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    Wyświetlanie 1-14 z 14
    Tytuł:
    Sampled Method of Active Power Filter Control. Part II
    Autorzy:
    Szromba, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/262604.pdf
    Data publikacji:
    2006
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
    Tematy:
    shunt active power filter
    power factor
    power quality
    Opis:
    The aim of the paper is to demonstrate how to use sampled method of control of a shunt active power filter to maintain invariable power of a supplying voltage source, even though the supplied load varies randomly. The definition by S. Fryze of load current components is used as a basis for the construction of a family of shunt active power filters. The distinctive property of these filters is maintaining non-deformed source current in every one individually considered period T. The main features of the family of filters are described in the first part of the paper, which is devoted to DC circuit. In the second part, the results are implemented to a single- and a three-phase circuit. Additionally, some new features, which may be applied only for AC circuit, are discussed in the second part. All the presented waveforms are obtained using computer simulation tools.
    Źródło:
    Electrical Power Quality and Utilisation. Journal; 2006, 12, 1; 29-39
    1896-4672
    Pojawia się w:
    Electrical Power Quality and Utilisation. Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sampled method of active power filter control. Part 1
    Autorzy:
    Szromba, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/262771.pdf
    Data publikacji:
    2005
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
    Tematy:
    shunt active power filter
    power factor
    power quality
    Opis:
    The aim of the paper is to demonstrate how to use sampled method of control of a shunt active power filter to maintain invariable power of a supplying voltage source, even though the supplied load varies randomly. The definition by S. Fryze of load current components is used as a basis for the construction of a family of shunt active power filters. The under discussion family of filters is designed to work synchronically with a time period T. The period T may be regulated in some range. The distinctive property of these filters is maintaining non-deformed source current in every one individually considered period T. Main features of the family of filters are described in the first part of the paper, which is devoted to DC circuit. Then in the second part, the results, which are obtained in DC circuit, are implemented to a single- and then to a three-phase circuit. Additionally, some new features, which may be applied only for AC circuit, are discussed in the second part. All the presented waveforms are obtained using computer simulation tools.
    Źródło:
    Electrical Power Quality and Utilisation. Journal; 2005, 11, 2; 91-98
    1896-4672
    Pojawia się w:
    Electrical Power Quality and Utilisation. Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Model predictive control of four-leg three-level flying capacitor converter: influence of model parameter mismatch
    Autorzy:
    Antoniewicz, K.
    Rafał, K.
    Jasiński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193479.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    multilevel converter
    current control
    model predictive control
    MPC
    shunt active power filter
    SAPF
    Opis:
    This paper presents a control method for a four-leg three-level flying capacitor converter (FCC) operating as a shunt active power filter (SAPF), based on model predictive control with finite number of control states (FS-MPC). Current control and capacitor voltage balancing are described. Influence of the mismatch of the inductive filter model parameters on the current control precision is analysed. Results are supported by the experimental waveforms obtained with a 10kVA set-up.
    Źródło:
    Power Electronics and Drives; 2018, 3, 38; 1-9
    2451-0262
    2543-4292
    Pojawia się w:
    Power Electronics and Drives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Compensation of supply current harmonics, reactive power, and unbalanced load current balance in the closed-loop control of a shunt active power filter
    Autorzy:
    Bielecka, Agata
    Wojciechowski, Daniel
    Powiązania:
    https://bibliotekanauki.pl/articles/135289.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Morska w Szczecinie. Wydawnictwo AMSz
    Tematy:
    shunt active power filter (SAPF)
    harmonic compensation
    reactive power compensation
    prediction
    closed-loop
    open-loop
    Opis:
    This paper presents the compensation tasks performed by a shunt active power filter, including compensation of harmonic currents, reactive power, and an unbalanced load current. The paper demonstrates novel control of the shunt active power filter in a closed-loop system. The control algorithm was verified by performing simulations and compared the simulated results with those obtained in an open-loop control system. All simulations were conducted in the PLECS program using a control algorithm written in C programming language.
    Źródło:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2020, 61 (133); 9-16
    1733-8670
    2392-0378
    Pojawia się w:
    Zeszyty Naukowe Akademii Morskiej w Szczecinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the Shunt Active Power Filter apparent power ratio using particle swarm optimization
    Autorzy:
    Kouzou, A.
    Mahmoudi, M. O.
    Boucherit, M. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/229885.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    effective apparent power
    shunt active power filter
    particle swarm optimization (PSO)
    harmonics
    unbalanced voltages
    unbalanced load
    Opis:
    The main objective of this present paper is the study of the Shunt Active Power Filter (APF) compensations capability for different perturbations in AC power system such as current unbalance, phase shift current and undesired harmonics generated by nonlinear load and/or by the power system voltage. This capability is determined by the maximum rate of the apparent power that can be delivered. This study is based on the definition of the effective apparent power as defined in IEEE 1459-2000 which was proved to be the suitable amount to be concerned in the design process of different devices.
