Search results for: HYDRO-ELECTRIC POWER

• Hydro Power Plant in the Process of Voltage Control in the Electric Power System and the System Restoration

  Publication

  • Z. Lubośny
  • M. Łosiński

  - Acta Energetica - Year 2019

  The article covers selected issues related to the share of hydroelectric power in the process of rebuilding the power system after black-out and voltage control during that process. Selected results of measurements made during the creation of the transmission chain for the need to start a block of a thermal power plant from a hydroelectric power plant were presented.

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• Small hydro-power in the European Union

  Publication

  • R. Wichowski

  - 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...

• ELECTRIC POWER SYSTEMS RESEARCH

  Journals

  ISSN: 0378-7796 , eISSN: 1873-2046

• Electric Power Engineering Technology

  Journals

  ISSN: 2096-3203

• Zhongguo Dianli/Electric Power

  Journals

  ISSN: 1004-9649

• Small hydro-power as a source of renewable energy in the European Union

  Publication

  • R. Wichowski

  - Year 2005

  W pracy przedstawiono udział odnawialnych źródeł energii w produkcji energii elektrycznej w 25 krajach Unii Europejskiej w roku 1997 i przewidywanu udział w roku 2010. Omówiono krótką historię rozwoju małych elektrownii wodnych w UE i dokonano przeglądu małych elektrowni wodnych w krajach UE oraz w wybranych krajach Europy, nie należących do UE. Przedstawiono także możliwy rozwój małej energetyki wodnej w okresie perspektywicznym...

• Virtual inertia in Electric Power System

  Publication

  • Z. Lubośny

  - 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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• Electric field-assisted dissociation of singlet excitons in tris-(8-hydro-xyquinolinato)aluminium (III)

  Publication

  • J. Szmytkowski
  • W. Stampor
  • J. Kalinowski
  • Z. H. Kafafi

  - APPLIED PHYSICS LETTERS - Year 2002

  W pracy podano szczegółowemu badaniu kompleks organo-metaliczny 8-hydroksy-chinoliny i aluminium (ALq3) metodą pomiaru fotopądów i elektromodulacji luminescencji. Stwierdzono, że w obszarze wysokich pól elektrycznych (F>105 V/cm) ładunek wytwarzany jest w procesie dysocjacji wzbudzonych stanów single-towych. Wyjaśnienie przebiegów prądowych w zakresie niskich pól elektrycznych (F<105 V/cm) wymagało włączenia zjawiska rekombinacji...

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• IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS

  Journals

  ISSN: 1350-2352

• Dianli Jianshe/Electric Power Construction

  Journals

  ISSN: 1000-7229

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

  Publication

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

  - Year 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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• Evaluation of technical efficiency of heat and electric power generation

  Publication

  • H. Piwowarska
  • M. Piwowarski

  - Polish Maritime Research - Year 2009

  This paper presents an evaluation of technical efficiency and time-dependent changes in productivity of Polish professional electric power and heat&electric power stations by using Data Envelopment Analysis non-parametric method. The research covered the enterprises whose total available electric power amounted to about 98% of that of all professional thermal electric power stations in this country. The analysis has concerned...

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• Blackout initial disturbances in electric Power System searching

  Publication

  • K. Wróblewska-Swarcewicz
  • Z. Lubośny

  - Year 2005

  The paper contains short survey of the blackouts that took place in the last few years. The sources and initial disturbances are discussed. The typical scenario of the disturbance, leading to blackout in the electrical power system are presented.Next, models of a power system eligible to considered topic are discussed. Finally the algorithm of the blackout initial disturbances in power system searching is presented.The consideration...

• Wind Turbine Operation in Electric Power System.Advanced Modelling

  Publication

  • Z. Lubośny

  - Year 2003

  W monografii przedstawiono zagadnienia związane z pracą elektrowni wiatrowych w systemie elektroenergetycznym, a w tym przedstawiono wpływ elektrowni wiatrowych na system elektroenergetyczny (jakość energii elektrycznej). Omówiono zasady modelowania elektrowni wiatrowych różnych typów, tj. z generatorami asynchronicznymi i synchronicznymi, pracujących w systemie elektroenergetycznym. Przestawiono wybrane modele elektrowni wiatrowych...

