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Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 1 febbraio 2022

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1

Mukhopadhyay, S. C., M. Iwahara, S. Yamada e F. P. Dawson. "Studies of various topologies of passive magnetic current limiter". International Journal of Applied Electromagnetics and Mechanics 11, n. 4 (1 agosto 2000): 245–54. http://dx.doi.org/10.3233/jae-2000-204.

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2

Calman, S., F. P. Dawson, S. Yamada e M. Iwahara. "Design improvements to a three-material passive magnetic current limiter". IEEE Transactions on Magnetics 37, n. 4 (luglio 2001): 2624–26. http://dx.doi.org/10.1109/20.951255.

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3

Wilson, P. R. "Modeling the Non Linear Behavior of a Magnetic Fault Current Limiter". Advanced Electromagnetics 4, n. 3 (21 novembre 2015): 1. http://dx.doi.org/10.7716/aem.v4i3.265.

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Fault Current Limiters are used in a wide array of applications from small circuit protection at low power levels to large scale high power applications which require superconductors and complex control circuitry. One advantage of passive fault current limiters (FCL) is the automatic behavior that is dependent on the intrinsic properties of the circuit elements rather than on a complex feedback control scheme making this approach attractive for low cost applications and also where reliability is critical. This paper describes the behavioral modeling of a passive Magnetic FCL and its potential application in practical circuits.

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4

Linden, John, Yasha Nikulshin, Alex Friedman, Yosef Yeshurun e Shuki Wolfus. "Design Optimization of a Permanent-Magnet Saturated-Core Fault-Current Limiter". Energies 12, n. 10 (14 maggio 2019): 1823. http://dx.doi.org/10.3390/en12101823.

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Designs of saturated-cores fault current limiters (FCLs) usually implement conducting or superconducting DC coils serving to saturate the magnetic cores during nominal grid performance. The use of coils adds significantly to the operational cost of the system, consuming energy, and requiring maintenance. A derivative of the saturated-cores FCL is a design implementing permanent magnets as an alternative to the DC coils, eliminating practically all maintenance due to its entirely passive components. There are, however, various challenges such as the need to reach deep saturation with the currently available permanent magnets as well as the complications involved in the assembly process due to very powerful magnetic forces between the magnets and the cores. This paper presents several concepts, achieved by extensive magnetic simulations and verified experimentally, that help in maximizing the core saturation of the PMFCL (Permanent Magnet FCL), including optimization of the permanent magnet to core surface ratios and asymmetrical placement of the permanent magnets, both creating an increase in the cores’ magnetic flux at crucial points. In addition, we point to the importance of splitting the AC coils to leave the center core point exposed to best utilize their variable inductance parameters. This paper also describes the stages of design and assembly of a laboratory-scale single phase prototype model with the proposed PMFCL design recommendations, as well as an analysis of real-time results obtained while connecting this prototype to a 220 V grid during nominal and fault states.

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5

Choudhury, A. B., D. Roy e M. Iwahara. "Field Distribution and Performance Analysis of a Passive Magnetic Fault-current Limiter under Transient Conditions". Electric Power Components and Systems 37, n. 11 (14 ottobre 2009): 1195–207. http://dx.doi.org/10.1080/15325000902993514.

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6

Das, Subhamoy, Tapan Santra, Amalendu Bikash Choudhury, Debabrata Roy e Sotoshi Yamada. "Transient Modeling and Performance Analysis of a Passive Magnetic Fault Current Limiter Considering JA Hysteresis Model". Electric Power Components and Systems 47, n. 4-5 (16 marzo 2019): 396–405. http://dx.doi.org/10.1080/15325008.2019.1603253.

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7

Foong Soong, Ming, Rahizar Ramli, Ahmad Abdullah Saifizul e Mahdieh Zamzamzadeh. "Applicability of A Rotary Eddy Current Damper in Passenger Vehicle Suspension with Parallel Inerter". International Journal of Engineering & Technology 7, n. 3.17 (1 agosto 2018): 76. http://dx.doi.org/10.14419/ijet.v7i3.17.16626.

