Relevant bibliographies by topics / Power system optimization models / Dissertations / Theses
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Dissertations / Theses on the topic 'Power system optimization models'

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Published: 4 June 2021
Last updated: 7 February 2022

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1

Zhu, Huiyu. "New Multi-Phase Diode Rectifier Average Models for AC and DC Power System Studies." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/30188.

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More power semiconductors are applying to the aircraft power system to make the system smaller, lighter and more reliable. Average models provide a good solution to system simulation and can also serve as the basis to derive the small signal model for system-level study using linear control theory. A new average modeling approach for three-phase and nine-phase diode rectifiers with improved ac and dc dynamics is proposed in this dissertation. The key assumption is to model the load current using its first-order Taylor Series expansion throughout the entire averaging time span. A thorough compa
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2

Song, Shuaiwen. "Power, Performance and Energy Models and Systems for Emergent Architectures." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/19316.

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Massive parallelism combined with complex memory hierarchies and heterogeneity in high-performance computing (HPC) systems form a barrier to efficient application and architecture design. The performance achievements of the past must continue over the next decade to address the needs of scientific simulations. However, building an exascale system by 2022 that uses less than 20 megawatts will require significant innovations in power and performance efficiency.<br />    A key limitation of past approaches is a lack of power-performance policies allowing users to quantitatively bound the effects
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3

Yuan, Wei. "Reliable Power System Planning and Operations through Robust Optimization." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5807.

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In this dissertation, we introduce and study robust optimization models and decomposition algorithms in order to deal with the uncertainties such as terrorist attacks, natural disasters, and uncertain demand that are becoming more and more signicant in power systems operation and planning. An optimal power grid hardening problem is presented as a defender-attacker-defender (DAD) sequential game and solved by an exact decomposition algorithm. Network topology control, which is an eective corrective measure in power systems, is then incorporated into the defender-attacker-defender model as a rec
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4

Wang, Minnan, and 王旻楠. "Islanding of systems of distributed generation using optimization methodology." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B44914933.

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5

Coulibaly, Ibrahim. "Microcomputer based optimization model for photovoltaic system performance analysis." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/104314.

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6

Peluchette, Jason. "Optimization of Integrated Reservoir, Wellbore, and Power Plant Models for Enhanced Geothermal Systems." Thesis, West Virginia University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1524651.

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<p> Geothermal energy has the potential to become a substantially greater contributor to the U.S. energy market. An adequate investment in Enhanced Geothermal Systems (EGS) technology will be necessary in order to realize the potential of geothermal energy. This study presents an optimization of a waterbased Enhanced Geothermal System (EGS) modeled for AltaRock Energy&rsquo;s Newberry EGS Demonstration location. The optimization successfully integrates all three components of the geothermal system: (1) the present wellbore design, (2) the reservoir design, and (3) the surface plant design. </p
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7

Tozzi, Marco <1979&gt. "Partial discharge in power distribution electrical systems: pulse propagation models and detection optimization." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2308/.

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Investigation on impulsive signals, originated from Partial Discharge (PD) phenomena, represents an effective tool for preventing electric failures in High Voltage (HV) and Medium Voltage (MV) systems. The determination of both sensors and instruments bandwidths is the key to achieve meaningful measurements, that is to say, obtaining the maximum Signal-To-Noise Ratio (SNR). The optimum bandwidth depends on the characteristics of the system under test, which can be often represented as a transmission line characterized by signal attenuation and dispersion phenomena. It is therefore necessary
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8

Nejadpak, Arash. "Development of Physics-based Models and Design Optimization of Power Electronic Conversion Systems." FIU Digital Commons, 2013. http://digitalcommons.fiu.edu/etd/824.

