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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Magnetic complex reluctance ： ウィキペディア英語版 Magnetic complex reluctance Magnetic complex reluctance (SI Unit: H−1) is a measurement of a passive magnetic circuit (or element within that circuit) dependent on sinusoidal magnetomotive force (SI Unit: At·Wb−1) and sinusoidal magnetic flux (SI Unit: T·m2), and this is determined by deriving the ratio of their complex ''effective'' amplitudes.(1-3 ) : $Z\_\backslash mu\; =\; \backslash frac\; =\; \backslash frac\; =\; z\_\backslash mu\; e^$ As seen above, magnetic complex reluctance is a phasor represented as ''uppercase Z mu'' where: : $\backslash dot\; N$ and $\backslash dot\; \_m$ represent the magnetomotive force (complex effective amplitude) : $\backslash dot\; \backslash Phi$ and $\backslash dot\; \_m$ represent the magnetic flux (complex effective amplitude) : $z\_\backslash mu$, ''lowercase z mu'', is the real part of magnetic complex reluctance The "lossless" magnetic reluctance, ''lowercase z mu'', is equal to the absolute value (modulus) of the magnetic complex reluctance. The argument distinguishing the "lossy" magnetic complex reluctance from the "lossless" magnetic reluctance is equal to the natural number $e$ raised to a power equal to: : $j\backslash phi\; =\; j\backslash left(\backslash beta\; -\; \backslash alpha\backslash right)$ Where: *$j$ is the imaginary number *$\backslash beta$ is the phase of the magnetomotive force *$\backslash alpha$ is the phase of the magnetic flux *$\backslash phi$ is the phase difference The "lossy" magnetic complex reluctance represents a magnetic circuit element's resistance to not only magnetic flux but also to ''changes'' in magnetic flux. When applied to harmonic regimes, this formality is similar to Ohm's Law in ideal AC circuits. In magnetic circuits, magnetic complex reluctance is equal to: :$Z\_\backslash mu\; =\; \backslash frac\backslash frac$ Where: *$l$ is the length of the circuit element *$S$ is the cross-section of the circuit element *$\backslash dot\; \backslash mu\_0$ is the complex magnetic permeability == References == *Bull B. K. ''The Principles of Theory and Calculation of the Magnetic Circuits''. – M.-L.: Energy, 1964, 464 p. (In Russian). *Arkadiew W. Eine ''Theorie des elektromagnetischen Feldes in den ferromagnetischen Metallen''. – Phys. Zs., H. 14, No 19, 1913, S. 928-934. *Küpfmüller K. ''Einführung in die theoretische Elektrotechnik'', Springer-Verlag, 1959. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Magnetic complex reluctance」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.