan, and Andreas Johansson. "Tillämpning av effektstabilisering i PLC." Thesis, Karlstad University, Faculty of Technology and Science, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-1717.

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<p>Syftet med examensarbetet är att digitalt tillämpa en stabilisering av pendlingar i den aktiva effekten hos en synkrongenerator för vattenkraft kopplad till ett distributionsnät.</p><p>Implementeringen är tänkt att ske i en PLC som redan hanterar andra delar av magnetiseringen.</p><p>Effektstabiliseringen görs genom att en motverkande styrsignal skickas till magnetiseringsutrustningen vilken i sin tur påverkar generatorns uteffekt. Denna motverkande styrsignal kan tas fram på olika sätt.</p><p>Två modeller, av IEEE standardiserade, för effektstabilisering undersöks, PSS1A och PSS2B.</p><p>E
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29

Gianto, Rudy. "Coordination of power system controllers for optimal damping of electromechanical oscillations." University of Western Australia. School of Electrical, Electronic and Computer Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2009.0056.

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This thesis is devoted to the development of new approaches for control coordination of PSSs (power system stabilisers) and FACTS (flexible alternating current transmission system) devices for achieving and enhancing small-disturbance stability in multi-machine power systems. The key objectives of the research reported in the thesis are, through optimal control coordination of PSSs and/or FACTS devices, those of maintaining satisfactory power oscillation damping and secure system operation when the power system is subject to persisting disturbances in the form of load demand fluctuations and s
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30

Taddia, Antonio. "Analisi modale per lo studio della stabilità alle piccole oscillazioni nei sistemi elettrici di potenza." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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La tesi affronta il tema della stabilità dei sistemi elettrici di potenza, in particolare concentrandosi sullo studio della stabilità alle piccole oscillazioni e sul ruolo che i modi oscillatori elettromeccanici giocano in essa. Lo strumento principe per tale studio è l’analisi modale del sistema, che in questa tesi viene effettuata tramite il toolbox per MATLAB “Power System Toolbox” (PST). Oltre all’analisi dei modi di oscillazione, questo pacchetto di funzioni permette di eseguire simulazioni nel tempo dei sistemi in esame, per poterne osservare il comportamento in seguito a guasti o a part
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31

Ekstrand, Christian, and Farsad Mansori. "Stability Related Issues for High Wind Power Penetration : Exploring possibilities to enhance grid stability from synthetic inertia in a future scenario." Thesis, Linnéuniversitetet, Institutionen för fysik och elektroteknik (IFE), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-96442.

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The future global energy transition favour renewables such as wind power, which is predicted to be one of the predominant sources harvesting abundant amounts of energy onwards. Consequently, causing several conventional synchronous generators to be decommissioned in a near future to achieve an overall reduction in greenhouse gases related to electricity generation. However, this evolution comes with new challenges regarding power system stability that could jeopardize the reliability of the grid as we today know it. Therefore, this thesis will examine how high penetrations of wind power are im
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Kook, Kyung Soo Soo. "Dynamic Model Based Novel Findings in Power Systems Analysis and Frequency Measurement Verification." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/27761.

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This study selects several new advanced topics in power systems, and verifies their usefulness using the simulation. In the study on ratio of the equivalent reactance and resistance of the bulk power systems, the simulation results give us the more correct value of X/R of the bulk power system, which can explain why the active power compensation is also important in voltage flicker mitigation. In the application study of the Energy Storage System(ESS) to the wind power, the new model implementation of the ESS connected to the wind power is proposed, and the control effect of ESS to the intermi
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Tomaszewski, Michal. "Reactive power management capabilities of Swedish sub-transmission and medium voltage level grid." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240411.

