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Wyświetlanie 1-10 z 33
Tytuł:
Analytical and experimental determination of the parasitic parameters in high-frequency inductor
Autorzy:
Zdanowski, M.
Barlik, R.
Powiązania:
https://bibliotekanauki.pl/articles/200393.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
model of inductor circuit
interlayer capacitance
parallel resonance
litz wire
inductor winding
skin effect
pojemność pośrednia
rezonans równoległy
cewka indukcyjna
Opis:
The paper presents the results of calculations, simulations, and measurements of parasitic capacitance of winding in ferrite inductor suitable for cooperating with 2 kW DC-DC boost converter built using SiC JFET transistors, operating with a switching frequency of 100 kHz. The inductor winding is made of litz wire in a two-layer configuration. The lumped model of inductor winding was adopted. The results of analytical calculations have been compared with the results obtained from experimental investigations based on the resonance effect.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 1; 107-112
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fully Analytical Characterization of the Series Inductance of Tapered Integrated Inductors
Autorzy:
Passos, F.
Fino, M. H.
Moreno, E. R.
Powiązania:
https://bibliotekanauki.pl/articles/226450.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
inductor design
variable width integrated spiral inductor
integrated spiral inductor
CMOS analog circuits
IC designing
RF IC design
Opis:
In this paper a general method for the determination of the series inductance of polygonal tapered inductor s is presented. The value obtained can be integrated into any integrated inductor lumped element model, thus granting the overall characterization of the device and the evaluation of performance parameters such as the quality factor or the resonance frequency. In this work, the inductor is divided into several segments and the corresponding self and mutual inductances are calculated. In the end, results obtained for several working examples are compared against electromagnetic (EM) simulations are performed in order to check the validity of the model for square, hexagonal, octagonal and tapered inductors. The proposed method depends exclusively on the geometric characteristics of the inductor as well as the technological parameters. This allows its straight forward application to any inductor shape or technology.
Źródło:
International Journal of Electronics and Telecommunications; 2014, 60, 1; 73-77
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fractional-order model of a non-linear inductor
Autorzy:
Lopes, A. M.
Tenreiro-Machado, J. A.
Powiązania:
https://bibliotekanauki.pl/articles/200387.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
fractional-order model
inductor
electrical impedance spectroscopy
model ułamkowy
induktor
spektroskopia
impedancja elektryczna
Opis:
This paper adopts a fractional calculus perspective to describe a non-linear electrical inductor. First, the electrical impedance spectroscopy technique is used for measuring the impedance of the device. Second, the experimental data is approximated by means of fractional-order models. The results demonstrate that the proposed approach represents the inductor using a limited number of parameters, while highlighting its most relevant characteristics.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2019, 67, 1; 61-67
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A dual inductor-fed boost converter with an auxiliary transformer and voltage doubler
Autorzy:
Dawidziuk, J.
Powiązania:
https://bibliotekanauki.pl/articles/201526.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
DC/DC boost converter
current-fed
dual inductor-fed
auxiliary transformer
voltage doubler
photovoltaic systems
Opis:
This paper presents a dual inductor-fed boost converter with an auxiliary transformer and voltage doubler for sustainable energy power converters. The new topology integrates a two-phase boost converter and a dual inductor-fed boost converter. The energy stored and transferred by both inductors can attain a wide input-voltage and load range which uses a constant switching frequency, by controlling the time duration of the simultaneous conduction of the two switches. Among other current-fed type boost converters the presented topology is attractive due to the high voltage conversion ratio, less stress on the components and less switch conduction loss. To verify the feasibility of this topology, the principles of operation, theoretical analysis, and experimental waveforms are presented for a 1 kW prototype.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2013, 61, 4; 787-791
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Possibility of using a tuned inductor in a power device to improve the quality of electricity
Autorzy:
Gwóźdź, Michał
Wojciechowski, Rafał M.
Powiązania:
https://bibliotekanauki.pl/articles/2172810.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
adaptive compensator
electric energy quality
modelling magnetic elements
tuned inductor
Opis:
This work focuses on the concept of operation and possibility of using a tuned inductor in electrical power systems with adaptive features. The idea presented here for the operation of the inductor is a new approach to the design of such devices. An example of a power adaptive system is a device for improving the quality of electricity. The negative impact of nonlinear loads on the operation of a power grid is a well-documented phenomenon. Hence, various types of “compensators” for reactive power, or for both reactive and distortion power, are used in electrical systems as a preventive measure. The concept of an inductor presented here offers wider possibilities for power compensation in power supply systems, compared to traditional solutions involving compensators based on fixed inductors. The use of the proposed solution in an adaptive compensator is only one example of its possible implementation in the area of power devices. In this work, we discuss the structure of the compensator, the basic aspects of the operation of the inductor, the results of simulation studies and the results of measurements obtained from a prototype.
