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Dissertations / Theses on the topic 'Virtual power'

Author: Grafiati
Published: 9 March 2023
Last updated: 31 July 2025

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1

Newman, Guy. "Characterisation of virtual power plants." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/characterisation-of-virtual-power-plants(5e647750-5a44-40f0-8a33-763361d3a50b).html.

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The growing number of micro generation devices in the electrical network is leading many to consider that these devices can no longer be considered as fit and forget, but should instead be considered as having a demonstrable network impact which should be predicted and utilised. One of the techniques for considering the impacts of these devices is the Virtual Power Plant (VPP). The VPP is the aggregation of all the Distributed Generation (DG) connected into the network up to and including the connection voltage of the VPP, such that the cumulative power up the voltage levels can be seen in the
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Tai, Sio Un. "Power quality study in Macau and virtual power analyzer." Thesis, University of Macau, 2012. http://umaclib3.umac.mo/record=b2586277.

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Squillaci, Carmen. "Gestione dell’energia in Virtual Power Plants." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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I confini delle risorse di energia distribuita sono in continua espansione negli ultimi anni con conseguenti cambiamenti nella gestione ottimizzata di energia nelle Smart Grid per soddisfare la domanda di energia, apportare miglioramenti alle condizioni ambientali e minimizzare i prezzi. Per raggiungere questo obiettivo si utilizza un Virtual Power Plant con al suo interno un gestore di energia che coordina le unit`a distribuite relative al sistema di energia elettrico. Questo lavoro di tesi sviluppa un modello per la gestione energetica all’interno di un Virtual Power Plant per decidere come e
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Setiawan, Eko Adhi. "Concept and controllability of virtual power plant." Kassel : Kassel Univ. Press, 2007. http://www.uni-kassel.de/hrz/db4/extern/dbupress/publik/abstract.php?978-3-89958-309-0.

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Chen, Zhenwei. "Virtual Power Plant Simulation and Control Scheme Design." Thesis, KTH, Industriella informations- och styrsystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-116752.

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Virtual Power Plant (VPP) is a concept that aggregate Distributed Energy Resources (DER) together, aims to overcome the capacity limits of single DER and the intermit-ted natural characteristics of renewable energy sources like wind and solar. The whole system can be viewed as a single large-capacity power plant from the system‘s point of view. In this project, the literature review of VPP concept, architecture, existed project and the survey of VPP in Sweden are being conducted first. Secondly, the simplified VPP model is built on MATLAB/Simulink software. The simplified system contains a win
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Khalsa, N. S. "Virtual Cables at the Nevada Test Site." International Foundation for Telemetering, 1996. http://hdl.handle.net/10150/611425.

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International Telemetering Conference Proceedings / October 28-31, 1996 / Town and Country Hotel and Convention Center, San Diego, California<br>Shrinking budgets and labor pools have impacted our ability to perform experiments at the Nevada Test Site (NTS) as we did previously. Specifically, we could no longer run heavy cables to remote data acquisition sites, so we replaced the cables with RF links that were transparent to the existing system, as well as being low-cost and easy to deploy. This paper details how we implemented the system using mostly commercial off-the-shelf components.
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Setiawan, Eko Adhi [Verfasser]. "Concept and controllability of virtual power plant / Eko Adhi Setiawan." Kassel : Kassel Univ. Press, 2007. http://d-nb.info/989833518/34.

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8

Gillie, Mary. "Operation and regulation of a 'virtual wind/gas' power plant." Thesis, University of Strathclyde, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405322.

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9

Dong, Xuzhu. "Study of Power Transformer Abnormalities and IT Applications in Power Systems." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/26034.

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With deregulation, diagnosis and maintenance of power equipment, especially power transformers, become increasingly important to keep power systems in reliable operation. This dissertation systematically studied two kinds of transformer failure and abnormality cases, and then developed a new Internet based Virtual Hospital (VH) for power equipment to help power equipment diagnosis and maintenance. A practical case of generator-step-up (GSU) transformer failures in a pumped storage plant was extensively studied. Abnormal electrical phenomena associated with GSU transformers, including switchin
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Le, Louarn Theobald. "Optimization Of A Virtual Power Plant In The German Electricity Market." Thesis, KTH, Elkraftteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217380.

