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Direct current

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Direct current (DC) is the unidirectional flow of electric charge. [1]

68 relations: Alessandro Volta, Alternating current, Alternator, Aluminium, André-Marie Ampère, Arc lamp, Archaism, Bias tee, Capacitor, Cathode ray, Commutator (electric), Current source, DC bias, DC connector, DC-to-DC converter, Differential equation, Digital subscriber line access multiplexer, Diode bridge, Dynamo, Electric battery, Electric charge, Electric current, Electric power, Electrical conductor, Electrical connector, Electrical network, Electrochemistry, Electrolysis, Electronics, Extra-low voltage, Fuel cell, Ground (electricity), High-voltage direct current, Hippolyte Pixii, Inductor, Insulator (electricity), Light fixture, Lippincott Williams & Wilkins, Low voltage, McGraw-Hill Education, Neutral direct-current telegraph system, NorNed, Power inverter, Power station, Power supply, Public utility, Rectifier, Resistor, Semiconductor, Solar power, ..., Stationary process, Steady state (electronics), Switch, Telephone, Telephone exchange, Third rail, Thomas Edison, Transformer, Transient state, Twisted pair, Vacuum, Volkswagen Beetle, Volt, Voltage, Voltage regulator, Voltage source, Voltaic pile, Watt. Expand index (18 more) »

Alessandro Volta

Alessandro Giuseppe Antonio Anastasio Volta (18 February 1745 – 5 March 1827) was an Italian physicist, chemist, and a pioneer of electricity and power,Giuliano Pancaldi, "Volta: Science and culture in the age of enlightenment", Princeton University Press, 2003.

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Alternating current

Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.

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Alternator

An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current.

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Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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André-Marie Ampère

André-Marie Ampère (20 January 177510 June 1836) was a French physicist and mathematician who was one of the founders of the science of classical electromagnetism, which he referred to as "electrodynamics".

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Arc lamp

An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc).

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Archaism

In language, an archaism (from the ἀρχαϊκός, archaïkós, 'old-fashioned, antiquated', ultimately ἀρχαῖος, archaîos, 'from the beginning, ancient') is the use of a form of speech or writing that is no longer current or that is current only within a few special contexts.

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Bias tee

A bias tee is a three-port network used for setting the DC bias point of some electronic components without disturbing other components.

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Capacitor

A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.

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Cathode ray

Cathode rays (also called an electron beam or e-beam) are streams of electrons observed in vacuum tubes.

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Commutator (electric)

A commutator is a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit.

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Current source

A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.

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DC bias

When describing a periodic function in the time domain, the DC bias, DC component, DC offset, or DC coefficient is the mean amplitude of the waveform.

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DC connector

A DC connector (or DC plug, for one common type of connector) is an electrical connector for supplying direct current (DC) power.

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DC-to-DC converter

A DC-to-DC converter is an electronic circuit or electromechanical device that converts a source of direct current (DC) from one voltage level to another.

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Differential equation

A differential equation is a mathematical equation that relates some function with its derivatives.

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Digital subscriber line access multiplexer

A digital subscriber line access multiplexer (DSLAM, often pronounced DEE-slam) is a network device, often located in telephone exchanges, that connects multiple customer digital subscriber line (DSL) interfaces to a high-speed digital communications channel using multiplexing techniques.

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Diode bridge

A diode bridge is an arrangement of four (or more) diodes in a bridge circuit configuration that provides the same polarity of output for either polarity of input.

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Dynamo

A dynamo is an electrical generator that creates direct current using a commutator.

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Electric battery

An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.

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Electric charge

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

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Electric current

An electric current is a flow of electric charge.

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Electric power

Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.

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Electrical conductor

In physics and electrical engineering, a conductor is an object or type of material that allows the flow of an electrical current in one or more directions.

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Electrical connector

An electrical connector, is an electro-mechanical device used to join electrical terminations and create an electrical circuit.

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Electrical network

An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).

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Electrochemistry

Electrochemistry is the branch of physical chemistry that studies the relationship between electricity, as a measurable and quantitative phenomenon, and identifiable chemical change, with either electricity considered an outcome of a particular chemical change or vice versa.

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Electrolysis

In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction.

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Electronics

Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.

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Extra-low voltage

Extra-low voltage (ELV) is an electricity supply voltage in a range which carries a low risk of dangerous electrical shock.

