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Search references for DIRECT CURRENT. Phrases containing DIRECT CURRENT
See searches and references containing DIRECT CURRENT!DIRECT CURRENT
Unidirectional flow of electric charge
Direct current (DC) is one-directional flow of electric charge. An electrochemical cell is a prime example of DC power. Direct current may flow through
Direct_current
Electric power transmission system
A high-voltage direct current (HVDC) system uses direct current (DC) and high voltages (currently between 100 kV and 800 kV) for electric power transmission
High-voltage_direct_current
Technique of brain electric stimulation therapy
Transcranial direct current stimulation (tDCS) is a form of neuromodulation that uses constant, low-intensity DC electricity delivered via electrodes placed
Transcranial direct-current stimulation
Transcranial_direct-current_stimulation
Motor which works on direct current
motor that uses direct current (DC) to produce mechanical force. The most common types rely on magnetic forces produced by currents in the coils. Nearly
DC_motor
Device that converts other energy to electrical energy
current which changes direction with each 180° rotation, an alternating current (AC). However many early uses of electricity required direct current (DC)
Electric_generator
Topics referred to by the same term
vehicle DirectX, a proprietary dynamic media platform Direct current, a direct flow of electricity Direct examination, the in-trial questioning of a witness
Direct
1880s-1890s electric power transmission system dispute
street lighting running on high-voltage alternating current (AC), and large-scale low-voltage direct current (DC) indoor incandescent lighting being marketed
War_of_the_currents
Flow of electric charge
the dynamo type. Alternating current can also be converted to direct current through use of a rectifier. Direct current may flow in a conductor such as
Electric_current
Difference in electric potential between two points in space
alternating current (AC) there is a difference between instantaneous voltage and average voltage. Instantaneous voltages can be added for direct current (DC)
Voltage
Electronic measuring instrument that combines several measurement functions in one unit
Avometer had a sensitivity of 60 Ω/V, three direct current ranges (12 mA, 1.2 A, and 12 A), three direct voltage ranges (12, 120, and 600 V or optionally
Multimeter
Electric current that periodically reverses direction
Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current
Alternating_current
Direct-current plasma (DCP) is a type of plasma source used for atomic emission spectroscopy that utilizes three electrodes to produce a plasma stream
Direct-current_plasma
Periodic, time-varying but non-reversing current such as is produced by a rectifier
Pulsed DC (PDC) or pulsating direct current is a periodic current which changes in value but never changes direction. Some authors use the term pulsed
Pulsed_DC
DC Comics promotional feature
Direct Currents is the name of several promotional features by DC Comics, including a long-running newsletter. Direct Currents was first used as the name
Direct_Currents
Type of electronic circuit
electronic circuit or electromechanical device that converts a source of direct current (DC) from one voltage level to another DC. It is a type of electric
DC-to-DC_converter
Device converting mechanical into electrical energy
stationary armature. The rotor coil is externally excited by a small direct current (DC), while the AC is generated in the stationary coils. Occasionally
Alternator
Electrical safety device used in household wiring
smooth direct current; For residual pulsating rectified direct current which results from two or more phases; For residual smooth direct currents, whether
Residual-current_device
Plasma formed by passage of current through gas
current is increased still further, other factors come into play and an arc discharge begins. The simplest type of glow discharge is a direct-current
Glow_discharge
Loops of electric current induced within conductors by a changing magnetic field
In electromagnetism, an eddy current (also called Foucault's current) is a loop of electric current induced within conductors by a changing magnetic field
Eddy_current
Electrical shock or medications to interrupt cardiac arrhythmia
Wafae BG, da Silva RM, Veloso HH (2019). "Propofol for sedation for direct current cardioversion". Annals of Cardiac Anaesthesia. 22 (2): 113–121. doi:10
Cardioversion
Specific film distribution method
Direct-to-video refers to the release of a film or television series on home video formats without an initial theatrical release or television premiere
Direct-to-video
Direct current that does not change intensity with time
A constant current (steady current, time-independent current, stationary current) is a type of direct current (DC) that does not change its intensity with
Constant_current
Electrical generator that produces direct current with the use of a commutator
A dynamo is an electrical generator that creates direct current using a commutator, and uses self-powering electromagnets for the stator field rather than
Dynamo
Tool for measuring electrical current
1000 A and more. Hall effect and vane type clamps can also measure direct current (DC). The Hall effect type is more sensitive and is able to measure
Current_clamp
HVDC power line in the United States