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Numerous studies have proven that the performance of vehicle suspension can be benefited by an inerter in parallel to conventional spring-damper setup, yet its usability in passenger vehicle suspension is still limited by practical consideration in physical implementation. One way of achieving better physical implementation of the parallel inerter suspension layout is to exploit the inerter’s flywheel as a metallic conductor to integrate passive damping in the form of a rotary eddy current damper. However, the feasibility of eddy current damping in this specific application remains unknown. This study investigates the applicability of eddy current damping incorporated in an inerter in terms of the achievable damping rates as required in typical passenger vehicle suspensions. In the study, passive eddy current damping due to constant magnetic field around the flywheel of a mathematically designed inerter was computed through simulation, and the range of achievable damping rates due to parametric variations, for instance air gap and magnetic coverage, was evaluated. Results of the parametric analysis showed that the induced eddy current damping from a rack-and-pinion inerter’s flywheel, considering the designed inertance as prerequisite, was at least capable of achieving 1500 Nsm-1. As the achievable damping was within the range of suitable damping rates for typical passenger vehicles, rotary eddy current damper was deemed applicable in passenger vehicle suspension employing parallel inerter.

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8

Przysowa, Radosław, e Edward Rokicki. "Inductive sensors for blade tip-timing in gas turbines". Journal of KONBiN 36, n. 1 (1 dicembre 2015): 147–64. http://dx.doi.org/10.1515/jok-2015-0064.

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Abstract The paper reviews features and applications of the upgraded inductive sensor for BTT, which is able to operate in contact with exhaust gases of temperature even as high as 1200 K. The new design includes metal-ceramic housing ensuring proper heat transfer, magnetic circuit containing set of permanent magnets with various magnetic field values and Curie temperatures, completely redesigned windings and current/voltage converter used instead of an electromotive force amplifier. Its principle of operation is based on electro-dynamical interaction and therefore it may be referred as a passive eddy-current sensor. The sensor technique has been demonstrated on four stages of a surplus military turbofan including the high pressure turbine as part of the engine health monitoring system. We present signal samples and review methods used for online processing of time-of-arrival signals when only a limited number of sensors is available.

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9

Sederberg, Shawn, Curtis J. Firby, Shawn R. Greig e Abdulhakem Y. Elezzabi. "Integrated nanoplasmonic waveguides for magnetic, nonlinear, and strong-field devices". Nanophotonics 6, n. 1 (6 gennaio 2017): 235–57. http://dx.doi.org/10.1515/nanoph-2016-0135.

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AbstractAs modern complementary-metal-oxide-semiconductor (CMOS) circuitry rapidly approaches fundamental speed and bandwidth limitations, optical platforms have become promising candidates to circumvent these limits and facilitate massive increases in computational power. To compete with high density CMOS circuitry, optical technology within the plasmonic regime is desirable, because of the sub-diffraction limited confinement of electromagnetic energy, large optical bandwidth, and ultrafast processing capabilities. As such, nanoplasmonic waveguides act as nanoscale conduits for optical signals, thereby forming the backbone of such a platform. In recent years, significant research interest has developed to uncover the fundamental physics governing phenomena occurring within nanoplasmonic waveguides, and to implement unique optical devices. In doing so, a wide variety of material properties have been exploited. CMOS-compatible materials facilitate passive plasmonic routing devices for directing the confined radiation. Magnetic materials facilitate time-reversal symmetry breaking, aiding in the development of nonreciprocal isolators or modulators. Additionally, strong confinement and enhancement of electric fields within such waveguides require the use of materials with high nonlinear coefficients to achieve increased nonlinear optical phenomenon in a nanoscale footprint. Furthermore, this enhancement and confinement of the fields facilitate the study of strong-field effects within the solid-state environment of the waveguide. Here, we review current state-of-the-art physics and applications of nanoplasmonic waveguides pertaining to passive, magnetoplasmonic, nonlinear, and strong-field devices. Such components are essential elements in integrated optical circuitry, and each fulfill specific roles in truly developing a chip-scale plasmonic computing architecture.

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10

Cha, Y. S., Zhongjin Yang, L. R. Turner e R. B. Poeppel. "Analysis of a passive superconducting fault current limiter". IEEE Transactions on Appiled Superconductivity 8, n. 1 (marzo 1998): 20–25. http://dx.doi.org/10.1109/77.662690.

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11

Mazza, Fabio, e Rodolfo Labernarda. "Magnetic damped links to reduce internal seismic pounding in base-isolated buildings". Bulletin of Earthquake Engineering 18, n. 15 (25 settembre 2020): 6795–824. http://dx.doi.org/10.1007/s10518-020-00961-6.

