Glossary terms subset beginning with V

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A unit for measuring the force used to produce an electric current; the push or force that moves electric current through a conductor. 1 Kilovolt = 1000 volts.
voltage support
Voltage is the electromotive force (pressure) that transfers power along transmission lines.  In long transmission lines, this force may reduce too much by the time it reaches its destination, increasing the risk of voltage collapse.  Equipment like capacitors, static var compensators and synchronous condensers are installed to provide reactive support by "propping up" the voltage to within an acceptable range.