from the Pacific Northwest to the Los Angeles area using high voltage direct current (HVDC). The line capacity is 3.1 gigawatts, which is enough to serve
Pacific_DC_Intertie
Electrical device that converts AC to DC
electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction
Rectifier
Installation for charging electric vehicles
alternating current (AC) charging stations and direct current (DC) charging stations. Electric vehicle batteries can only be charged by direct current electricity
Charging_station
power line could be done efficiently. Much of early electricity was direct current, which could not easily be increased or decreased in voltage either
History of electric power transmission
History_of_electric_power_transmission
Self-propelled railway vehicle
General Electric electrical engineer, developed and patented a reliable direct current electrical control system (subsequent improvements were also patented
Locomotive
2017 historical drama film directed by Alfonso Gomez-Rejon
used in the United States (often referred to as the "war of the currents"). Directed by Alfonso Gomez-Rejon, written by Michael Mitnick, and executive
The_Current_War
Phenomena related to electric charge
applications, current is often described as being either direct current (DC) or alternating current (AC). These terms refer to how the current varies in time
Electricity
Use of currents for propulsion of trains
in the first twenty years of the twentieth century. Direct current (DC) traction units use current drawn from a third rail, fourth rail, ground-level power
Railway_electric_traction
Device that changes direct current (DC) to alternating current (AC)
is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). The resulting AC frequency obtained depends on the
Power_inverter
Assembly of photovoltaic cells used to generate electricity
exposed to light. These electrons flow through a circuit and produce direct current electricity, which can be used to power various devices or be stored
Solar_panel
Conductive electrical connection
Conductive coupling passes the full spectrum of frequencies including direct current. Such coupling may be achieved by a wire, resistor, or common terminal
Direct_coupling
Device for changing direction of current
convert the alternating current from the windings to unidirectional direct current in the external load circuit. The first direct current commutator-type machine
Commutator_(electric)
Amount of charge flowing through a unit cross-sectional area per unit time
current density is the electric current (or the amount of charge per unit time) that flows through a unit area of a chosen cross section. The current
Current_density
Electricity converter
converts electric power from high voltage alternating current (AC) to high-voltage direct current (HVDC), or vice versa. HVDC is used as an alternative
HVDC_converter
Process in power generation
they cannot safely exchange AC power until they are synchronized. A direct current (DC) generator can be connected to a power network simply by adjusting
Synchronization (alternating current)
Synchronization_(alternating_current)
Circuit arrangement of four diodes
used in the process of converting alternating current (AC) from the input terminals to direct current (DC, i.e. fixed polarity) on the output terminals
Diode_bridge
Electrical standard designed to protect against electric shock
exceed 120 volts (V) for ripple-free direct current (DC) or 50 VRMS (root mean square volts) for alternating current (AC). The IEC and IET go on to define
Extra-low_voltage
Device for regulating the performance of a motor
Motor controllers are used with both DC motors (direct current) and AC motors (alternating current). A controller includes means to connect the motor's
Motor_controller
Welding process
gases were used in the beginning of the 1930s. A few years later, a direct current, gas-shielded welding process emerged in the aircraft industry for welding
Gas_tungsten_arc_welding
Technique for assessing corrosion protection
DCVG (direct current voltage gradient) is a survey technique used for assessing the effectiveness of corrosion protection on buried steel structures. In
DCVG
Heat from a current in an electric conductor
generator is needed to produce electrical current. Electrodes, in direct contact with food, pass electric current through the matrix. The distance between
Joule_heating
Not being connected to public utilities
mass. Electricity produced by photovoltaics is direct current and is stored in batteries as direct current and DC buildings would eliminate the need for
Off-the-grid
Automatic circuit protection device
Low-voltage circuit breakers are also made for direct-current (DC) applications, such as for subway lines. Direct current requires special breakers because the
Circuit_breaker
List of definitions of terms and concepts used in electrical engineering and electronics
current or direct current wall socket power. active rectification A circuit where rectifier devices are externally controlled to change AC to current
Glossary of electrical and electronics engineering
Glossary_of_electrical_and_electronics_engineering
SI unit of apparent power in an electrical circuit
root mean square current (in amperes). Volt-amperes are usually used for analyzing alternating current (AC) circuits. In direct current (DC) circuits, this
Volt-ampere
Tendency of AC current flow in a conductor's outer layer
98% of the current will flow within a layer 4 times the skin depth from the surface. This behavior is distinct from that of direct current which usually