• International Journal of Emerging Electric Power Systems

  Journals

  ISSN: 1553-779X

• Analysis of the Impact of Charging Electric Cars on the Power System Load

  Publication

  • W. Stahl
  • P. Bućko

  - Acta Energetica - Year 2019

  The paper presents ways of integrating electric cars with the power system. In connection with this, daily load curves in the average working day have been developed in the G2V (Grid-to-Vehicle) and V2G (Vehicle-to-Grid) variants. The G2V solution consists in unidirectional energy flow from the power system to a vehicle’s battery. The V2G solution consists in bi-directional energy exchange between the power system and electric...

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• LEGAL ASPECTS OF ELECTRIC ENERGY GENERATION IN A FLOATING POWER PLANT

  Publication

  • W. Olszewski
  • M. Dzida

  - Journal of Polish CIMEEAC - Year 2016

  This paper discusses the characteristics of pollution and legal regulations governing investment projects affecting the environment. It describes a combined system of a compression ignition engine and a steam turbine, whose aim, when placed on a floating platform, is to produce electric energy in a so-called distributed generation system. Such a system involves a reciprocating internal combustion engine and a connected steam turbine...

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• Electric Power Quality in Isolated Systems - Requirements and Examples of Analysis.

  Publication

  • D. Czarkowski
  • J. Mindykowski
  • M. Olesz
  • E. Szmit
  • M. Szweda

  - Year 2007

  W arytukule przedstawiono wymagania normalizacyjne jakoci energii dla okretowych systemów zasilajacych pracujšcych w układzie z izolowanym punktem zerowym.Wymagania systemowe: Windows 95 lub nowsze; napęd CD-ROM. - Tytuł z etykiety na dysku.

• Hardware-in-the-Loop Simutation of the Synchronization Process of Electric Power Units.

  Publication

  • G. Redlarski
  • P. Niklas
  • A. Grono

  - Year 2004

  Przedstawiono nowoczesne urządzenia do badań synchronizatorów automatycznych w warunkach laboratoryjnych. Szczególną uwagę poświęcono systemowi wizualizacji tych urządzeń )przy ich pomocymożliwa jest ciągła kontrola, sterowanie i wizualizacja procesem synchronizacji w systemie elektroenergetycznym.

• Numerical Simulation of Catastrophic Flood: the Case Study of Hypothetical Failure of the Bielkowo Hydro–Power Plant Reservoir

  Publication

  • M. Szydłowski
  • W. Szpakowski
  • P. Zima

  - Acta Geophysica - Year 2013

  The numerical modeling of flood wave propagation following the hypo-thetical breaks of the embankments of the Bielkowo hydro–power plant storage reservoir (Kolbudy II Reservoir) on the Radunia River in Poland have been presented. The results of computations were used to estimate the parameters of the flood waves, which are indispensable for the flood zone determination and mapping and then for the flood risk analysis. When estimating...

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

  Publication

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

  - 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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• Situational Awareness Network for the Electric Power System: the Architecture and Testing Metrics

  Publication

  • D. Bolzoni
  • R. Leszczyna
  • M. Wróbel

  - Annals of Computer Science and Information Systems - Year 2016

  The contemporary electric power system is highly dependent on Information and Communication Technologies which results in its exposure to new types of threats, such as Advanced Persistent Threats (APT) or Distributed-Denial-of-Service (DDoS) attacks. The most exposed components are Industrial Control Systems in substations and Distributed Control Systems in power plants. Therefore, it is necessary to ensure the cyber security of...

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• Comparative Analysis of Reactive Power Compensation Devices in a Real Electric Substation

  Publication

  • H. Tariq
  • S. Czapp
  • S. Tariq
  • K. M. Cheema
  • A. Hussain
  • A. H. Milyani
  • S. Alghamdi
  • Z. M. S. Elbarbary

  - ENERGIES - Year 2022

  A constant worldwide growing load stress over a power system compelled the practice of a reactive power injection to ensure an efficient power network. For this purpose, multiple technologies exist in the knowledge market out of which this paper emphasizes the usage of the flexible alternating current transmission system (FACTS) and presents a comparative study of the static var compensator (SVC) with the static synchronous compensator...