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The main objective for physics based modeling of the power converter components is to design the whole converter with respect to physical and operational constraints. Therefore, all the elements and components of the energy conversion system are modeled numerically and combined together to achieve the whole system behavioral model. Previously proposed high frequency (HF) models of power converters are based on circuit models that are only related to the parasitic inner parameters of the power devices and the connections between the components. This dissertation aims to obtain appropriate physi
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SILVA, ALEXANDRE MOREIRA DA. "TWO-STAGE ROBUST OPTIMIZATION MODELS FOR POWER SYSTEM OPERATION AND PLANNING UNDER JOINT GENERATION AND TRANSMISSION SECURITY CRITERIA." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2014. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=24754@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Recentes apagões em todo o mundo fazem da confiabilidade de sistemas de potência, no tocante a contingências múltiplas, um tema de pesquisa mundial. Dentro desse contexo, se faz importante investigar métodos eficientes de proteger o sistema contra falhas de alguns de seus componentes, sejam elas dependentes e/ou independentes de outras falhas. Nesse sentido, se tornou crucial a incorporação de critérios de segurança mais rigorosos na operação e planejamento de sistemas de potê
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10

Zhao, Long. "Novel Models and Algorithms for Uncertainty Management in Power Systems." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4971.

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This dissertation is a collection of previously-published manuscript and conference papers. In this dissertation, we will deal with a stochastic unit commitment problem with cooling systems for gas generators, a robust unit commitment problem with demand response and uncertain wind generation, and a power grid vulnerability analysis with transmission line switching. The latter two problems correspond to our theoretical contributions in two-stage robust optimization, i.e., how to efficiently solve a two-stage robust optimization, and how to deal with mixed-integer recourse in robust optimizatio
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11

Stefopoulos, Georgios Konstantinos. "Quadratic power system modeling and simulation with application to voltage recovery and optimal allocation of VAr support." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29695.

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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Meliopoulos, A. P. Sakis; Committee Member: Deng, Shijie; Committee Member: Divan, Deepakraj; Committee Member: Harley, Ronald; Committee Member: Taylor, David. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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12

de, Tenorio Cyril. "Methods for collaborative conceptual design of aircraft power architectures." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34818.

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This thesis proposes an advanced architecting methodology. This methodology allows for the sizing and optimization of aircraft system architecture concepts and the establishment of subsystem development strategies. The process is implemented by an architecting team composed of subsystem experts and architects. The methodology organizes the architecture definition using the SysML language. Using meta-modeling techniques, this definition is translated into an analysis model which automatically integrates subsystem analyses in a fashion that represents the specific architecture concept described
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13

Avetisyan, Misak G. "Optimal Expansion Strategy for a Developing Power System under the Conditions of Market Economy and Environmental Constraint: Case of Armenia." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1153567970.

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14

Baradar, Mohamadreza. "On the Efficiency and Accuracy of Simulation Methods for Optimal Power System Operation : Convex Optimization Models for Power System Analysis, Optimal Utilization of VSC-type DC Wind Farm Grids and FACTS Devices." Doctoral thesis, KTH, Elektriska energisystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-166383.

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Recently, significant changes in electric power systems such as rapid developmentof smart grid and electricity market and integration of non-dispatchablesources have added more complexity to the Power Flow Scheduling (PFS) andPower Balancing (PB) models. For instance, non-dispatchable sources introducean increasing level of uncertainty in the electricity market and power system operation.One of the solutions for handling these uncertainties in the power systemoperation is the improvement of system flexibility through a more efficient operationof power systems. On the other hand, efficient oper
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15

Yazdanpanah, Goharrizi Ali. "Parallel multi-modal optimal design and sensitivity assessment for electric power systems." IEEE Transaction on Power Delivery, 2016. http://hdl.handle.net/1993/31175.

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This thesis proposes a novel algorithm to optimize multi-modal, nonlinear, black-box objective functions for electric power system design using an electromagnetic transients (EMT) simulator. The algorithm discovers multiple local optimal solutions for a given complex power system, and then generates accurate surrogate models of an objective function around each discovered local optimal solution. These surrogate models represent the local behaviour of the objective function that can be used in the subsequent stages of sensitivity analyses. Using surrogate models instead of intensive transient s
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16

Kadowaki, Makoto. "Modelo de programação da operação de sistemas hidrotérmicos predominantemente hidrelétricos . = Short term generation scheduling of hydro dominant hydrothermal systems." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261160.