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AbstractA limited gap between closely spaced structural parts may induce internal pounding in seismically isolated structures, because of notable displacement at the level of the isolation system under severe earthquakes. A gap between a fixed-base elevator shaft and the surrounding building is presented here with reference to a reinforced concrete building located in the Sicilian town of Augusta. The building, comprising a basement and three storeys above the ground level, is seismically isolated at the top of rigid columns in the basement with a hybrid isolation system including elastomeric and sliding bearings, while a steel framed elevator shaft crosses the isolation level. Despite the gap, internal pounding may occur at all levels of the superstructure when the elevator with maximum load stops at the upper floors. To reduce structural pounding effects, a magnetic damped link (MDL) between adjacent corners of the elevator and the surrounding building is proposed. This is obtained as an in parallel combination of an eddy current damped link (ECDL) and an elastic helicoidal spring, and occupies less space than traditional passive dampers and transmits considerably less forces compared to a rigid link configuration. Specifically, an ECDL consists of an outer cylindrical copper tube, as conductor, and an inner tube, equipped with an array of axially magnetized and ring-shaped permanent magnets separated by iron pole pieces, as mover. The relative motion between conductor and magnets, during seismic loading, induces an eddy current producing electromagnetic damping. Given that viscoelastic linear behaviour can be hypothesized for the MDL, a simplified iterative design procedure of the ECDL is proposed, with optimization of the thickness and radius of the magnets, thereby enhancing magnetic flux and energy dissipation. The directionality of the near-fault ground motions is investigated through nonlinear seismic analysis, comparing no connection with four configurations of the interconnection: i.e., flexible and rigid elastic links, viscous and magnetic damped links.

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12

Cristache, Cristian, Efren Diez-Jimenez, Ignacio Valiente-Blanco, Juan Sanchez-Garcia-Casarrubios e Jose-Luis Perez-Diaz. "Aeronautical Magnetic Torque Limiter for Passive Protection against Overloads". Machines 4, n. 3 (7 settembre 2016): 17. http://dx.doi.org/10.3390/machines4030017.

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13

Iwahara, M., S. C. Mukhopadhyay, S. Yamada e F. P. Dawson. "Development of passive fault current limiter in parallel biasing mode". IEEE Transactions on Magnetics 35, n. 5 (1999): 3523–25. http://dx.doi.org/10.1109/20.800577.

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14

Hermann, J. A. "Simple Model for a Passive Optical Power Limiter". Optica Acta: International Journal of Optics 32, n. 5 (maggio 1985): 541–47. http://dx.doi.org/10.1080/713821756.

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15

Fabbri, M., A. Morandi, F. Negrini e P. L. Ribani. "Magnetic-Shield-Type Fault Current Limiter Equivalent Circuit". IEEE Transactions on Appiled Superconductivity 14, n. 3 (settembre 2004): 1966–73. http://dx.doi.org/10.1109/tasc.2004.830602.

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16

Mukherjee, A., S. C. Mukhopadhyay, M. Iwahara, S. Yamada e F. P. Dawson. "A numerical method for analyzing a passive fault current limiter considering hysteresis". IEEE Transactions on Magnetics 34, n. 4 (luglio 1998): 2048–50. http://dx.doi.org/10.1109/20.706789.

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17

Iwahara, M., S. Yamada e F. P. Dawson. "Core Configuration and Characteristics of a Passive Current Limiter Using a Permanent Magnet." Journal of the Magnetics Society of Japan 21, n. 5 (1997): 907–10. http://dx.doi.org/10.3379/jmsjmag.21.907.

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18

Xiang, Bin, Nuo Cheng, Kun Yang, Zhiyuan Liu, Yingsan Geng, Jianhua Wang e Satoru Yanabu. "SF6 passive resonance DC circuit breaker combined with a superconducting fault current limiter". IET Generation, Transmission & Distribution 14, n. 14 (17 luglio 2020): 2869–78. http://dx.doi.org/10.1049/iet-gtd.2019.1876.

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19

Shen, Haocong, Fei Mei, Jianyong Zheng, Haoyuan Sha e Changjia She. "Three-Phase Saturated-Core Fault Current Limiter". Energies 11, n. 12 (12 dicembre 2018): 3471. http://dx.doi.org/10.3390/en11123471.