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• System of protection against electric shock for circuits with power electronics converters

  Publication

  • S. Czapp
  • D. Świsulski

  - Przegląd Elektrotechniczny - Year 2015

  Modern low voltage circuits are very often equipped with power electronics converters, therefore in these circuits non-sinusoidal earth currents (touch currents) may occur. For non-sinusoidal currents safety criteria should be modified. This paper presents these modified criteria and a computer system of protection against electric shock which can be implemented in circuits with power electronics converters. The system is based...

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• ISSUES OF ECONOMIC ANALYSIS OF ELECTRIC ENERGY GENERATION IN A FLOATING POWER PLANT

  Publication

  • W. Olszewski
  • M. Dzida

  - Journal of Polish CIMEEAC - Year 2014

  This article presents basic dependences for conducting a technical and economic analysis related with investment projects. It describes a combined system of a compression ignition engine and a steam turbine, whose aim, when placed on a floating platform, is to generate electric energy in the so-called distributed generation system. Such a system involves a reciprocating internal combustion engine and a connected steam turbine system...

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• SMART GRID TECHNOLOGIES IN ELECTRIC POWER SUPPLY SYSTEMS OF PUBLIC TRANSPORT

  Publication

  • M. Bartłomiejczyk

  - Year 2015

  Nowadays the issue of electric energy saving in public transport is becoming a key area of interest which is connected both with a growth in environmental awareness of the society and an increase in the prices of fuel and electricity. It can be achieved by reducing of the transmission losses in supply system or by the improving of the usage of the regenerative breaking. The article presents an analysis of applying these two options...

• SMART GRID TECHNOLOGIES IN ELECTRIC POWER SUPPLY SYSTEMS OF PUBLIC TRANSPORT

  Publication

  • M. Bartłomiejczyk

  - Technika Transportu Szynowego - Year 2015

  Nowadays the issue of electric energy saving in public transport is becoming a key area of interest, which is connected both with a growth in environmental awareness of the society and an increase in the prices of fuel and electricity. It can be achieved by reducing the transmission losses in a supply system or by the improving the usage of the regenerative breaking. The article presents an analysis of applying these two options...

• SMART GRID TECHNOLOGIES IN ELECTRIC POWER SUPPLY SYSTEMS OF PUBLIC TRANSPORT

  Publication

  • M. Bartłomiejczyk

  - Transport - Year 2018

  Nowadays the issue of electric energy saving in public transport is becoming a key area of interest which is connected both with a growth in environmental awareness of the society and an increase in the prices of fuel and electricity. It can be achieved by improving the usage of regenerative breaking. In 2016 the Przedsiębiorstwo Komunikacji Trolejbusowej (PKT, Trolleybus Transport Company) in Gdynia began practical implementation...

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• Influence of electric power generator structure on frequency control - mathematical modeliling

  Publication

  • Z. Domachowski
  • M. Dzida
  • M. H. Ghaemi

  - ARCHIWUM ENERGETYKI / ARCHIVES OF ENERGETICS - Year 2011

  Podstawowym celem pakietu ''3x20'' Unii Europejskiej jest zmniejszenie o 20% emisji dwutlenku węgla. Z tego powodu oczekuje się w Polsce rozwoju energetyki wiatrowej, podobnie jak energetyki jądrowej, a także mini elektrociepłowni. Elektrownie wiatrowe i jądrowe wnoszą specyficzne problemy w regulacji automatycznej częstotliwości systemu elektroenergetycznego. farmy wiatrowe wymagają pod tym względem wspomagania przez elektrownie...

• Dianli Zidonghua Shebei / Electric Power Automation Equipment

  Journals

  ISSN: 1006-6047

• Dianli Xitong Zidonghua/Automation of Electric Power Systems

  Journals

  ISSN: 1000-1026

• Nonlinear model of a synchronous generator for analysis of more electric aircraft power systems

  Publication

  • F. Kutt
  • M. Michna
  • P. Chrzan
  • M. Ronkowski

  - Maszyny Elektryczne : zeszyty problemowe - Year 2009

  A nonlinear model for studying a variable-speed synchronous generator (SG) in more electric aircraft (MEA) power system has been developed. The saturation effects of the SG magnetic circuit have been considered. The model has been implemented in the Synopys/Saber simulation environment. The modelling language MAST has been used to elaborate the SG model. The model exhibit a network with the same number of external terminals/ports...

