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Commonly used terms in the Electrical industry.
line-current harmonic
See
electromagnetic interference filter
line-to-line voltage
a voltage measurement of a three phase line made between any two conductors.
lineman
utility employee working on primary facilities, distribution class equipment, as opposed to customer service level facilities.
load line
with a slope, also known as the permeance coefficient, determined solely by the geometry of the magnetic circuit, this line intersects with the normal demagnetization curve to indicate a magnet's operating point.
one-line diagram
an abbreviated schematic representation of a power system in which three-phase transmission lines are shown as single lines between principal circuit components and from which circuit parameters are often omitted.
pole line
any power line which is carried overhead on utility poles.
single line to ground fault
a fault on a three phase power line in which one conductor has become connected to ground.
transmission line
(1) an arrangement of two or more conductors used to convey electromagnetic energy from one point to another.
(2) conductive connections that guide signal power between circuit elements.
transmission line coupler
passive coupler composed of two or more transmissions spaced closely together where the proximity of the transmission lines allows signals to be coupled or transferred in part from one line to the other. The electrical length of the transmission lines is usually one quarter of a wavelength.
transmission line filter
a microwave device that is made up of sections of transmission lines so as to act as a filter in the microwave frequency range.
unbalanced line
refers to a signal carrying line where one of the conductors is connected to ground. Contrast with balanced line.