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Fuel cell

A fuel cell is an electrochemical cell that converts the chemical energy from a fuel into electricity through an electrochemical reaction of hydrogen fuel with oxygen or another oxidizing agent.

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Ground (electricity)

In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth.

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High-voltage direct current

A high-voltage, direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current for the bulk transmission of electrical power, in contrast with the more common alternating current (AC) systems.

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Hippolyte Pixii

Hippolyte Pixii (1808–1835) was an instrument maker from Paris, France.

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Inductor

An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.

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Insulator (electricity)

An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.

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Light fixture

A light fixture (US English), light fitting (UK English), or luminaire is an electrical device that contains an electric lamp that provides illumination.

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Lippincott Williams & Wilkins

Lippincott Williams & Wilkins (LWW) is an imprint of the publishing conglomerate Wolters Kluwer.

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Low voltage

In electrical engineering low voltage is a relative term, the definition varying by context.

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McGraw-Hill Education

McGraw-Hill Education (MHE) is a learning science company and one of the "big three" educational publishers that provides customized educational content, software, and services for pre-K through postgraduate education.

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Neutral direct-current telegraph system

In telecommunication, a neutral direct-current telegraph system (single-current system, single-current transmission system, single-Morse system) is a telegraph system in which (a) current flows during marking intervals and no current flows during spacing intervals for the transmission of signals over a line, and (b) the direction of current flow is immaterial.

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NorNed

NorNed is a long high-voltage direct current submarine power cable between Feda in Norway and the seaport of Eemshaven in the Netherlands, which interconnects both countries' electrical grids.

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Power inverter

A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC).

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Power station

A power station, also referred to as a power plant or powerhouse and sometimes generating station or generating plant, is an industrial facility for the generation of electric power.

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Power supply

A power supply is an electrical device that supplies electric power to an electrical load.

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Public utility

A public utility (usually just utility) is an organization that maintains the infrastructure for a public service (often also providing a service using that infrastructure).

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Rectifier

A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.

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Resistor

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.

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Semiconductor

A semiconductor material has an electrical conductivity value falling between that of a conductor – such as copper, gold etc.

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Solar power

Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV), indirectly using concentrated solar power, or a combination.

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Stationary process

In mathematics and statistics, a stationary process (a strict/strictly stationary process or strong/strongly stationary process) is a stochastic process whose unconditional joint probability distribution does not change when shifted in time.

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Steady state (electronics)

In electronics, steady state is an equilibrium condition of a circuit or network that occurs as the effects of transients are no longer important.

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Switch

In electrical engineering, a switch is an electrical component that can "make" or "break" an electrical circuit, interrupting the current or diverting it from one conductor to another.

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Telephone

A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.

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Telephone exchange

A telephone exchange is a telecommunications system used in the public switched telephone network or in large enterprises.

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Third rail

A third rail is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway track.

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Thomas Edison

Thomas Alva Edison (February 11, 1847October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor.

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Transformer

A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

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Transient state

A system is said to be in a transient state when a process variable or variables have been changed and the system has not yet reached a steady state.The time taken for the circuit to change from one steady state to another steady state is called the transient time. Transient analysis KVL and KCL to circuits containing energy storage elements results in differential.

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Twisted pair

Twisted pair cabling is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility.

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Vacuum

Vacuum is space devoid of matter.

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Volkswagen Beetle

The Volkswagen Beetle – officially the Volkswagen Type 1, informally in German the Käfer (literally "beetle"), in parts of the English-speaking world the Bug, and known by many other nicknames in other languages – is a two-door, rear-engine economy car, intended for five passengers, that was manufactured and marketed by German automaker Volkswagen (VW) from 1938 until 2003.

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Volt

The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.

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Voltage

Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

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Voltage regulator

A voltage regulator is an electronic circuit that provides a stable DC voltage independent of the load current, temperature and AC line voltage variations.

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Voltage source

A voltage source is a two-terminal device which can maintain a fixed voltage.

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Voltaic pile

The voltaic pile was the first electrical battery that could continuously provide an electric current to a circuit.

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Watt

The watt (symbol: W) is a unit of power.

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Continous current, Continuous current, DC current, DC electricity, DC machines, DC power, DC voltage, Direct Current, Direct circuit circuit, Direct current circuit, Direct-current, Direct-current electricity, Electric direct current, Galvanic current, LVDC, .

References

[1] https://en.wikipedia.org/wiki/Direct_current

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