• The Research into the Effect of Conditions of Combined Electric Powered Diamond Processing on Cutting Power

  Publication

  • D. Lobanov
  • P. Arkhipov
  • A. Yanyushkin
  • V. Skeeba

  - Key Engineering Materials - Year 2017

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• Onboard Energy Storage and Power Management Systems forAll-Electric Cargo Vessel Concept

  Publication

  • D. Karkosiński
  • W. Rosiński
  • P. Deinrych
  • S. Potrykus

  - ENERGIES - Year 2021

  This paper presents an innovative approach to the design of a forthcoming, fully electric-powered cargo vessel. This work begins by defining problems that need to be solved when designingvessels of this kind. Using available literature and market research, a solution for the design of apower management system and a battery management system for a cargo vessel of up to 1504 TEUcapacity was developed. The proposed solution contains...

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• Design and Simulation Verification of Low Power Wireless Charging Battery System for Electric Bicycle

  Publication

  • V. Shevchenko
  • O. Husev
  • B. Pakhaliuk
  • I. Kondratenko
  • B. Pakhaliuk

  - Year 2018

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• Computational investigations of acoustic radiation from end shields of small-power electric motor

  Publication

  • D. Karkosiński

  - Archives of Electrical Engineering - Year 2007

  W artykule omówiono rozwój metod modelowania własności akustycznych maszyn elektrycznych. Wskazano na pomijalny dotąd, znaczący udział drgań tarcz łożyskowych w emitowaniu hałasu przez silniki małej mocy. Na podstawie równania falowego potencjału prędkości wyprowadzono analityczne formuły do obliczeń akustycznych w polu bliskim tarczy łożyskowej. Zamieszczono uzyskane z serii obliczeń dla pracującego silnika, rozkłady ciśnienia...

• Multiservice Optical Fibre Local Area Networks For Data Transmission And Telemetry In The Electric Power Industry

  Publication

  • S. Feliks
  • R. Ryszard
  • R. S. Romaniuk

  - Year 1986

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• Evaluation of quality of electric power distribution network elements in order to maintain functional and technical safety

  Publication

  • M. Kwiesielewicz

  - Year 2005

  Praca dotyczy wieloatrybutowego systemu oceny elementów sieci elektroenergetycznej do celów zapewnienia jej bezpieczeństwa funkcjonalnego i technicznego. Rozważana sieć składa się z dużej liczby elementów, ocenianych jakościowo i ilościowo. Zaproponowana metoda składa się z dwóch etapów: (i)wstępnego wyboru niewielkiej liczby elementów niebezpiecznych w oparciu o małą liczbę informacji (ii) wykonaniu uszeregowania wybranych elementów...

• Modelling of the High Speed Multi-Pole Synchronous Generator for Application in More Electric Aircraft Power Systems

  Publication

  • M. Michna
  • F. Kutt
  • M. Ronkowski

  - Year 2015

  In this paper different models of the synchronous generator are presented. The simulation results compared with the measurements are shown. Certain physical phenomena are included in described models for the porpoise of adequate analysis of the more electric aircraft power system. For different modelling levels, such as functional level or behavioural level, different physical phenomena have been included. Simulation results for...

• Bilateral power supply of the traction network as a first stage of Smart Grid technology implementation in electric traction

  Publication

  • M. Bartłomiejczyk

  - MATEC Web of Conferences - Year 2018

  Since 2001, trolleybus system in Gdynia has been involved in many activities related to the reduction of power consumption, both in terms of implementation and research and development. In PKT, in cooperation with SESTO company, started applications of Smart Grid technologies in supply network: the bilateral supply. The paper presents results of this this novel investment.

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• Assessment of the factors influencing on the formation of energy-oriented modes of electric power consumption by water-drainage installations of the mines

  Publication

  • O. Sinchuk
  • I. Sinchuk
  • T. Beridze
  • Y. Filipp
  • K. Budnikov
  • O. Dozorenko
  • R. Strzelecki

  - Mining of Mineral Deposits - Year 2021

  Purpose. Performing the analysis to determine energy-efficient modes and assess the characteristics of the main indicators of electric power consumption by mine water-drainage installations based on the developed research mathematical model. Methods. To achieve the purpose set, a methodology is used to develop the multiple multifactor correlation-regression modeling with respect to the modes of electric power consumption by electrical...

