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Search results for: GENERATORY LC
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Simulation of incremental encoder signals
PublicationPrzedstawiono generator sygnału impulsowego do symulacji sygnału z przetwornika obrotowo-impulsowego w stanach przejściowych. Omówiono algorytmy wyznaczenia przedziałów międzyimpulsowych dla trzech rodzajów zmian prędkości obrotowej: liniowej, wykładniczej oraz sinusoidalnej. Przeanalizowano błędy kwantowania wynikające z cyfrowej realizacji generatora.
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Synergistic effects of a swirl generator and MXene/ water nanofluids used in a heat exchanger pipe of a negative CO2 emission gas power plant
Publicationfocus on optimizing heat exchangers contributes to improved temperature control mechanisms, ensuring the sustainable operation of innovative power plants working towards negative CO2 emissions. In the realm of oxy-combustion within Negative CO2 Emission Power Plants (nCO2PP), the temperature of combustion products surpasses 3000 (K). Addressing this challenge, the imperative arises to reduce these elevated temperatures to a manageable...
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Blok wytwórczy w hierarchicznej strukturze sterowania U i Q.
PublicationIstotną rolę w procesie regulacji napięć w systemie elektroenergetycznym pełni generator synchroniczny. W referacie przedstawiono wymagania dla układów regulacji generatorów synchronicznych jako elementów hierarchicznej struktury sterowania U i Q.
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Układy pomiarowe do identyfikacji obciążenia i wyznaczania mocy w generatorze LLC do nagrzewania indukcyjnego
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Sensorless Fault Detection of Induction Motor with Inverter Output Filter
PublicationThe paper presents the problem of monitoring and fault detection of a sensorless voltage inverter fed squirrel cage induction motor with LC filter. The detection is based on load torque estimation of the investigated torque transmission system. The load torque is calculated besides the computation of other variables that are mandatory for sensorless drive operation such as rotor flux and speed. The implemented LC filter smooths...
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Measurements of active power coefficients in a ship power station with two generators working in parallel
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data, expressing active...
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Measurements of apparent power distribution in a ship power station with two generators working in parallel
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data, expressing an apparent...
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Measurements of active power distribution in a ship power station with two generators working in parallel
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data expressing an active...
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Measurements of reactive power distribution in a ship power station with two generators working in parallel
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data, expressing a reactive...
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The voltage on bus bars of the main switchboard of the ro-ro ship electrical power system during maneuvering
Open Research DataThe 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.
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Advanced Control With PLC—Code Generator for aMPC Controller Implementation and Cooperation With External Computational Server for Dealing With Multidimensionality, Constraints and LMI Based Robustness
PublicationThe manufacturers of Programmable Logic Controllers (PLC) usually equip their products with extremely simple control algorithms, such as PID and on-off regulators. However, modern PLCs have much more efficient processors and extensive memory, which enables implementing more sophisticated controllers. The paper discusses issues related to the implementation of matrix operations, time limitations for code execution within one PLC...
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Weryfikacja nastawień zabezpieczeń od utraty wzbudzenia na przykładzie elektrociepłowni przemysłowej
PublicationW artykule przedstawiono rozważania dotyczące działania zabezpieczeń reaktancyjnych od utraty wzbudzenia generatorów synchronicznych, pracujących w elektrociepłowni przemysłowej. Pokazano możliwości niewłaściwego działania zabezpieczenia od utraty wzbudzenia, wskazując że dobór nastawień powinien każdorazowo wykorzystywać badania modelowe. Przyjmowanie nastawień typowych zgodnych z wiedzą inżynierską może być przyczyną niewłaściwego...
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OZNACZANIE POZOSTAŁOŚCI PESTYCYDÓW W ORGANIZMACH PSZCZELICH ORAZ W MIODZIE Z WYKORZYSTANIEM PROCEDURY OPARTEJ NA ZASTOSOWANIU CHROMATOGRAFÓW SPRZĘŻONYCH Z TANDEMOWYMI SPEKTROMETRAMI MAS (GC-MS/MS i LC-MS/MS)
PublicationPestycydy to bardzo liczna grupa różnorodnych związków chemicznych stosowa-nych w rolnictwie. Ze względu na swoją trwałość gromadzą się w różnych elementach środowiska i mogą występować w obszarze, na którym nigdy nie zostały użyte. Zachodzi także proces ich bioakumulacji w tkankach oraz narządach zwierząt i roślin. Stosowane w rolnictwie środki ochrony roślin (szczególnie w okresie wzmożonych zabiegów agro-technicznych wiosną...
