Wyniki wyszukiwania dla: ELECTRICAL ENERGY QUALITY, DISTRIBUTION NETWORKS, ENERGY STORAGE

• Poland’s energy dependence - economic context

  Dane Badawcze

  open access

  • P. Kasprzak

  Poland does not have vast resources of non-renewable energy and no nuclear power plant, therefore the issue of the energy dependence of the state, which affects the level of energy security of the country, is an extremely important factor. It depends on both the volume of imports of energy raw materials and the policy of diversification of sources of...

• Reliable renewable energy – application of electrochemical capacitors for electrical energy storage

  Publikacja

  • A. D. Dettlaff
  • M. Wilamowska-Zawłocka
  • E. Klugmann-Radziemska

  - CHEMIK nauka-technika-rynek - Rok 2016

  This paper presents electrical energy storage devices such as electrochemical capacitors, their principle of operation and electrode materials most commonly used in their manufacturing technology. Moreover, our research on development of new nanocomposite materials based on multi-walled carbon nanotubes and conducting polymer is shown. Additionally, the possibility and advantages of application of supercapacitors for accumulation...

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• Thermodynamic analysis of the Compressed Air Energy Storage system coupled with the Underground Thermal Energy Storage

  Publikacja

  • R. Hyrzyński
  • P. Ziółkowski
  • S. Gotzman
  • B. Kraszewski
  • J. Badur

  - E3S Web of Conferences - Rok 2019

  Improvement of flexibility is one of the key challenges for the transformation of the Polish Power System aiming at a high share of renewable energy in electricity generation. Flexible and dispatchable power plants will contribute to this ongoing transformation process as they compensate for fluctuations in electricity generation from renewable energy sources such as wind and photovoltaics. In this context, CAES storage tanks are...

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• Comprehensive thermodynamic analysis of the CAES system coupled with the underground thermal energy storage taking into account global, central and local level of energy conversion

  Publikacja

  • R. Hyrzyński
  • P. Ziółkowski
  • S. Gotzman
  • B. Kraszewski
  • T. Ochrymiuk
  • J. Badur

  - RENEWABLE ENERGY - Rok 2021

  A key aspect of CAES is the optimal configuration of the thermodynamic cycle. In this paper, the situation of cooperation between the current conventional power plants and wind farms is analyzed, and then, based on thermodynamic models, the process of storing thermal and electrical energy in the CAES system coupled with a heat storage and recovery is developed. Therefore, three levels can be distinguished, namely: the global level...

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• Trends in Locally Balanced Energy Systems without the Use of Fossil Fuels: A Review

  Publikacja

  • Ł. Mazur
  • S. Cieślik
  • S. Czapp

  - ENERGIES - Rok 2023

  In recent years, the idea of the operation of energy systems (power systems, heating systems) has changed significantly. This paper is an overview of locally balanced energy systems without the use of fossil fuels. The paper justifies the concept of local energy balancing in a new energy system that does not use fossil fuels (coal, natural gas, and crude oil), based on European Union guidelines and formal documents as well as the...

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• GRAPHENE-BASED SUPERCAPACITORS APPLICATION FOR ENERGY STORAGE

  Publikacja

  • M. Łuszczek

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2018

  Recent advances in graphene-based supercapacitor technology for energy storage application were summarized. The comparison of different types of electrode materials in such supercapacitors was performed. The supercapacitors with graphene-based electrodes exhibit outstanding performance: high charge-discharge rate, high power density, high energy density and long cycle-life, what makes them suitable for various applications, e.g....

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• Phase Change Thermal Energy Storage – The Experience of the Materials Preparation for the Specific Applications.

  Publikacja

  • E. Klugmann-Radziemska
  • P. Wcisło-Kucharek
  • H. Denda
  • M. Ryms

  - Polska Energetyka Słoneczna - Rok 2014

  Thermal energy storage and temperature stabilization is very important in many engineering applications. There are three kinds of thermal energy storage: sensible heat storage, latent heat storage and reversible chemical reaction heat storage. Phase change materials (PCM) absorb, store and release large amounts of energy in the form of latent heat, at constant temperature, called the transition temperature. The amount of heat...

