Proceedings of the intensive programme 2010 Domovská stránka kolekce Zobrazit statistiky

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Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 1 až 20 z 30
Ščerba, Eduard
Biomass energy usage in the world, Europe and in the Czech republic

Veleba, Jan
Stability algorithms for Newton-Raphson method in load flow analysis

This paper deals with possible algorithms, which may ensure numerical stability of Newton-Raphson method in load flow analysis. Although the Newton-Raphson method is frequently used, it may have difficulties to obtain convergence. Oscillations, divergence or even convergence to unfeasible ...

Vaněk, Josef
The electrical radiant panels and radiant floor heating

This article deals with radiant heating systems. It also deals with the heating of wall-mounted radiant panels, ceiling-mounted radiant panels and radiant floor heating. Advantages of radiant floor heating are showed as well. Various types of radiant floor heating are mentioned a...

Šantín, Vlastimil
Mathematical modelling of doubly-fed asynchronous generator

This paper deals with mathematical modelling of doubly-fed asynchronous generator for wind power plant by the space phasors method. In this paper, the basic principles and characteristics of the system are briefly described, the mathematical description of this machine is shown, ...

Majer, Viktor
System and ancillary services

This paper deals with support and ancillary services which are provided by CEPS a. s. Czech republic System service ensured a balance between production and consumption of electricity and the quality and control of the entire electricity system. The aim of the paper is&...

Kysela, Adam
Electromagnetic interference of high-voltage equipment

This work deals with electromagnetic interference high-voltage equipment. Are described sources of interference and their effects. Furthermore, there are practical ways to describe constraints HF noise.

Krutina, Aleš
AMR/AMI: automatic meter reading & advanced metering infrastructure

This paper deals with new methods of measurement in an electrical grid. The aim of the paper is to explain the way of distant measuring and shows the hardware solutions. AMR & AMI are very important parts of the smart grid concept.

Klasna, Jan , Fanta, Radek
Influence of electrode setting to main insulation tgδ measurement of turbogenerator bars

This paper describes power loss factor measuring of turbogenerator bars. Then it focuses in influence of measuring electrode setting to power loss factor magnitude. It was tested 16 measuring electrode settings. Measurements showed weaknesses in certain methodologies and therefore were...

Král, Ondřej
Optimalization of connection the secondary winding of the auxiliary normal transformer in the nuclear power plant

The nuclear power plants use for supply of onsite power system the normal, standby and emergency sources. The subject of my report is the optimalization of winding connection of lower voltage of auxiliary normal and standby transformers. The suppliers use the delta connectio...

Ježek, Václav
Perspective generator circuit breaker

This paper deals with the essential function of generator circuit breaker in power plant. The aim of the paper is to analyse very demanding current and voltage conditions which are directly influencing the reliability of energy generating process. The development in the fiel...

Hromádka, Miroslav
Negative influences on shielding effectiveness

This article describes how can be shielding effectiveness (SE) measured and calculated. There are mentioned systems for SE measuring and possibility of their usage in our laboratory. Then there are introduced some factors influencing shielding such as holes and gaps in cover ...

Bublík, Jaroslav
Magnetic heating of billets

This paper deals with new technology in industrial heating processes – magnetic heating of billets. The aim of the paper is to explain the principle of this technology, construction of the industrial device and differences between classical induction heating and magnetic heating&...

Noháčová, Lucie
Mögliche Müllverbrennungsanlage bei Pilsen

This paper describes the opportunity in the Pilsen region to build complex for waste incinerator. The new waste incinerator in Chotíkov could by have positive impact on the environment in this region. Building of this complex took a few months. It will be the equip...

Noháčová, Lucie , Šafařík, Miroslav
Ökologischer Energetischer Block im betrieb versorgt Pilsen mit grüner energie

This paper describes the opportunity in the energy generation and energy use by the Pilsen heat power station and their positive impact on the environment by the biomass integration for energy generation. Building of this complex took 20 month. It was the equipment, whi...

Benešová, Hana
Problems of utilization of heat pumps

This paper is focused on problematic of the utilization of the heat pumps. Its first part is dedicated to this method of the heating generally. The principle of the heat pumps, their basic part and their division are presented here. Then the heat pump market i...

Erlebach, Jiří
Climatic conditions influences on conversion efficiency of renewable power resources

The main purpose of this paper is to analyze measured data from photovoltaic system placed on the building of Faculty of Electrical Engineering in Pilsen, to figure out optimal inclination of installation, to evaluate measured and calculated characteristics and to set possible&#x...

Šafařík, Miroslav , Noháčová, Lucie , Královcová, Veronika
Fotovoltaic technology in conditions of the Czech republic in 2010

There is an extraordinary development and faith nowadays in the field of photovoltaic technology, due to its parameters. This kind of technology is perfect to use in the conditions of an isolated operation network, because of its independence from power grid, usage of p...

Šantín, Vlastimil
Influences of wind power plants on power system

This paper deals with influences of the wind power plants connection on the operation of distribution and transmission systems. There are briefly explained and described the most severe and significant of these unfavourable impacts in term of local and system.

Benešová, Hana
Monocrystalline silicon technology of the future: sliver modules

Problems of the photovoltaic cells becomes more and more topical in connection with sharply rising prices of the electrical energy and thus the new technology of solar cells produce are invented. This paper is focused on problematic of one of the new trends in the&...

Dedinská, Lýdia , Medveď, Dušan
Photovoltaic solar energy in Europa

Solar energy refers primarily to the use of solar radiation for practical ends. However, all renewable energies, other than geothermal and tidal, derive their energy from the sun. Solar technologies are broadly characterized as either passive or active depending on the way they cap...

Záznamy kolekce (řazeno podle Datum zaslání v sestupně pořadí): 1 až 20 z 30