root-mean-square value of alternating current


root-mean-square value of alternating current
эффективное значение переменного тока

The English-Russian Dictionary Radioengineering. 2009.

Смотреть что такое "root-mean-square value of alternating current" в других словарях:

  • Root mean square — In mathematics, the root mean square (abbreviated RMS or rms), also known as the quadratic mean, is a statistical measure of the magnitude of a varying quantity. It is especially useful when variates are positive and negative, e.g., sinusoids.It… …   Wikipedia

  • root mean square — (rms)    a notation used after various measurements to indicate that the root mean square method has been used to measure or compute an average value for the measurement. Usually the quantity being measured varies in a periodic way; typical… …   Dictionary of units of measurement

  • Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge …   Wikipedia

  • effective value — noun : the value of an alternating current or voltage equal to the square root of the arithmetic mean of the squares of the instantaneous values taken throughout one complete cycle …   Useful english dictionary

  • True RMS converter — When measuring the value of an alternating current signal it is often necessary to convert the signal into a direct current signal of equivalent value (known as the RMS, root mean square, value). This process can be quite complex (see root mean… …   Wikipedia

  • ГОСТ Р 54130-2010: Качество электрической энергии. Термины и определения — Терминология ГОСТ Р 54130 2010: Качество электрической энергии. Термины и определения оригинал документа: Amplitude die schnelle VergroRerung der Spannung 87 Определения термина из разных документов: Amplitude die schnelle VergroRerung der… …   Словарь-справочник терминов нормативно-технической документации

  • AC power — This article deals with power in AC systems. See Mains electricity for information on utility supplied AC power. Usually hidden from the unaided eye, the blinking of (non incandescent) lighting powered by AC mains is revealed in this motion… …   Wikipedia

  • номинальное напряжение — Напряжение, установленное изготовителем для прибора [ГОСТ Р 52161.1 2004 (МЭК 60335 1:2001)] номинальное напряжение Uном, кВ Номинальное междуфазное напряжение электрической сети, для работы в которой предназначены коммутационные аппараты. [ГОСТ… …   Справочник технического переводчика

  • Form factor (electronics) — In electronics, the form factor of an alternating current waveform (signal) is the ratio of the RMS (Root Mean Square) value to the average value (mathematical mean of absolute values of all points on the waveform). In case of a sinusoidal wave,… …   Wikipedia

  • electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …   Universalium

  • Multimeter — A digital multimeter A multimeter or a multitester, also known as a VOM (Volt Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability …   Wikipedia


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