load change
61Power 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… …
62Tap (transformer) — This article is about tappings in transformers. For other uses, see Tap. A transformer tap is a connection point along a transformer winding that allows a certain number of turns to be selected. This means, a transformer with a variable turns… …
63pregnancy — /preg neuhn see/, n., pl. pregnancies. the state, condition, or quality of being pregnant. [1520 30; PREGN(ANT) + ANCY] * * * Process of human gestation that takes place in the female s body as a fetus develops, from fertilization to birth (see… …
64steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
65physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
66Tire uniformity — refers to the dynamic mechanical properties of pneumatic tires as strictly defined by a set of measurement standards and test conditions accepted by global tire and car makers. These measurement standards include the parameters of radial force… …
67Liste der Schaltzeichen (Elektrik/Elektronik) — In diesem Artikel oder Abschnitt fehlen folgende wichtige Informationen: Es fehlen u. a. Schaltzeichen und graphischen Symbole für Akkumulatoren und Primärzellen Koppelstufen Wählerelemente Fernsprecher Sende und Empfangseinrichtunge …
68Smart grid — Public infrastructure …
69Outline of energy — See also: Index of energy articles In physics, energy (from the Greek ἐνέργεια – energeia, activity, operation , from ἐνεργός – energos, active, working [1]) is a scalar physical quantity that describes the amount of work that can be performed by …
70Wind power — Wind power: worldwide installed capacity [1] …
