power-factor measurement

power-factor measurement
Техника: измерение коэффициента мощности

Универсальный англо-русский словарь. . 2011.

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  • Power factor — For other uses, see Power factor (pistol). The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit,[1][2] and is a dimensionless number between 0 and 1… …   Wikipedia

  • Power dividers and directional couplers — A 10 dB 1.7–2.2 GHz directional coupler. From left to right: input, coupled, isolated (terminated with a load), and transmitted port …   Wikipedia

  • Power law — A power law is any polynomial relationship that exhibits the property of scale invariance. The most common power laws relate two variables and have the form:f(x) = ax^k! +o(x^k),where a and k are constants, and o(x^k) is of x. Here, k is… …   Wikipedia

  • energy factor — (EF)    a measure of the energy efficiency of an appliance. In the U.S., the Department of Energy has defined energy factors for a variety of appliances. For dishwashers, the energy factor is the number of cycles per kilowatt hour of power input …   Dictionary of units of measurement

  • Power Cap — Prinzipdarstellung eines Kondensators mit Dielektrikum Ein Kondensator („Verdichter“, von lat.: condensus: „dichtgedrängt“, bezogen auf die elektrischen Ladungen) ist ein passives elektrisches Bauelement mit der Fähigkeit, elektrische Ladung und… …   Deutsch Wikipedia

  • Loudspeaker measurement — is one of the most difficult aspects of audio quality measurementFact|date=March 2008, and also probably the most relevant, since loudspeakers have long been generally acknowledged to be the weak link in the audio chainFact|date=March 2008.… …   Wikipedia

  • Units of measurement — Weights and measures redirects here. For other uses, see Weights and measures (disambiguation). The former Weights and Measures office in Seven Sisters, London A unit of measurement is a definite magnitude of a physical quantity, defined and… …   Wikipedia

  • Purchasing power parity — GDP per capita adjusted for Purchasing Power Parity (PPP) in the world, 2009 …   Wikipedia

  • General intelligence factor — The general intelligence factor (abbreviated g ) is a controversial construct used in the field of psychology ( see also psychometrics ) to quantify what is common to the scores of all intelligence tests. Charles Spearman, early psychometrician,… …   Wikipedia

  • Crest factor — The crest factor or peak to average ratio (PAR) or peak to average power ratio (PAPR) is a measurement of a waveform, calculated from the peak amplitude of the waveform divided by the RMS value of the waveform. It is therefore a dimensionless… …   Wikipedia

  • radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium


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