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The voltage on bus bars of the main switchboard of the ferry electrical power system during maneuvering
Open Research DataThe 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.
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Measurements of the coefficients of current distribution between two generators operating in parallel in a ship power station
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data, expressing the coefficients...
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Measurements of the rms currents in two phases in a ship power station with two generators operating in parallel
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data, expressing the rms...
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Measurements of the rms voltages on main bars in a ship power station with two generators operating in parallel
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data, expressing the rms...
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Sterowanie ślizgowe maszyną dwustronnie zasilaną
PublicationW artykule zaprezentowano układ regulacji mocą czynną i bierną maszyny dwustronnie zasilanej pracującej jako generator. Do syntezy układu regulacji mocy wykorzystano model multiskalarny maszyny dwustronnie zasilanej. Sterowanie nieliniowym obiektem generatora zrealizowano z wykorzystaniem techniki sterowania ślizgowego.W publikacji przedstawiono wyniki badań symulacyjnych dla skokowych zmian wielkości zadanychmocy P i Q.
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Ziemowit Suligowski prof. dr hab. inż.
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Michał Michna dr hab. inż.
PeopleMichal 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...
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Analiza porównawcza metod predykcji chwili zgodności fazowejw automatycznym synchronizatorze prądnic = Comparison of the methods of prediction time phase coincidence in automatic synchronizer of power generators
PublicationW artykule porównano dokładność wybranych metod realizacji warunku fazowego podczas synchronizacji obiektów elektroenergetycznych. Do porównania wybrano trzy metody: liniową, wielomianową oraz metodę adaptacyjnej synchronizacji prądnic z ekstrapolacją funkcją wymierną. Badania przeprowadzono dla różnych warunków pracy. Przyjęto stałą różnicę częstotliwości napięć synchronizowanych obiektów, różnicę częstotliwości zmieniającą się...
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Cleaner energy for sustainable future using hybrid photovoltaics-thermoelectric generators system under non-static conditions using machine learning based control technique
PublicationIn addition to the load demand, the temperature difference between the hot and cold sides of the thermoelectric generator (TEG) module determines the output power for thermoelectric generator systems. Maximum power point tracking (MPPT) control is needed to track the optimal global power point as operating conditions change. The growing use of electricity and the decline in the use of fossil fuels have sparked interest in photovoltaic-TEG...
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Measurements of the coefficients of active power distribution between two generators operating in parallel in a ship power station
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (E/A v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering of Gdynia Maritime University. The attached dataset contains processed data, expressing coefficients...
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Dariusz Karkosiński dr hab. inż.
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Shock wave - boundary layer interaction control by air-jet streamwise vortices
PublicationW pracy przedstawiono wyniki badań eksperymentalnych i numerycznych oddziaływania fali uderzeniowej z warstwą przyścienną. Badania eksperymentalne wykonano dla różnych geometrii dysz. Przedstawiono wpływ generatorów wirów wzdłużnych na strukturę przepływu i możliwość kontrolowania oderwania za falą uderzeniową. Przeprowadzono optymalizację konfiguracji generatora wirów w przepływie naddźwiękowym w oparciu wyniki obliczeń przepływu...
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The AC motor voltage and audible noise waveforms in ship’s electrical drive systems with frequency converters
Open Research DataThe 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.
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PLC-based Implementation of Stochastic Optimization Method in the Form of Evolutionary Strategies for PID, LQR, and MPC Control
PublicationProgrammable logic controllers (PLCs) are usually equipped with only basic direct control algorithms like proportional-integral-derivative (PID). Modules included in engineering software running on a personal computer (PC) are usually used to tune controllers. In this article, an alternative approach is considered, i.e. the development of a stochastic optimizer based on the (μ,λ) evolution strategy (ES) in a PLC. For this purpose,...
