20 Terms
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Electricity
A database referring to the existence of a flow of electric charge.
Industry: Utilities
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Electricity
pothead
Electrical equipment; Electricity
Slang for a device used to transition an overhead conductor to underground. Potheads are normally porcelain and have been largely replaced with non-ceramic, synthetic rubber, terminators of the type ...
point-on-wave (POW)
Electrical equipment; Electricity
Point-on-Wave. Point-on-wave switching is the process to control moment of switching to minimize the effects (inrush currents, over-voltages).
power
Electrical equipment; Electricity
Rate at which energy is released or consumed, expressed in watts.
power electronics device
Electrical equipment; Electricity
An electronic device (e.g. thyristor or IGBT) or assembly of such devices (e.g. inverter). Typically used in a power transmission system to provide smooth control of output of an item of plant.
power factor
Electrical equipment; Electricity
The ratio of energy consumed (watts) versus the product of input voltage (volts) times input current (amps). In other words, power factor is the percentage of energy used compared to the energy ...
power line carrier communication
Electrical equipment; Electricity
A mean of transmitting information over a power transmission line by using a carrier frequency superimposed on the normal power frequency.
power marketer
Electrical equipment; Electricity
An entity that takes title to electric power and then resells the power to end-use customers. This "middleman," which acts for itself in negotiating contracts, purchases, or sales of electrical ...