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Distributed energy sources are becoming more and more important in the German electricitynetwork. One solution to manage this growing number of distributed assets liesin the Virtual Power Plant concept. A Virtual Power Plant aggregates decentralizedgenerators and loads to behave like a large power plant. Based on new technologies, ituses advanced communication technologies to provide different services (generation ofenergy, steering of power systems, balancing services ...). This thesis proposes a mixedintegerstochastic model of a Virtual Power Plant. The participation to different productsis
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Recasens, Bosch Joan. "Key Factors for a Successful Utility-scale Virtual Power Plant Implementation." Thesis, KTH, Energiteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-277846.

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The high penetration of renewable energies (RE) in power systems is increasing the volatile production on the generation side and the presence of distributed energy resources (DER) over the territory. On the other hand, Virtual Power Plants (VPPs) are an aggregation of DER managed as a single entity to promote flexibility services to power systems. Therefore, VPPs are a valid approach to cope with the arising challenges in the power system related to RE penetration. This report defines the concept of a utility-scale VPP, as a tool to stabilize the grid and increase the flexibility capacity in
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12

Li, Qiong. "Developing Modeling and Simulation Methodology for Virtual Prototype Power Supply System." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/27462.

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This dissertation develops a modeling and simulation methodology for design, verification, and testing (DVT) power supply system using a virtual prototype. The virtual prototype is implemented before the hardware prototyping to detect most of the design errors and circuit deficiencies that occur in the later stage of a standard hardware design verification and testing procedure. The design iterations and product cost are reduced significantly by using this approach. The proposed modeling and simulation methodology consists of four major parts: system partitioning, multi-level modeling of de
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ALI, JIBRAN. "Virtual Power Plant Concepts for Ancillary Market - Demonstration, Development, and Validation." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/1006270.

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The increased penetration of distributed energy resources and renewables open up issues in power systems as a whole. Chapter 1 discusses these issues, and highlights the literature solutions. The concept of VPP is highlighted, different options are explored, and the use of VPP is motivated. The chapter further discusses different ancillary services, with both technical and market perspectives. It makes a clear demarcation amongst transmission and distribution level VPPs, and their economic and technical aspects. Different components within VPP are also highlighted in this chapter. The mo
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Möller, Cecilia. "Design and Experiments with High Power Microwave Sources : The Virtual Cathode Oscillator." Doctoral thesis, KTH, Rymd- och plasmafysik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104794.

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High-Power Microwaves (HPM) can be used to intentionally disturb or destroy electronic equipment at a distance by inducing high voltages and currents.This thesis presents results from simulations and experiments with a narrow band HPM source, the vircator. The high voltages needed to generate HPM puts the vircator under great stress, especially the electrode materials. Several electrode materials have been tested for endurance and their influence on the characteristics of the microwave pulse. With the proper materials the shot-to-shot variations are small and the geometry can be optimized in t
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Hinz, Mauro. "Virtual power: um modelo de custo baseado no consumo de energia do processador por máquina virtual em nuvens IaaS." Universidade do Estado de Santa Catarina, 2015. http://tede.udesc.br/handle/handle/2051.

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Made available in DSpace on 2016-12-12T20:22:53Z (GMT). No. of bitstreams: 1 Mauro Hinz.pdf: 2658972 bytes, checksum: 50ee82c291499d5ddc390671e05329d4 (MD5) Previous issue date: 2015-09-29<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The outsourcing of computing services has been through constant evolutions in the past years, due to the increase of demand for computing resources. Accordingly, data centers are the main suppliers of computing service and cloud-based computing services provide a new paradigm for the offer and consumption of these computing resources. A subs
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Sen, Ramen. "A framework for the development of generic virtual reality systems." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327650.