Skin_effect
Directional mass flow of oceanic water
An ocean current is a continuous, directed movement of seawater generated by a number of forces acting upon the water, including wind, the Coriolis effect
Ocean_current
Electromagnetic frequencies ranging from 3 kHz to 300 GHz
Electric currents that oscillate at radio frequencies (RF currents) have special properties not shared by direct current or lower alternating current, such
Radio_frequency
Two-terminal electronic component
uses, diodes are found in rectifiers to convert alternating current (AC) power to direct current (DC), demodulation in radio receivers, and can even be used
Diode
Physical quantity in electromagnetism
displacement current density is the rate of change of the electric displacement field D, appearing as ∂D/∂t in Maxwell's equations. Displacement current density
Displacement_current_density
Electrical potential that is large enough to cause damage or injury
define high voltage as above 1000 V for alternating current, and at least 1500 V for direct current. in IEC 61140. In the United States, the American National
High_voltage
Electrical machine
converter. Rotary converters were used to convert alternating current (AC) to direct current (DC), or DC to AC power, before the advent of chemical or solid
Rotary_converter
Electric vehicle charging standard
62196 Type 1 and Type 2 alternating current (AC) connectors, respectively, each with two additional direct current (DC) contacts to allow high-power fast
Combined_Charging_System
In telecommunications, a neutral direct-current telegraph system (single-current system, single-current transmission system, single-Morse system) is a
Neutral direct-current telegraph system
Neutral_direct-current_telegraph_system
Process of changing something to use electricity
motors. Although the first power stations supplied direct current, the distribution of alternating current soon became the most favored option. The main advantages
Electrification
Machine that converts electrical energy into mechanical energy
Electric motors can be powered by direct current (DC) sources, such as from batteries or rectifiers, or by alternating current (AC) sources, such as a power
Electric_motor
Final stage of electricity delivery to individual consumers in a power grid
3,000 V) alternating current (AC) or direct current (DC), and incandescent lighting running on low-voltage (100 V) direct current. Both were supplanting
Electric_power_distribution
Modelling trains hobby
return of the current. That system, known as Trix Express or Trix Twin in the UK, which first used alternative current and then direct current after 1953
Rail_transport_modelling
Bulk movement of electrical energy
electrical grid. Transmission lines transmit either alternating current (AC) or direct current (DC). To increase the efficiency of long-distance electric power
Electric_power_transmission
Vehicle propelled fully or mostly by electricity
alternating current (AC) charging stations and direct current (DC) charging stations. Electric vehicle batteries can only be charged by direct current electricity
Electric_vehicle
Locomotive powered by electricity
low voltage and high current for the motors. A similar high voltage, low current system could not be employed with direct current locomotives because there
Electric_locomotive
Low amounts of electrical volts
The ripple-free direct current requirement only applies to 120 V DC, not to any DC voltage above that. For example, a direct current that is exceeding
Low_voltage
Collection of multimedia related APIs on Microsoft platforms
APIs all began with "Direct", such as Direct3D, DirectDraw, DirectMusic, DirectPlay, DirectSound, and so forth. The name DirectX was coined as a shorthand
DirectX
Audio communication over a telephone
capacitor (A6), which blocks direct current and passes the alternating current of the ringing power. The telephone draws no current when it is on hook, while
Telephone_call
Manual arc welding process
with a flux to lay the weld. An electric current, in the form of either alternating current or direct current from a welding power supply, is used to form
Shielded_metal_arc_welding
Electrostatic generator operating on the triboelectric effect
electric potentials. It produces very high voltage direct current (DC) electricity at low current levels. It was invented by American physicist Robert
Van_de_Graaff_generator
Square root of the mean square
sum directly. The RMS of an alternating electric current equals the value of constant direct current that would dissipate the same power in a resistive
Root_mean_square
Company that designs, manufactures and markets modular power components
(typically either alternating current from a mains outlet or direct current from a battery, rectifier or High-voltage direct current power distribution system)
Vicor_Corporation
Technique in chemistry and manufacturing
chemistry and manufacturing, electrolysis is a technique that uses direct electric current (DC) to drive an otherwise non-spontaneous biological and physical
Electrolysis
Fast charging method trade name
full bridge rectifier to transform alternating current (AC) from the electrical grid to direct current (DC) suitable for recharging the EV's battery pack
CHAdeMO
Series of electrical grids that power the US and Canada
capacity. Interconnections can be tied to each other via high-voltage direct current power transmission lines (DC ties), or with variable-frequency transformers