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Rising penetration of renewable energy sources in electric power grids isboth a challenge and an opportunity to optimally utilize the potential of eitherwind or PV energy sources, to stabilize operation of future power systems.Bi-directional ows between distribution and transmission system operatorscause signicant problems with keeping the voltages in the grid within admissiblelimits. This paper contains description of Oland's island mediumandlow-voltage electric power grid, ranging from 0.4 kV to 130 kV in thepurpose of quasi-static analysis of active and reactive power ows in the system.Goal
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Zanchin, Volnei Tonin. "Projetos de controladores para sistemas de potência utilizando LMI'S." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2003. http://hdl.handle.net/10183/6000.

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A presente dissertação tem como objetivo estudar e aprimorar métodos de projetos de controladores para sistemas de potência, sendo que esse trabalho trata da estabilidade dinâmica de sistemas de potência e, portanto, do projeto de controladores amortecedores de oscilações eletromecânicas para esses sistemas. A escolha dos métodos aqui estudados foi orientada pelos requisitos que um estabilizador de sistemas de potência (ESP) deve ter, que são robustez, descentralização e coordenação. Sendo que alguns deles tiveram suas características aprimoradas para atender a esses requisitos. A abordagem do
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Sochor, Tomáš. "Návrh systému chránění distribuční sítě VN." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-400597.

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The master´s thesis deals with the design of medium voltage power line protection and the calculation of reliability indicators. First, it deals with the possibilities of power system operation. Subsequently, it divides the networks according to the grounding of the transformer node and the switching elements and devices occurring in the MV distribution network are mentioned. It presents the basic classification of power line protection and its use, especially it focuses on overhead and cable MV power lines. It also discusses the reliability of the power supply and lists the basic reliability
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Sohn, Alexandre Prodóssimo. "Estudos de estabilidade de sistemas elétricos de potência na presença de diferentes modelos de unidades eólicas." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/18/18154/tde-18032014-132419/.

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Diante da crescente penetração da energia elétrica gerada por unidades eólicas no sistema elétrico de inúmeros países, a presente dissertação de mestrado investiga os problemas de estabilidade transitória, para geradores síncronos, de estabilidade de tensão, para geradores síncronos e aerogeradores e de estabilidade de velocidade, para aerogeradores, em sistemas de transmissão de energia elétrica, frente a grandes perturbações. São estabelecidas comparações entre os diferentes comportamentos dinâmicos de cada tipo de unidade eólica, referentes aos tipos A, B, C e D. Também, são verificados os
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JÃnior, Josà Nilo Rodrigues da Silva. "Sintonia Ãtima de Regulador AutomÃtico de TensÃo e Estabilizador de Sistema de PotÃncia Utilizando Algoritmo de OtimizaÃÃo por Enxame de PartÃculas." Universidade Federal do CearÃ, 2012. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=8831.

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nÃo hÃ<br>Este trabalho apresenta a aplicaÃÃo do algoritmo de OtimizaÃÃo por Enxame de PartÃculas (PSO â Particle Swarm Optimization) para sintonia Ãtima de controladores associados à regulaÃÃo de tensÃo e ao aumento do amortecimento de geradores sÃncronos utilizados em plantas termelÃtricas de ciclo combinado. Para representaÃÃo matemÃtica do gerador sÃncrono, utiliza-se o modelo linearizado de terceira ordem do sistema mÃquina conectada a uma barra infinita, vÃlido para estudos de estabilidade a pequenos sinais. Os parÃmetros do regulador automÃtico de tensÃo (AVR â Automatic Voltage Regulat
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Munukuntla, Sowmya. "Sensitivity Analysis of Synchronous Generators for Real-Time Simulation." ScholarWorks@UNO, 2016. http://scholarworks.uno.edu/td/2172.

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The purpose of this thesis is to validate generator models for dynamic studies of power systems using PSS/E (Power System Simulator for Engineering), EMTP (ElectroMagnetic Transient Program), and Hypersim. To thoroughly evaluate the behavior of a power system in the three specified software packages, it is necessary to have an accurate model for the power system, especially the generator which is of interest. The effect of generator modeling on system response under normal conditions and under faulted conditions is investigated in this work. A methodology based on sensitivity analysis of gener
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39

Rajak, Suman Kumar. "Design of Power System Stabilizer (PSS) for small signal stability analysis of Power system." Thesis, 2017. http://ethesis.nitrkl.ac.in/8905/1/2017_MT_SKRajak.pdf.

