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Search results for: POWER ELECTRONIUCS

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Search results for: POWER ELECTRONIUCS

  • Innowacyjność a Electronic Commerce

    Publication

    - Year 2005

    Innowacyjność jest kluczem do konkurencyjności w przemyśle. Przedsiębiorstwa powinny wprowadzać, rozwijać i sprzedawać nowe technologie. Promocja innowacyjności i wspieranie udziału MSP,są ściśle powiązane w tworzonej polityce innowacyjnej UE. Przeanalizowano programy UE wspierania innowacyjności i rozwijania technologi ICT przez MSP.

  • Electronic structure of CeBa2Cu3O7.

    Publication

    - PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS - Year 2003

    Przeprowadzono obliczenia ab initio struktury elektronowej związku CeBa2Cu3-O7(Ce123) metodą LAPW oraz porównano z analogicznymi strukturami otrzymanymi dla YBa2Cu3O7 (Y123), NdBa2Cu3O7(Nd123) i PrBa2Cu3O7(Pr123). Wszystkie wyliczone struktury pasmowe są zasadniczo podobne. W pracy postawiono hipotezę dotyczącą korelacji pomiędzy silnym rozszczepieniem spinowym w Pr123 i Ce123a niestabilnością strukturalną tych układów.

  • Active Power Quality Controllers

    Publication

    - Year 2008

    Dynamic Static Synchronous Compensator is the most important controller for distribution networks and probably in SEEN. It has been widely used since the 1990s to regulate system voltage precisely, improve voltage profile, reduce voltage harmonics, reduce transient voltage disturbances and load compensation. Rather than using conventional capacitors and inductors combined with fast switches, the D-STATCOM uses a power-electronics...

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  • Diagnosis in the power piston machines

    Publication

    - Combustion Engines - Year 2013

    W artykule przedstawiono obecne techniki monitorowania pracy silników i sprężarek dużej mocy. Ze względu na znaczne koszty ewentualnego wyłączenia z ruchu tego typu maszyn są one poddane obserwacji dla przewidywania ewentualnych awarii oraz planowych zatrzymań. Rośnie liczba zaawansowanych systemów pomiarowych z indykowaniem cylindrów. Dawne metody wibroakustyczne zastępowane są pomiarami parametrów procesu termodynamicznego. Słowa...

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  • The paradigms of power in the Russian Federation

    Publication

    - Year 2011

    This article outlines the position of the Russian Federation in the first decade of the 21th century, seen in its political, economic and military aspects. It attempts to document the fact that Russia, the former world superpower, has turned into a regional power.

  • Computer synchronization of power generators

    Publication

    - Measurement Automation Monitoring - Year 2003

    Aktualną staje się kwestia opracowania odpowiednich algorytmów pomiarów i obliczeń, według których będzie możliwe prowadzenie procesu automatycznej synchronizacji bezpośrednio z wykorzystaniem komputera. W artykule przedstawiono komputerową metodę realizacji warunku fazowego podczas synchronizacji oraz podano wyniki jej badań symulacyjnych oraz badań na obiektach rzeczywistych.

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  • Michał Michna dr hab. inż.

    People

    Department of Power Electronics and Electrical Machines

    Michal Michna received the M.Sc. and Ph.D. degrees in electrical engineering from the Gdansk University of Technology (GUT), Gdansk, Poland, in 1998 and 2005, respectively. Since 2004, he was employed at the Department of Power Electronics and Electrical Machines of the Gdańsk University of Technology (assistant, assistant professor, senior lecturer). In 2010-2015 he was a deputy of head of the Department of Power Electronics and...

  • International Journal of Fluid Power

    Journals

    ISSN: 1439-9776 , eISSN: 2332-1180

  • Journal of Energy and Power Engineering

    Journals

    ISSN: 1934-8975

  • ELECTRIC POWER SYSTEMS RESEARCH

    Journals

    ISSN: 0378-7796 , eISSN: 1873-2046

  • EUROPEAN TRANSACTIONS ON ELECTRICAL POWER

    Journals

    ISSN: 1430-144X

  • IEEE Power & Energy Magazine

    Journals

    ISSN: 1540-7977 , eISSN: 1558-4216

  • IEEJ Transactions on Power and Energy

    Journals

    ISSN: 0385-4213

  • IEEE TRANSACTIONS ON POWER DELIVERY

    Journals

    ISSN: 0885-8977 , eISSN: 1937-4208

  • Political Power and Social Theory

    Journals

    ISSN: 0198-8719

  • Euroheat and Power (English Edition)

