National Repository of Grey Literature 24 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
The desingn of the lighting protection for civil buildings
Šebesta, Ondřej ; Bátora, Branislav (referee) ; Toman, Petr (advisor)
This thesis focuses on the issue of lightning protection and goes along with ČSN EN 62 305 norms. First part goes into effects of lightning on objects and engineering networks in theory. Second part familiarizes external lightning protection and possibilities of its realization. The issues of internal protection against lightning and surge protection are analysed afterwards. Second half familiarizes protected family house and the risks are calculated for this house. External protection is designed and verified by protective angle and rolling sphere methods. Last part of this thesis focuses on internal surge protection and individual levels of surge protection are designed.
Application of overvoltage protection in LV networks
Knebl, Jan ; Novotný, Jan (referee) ; Bátora, Branislav (advisor)
This paper describes the design of surge protection for objects of civil construction. The aim of this paper is to acquaint the reader with the problems of this region, which is nowadays especially for houses neglected. The introductory part of the thesis is focused on the theoretical analysis of the problem and become familiar with the standards in force, without which a person moving in this field certainly can not do. In the first major section is a repartition surge in general terms. In the second chapter, a repartition of surge protection on the inside and outside and a description of the individual components of these protections. The third chapter is made complete design protection for the school building, the first step is an analysis of the risks to unprotected building, then the protected and ultimately design of internal and external surge protection. In the last chapter, a check is made of the risk analysis using DEHN Support.
Bicycle additional drive with a combustion engine and an electric powertrain
Doležal, Lukáš ; Pazdera, Ivo (referee) ; Vorel, Pavel (advisor)
The objective of this master's thesis is new power converter design for bicycle with combustion engine and electric power transmission. The power converter is control by microprocessor and control algorithm is designed to achieve maximum efficiently of combustion engine. Converter and servomotor for controlling combustion engine throttle are located in metal box. Hardware, firmware and metal box are designed in the thesis.
Design of overvoltage protections according to CSN EN 62 305
Pochop, Zbyněk ; Paar, Martin (referee) ; Bátora, Branislav (advisor)
This Bachelor's thesis deals with the procedure in designing overvoltage protections for an ordinary house according to a new set of standards CSN EN 62305. The work consists of three main parts. The first part deals with the method of risk management according to standard CSN EN 62305-2. Besides a theoretical introduction is made a risk analysis also numerically. Result of risk analysis has implications for the way forward surge protection design for the entire building. The second part deals with the external surge protection. In the second part of the text are suggestions down lead systems and primarily air terminals. Check over is subsequently verified by the methods of the protective angle method and the rolling ball. The study also addressed the issue of TV antennae on the roof near the air-termination network. The third part of this thesis deals with internal overvoltage protection, which mainly concerns the design and location of surge arresters and lightning arrester.
Testing of Surge Arresters
Jeřábek, Lukáš ; Paar, Martin (referee) ; Krbal, Michal (advisor)
This bachelor's thesis is devoted to metal oxide surge arresters. After historical and theoretical introduction, which explains their principles and describes their characteristical properties, analysis of the standard IEC 60099-4 and testing according to the standard with focus on the type tests follows. This chapter is also amended with review of the standard's imperfections and with its most probable future development. The work concludes with a market survey, a review of the largest manufacturers and a comparison of their products.
Design of Lightning Protection of Family House
Kovář, Zdeněk ; Bátora, Branislav (referee) ; Toman, Petr (advisor)
Bachelor´s thesis decribes the fundamental theory that is necessary for the proper design of the house from the damaging effects of lightning. The aim is to give a brief and comprehensive look into the issues. The first part of this thesis describes the emergence of lightning, adverse effects on protected and unprotected building and risk analysis. The second part presents the different types of protections. The following third part describes a brief overview of the history of standards and regulations and overview of standards currently valid in the Czech Republic. The last part of the thesis deals with the creation of my own proposal for lightning protection for the chosen fictitious family house.
Design of overvoltage protection for the object with explosive risk
Polášek, Roman ; Novotný, Jan (referee) ; Bátora, Branislav (advisor)
This master´s thesis deals with the designing process of surge protection for the object potentially explosive atmospheres and according to a set of standards ČEN EN 62305 and ČSN EN 60079. This work consists of four main parts. The first part deals with the theory of lightning and surges. Subsequently, in the second part is devoted to the theory of protection against these phenomena and proposals for external and internal lightning protection and surge. This chapter also deals with more demands on electrical installations in hazardous areas. The third part deals with the analysis of the risks to the subject paint and according to ČSN EN 62305-2 ed.2 and at the conclusion of the study is a proposal for external lightning protection and internal surge protection.
Design of power and data network of office building
Vančura, Jan ; Novotný, Jan (referee) ; Bátora, Branislav (advisor)
This thesis describes a design of a power and data network. The aim is to create a wiring project of an office building. The introduction of this paper describes, which requirements should have a project documentation and which software is used for designing. The third chapter deals with a description of parameters, which are used for lighting design. The fourth chapter describes power distribution, the types of power distribution (light, socket) and how they are being correctly designed. The fifth chapter analyses data distribution (EZS, EPS, TEL, …). There are designed surge protection and protection for the object in the last part of this thesis. The practical part focuses on creating a drawing documentation, which contains design of power and data network. All project documentation is further discussed in the technical report.
Planning and design electrical protection in the house wiring
Chromík, Aleš ; Mastný, Petr (referee) ; Bátora, Branislav (advisor)
The work includes familiarization with the problems of protection from injuries by electric current that includes individual protections and their use. In the work is also included effect of electric current on humans. Another point is the familiarization of protection against external and internal atmospheric surge in house wiring. Project risk analysis, against injuries to living beings by lightning strike, is calculated for the protection of atmospheric surge. The main point of this work deals with the procedure of design process of house wiring protections for given object. The project includes technical drawing, which contains how to design power and data distribution systems and switchgears, as well as the drafting of lightning system which accuracy is verified by the methods of protective angle and the ball rolling. Design and location of the right types of surge protection arresters is selected for a given objects. All project documentation is discussed in the technical report, which refers to existing standards.
The design of the lightning protection for the house
Tesař, Luděk ; Bátora, Branislav (referee) ; Toman, Petr (advisor)
This work describes the design rules for the lightning protection of civic construction. The aim of this work is to provide a comprehensive view of the basic design rules for the lightning protection. The actual design is preceded by the detailed introduction to the relatively large problems in this sphere. The introductory part is focused on the approach of technical standards and legislative requirements. In the second chapter the thesis deals with lightning in general and lightning current and its parameters. The following chapter focuses on the effects of lightning current, indicating the damage caused by lightning strikes to the building or its surroundings. Then the thesis deals with analysis and risk management. The next chapter describes and explains the system of external and internal lightning protection. The last part is devoted to a specific design of the lightning protection for the chosen house.

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