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...versa. The majority of phase converters are used to produce [[three-phase electric power]] from a single-phase source, thus allowing the operation of three-ph ...longevity of the system. While there are multiple phase conversion systems in place, the most common types are: ...

{{Short description|Railway line in Norway}} ...r an extension all the way to Oslo Central Station. Most of the railway is in tunnel and is dimensioned for {{convert|160|km/h|mph|abbr=on}} running. The ...

...to produce [[three-phase electric power]] locally to run three-phase loads in premises where only single-phase is available. ...L1 and L2 will generate an electric potential (voltage) across terminal L3 in respect with L1 and L2. However, L1 to L3 and L2 to L3 will be 120 degrees ...

...Mechanical work|work]]. Overall fuel efficiency may vary per device, which in turn may vary per application, and this spectrum of variance is often illus ...rable. Traditionally, litres per [[Scandinavian mile|mil]] were used in [[Norway]] and [[Sweden]], but both have aligned to the EU standard of L/100 km ...

{{short description|Frequency used on standard electricity grid in a given area}} ...]] it is typically 60 Hz. Current usage by country or region is given in the list of [[mains electricity by country]]. ...

{{other uses|Electric transmission (disambiguation)}} {{redirect|Power lines|power lines in general|Overhead power line}} ...

{{short description|Electric current that periodically reverses direction}} ...mply ''alternating'' and ''direct'', respectively, as when they modify ''[[Electric current|current]]'' or ''[[voltage]]''.<ref>{{cite book ...

[[:Renewable energy in Scotland]] • [[:Slate industry in Wales]] • ...