Electricity

Electricity

A database referring to the existence of a flow of electric charge.

Industry: Utilities

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Electricity

Frequency

Electrical equipment; Electricity

In ac systems, the rate at which the current changes direction, expressed in hertz (cycles per second); A measure of the number of complete cycles of a wave-form per unit of time.

Frequency transducer

Electrical equipment; Electricity

A transducer used for the measurement of the frequency of an A.C. electrical quantity.

Fulgurate

Electrical equipment; Electricity

A glass-like structure that forms around the element of a current limiting fuse when it operates. It is causes when the heat of the arc melts the silica sand surrounding it.

Full duplex communications

Electrical equipment; Electricity

A communications system in which data can travel simultaneously in both directions.

Full scale

Electrical equipment; Electricity

The specified maximum magnitude of the input quantity being measured that can be applied to a transducer without causing a change in performance beyond specified tolerance

Full scale output

Electrical equipment; Electricity

The specified maximum output value for which the stated accuracy condition applies

Fuse

Electrical equipment; Electricity

A device installed in the conductive path with a predetermined melting point coordinated to load current. Fuses are used to protect equipment from over current conditions and damage.