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
System of Leibniz — The System of Leibniz † Catholic Encyclopedia ► The System of Leibniz I. LIFE OF LEIBNIZ Gottfried Wilhelm von Leibniz was born at Leipzig on 21 June (1 July), 1646. In 1661 he entered the University of Leipzig as a student of… … Catholic encyclopedia
power — [pou′ər] n. [ME pouer < OFr poeir, earlier poter, orig. inf. < VL * potere, to be able, for L posse, to be able: see POTENT] 1. ability to do, act, or produce 2. a specific ability or faculty [the power of hearing] 3. great ability to do,… … English World dictionary
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 of two — In mathematics, a power of two is any of the integer powers of the number two; [cite book |title=Schaum s Outline of Theory and Problems of Essential Computer Mathematics |first=Seymour |last=Lipschutz |year=1982 |id=ISBN 0070379904 |pages=3] in… … Wikipedia
power (x) — 1. a unit expressing the magnifying power of an optical system. The power is defined to be the angular diameter of the image formed by the system divided by the angular diameter of the original object being observed. In simple telescopes this… … Dictionary of units of measurement
power — /pow euhr/, n. 1. ability to do or act; capability of doing or accomplishing something. 2. political or national strength: the balance of power in Europe. 3. great or marked ability to do or act; strength; might; force. 4. the possession of… … Universalium
Per-unit system — In electrical engineering in the field of power transmission a per unit system is the expression of system quantities as fractions of a defined base unit quantity. Calculations are simplified because quantities expressed as per unit are the same… … Wikipedia
Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… … Wikipedia
Intermittent power source — [ Erie Shores Wind Farm monthly output over a two year period] An intermittent power source is a source of electric power generation that may be uncontrollably variable or more intermittent than conventional power sources, and therefore non… … Wikipedia
Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria … Wikipedia