    Źródło:
    Archives of Control Sciences; 2010, 20, 1; 47-76
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Control imrovement of shunt active power filter using an optimized-PI controller based on ant colony algorithm and swarm optimization
    Autorzy:
    Berbaoui, B.
    Ferdi, B.
    Benachaiba, C.
    Dehini, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/385137.pdf
    Data publikacji:
    2010
    Wydawca:
    Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
    Tematy:
    ant colony optimization
    particle swarm optimization (PSO)
    shunt active power filter
    armonic compensation
    PI controller
    Opis:
    In the last years, there has been a increase currents harmonics on electrical network injected by nonlinear loads, such as rectifier equipment used in telecommunication system, power suppliers, domestic appliances, ect. This paper makes a comparison of the effectiveness of the two methods on particular optimization problem, namely. The tuning of the parameters for PI DC link voltage to a shunt active power filter. The simulation results demonstrates that the optimized PI controller by ant colony (ACO) presents a advantage of little response time and best control performances compared to the optimized PI with Particle swarm (PSO). This comparison is shown on redu cing harmonic current supply (THD).
    Źródło:
    Journal of Automation Mobile Robotics and Intelligent Systems; 2010, 4, 4; 19-25
    1897-8649
    2080-2145
    Pojawia się w:
    Journal of Automation Mobile Robotics and Intelligent Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conductance-controlled global-compensation-type shunt active power filter
    Autorzy:
    Szromba, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/140436.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    shunt active power filter
    active current
    indirect control method
    instantaneous compensation
    load equivalent conductance
    energy flow control
    Opis:
    This paper presents a load equivalent conductance based control method for a shunt active power filter. The principle of energy balance in the circuit, which means between supplying source - active filter - load, is used to obtain the control formula. The natural inertia of the active filter action is exploited, so no PI regulators are needed. The active filter can compensate for non-active current and, additionally, can stabilise the supplying source active power. In a case of generating loads energy harvesting is possible. The presented method is useful as well for voltage-source as current-source inverter based active filters, and for DC system as well as for AC single- or three-phase one.
    Źródło:
    Archives of Electrical Engineering; 2015, 64, 2; 259-275
    1427-4221
    2300-2506
    Pojawia się w:
    Archives of Electrical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Precyzyjna kompensacja zniekształceń harmonicznych prądu przez równoległy filtr aktywny
    The precise compensation of grid current distortion by shunt active power filters
    Autorzy:
    Cichowski, A.
    Śleszyński, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/268510.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
    Tematy:
    przetwarzanie mocy
    filtr aktywny
    kompensacja efektu czasu martwego
    power conditioning
    shunt active power filter
    dead time compensation
    Opis:
    W artykule zaprezentowano cztery źródła niedokładnej kompensacji harmonicznych prądu przez filtr aktywny. Są nimi: niedokładna synchronizacja z napięciem sieci zasilającej, opóźnienia wprowadzane w układzie sterującym, fluktuacje napięcia w obwodzie pośredniczącym oraz zniekształcenia napięć generowanych przez przekształtnik energoelektroniczny spowodowane głównie czasem martwym. W artykule przedstawiono wpływ zaproponowanych udoskonaleń algorytmu sterowania równoległym filtrem aktywnym na ograniczanie zniekształceń prądów sieciowych. Wszechstronne podejście do algorytmu sterowania równoległym filtrem aktywnym pozwoliło uzyskać unikalnie niską zawartość zniekształceń harmonicznych prądów pobieranych z sieci elektroenergetycznej.
    This paper addresses the main sources of grid current distortion in shunt active power filter applications and proposes efficient solutions to selected problems. This sources are: imperfect grid synchronization caused by the distortion in the grid voltages, time delays in the evaluation of grid voltages and computation of compensating currents, fluctuations of the dc bus voltage, and the distortion of inverter output voltages due to dead-time effects and related factors. The focus of the paper is on the assessment of the significance of the proposed improvements in the control algorithm for the reduction of harmonic distortion of grid currents. Experimental results show that in the investigated control system the most important algorithms are those concerning dead time compensation, load current prediction, suppression of dc voltage related distortions in reference currents and synchronization with the grid voltage. On the other hand less important variants are with a secondorder Butterworth filter instead of the moving average and predictive current controller without voltage prediction. Comprehensive approach to the compensation of grid current distortion in shunt active power filter systems allowed to obtain an exceptionally low THD (0,23 % for high currents).