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Orientador: Takaaki Ohishi<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação<br>Made available in DSpace on 2018-08-21T04:48:16Z (GMT). No. of bitstreams: 1 Kadowaki_Makoto_D.pdf: 5665852 bytes, checksum: 8007a4e9bf74d78a3c83adc1271d30e0 (MD5) Previous issue date: 2012<br>Resumo: Esta tese apresenta um modelo para a programação da operação de sistemas hidrotérmicos predominantemente hidrelétricos. A formulação matemática adota uma representação detalhada das usinas hidrelétricas, do sistema de reservatórios, e leva também em conta requi
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17

Meyer, Danielle L. "Energy Optimization of a Hybrid Unmanned Aerial Vehicle (UAV)." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523493111005807.

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18

Murakami, Lélis Tetsuo. "Solução de problemas de otimização utilizando arquitetura híbrida." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-12092008-142628/.

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A energia elétrica constitui um dos propulsores da economia de um país, assumindo um papel extremamente importante e estratégico, pois influi diretamente na capacidade produtiva. A expansão da produção de energia elétrica não se consegue somente com medidas de curto prazo, pois as obras deste setor demandam um longo tempo de execução, medido em anos e dependendo da magnitude da obra, o prazo pode até superar uma década. O parque gerador nacional é constituído predominantemente por usinas hidroelétricas, complementado por usinas térmicas que utilizam diversas fontes de combustível, havendo a ne
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19

Noudjiep, Djiepkop Giresse Franck. "Feeder reconfiguration scheme with integration of renewable energy sources using a Particle Swarm Optimisation method." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2712.

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Thesis (Master of Engineering in Electrical Engineering)--Cape Peninsula University of Technology, 2018.<br>A smart grid is an intelligent power delivery system integrating traditional and advanced control, monitoring, and protection systems for enhanced reliability, improved efficiency, and quality of supply. To achieve a smart grid, technical challenges such as voltage instability; power loss; and unscheduled power interruptions should be mitigated. Therefore, future smart grids will require intelligent solutions at transmission and distribution levels, and optimal placement & sizing of grid
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20

Holmberg, Aksel, and Oscar Pettersson. "DESIGN OF A TECHNO-ECONOMIC OPTIMIZATION TOOL FOR SOLAR HOME SYSTEMS IN NAMIBIA." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-33151.

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The expansion of the electrical grid and infrastructure is an essential part of development since it contributes to improved standard of living among the population. Solar home systems (SHS) are one solution to generate electricity for households where the national grid does not reach or is too sparsely populated to build a local mini-grid. Solar home system programs have been used as a solution for rural electrification in developing countries all over the world with various success, one of these countries is Namibia. A large fraction of the population in Namibia lacks access to electricity w
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Linderstam, Albin. "Analytical tool for electromechanical actuators for primary and secondary flight control systems : Optimization of the initial design of the EMA using parametric sizing models." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-74246.

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The number of flights have increased by 80% between 1990 and 2014, and the demand for air travel continues to increase. Even though the aviation sector contributes to economical and social benefits, it still affects the climate change [1]. A first step to minimize the environmental impact is to develop more electric aircraft (MEA), where the idea is to maximize the use of electricity and improve the overall energy effciency [2]. In most of today's aircraft, large mechanical transmission shafts with a lot of components are driven by central power units, termed centralized drive systems. By the
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22

Ramos, Tales Pulinho. "Modelo individualizado de usinas hidrelétricas baseado em técnicas de programação não linear integrado com o modelo de decisão estratégica." Universidade Federal de Juiz de Fora (UFJF), 2011. https://repositorio.ufjf.br/jspui/handle/ufjf/3039.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2016-12-22T11:28:06Z No. of bitstreams: 1 talespulinhoramos.pdf: 7323423 bytes, checksum: 8e91605d60fbb16fc971b4b13d056055 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2016-12-22T12:24:03Z (GMT) No. of bitstreams: 1 talespulinhoramos.pdf: 7323423 bytes, checksum: 8e91605d60fbb16fc971b4b13d056055 (MD5)<br>Made available in DSpace on 2016-12-22T12:24:03Z (GMT). No. of bitstreams: 1 talespulinhoramos.pdf: 7323423 bytes, checksum: 8e91605d60fbb16fc971b4b13d056055 (MD5) Previous issue date:
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Bettoni, Luiz Marcelo Michelotti. "Modelos plim para otimização de circuitos da rede de distribuição secundária de energia elétrica." Universidade Tecnológica Federal do Paraná, 2011. http://repositorio.utfpr.edu.br/jspui/handle/1/373.

