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SAIDI and SAIFI Calculation for a Low Voltage Distribution Networks in Mesh Configuration
Dohnal, Josef ; Souček, Jan (referee) ; Paar, Martin (advisor)
This diploma thesis aims to briefly interpret problems relating to continuity of distribution of electrical energy in a distribution network of low voltage. It also mentions methods of calculation of a distribution system´s reliability which are the most used in practice. Next, there is a chapter dedicated to how distribution networks are projected and operated in the Czech Republic and in the United Kingdom. Based on experiences with meshed networks operation this thesis designs protection of meshed distribution network of low voltage. In the end, a non-sequential method of Monte Carlo is used to calculate System Average Interruption Index (SAIDI) and System Average Interruption Frequency index (SAIFI).
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Determination of the energy potential of autonomous object and its use
Dohnal, Josef ; Šlezingr, Jan (referee) ; Baxant, Petr (advisor)
The aim of this bachelor´s thesis is to refer briefly about possibilities of obtaining energy from locally available resources for autonomous object and the definition of the term – an autonomous object. This bachelor´s thesis mentions processes how to gain energy from different sources, possibilities of their implementation (from a legislative perspective) or suggestions on how to save gained energy. We are concerned in the autonomous objects primarily and in the acquisition of heat and electrical energy, so the thesis is also divided into two main subsections dedicated to determining the required amount of the energy that would cover our demand for it. The next section briefly discusses the construction of Savonius wind turbine generator which we can build ourselves. This is a hybrid system that consists of a solar photovoltaic panel and the wind turbine with the appropriate electrical devices. Construction of Savonius wind turbine is documented in the chapter Appendix, where you can find photographs showing construction phases. It should be noted that the construction is not completed and the determination of some parameters were not possible technically at home. These measurements would be flawed. Individual issues are then briefly explained and described how they would be in the ideal case. In conclusion, the procedure for calculating is outlined by the method called NPV (Net Present Value), which is often used.
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The Specifics of a Russian Phenomenology and IIs Its Relevance for Literary Studies
Šimák, Petr ; Svatoň, Vladimír (advisor) ; Dohnal, Josef (referee) ; Müller, Richard (referee)
The aim of the thesis is to advert to precarious position of the history of literature and some other literature theories. The history of literature describes literary texts as dead historical objects. Although it's a human science, it disregards a human beings and their life-world. It rather categorize technically literary texts into different groups. This approach is purely scientific. The history of literature as many other branches of literary science solves their own abstract problems through the abstract theories which has no aim to interpret the literary text as a specific experience for a reader. The article points out how the scientific approach to the literary text disable to interpret a conrete literary text in the sense for human being. I use phenomenological philosophy as a proposal of another type of approach to the interpretation. Interpretation in the phenomenological sence means that through literary text the interpret seeks to understand our living world. In the other parts I follow the trail of phenomenological philosophy in tradition of Prague structuralism. Especially I focus on specifics of Russian phenomenology, particularly in philosophies of these Russian philosophers which dealed with interpretation of art (namely J. Golosovker, B. Engelgardt, G. G. Shpet, M. Bakhtin etc.). At the...
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The Specifics of a Russian Phenomenology and IIs Its Relevance for Literary Studies
Šimák, Petr ; Svatoň, Vladimír (advisor) ; Müller, Richard (referee) ; Dohnal, Josef (referee)
The aim of the thesis is to think over the possibilities of the history of literature and some other literature theories in the field of interpretation. The history of literature describes literary texts as historical objects. Although it's a human science, it disregards a human beings and their life-world. It rather categorize technically literary texts into different groups. This approach is purely scientific. The history of literature as many other branches of literary science solves their own abstract problems through the abstract theories which has no aim to interpret the literary text as a specific experience for a reader. The article points out how the scientific approach to the literary text disable to interpret a conrete literary text in the sense for human being. I use phenomenological philosophy as a proposal of another type of approach to the interpretation. Interpretation in the phenomenological sence means that through literary text the interpret seeks to understand our living world. In the other parts I follow the trail of phenomenological philosophy in tradition of Prague structuralism. Especially I focus on specifics of Russian phenomenology, particularly in philosophies of these Russian philosophers which dealed with interpretation of art (namely J. Golosovker, B. Engelgardt, G....
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The Specifics of a Russian Phenomenology and IIs Its Relevance for Literary Studies
Šimák, Petr ; Svatoň, Vladimír (advisor) ; Dohnal, Josef (referee) ; Müller, Richard (referee)
The aim of the thesis is to advert to precarious position of the history of literature and some other literature theories. The history of literature describes literary texts as dead historical objects. Although it's a human science, it disregards a human beings and their life-world. It rather categorize technically literary texts into different groups. This approach is purely scientific. The history of literature as many other branches of literary science solves their own abstract problems through the abstract theories which has no aim to interpret the literary text as a specific experience for a reader. The article points out how the scientific approach to the literary text disable to interpret a conrete literary text in the sense for human being. I use phenomenological philosophy as a proposal of another type of approach to the interpretation. Interpretation in the phenomenological sence means that through literary text the interpret seeks to understand our living world. In the other parts I follow the trail of phenomenological philosophy in tradition of Prague structuralism. Especially I focus on specifics of Russian phenomenology, particularly in philosophies of these Russian philosophers which dealed with interpretation of art (namely J. Golosovker, B. Engelgardt, G. G. Shpet, M. Bakhtin etc.). At the...