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• Design and Evaluation of the Compact and Autonomous Energy Subsystem of a Wave Energy Converter

  Publikacja

  • M. Drzewiecki
  • J. Guziński

  - ENERGIES - Rok 2023

  This paper presents the results of the design process focused on the development of the energy subsystem (ES) of a wave energy converter (WEC). The ES is an important electrical part that significantly affects the energy reliability and energy efficiency of the entire WEC device. The designed ES was intended for compact WECs powering IoT network devices working in the distributed grid. The developed ES is an electronic circuit...

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• Synthesis and Characterization of Poly(zwitterionic) Structures for Energy Conversion and Storage

  Publikacja

  • A. Olejnik
  • S. Katarzyna
  • K. Grochowska

  - Rok 2021

  Zwitterions are unique class of molecules that possess two functional groups bearing electric charges, one positive and second negative. This setup results in peculiar properties such as high water retention and anti-fouling capability. Therefore, zwitterionic coatings and gels are commonly applied in e.g. biosensing and bioelectronic devices. Despite those applications, there are other perspectives for zwitterionic materials....

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• Static Series and Shunt-series PE Voltage-quality Controllers

  Publikacja

  • R. Strzelecki
  • D. Wojciechowski
  • G. Benysek

  - Rok 2007

  As presented in the Chap. 7 static shunt power electronics (PE) voltage-quality controllers protect the utility electrical system from the unfavorable impact of customer loads. Shunt controllers, as shown in Chap. 6, are recommended mainly for mitigation of the causes of disturbances, and not their effects in distanced nodes of a power-electronics system. In the case when reduction of disturbances effects is required, which leads...

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• Analysis of an Energy Management System of a Small Plant Connected to the Rural Power System

  Publikacja

  • M. Włas
  • S. Galla
  • A. Kouzou
  • P. Kołodziejek

  - ENERGIES - Rok 2022

  This paper presents the analysis of an energy management system (EMS) implemented to fulfill the requirements of a microgrid (MG) power supply owned by a small industrial company and connected to the rural power system. The main goal of this system is to ensure connection with the existing rural power system in terms of energy exchange, as well as to perform islanding mode operation of the microgrid based on the energy demand of...

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• The Impact of Direct Normal Irradiation on the Solar Tower Power Plant Performance based on Real and Satellite Data: Analysis on Algerian Regions

  Publikacja

  • R. Abdelkader
  • B. Djamel
  • A. Hafaifa
  • A. L. Kouzou

  - Electrotehnica, Electronica, Automatica - Rok 2020

  The present paper presents a deep study on the possibility of implementing Concentrated Solar Power (CSP) plants in Algeria for the production of the electrical energy. Indeed, this paper focusses mainly on the main parameters, which can have an important impact on the choice of the location, the dimension and the available thermal energy storage system.  In this study, three main parameters are investigate...

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• Battery Technologies in Electric Vehicles: Improvements in Electric Battery Packs

  Publikacja

  • P. Mohseni
  • O. Husev
  • D. Vinnikov
  • R. Strzelecki
  • E. Romero-Cadaval
  • I. Tokarski

  - IEEE Industrial Electronics Magazine - Rok 2023

  Restrictions on fossil fuels and related environmental pollution issues motivate many organizations and countries to set their focus on electric vehicles (EVs) rather than conventional internal combustion engine vehicles [1], [2]. EVs require an energy storage system to store converted electric power in another form of energy and then reconvert the stored energy to electric power whenever it is required. The energy stored can be...

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• The voltage on bus bars of the main switchboard of the ro-ro ship electrical power system during maneuvering

  Dane Badawcze

  open access

  • B. Pałczyńska
  • T. Tarasiuk

  The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard a ro-ro ship during maneuvering.

• Family Tree for Aqueous Organic Redox Couples for Redox Flow Battery Electrolytes: A Conceptual Review

  Publikacja

  • P. Fischer
  • P. Mazur
  • J. Krakowiak

  - MOLECULES - Rok 2022

  Redox flow batteries (RFBs) are an increasingly attractive option for renewable energy storage, thus providing flexibility for the supply of electrical energy. In recent years, research in this type of battery storage has been shifted from metal-ion based electrolytes to soluble organic redox-active compounds. Aqueous-based organic electrolytes are considered as more promising electrolytes to achieve “green”, safe, and low-cost...