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ANEEL<br>Em sistemas de distribuição de energia elétrica é comum o desenvolvimento de projetos que busquem a melhoria dos índices de equilíbrio de cargas, carregamento de transformadores e quedas de tensão ao longo dos circuitos da rede secundária. O presente trabalho apresenta modelos matemáticos de Programação Linear Inteira Mista (PLIM) para quatro das intervenções técnicas usualmente praticadas com vistas a estas melhorias: balanceamento de carga, troca de condutor, divisão de circuito e remanejamento de carga. Os modelos respeitam aspectos técnicos, elétricos e considerações operacionais
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24

Tulpule, Pinak J. "Control and optimization of energy flow in hybrid large scale systems - A microgrid for photovoltaic based PEV charging station." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1313522717.

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25

Morávek, Jan. "Procesy řízení v energetických systémech s alternativními zdroji energie." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-364616.

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The dissertation is an publication summary focused on the field of management processes in renewable energy systems, mathematical models and optimization possibilities for large and small scale photovoltaic systems. The articles were published in foreign impacted and reviewd journals and indexed proceedings of foreign and domestic conferences. The main results of the dissertation are the design, configuration and realization of the hybrid energy system with subsequent optimization. Using the data from the laboratory system, a mathematical model was compiled and subsequently validated in the Ma
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Zavadinka, Peter. "Development of a Variable Roller Pump and Evaluation of its Power Saving Potential as a Charge Pump in Hydrostatic Drivetrains." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-234261.

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Predložená doktorandská dizertačná práca (ďalej len práca) sa zaoberá rozsiahlou analýzou valčekového hydrogenerátora s premenlivým geometrickým objemom a predikciou výkonových úspor dosiahnutých aplikáciou navrhnutého valčekového hydrogenerátora s premenlivým geometrickým objemom v hydrostatickom pohone vybraných mobilných pracovných strojov. Teoretický rozbor princípov fungovania valčekového hydrogenerátora a teória jednorozmerného simulačného modelu sú popísané v prvej časti práce. Na základe odvodenej teórie je vytvorený simulačný model, ktorý je vhodný na predikciu priebehu tlaku v komorá
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27

Lehtisalo, V. (Ville). "Average power tracking optimization system for LTE power amplifiers." Master's thesis, University of Oulu, 2014. http://jultika.oulu.fi/Record/nbnfioulu-201409171871.

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Abstract. This thesis introduces the design and implementation of an optimization system for average power tracking, used in the RF power amplifier of LTE mobile device. Average power tracking adjusts the supplied voltage of the power amplifier according to output power level so that the linearity of the power amplifier is maintained while the efficiency is improved. The optimization system is implemented with computer controlled measurement equipment setup. The setup consists of an RF signal generator, a power meter and a spectrum analyzer. Performance measurements are performed to the dev
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Bai, Wenshuai. "DC Microgrid optimized energy management and real-time control of power systems for grid-connected and off-grid operating modes." Thesis, Compiègne, 2021. http://www.theses.fr/2021COMP2586.

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Le travail de recherche de cette thèse se concentre sur l’élaboration de deux modes de fonctionnement du microréseau à savoir : mode connecté au réseau, mode hors réseau comprenant les modes îloté et isolé. Le problème de la défaillance du réseau en mode connecté au réseau et la faible fiabilité de l'alimentation électrique en mode hors réseau doivent être résolues. Ainsi, le but de cette thèse est de proposer un microréseau DC combinant à la fois les avantages du mode connecté au réseau et ceux du mode isolé. On obtient ainsi un microréseau DC qu’on peut qualifier de complet. Le microréseau D
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Dashti, Hossein, Antonio J. Conejo, Ruiwei Jiang, and Jianhui Wang. "Weekly Two-Stage Robust Generation Scheduling for Hydrothermal Power Systems." IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2016. http://hdl.handle.net/10150/622668.