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High-Speed Binary-to-Residue Converter Design Using 2-Bit Segmentation of the Input Word
PublicationIn this paper a new approach to the design of the high-speed binary-to-residue converter is proposed that allows the attaining of high pipelining rates by eliminating memories used in modulo m generators. The converter algorithm uses segmentation of the input binary word into 2-bit segments. The use and effects of the input word segmentation for the synthesis of converters for five-bit moduli are presented. For the number represented...
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Assay of Cystathionine-γ-synthase (CaStr2p) activity determination.
Open Research DataThe study aimed to obtain conditions optimal for the activity of Candida albicans cystathionine-γ-synthase (CaStr2p) determination. The selection of appropriate reaction conditions included the identification of the reaction buffer and its pH, substrate, and enzyme concentrations. The activity of Str2p was measured by the detection of decrease of the...
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Activity assay of O-Acetyl-L-homoserine sulfhydrylase (CaMet15p).
Open Research DataThe study aimed to obtain conditions optimal for the activity of O-acetyl-L-homoserine sulfhydrylase (CaMet15p) and a method suitable for its measurement. The selection of appropriate reaction conditions included the identification of the reaction buffer and its pH, substrate and enzyme concentrations. The activity of CaMet15p was measured by the detection...
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Ryszard Strzelecki prof. dr hab. inż.
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Aleksandra Romanowska dr inż.
PeopleEmployee in the Highway and Transportation Engineering Department at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Poland. Her research interests include: modelling of road traffic, road safety, trip generation, transport behaviour and preferences of academic societies, planning sustainable urban mobility. In 2019 she was granted a PhD degree, under the supervision of Prof. Kazimierz Jamroz...
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The Large Customer Reactive Power Control Possibilities
Publicationn this paper the authors wish to draw attention to the rationale for, and the possibility of, the use of local reactive power sources by the Transmission Node Master Controller (TNMC). Large Customers (LC) are one of the possible reactive power sources. The paper presents the issues related to the need for coordination between the control systems installed in the LC network, and coordination between control systems of the LC as...
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Compact and Integrated High-Power Pulse Generation and Forming System
PublicationThis paper presents comprehensive analytical, numerical and experimental research of the compact and integrated high-power pulse generation and forming system based on the flux compression generator and the electro-explosive forming fuse. The paper includes the analysis of the presented solution, starting from the individual components studies, i.e., the separate flux compression generator tests in field conditions and the forming...
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KONSTRUKCJA KOMPILATORÓW
e-Learning CoursesCelem przedmiotu jest opanowanie przez studentów umiejętności samodzielnego tworzenia translatorów, w szczególności kompilatorów języków programowania wysokiego poziomu, a także zrozumienie zasad ich działania, co jest pomocne przy radzeniu sobie w przypadku występowania błędów kompilacji. Po udanym zaliczeniu przedmiotu studenci powinni być w stanie napisać analizator szerokiej klasy kodów źródłowych z wykorzystaniem generatorów...
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Molecular interaction sensors: a new detector platform for separation methods
PublicationPotencjometria jest nową metodą detekcji dla chromatografii cieczowej (LC)i elektroforezy kapilarnej (CE). Zastosowanie potencjometrii dla chromatograficznych technik wynika z faktu, że sygnał z detektora jest zależny od stanu rozdzielenia analitów nad pokryciem sensora i od rodzaju eluentu. Rozdzielenie analitu powoduje zmiany potencjału, a zmiany te można zaklasyfikować jako potencjometryczne. Do opisu ilościowego potrzebny jest...
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Developments in Green Chromatography
PublicationGreen analytical chemistry is a widely recognized concept that has led to the development of new analytical methods with reduced environmental impact and minimized analyst occupational exposure. Achievements include the development of microextraction, ultrasound-assisted extraction (UAE), and microwave-assisted extraction (MAE) techniques. Research towards greener separation processes focuses on the elimination of toxic solvents...
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Bartosz Czaplewski dr inż.
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The power spectral density of audible noise and electric disturbances in ship’s electrical drive systems with frequency converters
Open Research DataThe 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.