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The Specifics of a Russian Phenomenology and IIs Its Relevance for Literary Studies
Šimák, Petr ; Svatoň, Vladimír (advisor) ; Müller, Richard (referee) ; Dohnal, Josef (referee)
The aim of the thesis is to think over the possibilities of the history of literature and some other literature theories in the field of interpretation. The history of literature describes literary texts as historical objects. Although it's a human science, it disregards a human beings and their life-world. It rather categorize technically literary texts into different groups. This approach is purely scientific. The history of literature as many other branches of literary science solves their own abstract problems through the abstract theories which has no aim to interpret the literary text as a specific experience for a reader. The article points out how the scientific approach to the literary text disable to interpret a conrete literary text in the sense for human being. I use phenomenological philosophy as a proposal of another type of approach to the interpretation. Interpretation in the phenomenological sence means that through literary text the interpret seeks to understand our living world. In the other parts I follow the trail of phenomenological philosophy in tradition of Prague structuralism. Especially I focus on specifics of Russian phenomenology, particularly in philosophies of these Russian philosophers which dealed with interpretation of art (namely J. Golosovker, B. Engelgardt, G....
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How Invitation to a Beheading is Made. Theatrical and Polemic Elements in Vladimic Nabokov's Novel
Lenz, Linda ; Svatoň, Vladimír (advisor) ; Dohnal, Josef (referee) ; Pechal, Zdeněk (referee)
The work focuses on the analysis of the poetics of Vladimir Nabokov's novel Invitation to a Beheading in terms of its cultural context. Specifically deals with its relation to the Soviet theatrical avant-garde, with mythopoetic symbolism and early avant-garde. We approach to the novel as a parody of the post-revolutionary avant-garde Soviet theater experiments. Special attention is paid to the fact that due to the theatralization of the text, i.e. assimilation of the novel space with the theatricals, diegesis of Invitation to a Beheading is divided into two equal opposing worlds, each of which represents particular poetics. World built around main character of Cincinnatus is comparable to symbolism, namely to the symbol and symbolistic perception of Andrei Bely. The central principle of this reality is semiotization of the world. The surrounding fictional world creates its opposite as it is shaped by the principle of desemiotization which - as a central aspect of formalistic-futuristic avant- garde - systematically dismantles hero's world. However neither of these worlds is winning. In the end it is the synthesis, which helps the hero get emancipated from the novel's world. The Invitation to a Beheading can therefore be interpreted as original artist's world manifesto which through presentation and...
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Determination of the energy potential of autonomous object and its use
Dohnal, Josef ; Šlezingr, Jan (referee) ; Baxant, Petr (advisor)
The aim of this bachelor´s thesis is to refer briefly about possibilities of obtaining energy from locally available resources for autonomous object and the definition of the term – an autonomous object. This bachelor´s thesis mentions processes how to gain energy from different sources, possibilities of their implementation (from a legislative perspective) or suggestions on how to save gained energy. We are concerned in the autonomous objects primarily and in the acquisition of heat and electrical energy, so the thesis is also divided into two main subsections dedicated to determining the required amount of the energy that would cover our demand for it. The next section briefly discusses the construction of Savonius wind turbine generator which we can build ourselves. This is a hybrid system that consists of a solar photovoltaic panel and the wind turbine with the appropriate electrical devices. Construction of Savonius wind turbine is documented in the chapter Appendix, where you can find photographs showing construction phases. It should be noted that the construction is not completed and the determination of some parameters were not possible technically at home. These measurements would be flawed. Individual issues are then briefly explained and described how they would be in the ideal case. In conclusion, the procedure for calculating is outlined by the method called NPV (Net Present Value), which is often used.
|
|
|
SAIDI and SAIFI Calculation for a Low Voltage Distribution Networks in Mesh Configuration
Dohnal, Josef ; Souček, Jan (referee) ; Paar, Martin (advisor)
This diploma thesis aims to briefly interpret problems relating to continuity of distribution of electrical energy in a distribution network of low voltage. It also mentions methods of calculation of a distribution system´s reliability which are the most used in practice. Next, there is a chapter dedicated to how distribution networks are projected and operated in the Czech Republic and in the United Kingdom. Based on experiences with meshed networks operation this thesis designs protection of meshed distribution network of low voltage. In the end, a non-sequential method of Monte Carlo is used to calculate System Average Interruption Index (SAIDI) and System Average Interruption Frequency index (SAIFI).
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