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• Bezpieczeństwo elektroenergetyczne dla pokoleń

  Publikacja

  • W. Kamrat
  • M. Bartosik
  • M. Każmierkowski
  • L. Włodzmierz
  • P. Maciej
  • T. Peryt
  • T. Skoczkowski
  • S. Andrzej
  • S. Adam

  - Przegląd Elektrotechniczny - Rok 2016

  W artykule przeanalizowano źródła energii pierwotnej, ich wystarczalnośći dywersyfikację w skali lokalnej i globalnej, problem dekarbonizacji polskiej elektroenergetyki na tle europejskiej polityki klimatycznej, osiągalność źródeł gazu jako efektywnego paliwa dla energetyki, polski program energetyki jądrowej, bezpieczeństwo zasilania elektrycznych systemów trakcyjnych jako strategicznej alternatywy...

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• Handlowo-techniczne bilansowanie energii w obszarach sieci dystrybucyjnej

  Publikacja

  • P. Bućko

  - Przegląd Elektrotechniczny - Rok 2024

  W artykule omówiono problemy wywołane przez rosnący udział generacji rozproszonej we współczesnych systemach elektroenergetycznych. Przedstawiono nową koncepcję rozwiązywania zagadnienia bilansowania mocy czynnej w obszarach sieci dystrybucyjnych, opartą o wykorzystanie nowych struktur organizacyjnych takich jak: klastry energii, wydzielone systemy dystrybucyjne, spółdzielnie energetyczne, wirtualne elektrownie i grupy bilansujące.

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• Qualitative Indicators Used to Select the Placement and Parameters of Energy Storage Installed in the Distribution Network

  Publikacja

  • A. Szultka
  • R. Małkowski
  • S. Szultka

  - Acta Energetica - Rok 2017

  The technology related to energy storage has developed in recent years. Continuous improvement of the solutions available on the market resulted in wider usability of energy storage. They are also increasingly used in a distribution network. This study contains a synthesised description of physical features of the energy storage used in distribution networks. Several criteria of algorithms used to determine the placement and...

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• Metody doboru miejsc zainstalowania zasobników energii w sieciach elektroenergetycznych niskiego napięcia

  Publikacja

  • A. Szultka
  • S. Szultka

  - Automatyka Elektryka Zakłócenia - Rok 2016

  W związku z rosnącą liczbą źródeł odnawialnych przyłączanych do sieci niskiego napięcia (nn) jakość energii elektrycznej w tej sieci ulega pogorszeniu. Jedną z metod jej poprawiania jest instalowanie zasobników energii, tj. baterii akumulatorów, superkondensatorów czy kół zamachowych. Zasobniki energii są w stanie złagodzić dobową zmienność obciążenia, skompensować moc bierną i wyższe harmoniczne oraz zmniejszyć asymetrię obciążenia...

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• Piezo 2011, Electroceramics for End-Users VI

  Publikacja

  • K. Zasada
  • M. Krawczuk

  - Rok 2011

  This work extends a power harvesting with using piezoelectric materials. Experimental presents the development of a piezoelectric MEMS generator which has the ability to scavenge mechanical energy of ambient vibrations from their surroundings and transform it into electrical energy that can be used in energy storage applications. Recent literature shows that piezoelectric transduction has received the most attention for vibration-to-electricity...

• Ewa Klugmann-Radziemska prof. dr hab.

  Osoby

  Szkoła Doktorska Wdrożeniowa, Katedra Konwersji i Magazynowania Energii

  Ewa Klugmann-Radziemska ukończyła studia wyższe na kierunku fizyka na Uniwersytecie Gdańskim. Od roku 1996 związana jest z Politechniką Gdańską, kiedy to rozpoczęła studia doktoranckie. Obecnie jest profesorem na Wydziale Chemicznym Politechniki Gdańskiej, od roku 2006 kierownikiem Katedry Konwersji i Magazynowania Energii. W latach 2008–2016 pełniła funkcję Prodziekana ds. współpracy i rozwoju, w latach 2016-2019 była Pełnomocnikiem...