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Diagnostyka izolacji stojanów generatorów wysokiego napięcia w elektrowni wodnej Żarnowiec metodą próbkowania sekwencyjnego. IX Sympozjum Problemy Eksploatacji Układów Izolacyjnych Wysokiego Napięcia EUI ´03.
PublicationW artykule przedstawiono opis systemu Hydroscan do monitorowania pracy generatorów wolnobieżnych wysokiego napięcia oraz wstępną analizę pomiarów wyładowań niezupełnych zarejestrowanych metodą próbkowania sekwencyjnego pod kątem zmian ładunku, energii i częstości występowania, na wybranych hydrogeneratorach. W pierwszej części zamieszczono opis i zasadę działania systemu. W drugiej części przedstawiono metodykę badań oraz przykładowe...
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Direct chromatographic methods in the context of green analytical chemistry
PublicationWe review analytical protocols based on gas and liquid chromatography (GC and LC), but involving no sample preparation.Green analytical chemistry seeks to minimize negative impacts of analytical chemistry. Direct analytical methods ideally fulfillthis requirement, as they preclude sample preparation - the most polluting step of the analytical procedure.We describe examples of GC methodologies for environmental and food analysis...
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Highly Reliable Passive RFID-Based Inductor–Capacitor Sensory System Strengthened by Solvatochromism for Fast and Wide-Range Lactate Detection
PublicationA passive radio frequency-identification-based inductor-capacitor (LC) lactate sensory system with a specific dye-containing interdigitated capacitor (IDC) in which the sensing signal is amplified by the solvatochromic effect is proposed. When a lactate solution contacts the IDC of the LC lactate sensor, the capacitance of the IDC changes, changing the resonance frequency of the sensor. This changes the oscillation frequency of...
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Selected results of measurements carried out in a ship power station with two generators working in parallel with the use of the NI PXIe-1062Q based measurement system
Open Research DataThe presented dataset is part of research focusing on the assessment of metrological properties of the instrument, Estimator/Analyzer (A/E v.2), developed and made at the Faculty of Electrical Engineering, Department of Marine Electrical Power Engineering, of Gdynia Maritime University. The attached data set contains the results of measurements made...
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Algorytm i program sterowania układem samoczynnego załączania rezerwy zasilania z funkcją odciążania
PublicationW artykule omówiono układ samoczynnego załączania rezerwy (SZR) zasilania z jednym transformatorem i jednym generatorem przy rezerwie jawnej, z ośmioma grupami odbiorów i funkcją odciążania. W systemie sterowania tego układu SZR założono wykorzystanie sterownika programowalnego, graficznego dotykowego panelu operatorskiego i analizatorów parametrów sieci. Funkcja odciążania służy do realizacji przełączania wyłączników grup odbiorów...
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The voltage on bus bars of the main switchboard of the ro-ro ship electrical power system during a layover at the port
Open Research DataThe 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 a layover at the port.
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The statistic properties of rms voltage and frequency in the ship's electrical power system
Open Research DataThe dataset is a 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 results of a statistical analysis of rms voltage and frequency in the ship's electrical power system. The following statistical...
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Jan Hupka prof. dr hab. inż.
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Analytical data on molecular umbrella: cispentacin and molecular umbrella: fluorescent probe conjugates
Open Research DataAnalytical data (NMR, MS, FTIR) for nine conjugates of molecular umbrella with cispentacin, Lys(Mca) or Nap-NH2. The conjugates have been rationally designed as potential antifungal agents. 1H NMR and 13C NMR spectra were obtained at 500 MHz Varian Unity Plus spectrometer and the deuterated solvents were used as internal locks. High-resolution mass...
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The harmonic distortion of voltage waveforms in the ship's electrical power system
Open Research DataThe dataset is a part of the research results on the quality of supply voltage on bus bars of the ship's electrical power system's main switchboard in different states of ship exploitation. The attached dataset contains the results of a harmonic distortion analysis expressed by the total harmonic distortion (THD) coefficient of voltage waveforms recorded...
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Stanisław Szczepański prof. dr hab. inż.
People