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17

Bäcke, Maria. "Power Games : Rules and Roles in Second Life." Doctoral thesis, Karlskrona : Blekinge Institute of Technology, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00496.

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This study investigates how the members of four different role-playing communities on the online platform Second Life perform social as well as dramatic roles within their community. The trajectories of power influencing these roles are my main focus. Theoretically I am relying primarily on performance studies scholar Richard Schechner, sociologist Erving Goffman, and post-structuralists Michel Foucault, Gilles Deleuze and Felìx Guattari. My methodological stance has its origin primarily within literature studies using text analysis as my preferred method, but I also draw on the (cyber)ethnogr
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Perera, Aravinda. "Virtual Synchronous Machine-based Power Control in Active Rectifiers for Micro Grids." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19202.

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This dissertation presents an analytical study on virtual synchronous machine-based power control in active rectifiers for micro grids supported by prototype modelling, simulation results and discussions.Popularity and demand of the distributed energy resources and renewable energy sources are increasing due to their economic and environmental friendliness. Concept of micro grid with an active rectifier (AR) interface has been found to be promising for smart integration of such distributed generation units. Having the presence of a synchronous generator (SG) in a micro grid introduces several
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Fu, Hao. "Market-oriented micro virtual power prosumers operations in distribution system operator framework." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7516/.

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As the European Union is on track to meet its 2020 energy targets on raising the share of renewable energy and increasing the efficiency in the energy consumption, considerable attention has been given to the integration of distributed energy resources (DERs) into the restructured distribution system. This thesis proposes market-oriented operations of micro virtual power prosumers (J.lVPPs) in the distribution system operator framework, in which the J.lVPPs evolve from home-oriented energy management systems to price-taking prosumers and to price-making prosumers. Considering the diversity of
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Roslan, Nurul Fazlin. "Control strategy of grid connected power converter based on virtual flux approach." Doctoral thesis, Universitat Politècnica de Catalunya, 2021. http://hdl.handle.net/10803/673388.

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Distributed Generation (DG) provides an alternative to the Centralized Generation (CG) by means of generating electricity near to the end user of power with the employment of small-scale technologies to produce electricity, mainly using Renewable Energy Sources (RES). The prospects of renewable energy integration during the next years are still very optimistic. This PhD dissertation is made to provide an alternative control framework for the grid connected power converter by adopting the virtual flux concept in the control layer. This dissertation can be divided into three main topics. The 1
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Ren, Zizheng. "Multi-Period Dynamic Reward Structures For Prosumers Participating In Virtual Power Plants." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/29336.

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At present, conventional fossil fuels such as coal, petroleum and natural gas still remain dominant in electricity generation. Therefore, distributed energy resources (DERs) attract people's attention for being renewable and environmentally friendly and hence promotes the utilisation of DERs in electric power systems. This offers an opportunity to aggregate prosumers into virtual power plants (VPPs) operated as a single dispatchable resource. Yet that raises the question of how to financially reward prosumers for participating in VPPs. Against this backdrop, this thesis explores dynamic export
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LABELLA, ALESSANDRO GIUSEPPE. "Advanced Primary Controllers for Inverter Based Power Sources: Microgrids and Wind Power Plants." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/1009797.

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The aim of this doctoral thesis is to present the research activity fulfilled during the Ph.D. studies. The research project of the candidate was focused on two main cores. The first core is centred in the microgrid area; in particular in islanded microgrid modelling and control. Firstly, the model was compared with experimental results collected in some facilities available at University of Genoa. Then traditional controllers for islanded microgrid are analysed and explored, proposing a new stability estimation procedure for droop controlled microgrid. Finally, a new control strategy based
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23

Simoni, Chiara. "Ottimizzazione offline/online in condizioni di incertezza con applicazione su Virtual Power Plant." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20079/.

