power efficiency

См. также в других словарях:

• power efficiency — galios efektyvumas statusas T sritis radioelektronika atitikmenys: angl. power efficiency vok. Leistungseffektivität, f; Leistungseffizienz, f rus. отдача по мощности, f; эффективность мощности, f pranc. rendement en puissance, m …   Radioelektronikos terminų žodynas

• Power added efficiency — (PAE) is a percentage that rates the efficiency of a power amplifier.:PAE = 100*{ [POUT] RF – [PIN] RF} / [PDC] TOTALHowever, in literature, most power efficiency descriptions refer to a percentage calculated as:η = 100* [POUT] RF / [PIN] DCThis… …   Wikipedia

• 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 supply unit (computer) — Power supply unit with top cover removed A power supply unit (PSU) supplies direct current (DC) power to the other components in a computer. It converts general purpose alternating current (AC) electric power from the mains (110 V to… …   Wikipedia

• Efficiency — as a technical term may refer to: * Algorithmic efficiency, optimizing the speed and memory requirements of a computer program * Efficient energy use, useful work per quantity of energy ** Energy conversion efficiency, desired energy output per… …   Wikipedia

• Power scaling — of a laser is increasing its output power without changing the geometry, shape, or principle of operation. Power scalability is considered an important advantage in a laser design.Usually, power scaling requires a more powerful pump source,… …   Wikipedia

• Power engineering — Power engineering, also called power systems engineering, is a subfield of electrical engineering that deals with the generation, transmission and distribution of electric power as well as the electrical devices connected to such systems… …   Wikipedia

• Power control — Power control, broadly speaking, is the intelligent selection of transmit power in a communication system to achieve good performance within the system. The notion of good performance can depend on context and may include optimizing metrics such… …   Wikipedia

• Power steering — helps drivers steer vehicles by augmenting steering effort of the steering wheel. It does this by adding controlled energy to the steering mechanism, so the driver needs to provide only modest effort regardless of conditions. In particular, power …   Wikipedia

• power — is the concept which is at the heart of the subject of social stratification . It is therefore not surprising that we have seen so many disputes concerning its meaning (including disputes about what particular sociologists meant when they used… …   Dictionary of sociology

• power — n 1 Power, force, energy, strength, might, puissance mean the ability to exert effort for a purpose. Power is the most general of these terms and denotes an ability to act or be acted upon, to effect something, or to affect or be affected by… …   New Dictionary of Synonyms