North American power transmission grid
North_American_power_transmission_grid
Background operating conditions for electronics
In electronics, biasing is the setting of DC (direct current) operating conditions (current and voltage) of an electronic component that processes time-varying
Biasing
Subfield of electrical engineering
59 customers. The power station used direct current and operated at a single voltage. Since the direct current power could not be easily transformed
Power_engineering
Electric vehicle charging connector in Europe
charging with alternating current and direct current based on the IEC 62196-2 specification. For charging with direct current the specification IEC 62196-3
Type_2_connector
Conversion of railways to use electricity for propulsion
systems are classified by three main parameters: Voltage Current Direct current (DC) Alternating current (AC) Frequency Contact system Overhead lines (catenary)
Railway_electrification
Device that measures electric current
instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. For direct measurement, the ammeter is
Ammeter
Electrical signalling scheme
in the days of analog telephony. These circuits require end-to-end direct current (DC) continuity, and unless a dedicated wire pair was hardwired, their
Current_loop
Sound made by a telephone to indicate an incoming call or text message
century, the signal is created by superimposing ringing voltage on the direct current line voltage. Electronic telephones could produce a warbling, chirping
Ringtone
Type of solid-state switch
Originally, thyristors relied only on current reversal to turn them off, making them difficult to apply to direct current; newer device types can be turned
Thyristor
American ticket seller and news website
is owned by the Nederlander Organization. Broadway Direct was established in 2011 by its current owner, the Nederlander Organization, one of the largest
Broadway_Direct
Device used to measure electricity use
developed. Thomas Edison at first worked on a direct current (DC) electromechanical meter with a direct reading register, but instead developed an electrochemical
Electricity_meter
Linear circuit that produces an output voltage that is a fraction of its input voltage
signal attenuators at low alternating current frequencies. For direct current and relatively low alternating current frequencies, a voltage divider may be
Voltage_divider
Type of substation
equipment for a high-voltage direct current (HVDC) transmission line. It converts direct current to alternating current or the reverse. In addition to
HVDC_converter_station
Law of electrical current and voltage
whether the applied voltage or current is DC (direct current) of either positive or negative polarity or AC (alternating current). In a true ohmic device,
Ohm's_law
DC power through microphone cables
Phantom power, in the context of professional audio equipment, is direct current (DC) electric power equally applied to both signal wires in balanced microphone
Phantom_power
Execution method
the war of the currents, a competition between Thomas Edison's direct current power system and George Westinghouse's alternating current based system.
Electric_chair
Converting a charged particle's kinetic energy into voltage
Direct energy conversion (DEC) or simply direct conversion converts a charged particle's kinetic energy into a voltage. It is a scheme for power extraction
Direct_energy_conversion
frequency, also referred to as direct current, to pass from input to output. This is an application of the more general direct coupling. It was invented by
Direct-coupled_amplifier
Electrical device for reactive power compensation
that can be used in direct current systems was proposed for use in high-voltage direct current grids and for low-voltage direct current microgrids. It uses
Unified_power_flow_controller
Measurement of electric current
shape of the sensed current. unipolar output, which is proportional to the average or RMS value of the sensed current. Direct current input, unipolar, with
Current_sensing
Electronic component
are widely used in electronic circuits for blocking direct current while allowing alternating current to pass. In analog filter networks, they smooth the
Capacitor
Converts output of a photovoltaic panel into a utility frequency alternating current
which converts the variable direct current (DC) output of a photovoltaic solar panel into a utility frequency alternating current (AC) that can be fed into
Solar_inverter
Device that converts the chemical energy from a fuel into electricity
from the anode to the cathode through an external circuit, producing direct current electricity. At the cathode, another catalyst causes ions, electrons
Fuel_cell
Physiological reaction or injury caused by electric current
the skin or internal organs on direct contact with an electric current. The injury depends on the density of the current, tissue resistance and duration
Electrical_injury
Serbian-American engineer and inventor (1856–1943)
other. There was even a "war of currents" propaganda campaign going on, with Edison Electric claiming their direct current system was better and safer than
Nikola_Tesla
Type of electrical rectifier with a liquid cathode
rectifier used for converting high-voltage or high-current alternating current (AC) into direct current (DC). It is a type of cold cathode gas-filled tube
Mercury-arc_valve
DIRECT CURRENT
DIRECT CURRENT
Male
Turkish
Turkish name DIRENÇ means "resistance."