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Le centrali elettriche virtuali (Virtual Power Plant) sono sistemi energetici che integrano diversi tipi di fonti rinnovabili e non, carichi e dispositivi di accumulo. Un tipico VPP è un grande impianto industriale con elevati carichi elettrici e termici (parzialmente shiftabili), generatori di energia rinnovabili e depositi elettrici e termici. Il lavoro oggetto di questa tesi implementa un modello di ottimizzazione in due fasi per la generazione di flussi energetici. L'ottimizzazione avviene in due fasi: la prima, offline, consiste in un approccio robusto per la modellazione dell'incertezz
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Evans, Paul Leonard. "Fast multidisciplinary analysis and virtual prototyping of multi-chip power module based systems." Thesis, University of Nottingham, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555336.

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Virtual prototyping is a relatively new concept in the field of power electronics that intends to allow the integrated electrical, mechanical and thermal design of power electronic systems. Virtual prototyping uses coupled, multidisciplinary simulations to evaluate potential designs and aims to allow a designer to easily arrive at the optimum system design for any given set of performance targets and design space constraints using an iterative design approach. This work explores the current, established simulation options and identities advantages and weaknesses of these approaches and subsequ
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MUSIO, MAURA. "Management and modelling of battery storage systems in microGrids and virtual power plants." Doctoral thesis, Università degli Studi di Cagliari, 2016. http://hdl.handle.net/11584/266749.

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In the novel smart grid configuration of power networks, Energy Storage Systems (ESSs) are emerging as one of the most effective and practical solutions to improve the stability, reliability and security of electricity power grids, especially in presence of high penetration of intermittent Renewable Energy Sources (RESs). This PhD dissertation proposes a number of approaches in order to deal with some typical issues of future active power systems, including optimal ESS sizing and modelling problems, power ows management strategies and minimisation of investment and operating costs. In
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ABDUL, SALAM HUMAIRA. "Power Modeling and Resource Optimization in Virtualized Environments." Doctoral thesis, Università degli studi di Genova, 2020. http://hdl.handle.net/11567/998108.

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The provisioning of on-demand cloud services has revolutionized the IT industry. This emerging paradigm has drastically increased the growth of data centers (DCs) worldwide. Consequently, this rising number of DCs is contributing to a large amount of world total power consumption. This has directed the attention of researchers and service providers to investigate a power-aware solution for the deployment and management of these systems and networks. However, these solutions could be beneficial only if derived from a precisely estimated power consumption at run-time. Accuracy in power estimation
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Chandrasekaran, Vetrivel. "Virtual Modeling and Optimization of an Organic Rankine Cycle." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1408456065.

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Rakhshani, Elyas. "Analysis and control of multi–area HVDC interconnected power systems by using virtual inertia." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/404614.

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Virtual inertia is known as an inevitable part of the modern power systems. Recent trend of research is oriented in different methods of emulating virtual inertia in different part of the systems. This dissertation is focused on modelling, analysing and application of virtual inertia concept in frequency control and Automatic Generation Control (AGC) issue in high level control AC/DC interconnected power systems. Since the virtual inertia is provided by advanced control concepts of power electronic based components, the HVDC links are the main focus of this dissertation for emulating inertia.
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Kusic, Dara Kandasamy Nagarajan. "Combined power and performance management of virtualized computing environments using limited lookahead control /." Philadelphia, Pa. : Drexel University, 2008. http://hdl.handle.net/1860/2999.

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Moreira, Alexandre Candido 1981. "Uso de instrumentação virtual para a analise da qualidade da energia eletrica." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259913.

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Orientadores: Sigmar Maurer Deckmann, Fernando Pinhabel Marafão<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e Computação<br>Made available in DSpace on 2018-08-07T06:01:54Z (GMT). No. of bitstreams: 1 Moreira_AlexandreCandido_M.pdf: 4879981 bytes, checksum: 6aa206d50e7569915efea8d3f32bd2c3 (MD5) Previous issue date: 2006<br>Resumo: O presente trabalho avalia a possibilidade da aplicação de instrumentação virtual para a análise de problemas da qualidade da energia elétrica (QEE). Aproveitando-se da grande flexibilidade, elevada capacidade de
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Edwall, Bill. "Virtual Power Plant Optimization Utilizing the FCR-N Market : A revenue maximization modelling study based on building components and a Battery Energy Storage System. Based on values from Sweden's first virtual power plant, Väla." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279520.