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As compared to short-term forecasting (e.g., 1 day), it is often challenging to accurately forecast the volume of precipitation in a medium-term horizon (e.g., 1 week). As a result, fluctuations in water inflow can trigger generation shortage and electricity price spikes in a power system with major or predominant hydro resources. In this paper, we study a two-stage robust scheduling approach for a hydrothermal power system. We consider water inflow uncertainty and employ a vector autoregressive (VAR) model to represent its seasonality and accordingly construct an uncertainty set in the robust
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Loeffler, Benjamin Haile. "Modeling and optimization of a thermosiphon for passive thermal management systems." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45960.

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An optimally designed thermosiphon for power electronics cooling is developed. There exists a need for augmented grid assets to facilitate power routing and decrease line losses. Power converter augmented transformers (PCATs) are critically limited thermally. Conventional active cooling system pumps and fans will not meet the 30 year life and 99.9% reliability required for grid scale implementation. This approach seeks to develop a single-phase closed-loop thermosiphon to remove heat from power electronics at fluxes on the order of 10 - 15 W/cm2. The passive thermosiphon is inherently a couple
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31

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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Hu, Cheng Lin. "Design optimization of fuzzy models in system identification." Thesis, University of Macau, 2010. http://umaclib3.umac.mo/record=b2493501.

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GREENHALGH, ANGELA BARBOSA. "VOLTAGE STABILITY ENHANCEMENT IN THE OPERATION OF POWER SYSTEMS THROUGH AN OPTIMIZATION MODEL." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1998. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=8943@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Muito tem sido feito para que se possa entender os mecanismos que levam o sistema a uma situação de instabilidade de tensão e até mesmo ao colapso, assim como também para se suprir a necessidade de ferramentas analíticas capazes de prever e avaliar a proximidade do colapso de tensão em sistemas complexos, identificando as áreas susceptíveis à instabilidade de tensão. Uma vez detectada a inconveniente proximidade a uma condição de operação susceptível ao colapso de tensão, é necessária a identificação de grandezas-chave e
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Jirutitijaroen, Panida. "Some optimization problems in power system reliability analysis." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1491.

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del, Valle Yamille E. "Optimization of power system performance using facts devices." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29612.

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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Dr. Ronald G. Harley; Committee Member: Dr. Bonnie Heck; Committee Member: Dr. Deepak Divan; Committee Member: Dr. Ganesh K. Venayagamoorthy; Committee Member: Dr. Miroslav Begovic. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Ibrahim, Sarmad Khaleel. "DISTRIBUTION SYSTEM OPTIMIZATION WITH INTEGRATED DISTRIBUTED GENERATION." UKnowledge, 2018. https://uknowledge.uky.edu/ece_etds/116.

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In this dissertation, several volt-var optimization methods have been proposed to improve the expected performance of the distribution system using distributed renewable energy sources and conventional volt-var control equipment: photovoltaic inverter reactive power control for chance-constrained distribution system performance optimisation, integrated distribution system optimization using a chance-constrained formulation, integrated control of distribution system equipment and distributed generation inverters, and coordination of PV inverters and voltage regulators considering generation cor
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Shah, Ankur Savailal. "Prediction Models for Multi-dimensional Power-Performance Optimization on Many Cores." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/31826.

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Power has become a primary concern for HPC systems. Dynamic voltage and frequency scaling (DVFS) and dynamic concurrency throttling (DCT) are two software tools (or knobs) for reducing the dynamic power consumption of HPC systems. To date, few works have considered the synergistic integration of DVFS and DCT in performance-constrained systems, and, to the best of our knowledge, no prior research has developed application-aware simultaneous DVFS and DCT controllers in real systems and parallel programming frameworks. We present a multi-dimensional, online performance prediction framework, which
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Arumugam, Gnana Shekaran. "ALTERNATE MODELS FOR NATURAL GAS TRANSPORTATION SYSTEM PERFORMANCE OPTIMIZATION." UKnowledge, 2015. http://uknowledge.uky.edu/ms_etds/7.

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The Natural Gas market in the U.S is growing rapidly with evidence that the nation has enough shale reserves to power the country for the next century. To ensure continued economic benefits through the use of this environmentally desired energy source, it becomes important to optimize the transportation network system design. Transportation through pipelines is one of the most common methods used to distribute Natural Gas from source to destination. This transportation system, consisting of pipelines, compressors and other supporting equipment, must be optimized, considering all relevant param
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Persson, Jonas. "Linear models of non-linear power system components." Licentiate thesis, KTH, Electrical Systems, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1415.