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• Comparative Analysis of Salient and Non-Salient Pole Brushless Synchronous Generator for Application in Autonomous Electric Power System

  Publication

  • F. Kutt
  • M. Michna
  • G. A. Kostro
  • M. Ronkowski

  - Year 2013

  This paper presents a comparative study of two types of brushless synchronous generator for application in autonomous electric power systems (e.g. airplane power grid). Commercially used salient pole and a prototype non-salient pole high speed multi-pole brushless synchronous generator (BSG) have been presented. Comparative analysis of both types of the generator has been performed. Chosen simulation (using FEM and circuit models)...

• Size selection of main engines for ship diesel-electric power systems using random models : chapter 17

  Publication

  • A. Balcerski

  - Year 2005

  Podano oryginalną mtodę projektowania okrętowych układów napędowych diesel elektrycznych, szczgólnie na jednostkach tzw. technologicznych. Zaprezentowano możliwości określania zapotrzebowania na enrgię mechaczną i elektryczną oraz sposób syntezy tych obciążeń, tworzących obciążenia silników napędowych. Opis omawianych obciążeń oparto o modele probabilistyczne.

• Specificity of automatic control of micro-turbines (steam or gas -driven and expanders) in dispersed generation system of heat and electric power

  Publication

  • Z. Domachowski

  - Polish Maritime Research - Year 2009

  This paper presents specific problems of automatic control of steam micro-turbines and expanders intended for the dispersed, combined generating of heat and electric power. The investigations concern ensurance of certainty of energy supply and its required quality.

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• ELECTRIC POWER COMPONENTS AND SYSTEMS

  Journals

  ISSN: 1532-5008 , eISSN: 1532-5016

• IET Electric Power Applications

  Journals

  ISSN: 1751-8660 , eISSN: 1751-8679

• The power spectral density of audible noise and electric disturbances in ship’s electrical drive systems with frequency converters

  Open Research Data

  open access

  • B. Pałczyńska

  The presented dataset is part of research focusing on the impact of the ship's electrical drive systems with frequency converters on vibrations and the level of audible noise on ships.

• Design concept of diesel-electric power plant of a two-segment passenger ship intended for operating on east-west inland waterways of Poland

  Publication

  • D. Bocheński
  • J. Rudnicki

  - Journal of Polish CIMEEAC - Year 2007

  Artykuł przedstawia koncepcję siłowni spalinowo-elektrycznej dwuczłonowego śródlądowego statku pasażerskiego. Projekt statku wykonany został w ramach projektu EUREKA InCoWaTrans E!3065, który dotyczy nowej generacji przyjaznych środowiskowo statków śródlądowych i przybrzeżnych dla polskiego systemu dróg wodnych relacji Wschód-Zachód.

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• Small wood waste fired combined heat and power plant. Possible use of wood biomass for the generation of electric and heat energy as an alternative to fossil fuels

  Publication

  • M. Dzida

  - Journal of Polish CIMEEAC - Year 2015

  This article discusses the possibility of burning wood biomass instead of fossil fuels in boilers. It describes the properties of wood biomass, including the variation of its calorific value depending on the moisture content of wood. The article proposes several variants of a combined heat and power plant (CHP) system burning wood biomass for the generation of electric and heat energy, using the energy contained in exhaust gases...

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• Sterowanie systemu elektroenergetycznego zasilanego układem kombinowanym silnik spalinowy - turbina gazowa = Control of electric power system suplied with combined diesel engine and gas turbine

  Publication

  • Z. Domachowski

  - Year 2005

  Poddano badaniom symulacyjnym układ sterowania automatyc znego elektroenergetycznego systemu wydzielonego, zasilanego prądnicami napędzanymi przez wysokoprężny silnik spalinowy oraz turbinę gazową. Przebieg procesów symulacyjnych zależy głównie od nastawień regulatora częstotliwości systemu elektroenergetycznego. Od ustawień regulatora silnika tłokowego zależy mniej niż w przypadku turbiny gazowej. Nie odgrywa istotnej roli sposób...