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Renewable energy resources are projected to claim a larger part of the Swedish power mix in coming years. This could potentially increase frequency fluctuations in the power grid due to the intermittency of renewable power generating resources. These fluctuations can in turn cause issues in the power grid if left unchecked. In order to resolve these issues, countermeasures are employed. One such countermeasure is for private actors to regulate power; in exchange they are financially compensated through reserve markets. The reserve market studied in this thesis is called Frequency Containment R
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Alsafran, Ahmed Sulaiman. "Consensus Control for Power Sharing in an Islanded Microgrid Using an Adaptive Virtual Impedance Approach." University of Dayton / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1607607802396011.

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Arabi, Samaneh. "Virtual vibration testing of body and power unit mounted components (diesel engine EGR coolant rail)." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6692/.

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As a part of the sign-off procedure for body and power unit mounted components, random vibration testing is carried out to original equipment manufacturer (OEM) specification which the components must survive without damage. With the current move to minimise design and development costs and time-scales in the development of new vehicles, the use of CAE to validate system design through the use of virtual testing is becoming ever more important. The desire is therefore to develop computer aided analysis/numerical techniques that will replicate the vibration testing of body and power unit mounte
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Behi, Behnaz. "Bidding strategy for a virtual power plant for trading energy in the wholesale electricity market." Thesis, Behi, Behnaz (2022) Bidding strategy for a virtual power plant for trading energy in the wholesale electricity market. PhD thesis, Murdoch University, 2022. https://researchrepository.murdoch.edu.au/id/eprint/65657/.

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Virtual power plants (VPPs) are an effective way to increase renewable integration. In this PhD research, the concept design and the detailed costs and benefits of implementing a realistic VPP in Western Australia (WA), comprising 67 dwellings, are developed. The VPP is designed to integrate and coordinate an 810kW rooftop solar PV farm, 350kW/700kWh vanadium redox flow batteries (VRFB), heat pump hot water systems (HWSs), and smart appliances through demand management mechanisms. This research develops a robust bidding strategy for the VPP to participate in both load following ancillary s
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Águila, Grandez Roger del, Romero Liliana Padilla, and Cosio Naydith Terrazas. "Plan de marketing para el lanzamiento de una plataforma nutricional de asesoramiento en comida saludable: Power Food." Master's thesis, Universidad del Pacífico, 2018. http://hdl.handle.net/11354/2260.

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El principal objetivo del presente trabajo de investigación es proponer un plan de marketing para el lanzamiento de una nueva plataforma nutricional llamada Power Food, una aplicación que permitirá conectar rápidamente a los nutricionistas con los interesados en mejorar su salud. Mediante esta herramienta las personas que desean bajar de peso, pero están muy ocupados para ir a un nutricionista, podrán obtener este asesoramiento fácilmente. Los nutricionistas se basarán en los datos de la persona interesada para elaborar un plan nutricional que le permita lograr sus objetivos. Se utilizará gami
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Ireland, Jessica. ""Democracy" in a virtual world| EVE Online's Council of Stellar Management and the power of influence." Thesis, The University of Wisconsin - Milwaukee, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1538532.

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<p> Interest in virtual worlds has grown within academia and popular culture. Virtual worlds are persistent, technologically-mediated, social spaces. Academic literature focuses on issues such as identity, sociality, economics, and governance. However studies of governance focus on internal or external modes of control; less attention has been paid to institutions of governance that operate within both the virtual and real worlds. </p><p> In EVE Online, the Council of Stellar Management (CSM) represents a joint venture between developers and users to shape the direction of EVE's virtual
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Roberts, Sean. "Dominant-power politics and ‘virtual’ party hegemony : the role of United Russia in the Putin period." Thesis, University of Birmingham, 2010. http://etheses.bham.ac.uk//id/eprint/952/.

