Ústav elektroenergetiky
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Cable Monitoring Using Broadband Power Line Communication
(MDPI, 2022-04-14)Power line communication (PLC) is considered one of the possible communication technologies for applications in the field of smart metering, smart substations, smart homes, and recently for the management of renewable ... -
Production and Monitoring of Neutron Flux by Activation Detectors
(EDP Sciences, 2021-11-19)The neutron generation technique was tested on the microtron M-10 with an output electron beam of 8.7 MeV. Given the low energy that the microtron can provide to electrons, the bremsstrahlung induced photonuclear reaction ... -
Resource management with kernel-based approaches for grid-connected solar photovoltaic systems
(Cell Press, 2021-12-20)The increasing penetration of photovoltaic (PV) power generation into the distribution grids has resulted in frequent reverse active power flows, rapid fluctuations in voltage magnitudes, and power loss. To overcome these ... -
Earth fault location based on evaluation of voltage sag at secondary side of medium voltage/low voltage transformers
(IET, 2015-08-07)The main reasons for installation of power quality meters in distribution transformer substations are power quality monitoring and global evolution of electrical network towards the smart grid. In case that all measurements ... -
Analysis of Intensively Blasted Electric Arc Burning in the Arc Heater's Anode Channel
(Czech Technical University in Prague, 2016-10-31)The paper deals with the description of the intensively blasted electric arc burning in Ar in the anode channel of the arc heater operated under various conditions. Directly measured experimental data (current, voltage, ... -
The Mini Labyrinth - a Simple Benchmark for Radiation Protection and Shielding Analysis
(EDP Sciences - Web of Conferences, 2021-11-19)The Mini Labyrinth experiment is a simple neutron and gamma shielding experiment developed at STU, inspired by the ALARM-CF-AIR-LAB-001 ICSBEP benchmark experiment. The STU Mini Labyrinth is approximately ten times smaller ... -
Impact of advanced inverter functions on low-voltage power grids
(WILEY, 2021-04-23)In today's power grid, a great number of inverter-based distributed energy resources (DERs) are connected and are mainly designed to supply power without considering the voltage and frequency deviations of the grid. ... -
Hybrid Energy System - Optimization and New Concept
(Lublin University of Technology, 2014-09-16)Paper presents a research related to the design of a new concept of hybrid energy system. It describes actually used concepts and the benefits of new design. Subsequently, the problems of the proper systems setting and ... -
Performance Testing and Methodology for Evaluation of Power Line Communication
(Kaunas University of Technology, 2018-06-29)The paper describes a unified methodology which takes into account the advantages and disadvantages of different Power Line Communication (PLC) technologies suitable for Smart Metering deployment. The methodology should ... -
Distribution of neutrons and protons in elongated targets
(EDP Sciences, 2020-10-03)Analysis of neutron distribution was carried out for two elongated targets. The targets have cylindrical shape and are made of lead and carbon, respectively. The dimensions are approximately one meter in length and 19 cm ... -
Transient Current Density in a Pair of Long Parallel Conductors
(MDPI, 2021-07-27)Two infinitely long parallel conductors of arbitrary cross section connected to a voltage source form a loop. If the source voltage depends on time, then due to induction there is no constant current density in the loop ... -
Measurement of the high energy neutron flux on the surface of the natural uranium target assembly QUINTA irradiated by deuterons of 4 and 8 GeV energy
(Elsevier, 2015-12-12)Experiments with the natural uranium target assembly “QUINTA” exposed to 4 and 8 GeV deuteron beams of the Nuclotron accelerator at the Joint Institute for Nuclear Research (Dubna) are analyzed. The reaction rates of ... -
Photovoltaic Power Plant Inspection and Diagnostic
(Lublin University of Technology Publishing House, 2015-09-02)This paper presents methods of photovoltaic panel inspection in the field. The aim is to verify value of on-site tests. The basic parameters for comparing the quality of photovoltaic panels are indicated by the manufacturer’s ... -
On the Selection of Integration Intervals for the Calculation of Mean Absorption Coefficients
(Springer US, 2015-10-18)In radiation modeling of thermal plasmas non-grey models are applied where the radiative transport is described in several frequency bands (spectral intervals). Hereby mean absorption coefficients have to be calculated by ... -
Implementation of Energy Management in the Industrial Sectors
(WSEAS, 2021-07-16)This paper examines whether the implementation of measures through standards, directives and regulations is sufficient to achieve the timely energy policy goals. Furthermore, it needs to be clari-fied whether energy ... -
Broadband Power Line Communication for Integration of Energy Sensors within a Smart City Ecosystem
(MDPI, 2021-05-13)The popularity of the Power Line Communication (PLC) system has decreased due to significant deficiencies in the technology itself, even though new wire installation is not required. In particular, regarding the request ... -
EXPERIMENTAL INVESTIGATION OF CRITICAL HEAT FLUX IN ANNULUS AT LOW PRESSURE AND LOW FLOW PARAMETERS
(Czech Technical University in Prague, 2020-12-01)Steady state flow boiling experiments were conducted on a technically smooth Inconel 625 tube with outer diameter 9.1 mm at inlet pressures 131, 220 and 323 kPa, inlet temperatures 62, 78 and 94 °C and approximately 400, ... -
Investigation of critical heat flux on abraded inconel 625 tube
(Czech Technical University in Prague, 2020-12-01)Aim of this work was to study flow boiling in an annular channel at low pressure and lowflow on a tube with modified surface roughness. The tube with the outer diameter of 9.14 mm and theheated length of 380 mm was made ... -
Analysis of fast neutron transport in chloride salts using Monte Carlo method
(Czech Technical University in Prague, 2020-12-01)The aim of this paper is to present results of fast neutron behavior analysis within the chloride salts environment using simulations based on Monte Carlo method (MCNP 6.2). Three non-fueled salts (NaCl, KCl, MgCl2) and ... -
Stabilita elektrizační soustavy
(Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2021-02-26)Publikace se zaměřuje na stabilitu elektrizační soustavy a její dílčí problémy – úhlovou, frekvenční a napěťovou stabilitu. Tato témata jsou popsána teoreticky i pomocí příkladů pro program MODES.
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