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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Dynamics and control of switchmode power conversions in distributed power systems /

Choi, Byungcho, January 1992 (has links)
Thesis (Ph. D.)--Virginia Polytechnic Institute and State University, 1992. / Vita. Abstract. Includes bibliographical references (leaves 183-188). Also available via the Internet.
2

Self powered sensing by combining novel sensor architectures with energy harvesting

Bedekar, Vishwas. January 2009 (has links)
Thesis (Ph.D.)--University of Texas at Arlington, 2009.
3

Renewable energy in Montana system applications and technlogy /

Corr, Mandi Lee. January 2008 (has links) (PDF)
Thesis (M.A.) -- University of Montana, 2008. / Title from author supplied metadata. Description based on contents viewed on July 15, 2009. Includes bibliographical references.
4

The energy resources of the United States in relation to future population developments

Rayhawk, Arthur Louis, January 1932 (has links)
Thesis (Ph. D.)--Catholic University of America, 1932. / "Biographical note." Errata slip mounted on p. [7]. Bibliography at end of each chapter.
5

Integração vertical, concentração e exclusão na citricultura paulista.

Santos, Ana Claudia Vieira dos 01 January 2003 (has links)
Made available in DSpace on 2016-06-02T19:50:04Z (GMT). No. of bitstreams: 1 TeseACVS.pdf: 675186 bytes, checksum: 67b856479ec3ed479604f17e0ed475de (MD5) Previous issue date: 2003-01-01 / Financiadora de Estudos e Projetos / This work presents a study regarding the strategy adopted for the processing concentrated orange juice companies to produce in proper orchards. It is treated to analyze the vertical integration process, that it occurs from the end of 80´s and that goes to provoke several changes in the interior of the citric network. The objective established here is to discuss the strategy of the companies, searching to understand what role is performed by the land, while it assumes not only the function of asset of capital, but of liquid asset too. Considering the characteristics of the land market in Brazil, that functions without restrictions and privileges who get more financial resources, and also that the land fulfills the function of value reserve, this analyze becomes important, as that vertical integration necessarily involves the land purchase. The hypothesis raised of that the land (while liquid active) fulfill influence in the enterprise strategy, mainly because it initiates in a period of economical instability, that favors the land purchase as a safe form to apply resources. At the same time, the institutional environment is favorable and the companies strategy does not find any type of restriction, formal or informal, in what refers to the lands purchase. The citrus complex is studied through the policy networks, the enterprises actions are looked through resouce-based perspective and dynamic capability and the institutional environment is used because is considered that the system regulation is important to define his dynamics. To the long of the work it is presented information that demonstrate the crisis of the orange producers and the process of exclusion what initiated after the changes of the 90 s, and that had beginning with the strategy of the industry in produce in self orchards. In the conclusion it is evidenced the importance of the land, wich convert in companies power resource, as well as the institutional environment importance in the decision of vertical integration for the processing concentrated orange juice companies. / Este trabalho apresenta um estudo a respeito da estratégia adotada pelas empresas processadoras de suco de laranja concentrado de produzir em pomares próprios. Trata-se de analisar o processo de integração vertical que ocorre a partir do final da década de 80 e que vai provocar diversas mudanças no interior da rede citrícola. O objetivo aqui estabelecido é discutir a estratégia das empresas, buscando entender que papel é desempenhado pela terra, na medida em que ela assume a função não apenas de ativo de capital, mas também de ativo líquido. Considerando as características do mercado de terras no Brasil, que funciona sem restrições e privilegia quem detém mais recursos financeiros, e também que a terra historicamente cumpre a função de reserva de valor, esta análise se torna importante, já que a integração vertical necessariamente envolve a compra de terras. A hipótese levantada é de que a terra (enquanto ativo líquido) exerce influência na estratégia empresarial, principalmente porque esta se inicia num período de instabilidade econômica, que favorece a compra de terras como uma forma segura de aplicar recursos. Ao mesmo tempo, o ambiente institucional é propício e a estratégia das empresas não encontra nenhum tipo de restrição, formal ou informal, no que se refere à compra de terras. O complexo citrícola é estudado através da perspectiva das Redes de Poder, as ações empresariais são olhadas sob a ótica da Perspectiva Baseada em Recursos e da Capacitação Dinâmica e o Ambiente Institucional é utilizado ao se considerar que a regulação do sistema seja importante para definir sua dinâmica. Ao longo do trabalho são apresentadas informações que demonstram a crise dos produtores de laranja e o processo de exclusão que se iniciou após as mudanças da década de 90 e que tiveram início com a estratégia das indústrias de produzirem em pomares próprios. Na conclusão fica evidenciada a importância da terra, que se torna um recurso de poder para as empresas, assim como a importância do ambiente institucional na decisão da integração vertical por parte das empresas processadoras de suco de laranja concentrado.
6

Státní podpora a zdanění obnovitelných zdrojů / State Aid and Taxation of Renewable Resources

Kouba, Matěj January 2011 (has links)
The thesis with the topic State Aid and Taxation of Renewable Resources deals with the renewable resources in general, reason of their support, function of renewable resources powerplants etc. This thesis describes also the state aid of renewable resources in the Czech Republic and their taxation as well. A small part of this thesis analyzes the state aid in the other EU countires and contains their comparision with the Czech Republic.
7

Automatická regulace napětí decentrálních zdrojů v síti vysokého napětí E.ON / Automatic Voltage Control of Distributed Generation in the E.ON Medium Voltage Grid

Skoupý, Martin January 2017 (has links)
Content of this master`s thesis is theoretical introduction of the power factor, reactive power and voltage control of decentralised sources of the high voltage in the E.ON distribution network. Furthermore, the thesis deals with possibilities of regulating the power factor and reactive power, carried on above-mentioned resources, in other to stabilize the voltage and overflow control of the reactive power to higher voltage level. The practical part describes how the automatic power factor and voltage control had been put into action by central management control within the headquaters dispatching systém of the company. Following chapter acquaints a reader with information of how the automatic power factor and voltage control had been tested and how it is utilized in practice. In the conclusion the work summarizes results and effects of the power factor regulation and voltage control to stabilize the voltage and the overflow of the reactive power in the E.ON network.

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