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This case study examines the role of the political party United Russia in the rise of ‘dominant-power politics’, also termed ‘electoral authoritarianism’, that characterises the Putin period (2000-2008). Comparative literature identifies parties as important independent or explanatory variables in a range of regime outcomes, including the successful consolidation of democracy, but also in the establishment and consolidation of authoritarian rule. The impressive rise of United Russia in the Russian political system from late 2001 onwards, together with its co-occurrence with the growing strengt
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Ching-Shiu, Tseng. "Low Power Design for Java Virtual Machine." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-1507200516020900.

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Lin, Wei-Min, and 林為閔. "Power Efficient Strategy for Deploying Virtual Clusters." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/vkrt2s.

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碩士<br>中華大學<br>資訊工程學系碩士在職專班<br>101<br>Virtualization and scalability of resource management has become an important subject in cloud computing. In this study, the relationship between CPU power consumption of virtual machines and the number of virtual machines is analyzed. A power prediction model for optimizing resource allocation in virtualized environments has been also developed. Our study shows that the number of virtual machine running on a physical host is inversely proportional to the CPU power consumption of each virtual machine. In addition, different hardware specifications were tes
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Tseng, Ching-Shiu, and 曾清旭. "Low Power Design for Java Virtual Machine." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/73166792270398679279.

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碩士<br>國立臺灣大學<br>資訊工程學研究所<br>93<br>Memory system is a main concern to embedded system engineers since it dominates the cost, power and performance of mobile embedded systems. In particular, emerging memory technology, the flash memory is becoming an indispensable component in mobile embedded systems due to its versatile features: non-volatility, solid-state reliability, low power consumption. NAND flash has the nature of high density and low cost. With the shadowing technique support, NAND flash will replace NOR flash for the embedded memory system code storage in nearly future. The more a
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Chiung-I, Huang, and 黃瓊儀. "Power--between the virtual and the reality." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/09350860754911376988.

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碩士<br>南華大學<br>教育社會學研究所<br>89<br>Power acts everywhere,from the individual to the whole global.When we enter into the cyber space,what kinds of power relationship between virtual and reality will be? In this text,we''ll discuss how the individual gets the power through exchange between virtual and reality. The power elites establish a new class system in the information society.What is the different between the old class system and the new one? When the virtual invades the reality,the autocratic countries will be challeaged.It may be bringing the democracy to the people.Th
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Matos, João Miguel Bico Alves. "Commercial Demand Response in Virtual Power Plants." Master's thesis, 2021. https://hdl.handle.net/10216/133033.

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Global economy growth, continuous development and the extensive use of technologies by consumers is increasing the demands of consumers for a reliable and efficient energy supply. Along with the rising energy consumption in the world, new technologies will influence the way we generate, distribute and consume energy. Alongside others, distributed energy generation is expected to become a major trend in many countries. The fast upward penetration of Distributed Energy Resources (DER) and the ongoing trend towards a more competitive electricity market requires new technologies and policies to ha
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Matos, João Miguel Bico Alves. "Commercial Demand Response in Virtual Power Plants." Dissertação, 2021. https://hdl.handle.net/10216/133033.

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Global economy growth, continuous development and the extensive use of technologies by consumers is increasing the demands of consumers for a reliable and efficient energy supply. Along with the rising energy consumption in the world, new technologies will influence the way we generate, distribute and consume energy. Alongside others, distributed energy generation is expected to become a major trend in many countries. The fast upward penetration of Distributed Energy Resources (DER) and the ongoing trend towards a more competitive electricity market requires new technologies and policies to ha
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44

Lee, Jin-Chang, and 李錦昌. "A PC-Based Virtual Instrument for Power Analyzers." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/30864318475076647954.

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碩士<br>義守大學<br>電機工程學系<br>89<br>Three PC-based Virtual Instruments (VI) for power analyzers are developed in the thesis. The proposed VI is based on LabVIEW (Laboratory Virtual Instrument Engineering Workbench) language under the workbench of the MS Windows 95/98 operating system. Instead of theoretical research, some practical sub-VIs, such as the harmonic analyzer, power factor and power measurement, TCP/IP read and TCP/IP write etc., are developed first. By using those developed sub-VIs, three VI including the power analyzer, power quality recorder and internet-based power quality recorder ca
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45

Chi-Yuan, Chen, and 陳啟元. "Physical Channel and Virtual Channel Power Model Comparison." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/68996101214061792467.