Źródło:
Archives of Electrical Engineering; 2022, 71, 4; 1065--1080
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Active Inductor with Feedback Resistor Based Voltage Controlled Oscillator Design for Wireless Applications
Autorzy:
Faruqe, Omar
Amin, Md. Tawfiq
Powiązania:
https://bibliotekanauki.pl/articles/226124.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
VCO
active inductor
inductance
quality factor
phase noise
figure-of-merit
Opis:
This paper presents active inductor based VCO design for wireless applications based on analysis of active inductor models (Weng-Kuo Cascode active inductor & Liang Regular Cascode active inductor) with feedback resistor technique. Embedment of feedback resistor results in the increment of inductance as well as the quality factor whereas the values are 125.6@2.4GHz (Liang) and 98.7@3.4GHz (Weng- Kuo). The Weng-Kuo active inductor based VCO shows a tuning frequency of 1.765GHz ~2.430GHz (31.7%), while consuming a power of 2.60 mW and phase noise of -84.15 dBc/Hz@1MHz offset. On the other hand, Liang active inductor based VCO shows a frequency range of 1.897GHz ~2.522GHz (28.28%), while consuming a power of 1.40 mW and phase noise of -80.79 dBc/Hz@1MHz offset. Comparing Figure-of-Merit (FoM), power consumption, output power and stability in performance, designed active inductor based VCOs outperform with the state-of-the-art.
Źródło:
International Journal of Electronics and Telecommunications; 2019, 65, 1; 57-64
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verilog-A inductor compact model for the efficient simulation of Class-D VCOs
Autorzy:
Fino, M. H.
Powiązania:
https://bibliotekanauki.pl/articles/397955.pdf
Data publikacji:
2016
Wydawca:
Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:
Verilog-A
RF modeling
tapered Inductor
Class D Oscillator
modelowanie RF
cewka indukcyjna
oscylator
Opis:
This paper presents the use of a Verilog-A compact model for integrated spiral inductors, for the simulation of Class-D CMOS oscillators. The model takes into consideration the geometric parameters characterizing the inductor layout, as well as the technological parameters. The accuracy of the model is checked against simulations with ASITIC simulator and limitations of the model are established. The model is integrated into Cadence environment, offering the designer the possibility to efficiently simulate radio frequency blocks considering the non-idealities of both the inductors and the transistors in nanometric technologies. The particular case for a class-D oscillator is illustrated.
Źródło:
International Journal of Microelectronics and Computer Science; 2016, 7, 3; 114-118
2080-8755
2353-9607
Pojawia się w:
International Journal of Microelectronics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design and analysis of the ferrite air-gapped cores for a resonant inductor
Autorzy:
Zheng, J.
Wang, Ch.
Xia, D.
Powiązania:
https://bibliotekanauki.pl/articles/949922.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
three-air-gapped
electromagnetic and thermal field
finite element method
resonant inductor
Opis:
In this paper, a three-air-gapped structure of a ferrite core for a resonant inductor is proposed. The electromagnetic and thermal field models are built using a 3D finite element method. Compared with the conventional signal-air-gapped structure of a ferrite core, the simulation and analysis results show that the proposed three-air-gapped ferrite core resonant inductor can reduce eddy-current loss and decrease temperature rise. In addition, the optimal position of air-gapped is presented.
Źródło:
Archives of Electrical Engineering; 2018, 67, 3; 579--589
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel quasi-resonant ZVS boost converter with tapped inductor
Autorzy:
Dawidziuk, Jakub
Harasimczuk, Michał
Powiązania:
https://bibliotekanauki.pl/articles/2090704.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
tapped inductor
boost converter
DC/DC converter
zero voltage switching
induktor gwintowany
wzmacniacz
przetwornica DC/DC
przełączanie przy zerowym napięciu
Opis:
The purpose of this paper is to propose a model of a novel quasi-resonant boost converter with a tapped inductor. This converter combines the advantages of zero voltage quasi-resonant techniques and different conduction modes with the possibility of obtaining a high voltage conversion ratio by using a tapped inductor, which results in high converter efficiency and soft switching in the whole output power range. The paper contains an analysis of converter operation, a determination of voltage conversion ratio and the maximum voltage across power semiconductor switches as well as a discussion of control methods in discontinuous, critical, and continuous conduction modes. In order to verify the novelty of the proposed converter, a laboratory prototype of 300 W power was built. The highest efficiency η = 94.7% was measured with the output power Po = 260 W and the input voltage Vin = 50 V. The lowest efficiency of 90.7% was obtained for the input voltage Vin = 30 V and the output power Po = 75 W. The model was tested at input voltages (30–50) V, output voltage 380 V and maximum switching frequency 100 kHz.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; e136043, 1--11
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of inductor current ringing in DCM on output voltage of DC-DC buck power converters
Autorzy:
Walczak, M.
Powiązania:
https://bibliotekanauki.pl/articles/141175.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
inductor current ringing
DCM
BUCK converter
parasitic capacitance
electromagnetic compatibility in DC-DC converters
Opis:
Ringing of an inductor current occurs in a DC-DC BUCK converter working in DCM when current falls to zero. The oscillations are the source of interferences and can have a significant influence on output voltage. This paper discusses the influence of the inductor current ringing on output voltage. It is proved through examples that the oscillations can change actual value of duty a cycle in a way that makes the output voltage difficult to predict.
Źródło:
Archives of Electrical Engineering; 2017, 66, 2; 313-323
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 33

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