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Abstract (sommario):

The saturated-core fault current limiter (SFCL) is widely used to limit the fault current. However, in the conventional SFCL structure, alternating current (AC) and direct current (DC) coils are wound on different loosely coupled cores. Owing to the leakage inductance, the traditional structure demonstrates relatively large demand for DC excitation power and excessive impedance during saturation. In this study, a new structure for winding closely coupled DC and AC coils on the same core in three phases is proposed to reduce the influence of leakage reactance on the SFCL performance. The leakage magnetic flux generated by both structures is analyzed by performing finite element analysis simulations and utilizing a magnetic field division method. The impedance of the limiter is measured at different DC currents and air gaps to optimize its dynamic performance. A fabricated prototype of the proposed limiter exhibits smaller steady-state losses and high current-limiting capability.

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20

Mukhopadhyay, S. C., M. Iwahara e S. Yamada. "Necessity of electromagnetic field computation for the magnetic current limiter". International Journal of Applied Electromagnetics and Mechanics 14, n. 1-4 (20 dicembre 2002): 47–50. http://dx.doi.org/10.3233/jae-2002-346.

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21

Kaiho, K., H. Yamaguchi, K. Arai, M. Umeda, M. Yamaguchi e T. Kataoka. "A current limiter with superconducting coil for magnetic field shielding". Physica C: Superconductivity 354, n. 1-4 (maggio 2001): 115–19. http://dx.doi.org/10.1016/s0921-4534(01)00061-2.

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22

Mukhopadhyay, S. C., F. P. Dawson, M. Iwahara e S. Yamada. "A novel compact magnetic current limiter for three phase applications". IEEE Transactions on Magnetics 36, n. 5 (2000): 3568–70. http://dx.doi.org/10.1109/20.908900.

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23

Abeygunawardane, S. K., J. R. S. Sisira Kumara, J. B. Ekanayake e A. Arulampalam. "A magnetic-core based fault current limiter for utility applications". Journal of the National Science Foundation of Sri Lanka 39, n. 3 (27 settembre 2011): 227. http://dx.doi.org/10.4038/jnsfsr.v39i3.3626.

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24

Fajoni, F., E. Ruppert, C. A. Baldan e C. Y. Shigue. "Study of Superconducting Fault Current Limiter Using Saturated Magnetic Core". Journal of Superconductivity and Novel Magnetism 28, n. 2 (21 novembre 2014): 685–90. http://dx.doi.org/10.1007/s10948-014-2871-y.

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25

Kajikawa, Kazuhiro, Katsuyuki Kaiho, Noriharu Tamada e Toshitada Onishi. "Magnetic-shield type superconducting fault current limiter with highTc superconductors". Electrical Engineering in Japan 115, n. 6 (ottobre 1995): 104–11. http://dx.doi.org/10.1002/eej.4391150611.

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26

Belmont, O., P. Tixador, J. G. Noudem, P. Ferracci, L. Porcar, D. Bourgault, J. M. Barbut e R. Tournier. "Fault current limiter using bulk oxides superconductors". European Physical Journal Applied Physics 2, n. 2 (maggio 1998): 139–43. http://dx.doi.org/10.1051/epjap:1998176.

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27

Huaren Wu, Xiaohui Li, Min Zhang, D. Stade e H. Schau. "Analysis of a Liquid Metal Current Limiter". IEEE Transactions on Components and Packaging Technologies 32, n. 3 (settembre 2009): 572–77. http://dx.doi.org/10.1109/tcapt.2009.2024157.

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28

Iwahara, Masayoshi, Subhas C. Mukhopadhyay, Sotoshi Yamada e Francis P. Dawson. "Flux distribution of passive fault current limiter based on saturable core and permanent magnet". COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 17, n. 2 (1998): 232–38. http://dx.doi.org/10.1108/03321649810208247.

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29

Wang, Zhigao, Shuhong Wang, Jie Qiu, Weizhi Gong e Jingyin Zhang. "Induced voltage analysis of superconducting fault current limiter". COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 33, n. 1/2 (20 dicembre 2013): 38–46. http://dx.doi.org/10.1108/compel-11-2012-0342.

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Abstract (sommario):

Purpose – Saturated core type superconducting fault current limiter (SFCL) can effectively limit the short-circuit current in power system. However, the high induced voltage will occur between the terminals of DC superconducting bias winding caused by the variation of magnetic flux linked by DC winding due to the increasing short-circuit current. The DC source may be damaged. Thus, the induced voltage should be considered in DC winding design. The paper aims to discuss these issues. Design/methodology/approach – Three-dimensional finite element method coupled with electric circuit. Findings – The short-circuit current flowing through AC windings and induced voltage of DC winding are analyzed by using three-dimensional finite element method coupled with electric circuit for a 220-kV three-phase SFCL. Several circuit elements, such as a capacitor connected with DC winding in parallel, an additional short-circuit winding wound around DC core column and an energy-released piezoresistor, are, respectively, used for induced voltage reduction. These methods aim to save magnetic coupled energy in DC winding, or oppose the variation of magnetic flux, or limit the voltage of DC winding by using a resistor with low resistance. Originality/value – The different methods for reduction of induced voltage of superconducting DC winding are studied and discussed. The decreased induced voltage may benefit the safety of superconducting DC winding and the source.