    Źródło:
    Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2015, 47; 27-30
    1425-5766
    2353-1290
    Pojawia się w:
    Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analysis of Solar Generation System with 21- CHB-MLI integrated SAPF based ANN and AGPSO tuned PI controller to enhance power quality
    Autorzy:
    Agrawal, Seema
    Kumar, Mahendra
    Palwalia, D. K.
    Powiązania:
    https://bibliotekanauki.pl/articles/41176533.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Warszawska, Instytut Techniki Cieplnej
    Tematy:
    SAPF
    shunt active power filter
    THD
    ANN
    artificial neural network
    AGPSO algorithm
    PCC
    bocznikowy filtr mocy czynnej
    sztuczna sieć neuronowa
    algorytmy
    Opis:
    This paper represents comparative analysis of artificial neural network (ANN) and AGPSO tuned PI controller based power quality improvement solar generation system. Now a day's Power quality is a major problem due to non-liner load based on power electronics. SAPF is solution to overcome such power quality issues in dynamic manner. With the use of both soft computing controllers based Shunt active power filter, it is tried to reduce harmonics (distortions), compensate reactive power, enhance power quality and power factor correction of supply voltage. System comprises 21-Level cascaded H-bridge inverter supplied from photovoltaic panel, series coupling inductor and self supported DC (capacitor) bus. Voltage harmonics of supplied voltage from PV is reduced by 21-level cascades H-bridge inverter in which switching signal is generated by carrier based in phase level shifted pulse width modulation technique. Incremental conductance (IC) MPPT technique is incorporated to maximize PV panel output. Phase locked loop based unit template generation and Levenberg Marquardt algorithm trained ANN and AGPSO tuned PI controller based DC bus voltage regulation is utilized for current quality improvement in SAPF. Comparative results show the effectiveness of ANN controller than A GPSO tuned PI controller. Suggested model is simulated in Matlab/Simulink 2016(b) for effectiveness.
    Źródło:
    Journal of Power Technologies; 2022, 102, 4; 121-131
    1425-1353
    Pojawia się w:
    Journal of Power Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A fuzzy logic approach to shunt active power filter and hybrid active power filter
    Autorzy:
    Sahoo, Nirjharini
    Panda, Gayadhar
    Subudhi, B. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/41189662.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Warszawska, Instytut Techniki Cieplnej
    Tematy:
    Index terms
    shunt active power filter
    hybrid active power filter
    hysteresis current controller
    total harmonic distortion (THD)
    indirect current controller
    filtr mocy czynnej
    filtr hybrydowy
    zniekształcenie harmoniczne
    regulator prądu
    Opis:
    This paper describes a Fuzzy Logic approach to Shunt Active power filter (SAPF) versus Hybrid Active Power Filter (HAPF) using Simulink. Here hysteresis controlled PWM method is applied to the SAPF and HAPF as a current controller and Fuzzy logic controller as a inverter dc voltage controller. To reduce harmonics, Shunt Active Power Filters (SAPFs) are used with various control schemes, but Hybrid Active power filter is a power electronic device which has both the characteristics of passive power filters and active power filters, which helps in cancelation of the harmonics by producing compensating signal. The fuzzy-hysteresis controller is designed and its simulation results are presented for both the filter types, showing acceptable THD results for the word length used in the fixed-point computations involved in the switching sequence generation. The results of the above controller are compared with the Indirect current controller.
    Źródło:
    Journal of Power Technologies; 2023, 103, 4; 209-217
    1425-1353
    Pojawia się w:
    Journal of Power Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An active power filter based on a hybrid converter topology – Part 1
    Autorzy:
    Gwóźdź, Michał
    Ciepliński, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2173586.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    shunt active power filter
    pulse width modulation
    PWM
    sigma-delta modulator
    silicon carbide
    bocznikowy filtr mocy czynnej
    modulacja szerokości impulsu
    modulator sigma-delta
    węglik krzemu
    Opis:
    This paper presents a concept of a shunt active power filter, which is able to provide more precise mapping of its input current drawn from a power line in a reference signal, as compared to a typical filter solution. It can be achieved by means of an interconnection of two separate power electronics converters making, as a whole, a controlled current source, which mainly determines the quality of the shunt active filter operation. One of these power devices, the “auxiliary converter”, corrects the total output current, being a sum of output currents of both converters, toward the reference signal. The rated output power of the auxiliary converter is much lower than the output power of the main one, while its frequency response is extended. Thanks to both these properties and the operation of the auxiliary converter in a continuous mode, pulse modulation components in the filter input current are minimized. Benefits of the filter are paid for by a relatively small increase in the complexity and cost of the system. The proposed solution can be especially attractive for devices with higher output power, where, due to dynamic power loss in power switches, a pulse modulation carrier frequency must be lowered, leading to the limitation of the “frequency response” of the converter. The concept of such a system was called the “hybrid converter topology”. In the first part of the paper, the rules of operation of the active filter based on this topology are presented. Also, the results of comparative studies of filter simulation models based on both typical, i.e. single converter, and hybrid converter topologies, are discussed.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; art. no. e136218