Boy/Male
Tamil
One who directs, Guide
Boy/Male
Hindu, Indian, Marathi
One who Directs; Guide
Boy/Male
Hindu, Indian, Marathi
One who Directs; Leader
Boy/Male
Dutch
Dutch forms of Theodoric.
Boy/Male
German
People's Ruler
Boy/Male
English American German
Leader.
Girl/Female
Tamil
Direct, Lead
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
Crown
Girl/Female
Indian, Sikh
Lion
Boy/Male
Tamil
Pratyaksh | பà¯à®°à®¤à¯à®¯à®•à¯à®·
Direct evidence
Pratyaksh | பà¯à®°à®¤à¯à®¯à®•à¯à®·
Male
French
French form of Latin Benedictus, BÉNÉDICT means "blessed."Â
Girl/Female
Hindu, Indian, Malayalam, Marathi, Telugu
Direct; Lead
Girl/Female
Greek Latin
Killed for abusing children.
Boy/Male
Hindu
Direct evidence
Boy/Male
American, Australian, British, Chinese, English, German
Ruler of the People; The People's Ruler
Boy/Male
Indian, Punjabi, Sikh
One who Sings Glory of God
Boy/Male
Indian, Punjabi, Sikh
Hearty Traditions
Girl/Female
Teutonic American German Latin
Directed.
Girl/Female
Indian, Sikh
Faithful
DIRECT CURRENT
DIRECT CURRENT
Girl/Female
Indian
Joy, Of truth, Generous, A small flowing river or stream
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : from a derivative of Old French hurer ‘to bristle or ruffle’, ‘to stand on end’ (see Huron).Irish : this may be an Anglicized form of Gaelic Ó hEarghaill ‘descendant of Earghall’, a variant of Ó Fearghail (see Farrell).
Boy/Male
African, Hindu, Indian, Swahili
Joyful
Boy/Male
Indian
One of the kauravas
Surname or Lastname
English
English : variant of Widdowson.
Girl/Female
Indian
Great
Girl/Female
Tamil
Nobel high, Sky, No limit
Girl/Female
Arabic, Muslim
Tender; Affectionate
Boy/Male
Italian
God has shown favor.' See also Jovan.
Male
Norwegian
Norwegian variant form of Scandinavian Frode, FRODER means "wise."
DIRECT CURRENT
DIRECT CURRENT
DIRECT CURRENT
DIRECT CURRENT
DIRECT CURRENT
v. t.
To determine the direction or course of; to cause to go on in a particular manner; to order in the way to a certain end; to regulate; to govern; as, to direct the affairs of a nation or the movements of an army.
v. t.
To arrange in a direct or straight line, as against a mark, or towards a goal; to point; to aim; as, to direct an arrow or a piece of ordnance.
a.
In the line of descent; not collateral; as, a descendant in the direct line.
n.
A part of a machine or instrument which directs its motion or action.
a.
Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road.
n.
Failing; fault; imperfection, whether physical or moral; blemish; as, a defect in the ear or eye; a defect in timber or iron; a defect of memory or judgment.
v. t.
To point out to with authority; to instruct as a superior; to order; as, he directed them to go.
n.
One who directs; a director.
a.
Not resulting directly from an act or cause, but more or less remotely connected with or growing out of it; as, indirect results, damages, or claims.
adv.
In a direct manner; in a straight line or course.
a.
Directed upward; raised; uplifted.
a.
Straight; not crooked, oblique, or circuitous; leading by the short or shortest way to a point or end; as, a direct line; direct means.
v. t.
To point out or show to (any one), as the direct or right course or way; to guide, as by pointing out the way; as, he directed me to the left-hand road.
a.
Indirect.
n.
One who, or that which, directs; one who regulates, guides, or orders; a manager or superintendent.
adv.
In a straightforward way; without anything intervening; not by secondary, but by direct, means.
v. t.
To put a direction or address upon; to mark with the name and residence of the person to whom anything is sent; to superscribe; as, to direct a letter.
imp. & p. p.
of Direct
a.
Not reaching the end aimed at by the most plain and direct method; as, an indirect proof, demonstration, etc.
v. t.
To direct.