• Determination of pseudocapacitance chan ges of nickel oxide NiO electrode with use of dynamic electrochemical impedancje spectroscopy

  Publikacja

  • P. Ślepski
  • K. Darowicki
  • K. Andrearczyk
  • A. Sierczyńska

  - International Journal of Electrochemical Science - Rok 2014

  The electrochemical capacitors (ECs) are attractive energy storage devices which can be applied in many electronic products (e.g., cameras, laptops, cell phones) or hybrid electric vehicles (HEV). The energy storage in ECs is based on capacitive (the electrical double layer charging/discharging) and pseudocapacitive (additional charge provided by faradic reaction) phenomena. Considering the electrodes exhibiting pseudocapacitance,...

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• Paweł Czarnul dr hab. inż.

  Osoby

  Dział Usług Chmurowych, Wydział Elektroniki, Telekomunikacji i Informatyki, Katedra Architektury Systemów Komputerowych

  Paweł Czarnul uzyskał stopień doktora habilitowanego w dziedzinie nauk technicznych w dyscyplinie informatyka w roku 2015 zaś stopień doktora nauk technicznych w zakresie informatyki(z wyróżnieniem) nadany przez Radę Wydziału Elektroniki, Telekomunikacji i Informatyki Politechniki Gdańskiej w roku 2003. Dziedziny jego zainteresowań obejmują: przetwarzanie równoległei rozproszone w tym programowanie równoległe na klastrach obliczeniowych,...

• Impact of R/X ratio of distribution network on selection and control of energy storage units

  Publikacja

  • A. Szultka
  • R. Małkowski
  • S. Czapp
  • S. Szultka

  - Rok 2017

  The interest in energy storage is still increasing. Energy storage units are installed in high voltage networks, medium voltage networks and low voltage distribution networks as well. These units are often used to improve power quality. One of the criteria for improving power quality is reducing voltage deviations. Depending on the type of network and specifying its R/X ratio, this criterion can be fulfilled by control of active...

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• The voltage on bus bars of the main switchboard of the ferry electrical power system during a sea voyage

  Dane Badawcze

  open access

  • B. Pałczyńska
  • T. Tarasiuk

  The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard the ferry during a sea voyage.

• The voltage on bus bars of the main switchboard of the ferry electrical power system during maneuvering

  Dane Badawcze

  open access

  • B. Pałczyńska
  • T. Tarasiuk

  The dataset is part of the research results on the quality of supply voltage on bus bars of the main switchboard of the ship's electrical power system in different states of ship exploitation. The attached dataset contains the measurement results carried out onboard the ferry during maneuvering.

• Neoclassical Navier–Stokes Equations Considering the Gyftopoulos–Beretta Exposition of Thermodynamics

  Publikacja

  • J. Badur
  • M. Feidt
  • P. Ziółkowski

  - ENERGIES - Rok 2020

  The seminal Navier-Stokes equations were stated even before the creation of the foundations of thermodynamics and its first and second laws. There is a widespread opinion in the literature on thermodynamic cycles that the Navier-Stokes equations cannot be taken as a thermodynamically correct model of a local "working fluid", which would be able to describe the conversion of "heating" into "working" (Carnot's type cycles) and vice...

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• Bilansowanie lokalne w systemie elektroenergetycznym

  Publikacja

  • P. Bućko

  - Rynek Energii - Rok 2023

  Wprowadzenie rozliczeń rynkowych w handlu energią elektryczną wymusiło nowe podejście do krótkookresowego bilansowania energii w systemie elektroenergetycznym. Dla sprawnego funkcjonowania handlu energią, konieczne było wprowadzenie Rynku Bilansującego, łączącego realizację zadań technicznych i handlowych. Obecnie bilansowanie systemu rozwiązywane jest ogólnosystemowo. Decentralizacja procesu wytwarzania energii, rozwój niespokojnych...