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碩士<br>亞洲大學<br>經營管理學系碩士班<br>97<br>In today's society, often have the channel predominant the marketing. Application of science and technology network in the commercial prosperity of increasing competition in the business has changed the structure of the end of the 20th century, from which the electronic commerce (E-commerce) is produced, providing an alternative channel model for selling products. With the development of the E-commerce, enterprises have to face a new business model, and supply chain management (SCM) is the optimal solution to implement and integrate E-commerce and competitive a
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Lu, Kuei-Wan, and 呂奎宛. "An Integrated Environmental Assessment of Virtual Power Plant." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/01195249843923802627.

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碩士<br>臺灣大學<br>環境工程學研究所<br>98<br>Virtual power plant (VPP) is contemplated in this research, which considers electricity supply and electricity final demand, to decrease the environmental impact by changing of the electricity consumption patterns. The electricity consumption varied with electricity final demand is analyzed by the electricity input-output analysis (EIOA), and the environment impact is quantified by life cycle assessment (LCA), including human toxicity (carcinogenic and non-carcinogenic), respiratory, photochemical oxidation, terrestrial ecotoxicity, aquatic ecotoxicity, aquatic
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Malik, Alok, and Biswabhusan Nayak. "Virtual instrument based fault detection in three phase circuit." Thesis, 2013. http://ethesis.nitrkl.ac.in/4995/1/109EE0289VIRTUAL_INSTRUMENT_BASED_FAULT_DETECTION_IN_THREE_PHASE_CIRCUIT.pdf.

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At present the field of science, engineers and technology is so dynamic due to recent improvement in computer and other technologies. The advances in computer field developed such programs to solve our traditional and novel problems of practical life. We can solve our complex problems within a few minutes due to high computational abilities, accuracy of computer based programs. For electrical people there are many software programs are currently used in academia to design and analyse different kinds of electrical circuits and models. The main objectives of this report is to design three phase
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Wu, Ming-Zhi, and 吳銘智. "Power Saving of Virtual Machine Assignment Research based on Different Performance of Virtual Machine Distribution." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/04922861301072052465.

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碩士<br>淡江大學<br>電機工程學系碩士班<br>101<br>MapReduce is a kind of distributed computing system, and also many people use it nowadays. In this paper, the Green Master based on MapReduce is proposed to solve the problem between load balance and power saving. There are three mechanism proposed by this paper to improve the MapReduce system efficiency. First, a brand new architecture called Green Master is designed in the system. Second, Benchmark Score is added to each service in the cluster. In the last, an algorithm about how to distinguish the high score service and the low score service, and explain ho
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Chia, An, and 夏安. "Low Power and Access Delay for Virtual Cache Design." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/31997155525584143514.

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碩士<br>逢甲大學<br>資訊工程所<br>98<br>In recent years, the demand of user are increasing, and the application are more and more complex, many embedded device start used operation system and virtual memory to help manage. However, when virtual memory is used, there are two kind of cache architecture: 1) physical cache and 2) virtual cache. For the first, the cache is access by physical address, therefore, cache before the access must be translation the virtual address to physical address, however, the translation is a waste of time and limit the capacity of cache. For the second design, virtual address
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Lin, Sheng-kai, and 林聖開. "Operation Planning of Virtual Power Plant with Demand Response." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/22681905795746090713.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>103<br>Owing to the increase of power demand and rising awareness of environmental protection, people start to adopt clean power. Many countries enact codes to promote the development of renewable energy, including photovoltaic, wind turbine and hydro generator. The growing demand has been a heavy burden on the power system. In order to meet the demand, the concept of virtual power plant has been proposed. The concept integrates the operation of supply-side and demand-side assets to meet customer demand for energy services in both the short-term and long-term. In s
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