    Journals

    ISSN: 1613-0200

  • Electric Power Engineering Technology

    Journals

    ISSN: 2096-3203

  • WSEAS Transactions on Power Systems

    Journals

    ISSN: 1790-5060 , eISSN: 2224-350X

  • Zhongguo Dianli/Electric Power

    Journals

    ISSN: 1004-9649

  • Journal of Power Sources Advances

    Journals

    eISSN: 2666-2485

  • Thermodynamic Cycle Concepts for High-Efficiency Power Plans. Part A: Public Power Plants 60+

    Publication

    - Sustainability - Year 2019

    An analysis was carried out for different thermodynamic cycles of power plants with air turbines. Variants with regeneration and different cogeneration systems were considered. In the paper, we propose a new modification of a gas turbine cycle with the combustion chamber at the turbine outlet. A special air by-pass system of the combustor was applied and, in this way, the efficiency of the turbine cycle was increased by a few points....

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  • A novel approach to energy safety improvement in the marine power plants with active power surge compensator

    Publication

    - Year 2016

    Paper raises a point of power surges and theirs adverse effects in the marine power plants. The article explains a source of surges appearance, and presents measurements carried out on a modern ship. It discusses effects of dynamic power transients on the ship’s energy safety. Finally it proposes, a novel approach for power surge elimination, based on medium voltage active conditioner. As well as it propose the topology and control...

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  • POWER ENGINEERING

    Journals

    ISSN: 0032-5961

  • AFM-assisted investigation of conformal coatings in electronics

    Publication

    - ANTI-CORROSION METHODS AND MATERIALS - Year 2016

    Purpose – This paper aims to presents a new method of investigation of local properties of conformal coatings utilized in microelectronics. Design/methodology/approach – It is based on atomic force microscopy (AFM) technique supplemented with the ability of local electrical measurements, which apart from topography acquisition allows recording of local impedance spectra, impedance imaging and dc current mapping. Potentialities...

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  • Grzegorz Lentka dr hab. inż.

    People

    Faculty of Electronics, Telecommunications and Informatics, Department of Metrology and Optoelectronics

    Grzegorz Lentka obtained his MSc title in electronics, specialization Measurement Systems at Gdańsk University of Technology, Faculty of Electronics, Telecommunications and Informatics in 1996. He obtained the PhD title in 2003 and habilitation in 2014, respectively. Currently he is an professor in Department of Metrology and Optoelectronics. His main scientific interests are focused on digital signal processing for metrology,...

  • PALAEONTOLOGIA ELECTRONICA

    Journals

    ISSN: 1935-3952 , eISSN: 1094-8074

  • Marek Adamowicz dr hab. inż.

    People

    Department of Controlled Electric Drives

    Stopień naukowy doktora uzyskał w 2008 r. na Wydziale Elektrotechniki i Automatyki Politechniki Gdańskiej. W latach 2005 – 2011 pracował na Akademii Morskiej w Gdyni. W 2010 r. jako laureat programu NCBR LIDER wybrał Wydział Elektrotechniki i Automatyki Politechniki Gdańskiej jako jednostkę realizującą swój projekt z zakresu szerokopasmowych przyrządów półprzewodnikowych i ich zastosowań w elektrowniach wiatrowych. Od 2011 roku...

  • Fuzzy Based Maximum Power Point Tracking (MPPT) Control System for Photovoltaic Power Generation System

    Publication

    - Year 2021

  • Thermodynamic Cycle Concepts for High-Efficiency Power Plants. Part B: Prosumer and Distributed Power Industry

    Publication

    - Sustainability - Year 2019

    An analysis was carried out for different thermodynamic cycles of power plants with air turbines. A new modification of a gas turbine cycle with the combustion chamber at the turbine outlet has been described in the paper. A special air by-pass system of the combustor was applied, and in this way, the efficiency of the turbine cycle was increased by a few points. The proposed cycle equipped with an effective heat exchanger could...