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30

Kado, H., e M. Ickikawa. "Performance of a high-Tc superconducting fault current limiter-design of a 6.6 kV magnetic shielding type superconducting fault current limiter". IEEE Transactions on Appiled Superconductivity 7, n. 2 (giugno 1997): 993–96. http://dx.doi.org/10.1109/77.614672.

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31

Yang, Kun, Yi Yang, Muhammad Junaid, Siyuan Liu, Zhiyuan Liu, Yingsan Geng e Jianhua Wang. "Direct-Current Vacuum Circuit Breaker With Superconducting Fault-Current Limiter". IEEE Transactions on Applied Superconductivity 28, n. 1 (gennaio 2018): 1–8. http://dx.doi.org/10.1109/tasc.2017.2767500.

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32

Yamaguchi, H., K. Yoshikawa, M. Nakamura, T. Kataoka e K. Kaiho. "Current Limiting Characteristics of Transformer Type Superconducting Fault Current Limiter". IEEE Transactions on Appiled Superconductivity 15, n. 2 (giugno 2005): 2106–9. http://dx.doi.org/10.1109/tasc.2005.849463.

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33

Kang, Ji-Seong, e Young-Hyun Moon. "Solid-State Fault Current Limiter based on Magnetic Turn off Principle". Journal of International Council on Electrical Engineering 4, n. 2 (aprile 2014): 95–101. http://dx.doi.org/10.5370/jicee.2014.4.2.095.

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34

Kajikawa, Kazuhiro, Katsuyuki Kaiho, Noriharu Tamada e Toshitada Onishi. "Magnetic-shield type Superconducting Fault Current Limiter with High Tc Superconductors." IEEJ Transactions on Industry Applications 114, n. 10 (1994): 1026–31. http://dx.doi.org/10.1541/ieejias.114.1026.

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35

Jin, J. X., S. X. Dou, C. Cook, C. Grantham, M. Apperley e T. Beales. "Magnetic saturable reactor type HTS fault current limiter for electrical application". Physica C: Superconductivity 341-348 (novembre 2000): 2629–30. http://dx.doi.org/10.1016/s0921-4534(00)01402-7.

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36

Qu, Lu, Rong Zeng, Zhanqing Yu e Ge Li. "Design and test of a magnetic saturation-type fault current limiter". Journal of Engineering 2019, n. 16 (1 marzo 2019): 2974–79. http://dx.doi.org/10.1049/joe.2018.8409.

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Ishihara, N., S. C. Mukhopadhyay, M. Iwahara e S. Yamada. "Dependency of the Core Characterization on a Passive Fault Current Limiter Using a Permanent Magnet". Journal of the Magnetics Society of Japan 22, n. 4_2 (1998): 725–28. http://dx.doi.org/10.3379/jmsjmag.22.725.

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38

Bouty, Olivier. "Eddy current losses in passive magnetic bearings". Journal of Applied Physics 92, n. 11 (dicembre 2002): 6851–56. http://dx.doi.org/10.1063/1.1516874.

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Arsénio, Pedro, Nuno Vilhena, João Murta-Pina, Anabela Pronto e Alfredo Álvarez. "Design Aspects and Test of an Inductive Fault Current Limiter". Electrical, Control and Communication Engineering 5, n. 1 (1 maggio 2014): 40–45. http://dx.doi.org/10.2478/ecce-2014-0006.

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Abstract (sommario):

Abstract Magnetic shielding inductive fault current limiters with high temperature superconducting tapes are considered as emerging devices that provide technology for the advent of modern power grids. The development of such limiters requires magnetic iron cores and leads to several design challenges regarding the constitutive parts of the limiter, namely the primary and secondary windings. Preliminary tests in a laboratory scale prototype have been carried out considering an assembly designed for simplicity in which the optimization of the magnetic coupling between the primary and secondary was not the main focus. This work addresses the design configuration of an inductive current limiter prototype regarding the assembly of the primary and secondary windings in the core. The prototype is based on a closed magnetic core wound by a primary, built from a normal electric conductor, and a short-circuited secondary, built from first generation superconducting tape. Four different design configurations are considered. Through experimental tests, the performance of such prototype is discussed and compared, in terms of normal and fault operation regimes. The results show that all the configurations assure effective magnetic shielding at normal operation regime, however, at fault operation regime, there are differences among configurations.

