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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 42
Bělík, Milan
Emergency island grids with small hydro power stations

Bělík, Milan
Calculation of solid particle trajectory inside electrical separator based on measured values

Jiřinec, Jakub , Rot, David , Velev, Raytcho
The energy efficient solution for intelligent lighting

Noháč, Karel , Raková, Lenka , Mužík, Václav , Máslo, Karel
Open source platforms for dynamic stability assessment

Hromádka, Aleš , Martínek, Zbyněk
Usability assessment of mathematical models of the bathtub curve

Olkhovskiy, Mikhail , Müllerová, Eva , Martínek, Petr
Single-wire electric power transmission system

Bělík, Milan , Noháčová, Lucie
Small hydro power plants operating as backup source in local island

Závorka, Jiří , Lovecký, Martin , Jiřičková, Jana , Škoda, Radek
Feasibility of using erbium as burnable poison in VVER-1000 fuel assembly

This study shows the feasibility of using Erbium as a burnable absorber (BA) in the VVER-1000 reactor. Nowadays, Gd2O3 is commonly used BA in the form of additive compounds in the nuclear fuel for light water reactors. This analysis compares standard gadolinium absorber with a...

Lovecký, Martin , Závorka, Jiří , Jiřičková, Jana , Škoda, Radek
Impact of burnable absobers on nuclear data uncertainty analysis for fuel assembly depletion

Nuclear data uncertainty propagation can be analyzed for various applications. Uncertainty of neutron multiplication factor during fuel depletion is the response quantity of interest for burnable absorber research. Three different fuel assembly (FA) designs were analyzed, FA without burnable absorber&...

Pihera, Josef , Hornak, Jaroslav , Voborník, Aleš , Kupka, Lukáš , Chládek, Svatoslav , Haller, Rainer
Partial discharges pulse shape analysis at AC and DC

Partial discharge (PD) signal analysis is a well-known tool for monitoring the conditions of insulation systems of electrical machines and equipment. Classical analyzes of PD are mostly based on the eval- uation of the phase angle of the test voltage at which partial discharges...

Vilímová, Eva , Mašata, David , Lovecký, Martin , Škoda, Radek
Application of serpent code calculations: tritium production using fast neutrons

This paper focuses on tritium production by fast neutrons (especially neutrons with energy 14.029 MeV). Research on tritium production is important and useful in designing future fusion reactors since tritium serves as the principal fuel in DT fusion. Many neutron reactions of different...

Benešová, Zdeňka , Haller, Rainer , Hamar, Roman , Martínek, Petr , Müllerová, Eva , Summer, R.
Some issues related to impulse testing of gaseous insulation with synthetic air

Impulse testing procedures are commonly used for various investigation of high- voltage insulation. Especially for introduction of new type of electrical insulation, like ecofriendly gases alternative to SF6, the statistical behavior of breakdown voltage should be evaluated. The paper deals with&...

Zeman, Michal , Škoda, Radek
Comparison of iba & ifba type of burnable absorbers composed of two elements for evolutionary power reactor

Nowadays the study of absorbing materials and nuclear fuel is a very current topic. The research of burnable absorbers (sometimes called burnable poisons), control rods and soluble absorbers is very important. This paper describes the possibility of using a combination of materials as&#...

Mašata, David , Vilímová, Eva , Škoda, Radek , Lovecký, Martin
Application of UWB1 code on tritium production calculations

The article focuses on the possibilities of the production of fusion reactors fuel - tritium. Nuclear fusion is one of the most promising ways to tackle rising power consumption. The aim of this research is to propose the most suitable tritium breeder. Numerous calculations we...

Fořtová, Anna , Závorka, Jiří , Škoda, Radek
Ex-core neutron flux monitoring system in graphite prism for gen. IV reactors

Nowadays Gen. IV reactors are attracting more attention, and so the same attention should be given to the safety and security requirements of these reactors. One of the most critical safety criteria is connected to the control of the chain reaction and thus to the neutron...

Závorka, Jiří , Lovecký, Martin , Jiřičková, Jana , Škoda, Radek
Enhanced nuclear safety of spent fuel

Criticality safety analysis of highly enriched nuclear fuels requires sophisticated calculation techniques like burnup credit in order to show that fuel reactivity is below legislative limits. However, new fuel types are continuously introduced and the increase of the boron concentration in ...

Noháč, Karel , Noháčová, Lucie , Mužík, Václav
Actual possibilities of open-source applications for analysis of power systems

The paper recapitulates the current state and the assumed near future view of the possibility using opensource free software for complex simulation analysis of power systems. The declared general properties and capabilities of significant representative current tools for modeling complex power&#x...

Dvorský, Emil , Hejtmánková, Pavla , Raková, Lenka
How to replace electric power system inertia

The Electric Power System (ES) must address two unique requirements - the need to maintain balance between generation and load, at the required time and with the required quality, and the need to adjust generation (or load) to manage power flows through individual transmission ...

Hruda, Lukáš , Dvořák, Jan , Váša, Libor
On evaluating consensus in RANSAC surface registration

The topic of the article is new insights into the load of transformers depending on their own losses. Transformers are among the most common, but important elements of the transmission and distribution networks. This is a reliable device with a guaranteed lifetime at the level...

Rot, David , Jiřinec, Jakub
Preliminary experiments while designing a cold crucible for metal melting

The article deals with measurement of indoor environment parameters in a classroom equipped with heat recovery unit. The first part of the article is devoted to the own measuring system which is based on NI hardware (LabVIEW) in combinations with measuring sensors. Next part s...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 42