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  • Modular power converter with superconducting magnetic energy storage for electric power distribution system — Analysis and simulation

    Publication

    - Year 2017

    This paper describes selected issues concerning realization of energy storage system (ESS) designed to operate in power distribution system. This paper presents a modular approach of 300 kVA power converter operating with superconducting magnetic energy storage (SMES), which gives high dynamics together with high power and suitable capability for instantaneous energy storage. Analysis and simulation studies of selected power converter...

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  • Activity coordination of capacitor banks and power transformer controllers in order to reduce power losses in the MV grid

    Publication

    - Year 2016

    One of the main issues related to the optimization of the MV (middle voltage) network is to reduce losses of active and reactive power. Lower losses of active and reactive power give not only economic advantage, but also improvement of energy quality. The object of regulation that can be used for these purposes are transformer with On-Load Tap Changer and capacitor's banks. This paper presents results of analysis of the possibility...

  • Start-up of a power unit of a thermal power plant auxiliary systems with supply from a hydropower plant

    Publication

    - Acta Energetica - Year 2013

    This article discusses the issues related to a power unit of a thermal power plant start-up with the use of a hydropower plant. Hydropower plant can supply and will enable start-up of auxiliary equipment in a power unit of a thermal power plant. Due to high capacity of auxiliary drives, start-up of auxiliaries in a thermal power plant after blackout (and boiler shutdown) is not possible from emergency energy sources in the power...

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  • INCREASING POWER SUPPLY SAFETY IN THE ASPECT OF SUPPORTING THE RENEWABLE ENERGY SOURCES BY CONVENTIONAL AND VIRTUAL POWER STORES

    Publication

    - Polish Maritime Research - Year 2018

    This paper presents characteristics and purposefulness of supporting the renewable energy sources (OZE) by means of energy stores. The main emphasis was placed on analysis of virtual energy stores available for implementation in Polish economy conditions. A role which management of Demand Side Response (DSR) may play in balancing Polish electric power system, is discussed. Implementation of such solutions together with conventional...

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  • Internet entrepreneurship in electronic business

    Publication

    - Year 2008

    Zaproponowano klasyfikację przedsięwzięć Internetowych. Zaprezentowano szereg reprezentatywnych przykładów. Wyszczególniono poszczególne etapy rozwoju działalności gospodarczej w Internecie. Zwrócono uwagę zarówno na aspekty technologiczne, jak i formy pozyskiwania kapitału inwestycyjnego podwyższonego ryzyka. Artykuł może stanowić źródło odniesienia dla przedsiębiorców pragnących otworzyć działalność gospodarczą w Internecie lub...

  • Electronic nose - idea and applications

    Publication

    - Year 2011

    Przedstawiono koncepcję nosa elektronicznego, z wykorzystaniem pomiarów i analizy zjawisk fluktuacyjnych w rezystancyjnych czujnikach gazów. Przybliżono problemy pomiarów szumów m.cz. oraz sposoby ich analizy. Opisano szereg przykładowych zastosowań takiego urządzenia.

  • Electronic Noses in Medical Diagnostics

    Publication

    - CURRENT MEDICINAL CHEMISTRY - Year 2019

    Electronic nose technology is being developed in order to identify aromas in a way parallel to the biologic olfaction. When applied to the field of medicine, such device should be able to identify and discriminate between different diseases. In recent years this kind of approach finds application in medical diagnostics, and especially in disease screening. Despite the fact that devices utilizing chemical sensor arrays are not routinely...

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  • The laboratory model of wind power generator

    Publication
    • E. Bogalecka
    • J. Szewczyk
    • J. Sznigir
    • M. Wlas

    - Year 2005

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  • Small hydro-power in the European Union

    Publication

    - Year 2006

    W pracy przedstawiono informacje na temat udziału energii odnawialnej w produkcji energii w świecie oraz udziału odnawialnych źródeł energii (OZE) w 25 krajach Unii Europejskiej w roku 1997 i przewidywany udział w roku 2010. Omówiono historię rozwoju małych elektrowni wodnych (MEW) w Unii Europejskiej i dokonano ogólnego przeglądu MEW w krajach UE i w pozostałych krajach Europy. Przedstawiono możliwy rozwój małej energetyki wodnej...

