Direct current

Direct current

A type of electricity transmission and distribution by which electricity flows in one direction through the conductor; usually relatively low voltage and high current; typically abbreviated as dc.

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Part of Speech: noun
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Industry/Domain: Energy
Category: Energy efficiency
Company: U.S. DOE
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Related terms

direct current

Engineering; Electronic engineering

1. Abbreviation, dc. A current that always flows in the same direction (i.e., the polarity never reverses). The current might be constant, as from a battery or a regulated power ...

direct current

Physics; Electromagnetism

An electric current in which the electrons flow only in one direction and batteries use direct current.

direct current

Physics; General physics

An electrical current which always flows in one direction.

direct current

Energy; Energy efficiency

A type of electricity transmission and distribution by which electricity flows in one direction through the conductor; usually relatively low voltage and high current; typically ...

direct current

Science; General science

Electric current which flows in one direction only through a circuit or equipment. The associated direct voltages, in contrast to alternating voltages, are of unchanging polarity. ...

conduction

Energy; Energy efficiency

The movement of heat, electricity, or sound through a solid. An electric current travels from a wall socket, through a wire, and into a lamp by conduction.

energy efficiency ratio (EER)

Energy; Energy efficiency

The ratio of cooling capacity of an air conditioning unit in Btus per hour to the total electrical input in watts under specified test conditions.

Environmental Protection Agency (EPA)

Energy; Energy efficiency

A federal agency charged with protecting the environment.

Energy Policy Act

Energy; Energy efficiency

The Energy Policy Act of 1992 addresses a wide variety of energy issues. The legislation creates a new class of power generators, exempt wholesale generators (EWGs), that are ...