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Cresswell, Charles. "Steady state load models for power system analysis." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/3846.

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The last full review of load models used for power system studies occurred in the 1980s. Since then, new types of loads have been introduced and system load mix has changed considerably. The examples of newly introduced loads include drive-controlled motors, low energy consumption light sources and other modern power electronic loads. Their numbers have been steadily increasing in recent years, a trend which is expected to escalate. Accordingly, the majority of load models used in traditional power system studies are becoming outdated, as they are unable to accurately represent power demand ch
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41

Raoofsheibani, Davood [Verfasser]. "Online Power System Security Analysis and State Prediction : Enhanced Power System Models and Tools / Davood Raoofsheibani." Düren : Shaker, 2021. http://d-nb.info/1240853947/34.

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42

Sankaran, Hariharan. "System level energy optimization for location aware computing." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001343.

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43

Demiray, Turhan Hilmi. "Simulation of power system dynamics using dynamic phasor models /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17607.

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44

Anderson, Sharon Lee. "Reduced order power system models for transient stability studies." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09052009-040743/.

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45

Nteka, Makhetsi Flora. "Development and assessment of reduced order power system models." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/1088.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Electrical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology 2013<br>The demand for electrical energy has kept on increasing, thus causing power systems to be more complex and bringing the challenging problems of electrical energy generation, transmission, stability, as well as storage to be examined more thoroughly. With the advent of high-speed computation and the desire to analyze increasingly complex behaviour in power systems, simulation techniques are gaining imp
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Holm, Gustav. "Automated Model Transformation for Cyber-Physical Power System Models." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-214750.

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Standardized information and mathematicalmodels, which model the characteristics of the power generationand power transmission systems, are requirements for futuredevelopment and maintenance of different applications tooperate the electrical grid. Available databases such as Nordpoolprovides large amounts of data for power supply and demand [1].The typical misconception with open availability of data is thatexisting power system software tools can interact and process thisdata. Difficulties occur mainly because of two reasons. The firston is the amount of data produced. When the topology of th
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Ljungberg, Marcus. "Electric power assist steering system parameterization and optimization employing CAE." Thesis, KTH, Fordonsdynamik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-163855.

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The vehicle brands of today need to develop high quality products in a short period of time to satisfy the consumer needs and to stand out in the competition. To be able to do this simulation tools have been used more and more in the development process. This would enable quick evaluation of different concepts and setups without the need of building physical prototypes (though physical prototypes are still common to validate development in different stages). The goal of this thesis is to contribute to this trend by developing and evaluating a process of optimizing the control parameters of an
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Sandell, Markus. "Modelling and Power Optimization of a Hybrid Vehicle Refrigeration System." Thesis, KTH, Optimeringslära och systemteori, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-236084.

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This thesis is concerned with the modelling and power optimization of a vapor compression refrigeration system in a hybrid vehicle. The system consists of a compressor, a condenser, two expansion valves, an evaporator and a chiller. The achieved model describes the states of the system and the total power consumption of the components when the system is in balance, i.e. there is no time dependencies of the variables. The model is based on thermodynamic laws and properties together with empirical parameters which are estimated from given data of a refrigeration system. A comparison is made betw
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SOUZA, DAYVES PEREIRA FERNANDES DE. "STOCK MANAGEMENT MODELS AND SUPPLY SYSTEM OPTIMIZATION FOR A DRUGSTORE CHAIN." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=11324@1.

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O varejo brasileiro, tem passado pelo mesmo processo de concentração de empresas, assim como, também acontece com vários outros setores a nível mundial. A estabilidade econômica e concorrentes cada vez mais profissionais forçam as empresas a buscarem a excelência em suas operações. O investimento em estoques para este segmento é elevado, pois as empresas trabalham com uma grande quantidade de produtos, espalhados entre várias filiais e centros de distribuição, preços médios altos e uma grande quantidade de produtos com giro baixo. Fatores sazonais e lançamento de novos produtos alteram
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Persson, Jonas. "Bandwidth-reduced Linear Models of Non-continuous Power System Components." Doctoral thesis, Stockholm : Electric Power Systems, School of Electrical Engineering, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3984.

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