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40

Arai, K., H. Tanaka, M. Inaba, H. Arai, T. Ishigohka, M. Furuse e M. Umeda. "Test of Resonance-Type Superconducting Fault Current Limiter". IEEE Transactions on Applied Superconductivity 16, n. 2 (giugno 2006): 650–53. http://dx.doi.org/10.1109/tasc.2006.870523.

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41

Cai, Y., S. Okuda, T. Odake, T. Yagai, M. Tsuda e T. Hamajima. "Study on Three-Phase Superconducting Fault Current Limiter". IEEE Transactions on Applied Superconductivity 20, n. 3 (giugno 2010): 1127–30. http://dx.doi.org/10.1109/tasc.2009.2039778.

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42

Aljabrine, Abdulwahab, Hangtian Lei, Herbert Hess, Brian K. Johnson e Jianzhao Geng. "Superconducting Fault Current Limiter Application for Induction Motor Starting Current Reduction". IEEE Transactions on Applied Superconductivity 29, n. 5 (agosto 2019): 1–4. http://dx.doi.org/10.1109/tasc.2019.2898475.

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43

Hatta, H., T. Nitta, S. Muroya, T. Oide, Y. Shirai, M. Taguchi e Y. Miyato. "Study on recovery current of transformer type superconducting fault current limiter". IEEE Transactions on Appiled Superconductivity 13, n. 2 (giugno 2003): 2096–99. http://dx.doi.org/10.1109/tasc.2003.812990.

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Onishi, T., e A. Nii. "Investigations on current limiting performances in magnetic shield type high Tc superconducting fault current limiter". Cryogenics 37, n. 4 (aprile 1997): 181–85. http://dx.doi.org/10.1016/s0011-2275(97)00008-8.

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45

Pan, Yan-xia, e Jian-guo Jiang. "Bias current influence on the characteristic of the magnetic-controlled switcher type fault current limiter". Journal of Shanghai Jiaotong University (Science) 14, n. 3 (giugno 2009): 359–64. http://dx.doi.org/10.1007/s12204-009-0359-x.

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46

Passos, C. A. C., M. S. Bolzan, M. T. D. Orlando, I. M. Capucho, V. T. Abilio, L. C. Machado e J. L. Passamai. "Performance of a Polycrystalline SmBaCuO Superconducting Fault Current Limiter". Journal of Superconductivity and Novel Magnetism 28, n. 10 (16 giugno 2015): 2945–52. http://dx.doi.org/10.1007/s10948-015-3141-3.

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47

Young, S., F. P. Dawson, M. Iwahara e S. Yamada. "A comparison between a two-material and three-material magnetic current limiter". Journal of Applied Physics 83, n. 11 (giugno 1998): 7103–5. http://dx.doi.org/10.1063/1.367532.

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48

Viana, R. L., e I. L. Caldas. "Peripheral Stochasticity in Tokamaks.The Martin-Taylor Revisited". Zeitschrift für Naturforschung A 47, n. 9 (1 settembre 1992): 941–44. http://dx.doi.org/10.1515/zna-1992-0903.

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Abstract (sommario):

Abstract We analyse the effect of an Ergodic Magnetic Limiter on the magnetic field line dynamics in the edge of a large aspect-ratio Tokamak. We model the limiter action as an impulsive perturbation and use a peaked-current model for the Tokamak equilibrium field. The theoretical analysis is made through the use of invariant flux functions describing magnetic surfaces. Results are compared with a numerical mapping of the field lines

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49

Zhong, Yongheng, Yaoheng Xie, Yun Liu, Huisheng Ye, Jiaxin Yuan, Hang Zhou e Liangliang Wei. "A Novel Multi-Function Saturated-Core Fault Current Limiter". IEEE Transactions on Magnetics 55, n. 6 (giugno 2019): 1–5. http://dx.doi.org/10.1109/tmag.2019.2905356.

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50

Adamopoulos, N., e S. K. Patapis. "Fault current limiter model device: Characterisation and simulation". Physica C: Superconductivity 341-348 (novembre 2000): 2631–32. http://dx.doi.org/10.1016/s0921-4534(00)01403-9.

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