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direct commutation

См. также в других словарях:

  • Commutation theorem — In mathematics, a commutation theorem explicitly identifies the commutant of a specific von Neumann algebra acting on a Hilbert space in the presence of a trace. The first such result was proved by F.J. Murray and John von Neumann in the 1930s… …   Wikipedia

  • Commutation cell — The commutation cell is the basic structure in power electronics. It is composed of an electronic switch (today a high power semiconductor, not a mechanical switch) and a diode. It was traditionally referred to as a chopper, but since switching… …   Wikipedia

  • commutation — /kɒmjuˈteɪʃən / (say komyooh tayshuhn) noun 1. the act of substituting one thing for another; substitution; exchange. 2. the substitution of one kind of payment for another. 3. US regular travel between home (usually distant) and work, generally… …  

  • Produit direct (groupes) — En mathématiques, et plus particulièrement en théorie des groupes, le produit direct d une famille de groupes est une structure de groupe qui se définit naturellement sur le produit cartésien des ensembles sous jacents à ces groupes. Sommaire 1… …   Wikipédia en Français

  • Alternateur à commutation de flux — Alternateur avec un rotor à six pôles. Un alternateur à commutation de flux est une forme d alternateur électrique au haut débit destinée à entraînement direct par une turbine. Ce type d alternateur est de conception simple, robuste et capable d… …   Wikipédia en Français

  • прямая коммутация — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN direct commutation …   Справочник технического переводчика

  • Commutator (electric) — This article is about the electrical component. For mathematical concept, see Commutator . A tiny 5 segment commutator less than 2 mm in diameter, on a direct current motor in a toy radio control ZipZaps car. A commutator is a rotary electri …   Wikipedia

  • Inverter (electrical) — An inverter is an electrical device that converts direct current (DC) to alternating current (AC)[1]; the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits. Solid… …   Wikipedia

  • Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …   Wikipedia

  • Brushless DC electric motor — A microprocessor controlled BLDC motor powering a micro remote controlled airplane. This external rotor motor weighs 5 grams, consumes approximately 11 watts (15 millihorsepower) and produces thrust of more than twice the weight of the plane …   Wikipedia

  • Stone–von Neumann theorem — In mathematics and in theoretical physics, the Stone–von Neumann theorem is any one of a number of different formulations of the uniqueness of the canonical commutation relations between position and momentum operators. The name is for Marshall… …   Wikipedia

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