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The modern power system is large network consisting of various types of interconnected electrical components. The main intention of installing such components is to produce and deliver with optimum efficiency and uninterruptedly. Now along with electrical components their also present fast behaving electronic components like components present in excitation system of alternator. This leads to mechanical & electrical resonances end up with oscillations in the network. This low frequency oscillations or often referred as small signal disturbances is to be reduced in order to get better overall p
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40

Gurrala, Gurunath. "Power System Stabilizing Controllers - Multi-Machine Systems." Thesis, 2010. https://etd.iisc.ac.in/handle/2005/1986.

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Electrical Power System is one of the most complex real time operating systems. It is probably one of the best examples of a large interconnected nonlinear system of varying nature. The system needs to be operated and controlled with component or system problems, often with combinatorial complexity. In addition, time scales of operation and control can vary from milliseconds to minutes to hours. It is difficult to maintain such a system at constant operating condition due to both small and large disturbances such as sudden change in loads, change in network configuration, fluctuations in turbi
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41

Gurrala, Gurunath. "Power System Stabilizing Controllers - Multi-Machine Systems." Thesis, 2010. http://etd.iisc.ernet.in/handle/2005/1986.

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Electrical Power System is one of the most complex real time operating systems. It is probably one of the best examples of a large interconnected nonlinear system of varying nature. The system needs to be operated and controlled with component or system problems, often with combinatorial complexity. In addition, time scales of operation and control can vary from milliseconds to minutes to hours. It is difficult to maintain such a system at constant operating condition due to both small and large disturbances such as sudden change in loads, change in network configuration, fluctuations in turbi
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42

Ajit, Kumar *. "Design Of Robust Power System Damping Controllers For Interconnected Power Systems." Thesis, 2010. https://etd.iisc.ac.in/handle/2005/1653.

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Small signal oscillation has been always a major concern in the operation of power systems. In a generator, the electromechanical coupling between the rotor and the rest of the system causes it to behave in a manner similar to a spring mass damper system, which exhibits an oscillatory behaviour around the equilibrium state, following any disturbance, such as sudden change in loads, fluctuations in the output of turbine and faults etc. The use of fast acting high gain AVRs and evolution of large interconnected power systems with transfer of bulk power across weak transmission links have further
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43

Ajit, Kumar *. "Design Of Robust Power System Damping Controllers For Interconnected Power Systems." Thesis, 2010. http://etd.iisc.ernet.in/handle/2005/1653.

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Small signal oscillation has been always a major concern in the operation of power systems. In a generator, the electromechanical coupling between the rotor and the rest of the system causes it to behave in a manner similar to a spring mass damper system, which exhibits an oscillatory behaviour around the equilibrium state, following any disturbance, such as sudden change in loads, fluctuations in the output of turbine and faults etc. The use of fast acting high gain AVRs and evolution of large interconnected power systems with transfer of bulk power across weak transmission links have further
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44

Φωτόπουλος, Ευριπίδης. "Έλεγχος μεταβατικής ευστάθειας συστήματος ισχύος". Thesis, 2009. http://nemertes.lis.upatras.gr/jspui/handle/10889/3866.