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• Review—Advances in Rechargeable Lithium-Ion Batteries Utilizing Polyoxometalate-Functionalized Nanocarbon Materials

  Publikacja

  • S. Shahsavarifar
  • M. Rezapour
  • M. Mehrpooya
  • T. Jesionowski
  • R. Luque

  - JOURNAL OF THE ELECTROCHEMICAL SOCIETY - Rok 2024

  Polyoxometalates (POMs) are inorganic nanoclusters that consist of oxygen and transition metals. These nanoclusters serve as excellent precursors for creating electrode materials that contain transition metals. Additionally, the interaction between POMs and carbon substrates produces positive synergistic effects. There has been considerable attention on employing POMs and carbon nanostructures (for example carbon nanotubes, graphene,...

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• ENERGY

  Czasopisma

  ISSN: 0360-5442 , eISSN: 1873-6785

• Fiber-optic sensors based on microspheres with nanocoatings (Zastosowanie mikrosfer optycznych z cienkowarstwowymi pokryciami w czujnikach światłowodowych)

  Publikacja

  • P. Listewnik

  - Rok 2021

  Temperature is one of the most important physical quantities. Temperature measurements are used in every field of life, especially electronics, electrical engineering, energy-related fields, including energy source and storage devices. The goal of this dissertation is to design and optimize the microsphere-based fiber-optic sensors construction for measurement of the sensor surrounding medium temperature, including selection of...

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• Modular power converter topologies for energy storage and electric power distribution systems

  Publikacja

  • M. Parchomiuk
  • R. Strzelecki
  • K. Zymmer
  • A. Domino

  - Rok 2017

  This paper describes selected issues concerning realization of energy storage system (ESS) designed to operate in power distribution system. In order to achieve scalability of the system a modular approach is proposed. In addition to this different configuration of the system are analyzed, where depending on requirements and application a scalability in power, in energy capacity of energy storage resource and both in power and...

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• Diamond-Phase (Sp3-C) Rich Boron-Doped Carbon Nanowalls (Sp2-C): A Physico-Chemical And Electrochemical Properties

  Publikacja

  • M. Sobaszek
  • K. Siuzdak
  • J. Ryl
  • M. Sawczak
  • S. Gupta
  • S. Carrizosa
  • M. Ficek
  • B. Dec
  • K. Darowicki
  • R. Bogdanowicz

  - Journal of Physical Chemistry C - Rok 2017

  The growth of B-CNW with different boron doping levels controlled by the [B]/[C] ratio in plasma, and the influence of boron on the obtained material’s structure, surface morphology, electrical properties and electrochemical parameters, such as -ΔE and k°, were investigated. The fabricated boron-doped carbon nanowalls exhibit activity towards ferricyanide redox couple, reaching the peak separation value of only 85 mV. The flatband...

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• Tailoring Electro/Optical Properties of Transparent Boron-Doped Carbon Nanowalls Grown on Quartz

  Publikacja

  • M. Pierpaoli
  • M. Ficek
  • M. Rycewicz
  • M. Sawczak
  • J. Karczewski
  • M. L. Ruello
  • R. Bogdanowicz

  - Materials - Rok 2019

  Carbon nanowalls (CNWs) have attracted much attention for numerous applications in electrical devices because of their peculiar structural characteristics. However, it is possible to set synthesis parameters to vary the electrical and optical properties of such CNWs. In this paper, we demonstrate the direct growth of highly transparent boron-doped nanowalls (B-CNWs) on optical grade fused quartz. The effect of growth temperature...

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• STEROWNIK MIKROSIECI ELEKTROENERGETYCZNEJ

  Publikacja

  • A. Kowalczyk
  • A. Włodarczyk
  • J. Tarnawski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2015

  W artykule rozpatruje się konstrukcję sterownika mikrosieci elektroenergetycznej. Sterownik zarządza zasobamienergii elektrycznej w celu pokrycia zapotrzebowania lokalnych gospodarstw domowych z uwzględnieniem kwestii ekonomicznych. Przedstawiono strukturę sterowania, zdefiniowano zadanie optymalizacji, dokonano badań symulacyjnych dla przykładowej mikrosieci o zróżnicowanych sposobach generowania i magazynowania. Zaproponowano...

