1.

図書

図書
Giorgio Bertotti
出版情報: San Diego : Academic Press, c1998
シリーズ名: Electromagnetism / Isaak Mayergoyz, series editor
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2.

図書

図書
Augusto Visintin
出版情報: Berlin ; Heidelberg ; New York : Springer-Verlag, c1994
シリーズ名: Applied mathematical sciences ; v. 111
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3.

図書

図書
M. Brokate ... [et al.] ; editor, A. Visintin
出版情報: Berlin ; Tokyo : Springer-Verlag, c1994
シリーズ名: Lecture notes in mathematics ; 1584 . Fondazione C.I.M.E.
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4.

論文

論文
Sarkar, Debraj ; Roy, Debabrata ; Choudhury, Amalendu Bikash ; Yamada, Sotoshi
出版情報: Compel - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering.  36  pp.258-270,  2017-03-01.  Emerald Group Publishing Ltd.
URL: http://hdl.handle.net/2297/47070
概要: Purpose - A saturated iron core superconducting fault current limiter (SISFCL) has an important role to play in the pres ent-day power system, providing effective protection against electrical faults and thus ensuring an uninterrupted supply of electricity to the consumers. Previous mathematical models developed to describe the SISFCL use a simple flux density-magnetic field intensity curve representing the ferromagnetic core. As the magnetic state of the core affects the efficient working of the device, this paper aims to present a novel approach in the mathematical modeling of the device with the inclusion of hysteresis. Design/methodology/approach - The Jiles-Atherton's hysteresis model is utilized to develop the mathematical model of the limiter. The model is numerically solved using MATLAB. To support the validity of model, finite element model (FEM) with similar specifications was simulated. Findings - Response of the limiter based on the developed mathematical model is in close agreement with the FEM simulations. To illustrate the effect of the hysteresis, the responses are compared by using three different hysteresis characteristics. Harmonic analysis is performed and comparison is carried out utilizing fast Fourier transform and continuous wavelet transform. It is observed that the core with narrower hysteresis characteristic not only produces a better current suppression but also creates a higher voltage drop across the DC source. It also injects more harmonics in the system under fault condition. Originality/value - Inclusion of hysteresis in the mathematical model presents a more realistic approach in the transient analysis of the device. The paper provides an essential insight into the effect of the core hysteresis characteristic on the device performance. © 2016 Emerald Publishing Limited.<br />Embargo Period 12 months 続きを見る