  • A multistage turbine for a micro power plant

    Publication

    - Year 2009

    This paper presents results of a design analysis of a multi-stage turbine for the cogeneration micro-power plant working in accordance with Organic Rankine Cycle (ORC). The heat power of the plant is assumed equal to 20 kW and the corresponding available electric output is estimated to be of about 3 kW. Different variants of the radial and axial-flow turbines have been considered, while the detailed results of the calculations...

  • Power equalization of AES FPGA implementation

    Publication

    - Bulletin of the Polish Academy of Sciences-Technical Sciences - Year 2010

    This paper briefly introduces side channel attacks on cryptographic hardware with special emphasis on differential power analysis(DPA). Based on existing countermeasures against DPA, design method combining power equalization for synchronous and combinatorialcircuits has been proposed. AES algorithm has been implemented in Xilinx Spartan II-E field programmable gate array (FPGA) deviceusing the standard and power-equalized methods....

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  • Hydraulic power plant on the Radunia River

    Publication

    - Year 2005

    przedstawiono rys historyczny, paramerty techniczne i walory turystyczne elektorwni wodnych.

  • Virtual inertia in Electric Power System

    Publication

    - Automatyka Elektryka Zakłócenia - Year 2020

    The article presents the idea of introducing virtual inertia system to the electric power systems. The virtual inertia aim is to reduce or eliminate the effect of reducing the inertia of the power system as a result of replacing classic electricity generating units with renewable renergy sources (RES). The considerations are ilustrated by a computational example.

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  • Combined Heat & Power Generating Systems

    Publication

    - Year 1988

    Steam cycles in combined heat and power plants. Efficiency of combined heat and power systems. Characteristics of steam-turbine CHP plants. Choice of equipment in CHP generating systems. Economic effects of combined heat and power production. Costs and energy produced CHP generating systems. Future development trends in CHP generating systems.

  • Low voltage photovoltaic power system

    Publication

    - Elektronika : konstrukcje, technologie, zastosowania - Year 2013

    The use of photovoltaics is growing rapidly in the industry as well as households. Therefore, educating the public will help them understand solar cell technology, which is becoming more common in everyday life. This paper proposes a demonstrational set-up of photovoltaic panel for the purpose of science education. It was used in numerous outreach activities such as science fairs. Moreover, it proved to be a great tool for education...

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  • On power stream in motor or drive system

    Publication

    - Polish Maritime Research - Year 2016

    In a motor or in a drive system the quantity of power increases in the direction opposite to the direction of power flow. Energy losses and energy efficiency of a motor or a drive system must be presented as functions of physical quantities independent of losses. Such quantities are speed and load. But the picture of power stream in a motor or in a drive system is presented in the literature in the form of traditional Sankey...

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  • SVC and power transformers controllers coordination

    Publication

    - Year 2015

    The use of shunt compensators such as FACTS (for example SVC) in power systems gives possibility of fast and flexible control of voltage or reactive power. An efficient cooperation between a transformer and compensator connected to busbars, or transformer’s tertiary winding, requires a proper coordination of controls. The article contains theoretical considerations and simulation results which indicate that such co-ordination is...

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  • The investment process in the power supply industry

    Publication

    - Rynek Energii - Year 2012

    The basis for power supply industry programming in a market economy should be the principle of sustainable development, which must take into account maintaining an adequate level of energy security on the one hand, and the aim to preserve the maximum degree of non-renewable resources on the other hand. Therefore, the overriding aim should be a strive to meet the current and prospective demand for energy and fuel, in conjugation...

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  • Pumped-storage power plant Żarnowiec.

    Publication

    - Year 2004

    Przedstawiono historię budowy, główne zadania i parametry techniczne elektrowni szczytowo-pompowej w Żarnowcu

  • Neural simulator of steam power unit.

    Publication

    - Year 2004

    Zbadano możliwości zbudowania neuronowego symulatora turbinowego bloku energetycznego. Zamodelowano ten obieg i sprawdzono konfiguracje sztucznych sieci neuronowych (SSN) zapewniające dużą dokładność symulatora neuronowego. Zwrócono uwagę na problemy dotyczące węzłów siłowni, w których następuje mieszanie się strumieni czynnika o zróżnicowanych parametrach cieplno-przepływowych. Wskazano na zastosowanie takiego symulatora w diagnostyce.

  • ELECTRONIC LIBRARY

    Journals

    ISSN: 0264-0473 , eISSN: 1758-616X