Electricity

Electricity

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

Industry: Utilities

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Electricity

eddy current

Electrical equipment; Electricity

The current that is generated in a transformer core due to the induced voltage in each lamination. It is proportional to the square of the lamination thickness and to the square of the frequency.

Electrical Equipment Representatives Association (EERA)

Electrical equipment; Electricity

EERA is an association of electrical manufacturers representatives. Additional information on EERA can be found at www.eera.org. Young & Company is a member of EERA.

effective internal resistance (battery)

Electrical equipment; Electricity

The apparent opposition to current within a battery that manifests itself as a drop in battery voltage proportional to discharge current. Its value is dependent on battery design, state-of-charge, ...

effective range

Electrical equipment; Electricity

The range of values of the characteristic quantity or quantities. For example the energizing quantities to which the relay will respond and satisfy the requirements to precision.

effective setting

Electrical equipment; Electricity

The setting of a protection system including the effects of current transformers, this effective setting can be expressed in terms of primary current or secondary current from the current ...

effectively grounded

Electrical equipment; Electricity

Intentionally connected conductors or electric equipment to earth, where the connection and conductors are of sufficiently low impedance to allow the conducting of an intended current.