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An active power filter based on a hybrid converter topology – Part 1
    Autorzy:
    Gwóźdź, Michał
    Ciepliński, Łukasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2090725.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    shunt active power filter
    pulse width modulation
    PWM
    sigma-delta modulator
    silicon carbide
    bocznikowy filtr mocy czynnej
    modulacja szerokości impulsu
    modulator sigma-delta
    węglik krzemu
    Opis:
    This paper presents a concept of a shunt active power filter, which is able to provide more precise mapping of its input current drawn from a power line in a reference signal, as compared to a typical filter solution. It can be achieved by means of an interconnection of two separate power electronics converters making, as a whole, a controlled current source, which mainly determines the quality of the shunt active filter operation. One of these power devices, the “auxiliary converter”, corrects the total output current, being a sum of output currents of both converters, toward the reference signal. The rated output power of the auxiliary converter is much lower than the output power of the main one, while its frequency response is extended. Thanks to both these properties and the operation of the auxiliary converter in a continuous mode, pulse modulation components in the filter input current are minimized. Benefits of the filter are paid for by a relatively small increase in the complexity and cost of the system. The proposed solution can be especially attractive for devices with higher output power, where, due to dynamic power loss in power switches, a pulse modulation carrier frequency must be lowered, leading to the limitation of the “frequency response” of the converter. The concept of such a system was called the “hybrid converter topology”. In the first part of the paper, the rules of operation of the active filter based on this topology are presented. Also, the results of comparative studies of filter simulation models based on both typical, i.e. single converter, and hybrid converter topologies, are discussed.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; e136218, 1--10
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Self-adaptive fault-tolerant control strategy of shunt active power filter based on multicellular converter
    Autorzy:
    Bouhafs, Ali
    Rouabah, Boubakeur
    Kafi, Mohamed Redouane
    Louazene, Lakhdar
    Powiązania:
    https://bibliotekanauki.pl/articles/27313833.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    self-adaptive fault-tolerant control
    multicellular power converter
    shunt active power filter
    sliding mode control
    power quality improvement
    sterowanie odporne na uszkodzenia
    wielokomórkowy konwerter mocy
    aktywny filtr mocy
    sterowanie trybem ślizgowym
    poprawa jakości zasilania
    Opis:
    The use of multicellular topology in power quality enhancement can reduce the power loss and also dv/dt of power switches, minimize the electromagnetic interference. However, the failure of flying capacitors can reduce the active filtering efficiency and affect the power quality by injecting currents with wave-form distortion (harmonics, notching, noises etc.) in power distribution grid. Therefore, this study presents a faulttolerant control strategy (FTC) allowing to keep the normal operation conditions of a multicellular converter even under failure mode. The obtained results show that the proposed FTC strategy enhances the power quality of power distribution grid when a fault in flying capacitors occurs.
    Źródło:
    Diagnostyka; 2023, 24, 4; art. no. 2023411
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fuzzy logic in decision support system as a simple Human/Internet of Things interface for shunt active power filter
    Autorzy:
    Jasiński, M.
    Majtczak, P.
    Malinowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/201645.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    fuzzy logic
    decision support system
    shunt active power filter
    power quality
    smart grids
    smart industry
    harmonics compensation
    internet of things (IoT)
    internet of everything
    logika rozmyta
    system wspomagania decyzji
    filtr aktywny
    jakość energii
    inteligentne sieci
    smart przemysł
    kompensacja harmonicznych
    Internet Przedmiotów
    Internet Wszystkiego
    Opis:
    This paper introduces a fuzzy logic (FL) based decision support system (DSS) for a three-phase bidirectional AC-DC grid converter, working in a modern grid-like smart grid or smart industry. It is assumed that the appliances connected to that grid interact as in the Internet of Things (IoT) or like in the Internet of Everything (IoE) i.e. with a human being located in the chain of data flow. A power electronics AC-DC converter, operating as a shunt active power filter (SAPF) is selected for the case study. A harmonics reduction algorithm is presented as an implementation sample of the DSS. The operation of the SAPF is described and analysed. Experimental results showing the tuning process and operation of the laboratory model are also presented and discussed. Finally, it is shown that the DSS is an elegant and intuitive interface, which can simplify a human’s or machine’s decision-making process. Thanks to the DSS, the meaning of transferred data is translated into linguistic variables that can be understood by non-experts. Hence, it is expected that the amount of transferred data in the smart grid and in the IoE would be reduced. But in the same time, the high quality of the controlled process is retained, as shown by the example of a conventional SAPF.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2016, 64, 4; 877-886
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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