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• COMPREHENSIVE MODELLING OF THE COST EFFECTIVNESS OF RAILWAY LINE ELECTRIFICATION

  Publikacja

  • M. Tomczyk
  • M. Pacholczyk
  • K. Karwowski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2016

  Subject of this paper is the mathematical model estimating the Economical threshold between usage of combustion engine traction and electrical traction for new and modernized railway passenger communication lines. Currently available models do not coincide with the whole complexity of the problem. The proposed model was implemented into Matlab and then validated on “Pomorska Kolej Metropolitalna” investment time-frame and its cost...

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• An Aqueous Exfoliation of WO3 as a Route for Counterions Fabrication—Improved Photocatalytic and Capacitive Properties of Polyaniline/WO3Composite

  Publikacja

  • M. Szkoda
  • Z. Zarach
  • K. Trzciński
  • A. Nowak

  - Materials - Rok 2020

  In this paper, we demonstrate a novel, electrochemical route of polyaniline/tungsten oxide (PANI)/WO3) film preparation. Polyaniline composite film was electrodeposited on the FTO (fluorine-doped tin oxide) substrate from the aqueous electrolyte that contained aniline (monomer) and exfoliated WO3 as a source of counter ions. The chemical nature of WO3 incorporated in the polyaniline matrix was investigated using X-ray photoelectron...

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• Zarządzanie zaufaniem w bezprzewodowych sieciach czujników - studium przypadku

  Publikacja

  • J. Górski
  • A. Turower

  - Studia Informatica Pomerania - Rok 2012

  W artykule przedstawiono studium przypadku dotyczące zastosowania bezprzewodowej sieci czujników do wspomagania pacjenta z nadwagą w jego środowisku domowym. Przyjęto, że sieć wykorzystuje metodę rozproszonego zarządzania zaufaniem i pokazano, że metoda ta umożliwia wykrycie i izolację czujników realizujących działania sprzeczne z polityką sieci. Ilościowe oszacowanie czasu niezbędnego do wykrycia takich...

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

  Publikacja

  • M. Parchomiuk
  • R. Strzelecki
  • K. Zymmer
  • A. Domino

  - Rok 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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• Infrastruktura ładowania pojazdów elektrycznych

  Publikacja

  • J. Guziński
  • M. Adamowicz
  • J. Kamiński

  - Automatyka Elektryka Zakłócenia - Rok 2014

  W artykule przedstawiono przegląd zagadnień z zakresu infrastruktury ładowania pojazdów elektrycznych. Przeanalizowano wpływ dużej liczby pojazdów EV na system elektroenergetyczny. W analizie uwzględniono zarówno wzrastające zapotrzebowanie na moc jak też na zapewnienie wysokiej jakości energii elektrycznej. Pokazano ideę wykorzystania pojazdów EV jako magazynów energii w systemie elektroenergetycznym. Zaprezentowano podstawowe...

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• ENERGY STORAGE IN COMPRESSED AIR – SOLUTION SUPPORTING RENEWABLE ENERGY SOURCES

  Publikacja

  • D. Jakowski
  • M. Dzida

  - Journal of Polish CIMEEAC - Rok 2014

  This article presents a brief description of a power system, the current national power system daily load, the use of wind power as a renewable energy source and its share in the national load. It also discusses the methods for storing energy, their characteristics and possible solutions. The power storage and generation solution proposed in the article is based on the collaboration between a gas turbine and an air storage system....

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• Energy Storage

  Czasopisma

  eISSN: 2578-4862

• Simulation of the Dynamics of Renewable Energy Sources with Energy Storage Systems

  Publikacja

  • R. Małkowski
  • P. Bućko
  • M. Jaskólski
  • W. Pawlicki
  • A. Lenarczyk

  - Rok 2018

  The intermittency of renewable energy sources (RES) constitutes a challenge for effective power system control. Fossil-fuel-based units offering ancillary power services to meet the short-term power imbalance are a financial and environmental burden for the society. Energy storage systems (ESS) can be the solution in view of the electricity market development and growing environmental concern. The major questions are, in what circumstances...