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Η παρούσα διπλωματική εργασία έχει ως στόχο την αντιμετώπιση των ηλεκτρομηχανικών ταλαντώσεων οι οποίες εμφανίζονται σε μία σύγχρονη γεννήτρια παραγωγής Ηλεκτρικής Ενέργειας μετά από διαταραχές. Ο συμβατικός έλεγχος για τη διατήρηση της μηχανής σε συγχρονισμό μετά από ξαφνικές αλλαγές φορτίου, βραχυκυκλωμάτων, κλείσιμο διακοπτών ή οποιασδήποτε κατάστασης που μπορεί να προκαλέσει αστάθεια στο Σύστημα της Ηλεκτρικής Ενέργειας, γίνεται με χρήση ελεγκτικών διατάξεων Σταθεροποιητών Συστημάτων Ισχύος σε συνδυασμό με τον Αυτόματο Ρυθμιστή Τάσης (ΑΡΤ/ΣΣΙ). Σκοπός της εργασίας αυτής είναι
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45

Moodley, Devandren. "Robust power system stabilizer design." Thesis, 2002. http://hdl.handle.net/10413/4785.

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This thesis investigates the design of damping controllers to alleviate the problem of low frequency electro-mechanical oscillations in power systems. The operating point and network parameters of power systems are continually changing, resulting in changes in system dynamics. The conventional controller design methodology has therefore come under increasing scrutiny for its lack of considerations for robustness. The thesis first outlines the conventional design of a power system stabilizer (PSS) and then applies two robust techniques (Hoo and Quantitative Feedback Theory, QFT) to the design p
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46

Panicker, K. S. Mohanachandra. "Microprocesser based power system stabilizer." Thesis, 1986. http://localhost:8080/xmlui/handle/12345678/5394.

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47

Swain, Ashit Kumar, Arya Kumar Swagat Ranjan Swain, and Abinash Mohapatra. "Design of Power System Stabilizer." Thesis, 2012. http://ethesis.nitrkl.ac.in/3683/1/DESIGN_OF_POWER_SYSTEM_STABILIZER.pdf.

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A power system stabilizer (PSS) installed in the excitation system of the synchronous generator improves the small-signal power system stability by damping out low frequency oscillations in the power system. It does that by providing supplementary perturbation signals in a feedback path to the alternator excitation system. In our project we review different conventional PSS design (CPSS) techniques along with modern adaptive neuro-fuzzy design techniques. We adapt a linearized single-machine infinite bus model for design and simulation of the CPSS and the voltage regulator (AVR). We use 3 di
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Ψυλλάκης, Χαράλαμπος. "Κριτήρια ενεργειακής ισορροπίας και νέες τεχνικές προηγμένου ελέγχου στη διαχείρηση συστημάτων ηλεκτρικής ενέργειας". Thesis, 2006. http://nemertes.lis.upatras.gr/jspui/handle/10889/1406.

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-<br>In this thesis new advanced nonlinear control methods that solve the power system stabilization problem in a more efficient and integrated manner are considered. The proposed methods mainly concern with the primary level control of a power system that plays a central role in maintaining transient stability and obtaining a desired system performance. To this end, several new nonlinear control schemes mainly applicable on power system stabilizers (PSS) have been designed and extensively analyzed. For a theoretical assessment of the system operation the concepts of passivity and passivity m
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Huang, Chia-Yang, and 黃家揚. "Variable Structure Power System Stabilizer Design." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/17752889008251149326.

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碩士<br>國立臺北教育大學<br>資訊科學系碩士班<br>101<br>As technology advances, the demand for electricity is increased and the scale of the power system continues to expand. The system state is also becoming increasingly complicated. In many challenges of the power system, one of the most important issues is “power system stability”. Power system stabilizers (PSSs) have been extensively used to improve the transient stability of generator in power system. This thesis proposes an approach of variable structure control method to design the power system stabilizers. First, we use the optimal reduced models to redu
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50

Jackson, Gregory A. "Design of an adaptive power system stabilizer." 2007. http://hdl.handle.net/1993/319.

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Modern power networks are being driven ever closer to both their physical and operational limits. As a result, control systems are being increasingly relied on to assure satisfactory system performance. Power system stabilizers (PSSs) are one example of such controllers. Their purpose is to increase system damping and they are typically designed using a model of the network that is valid during nominal operating conditions. The limitation of this design approach is that during off-nominal operating conditions, such as those triggered by daily load fluctuations, performance of the controlle
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