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• Integrated algorithm for selecting the location and control of energy storage units to improve the voltage level in distribution grids

  Publikacja

  • A. Szultka
  • S. Szultka
  • S. Czapp
  • Z. Lubośny
  • R. Małkowski

  - ENERGIES - Rok 2020

  This paper refers to the issue that mainly appears in distribution grids, where renewable energy sources (RES) are widely installed. In such grids, one of the main problems is the coordination of energy production time with demand time, especially if photovoltaic energy sources are present. To face this problem, battery energy storage units (ESU) can be installed. In recent years, more and more attention has been paid to optimizing...

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• Thermal energy storage using stearic acid as PCM material

  Publikacja

  • J. Cieśliński
  • M. Fabrykiewicz

  - Journal of Mechanical and Energy Engineering - Rok 2018

  This work presents an experimental study of thermal energy storage by use of PCM. The aim of the study was to establish the influence of different inlet temperature of heat transfer fluid (HTF) and different Reynolds number of HTF on intensity of charging process. The PCM used in this study was stearic acid and water was used as HTF. A copper helical coil mounted in cylindrical container served as a heat transfer surface.

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• Piotr Jasiński prof. dr hab. inż.

  Osoby

  Katedra Inżynierii Materiałów Funkcjonalnych WETI

  Piotr Jasinski obtained MSc in electronics in 1992 from the Gdansk University of Technology (GUT), Poland. Working at GUT, he received PhD in 2000 and DSc in 2009. Between 2001 and 2004 Post Doctoral Fellow at Missouri University of Science and Technology, while between 2008 and 2010 an Assistant Research Professor. Currently is an Associate Professor at Gdansk University of Technology working in the field of electronics, biomedical...

• Modelling of the Polish Electricity Generation Subsystem in MARKAL Program with Emphasis on the EU Emissions Trading Scheme

  Publikacja

  • M. Malinowska
  • M. Jaskólski

  - Acta Energetica - Rok 2017

  This paper addresses issues related to greenhouse gas emissions in the European Union and measures to reduce them, in particular the European Emissions Trading Scheme (EU ETS). A model of the Polish electricity generation subsystem, taking into account EU ETS mechanisms, has been developed using the MARKAL optimization package. Data collected on the basis of available projects, regulations and statistics were entered into the model....

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• Graphene-based Silicone rubber Nanocomposites: Preparation, Characterization, and Properties

  Publikacja

  • P. S. Sarath

  - Rok 2024

  This study aims to understand better the mechanical, thermal, and tribological behavior of silicone rubber nanocomposites. Graphite, exfoliated graphite, reduced graphene oxide, ionic liquid modified graphene oxide, silane-modified graphene oxide, fumed silica, and other fillers were used in this study. Adding graphene-based fillers to the silicone rubber matrix substantially improves the nanocomposite's mechanical, thermal, and...

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• Tuning the Laser-Induced Processing of 3D Porous Graphenic Nanostructures by Boron-Doped Diamond Particles for Flexible Microsupercapacitors

  Publikacja

  • S. Deshmukh
  • P. Jakóbczyk
  • M. Ficek
  • J. Ryl
  • D. Geng
  • R. Bogdanowicz

  - ADVANCED FUNCTIONAL MATERIALS - Rok 2022

  Carbon (sp3)-on-carbon (sp2) materials have the potential to revolutionize fields such as energy storage and microelectronics. However, the rational engineering and printing of carbon-on-carbon materials on flexible substrates remains a challenge in wearable electronics technology. This study demon-strates the scalable fabrication of flexible laser-induced graphene (LIG)-boron doped diamond nanowall (BDNW) hybrid nanostructures...

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• Jarosław Guziński prof. dr hab. inż.

  Osoby

  Wydział Elektrotechniki i Automatyki, Katedra Automatyki Napędu Elektrycznego i Konwersji Energii

  STOPNIE NAUKOWE 2021 Tytuł profesora nauk inżynieryjno-technicznych. 2012  Stopień doktora habilitowanego nauk technicznych – Wydział Elektrotechniki i Automatyki PG. Rozprawa habilitacyjna „Układy napędowe z silnikami indukcyjnymi i filtrami wyjściowymi falowników. Zagadnienia wybrane”. Kolokwium i nadanie stopnia doktora habilitowanego 29 maja 2012 r. Monografia uzyskała nagrodę naukową Wydziału IV Nauk Technicznych Polskiej...