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Longer titles found: Current limiting reactor (view)

searching for Current limiting 68 found (94 total)

Constant-current diode (202 words) [view diff] no match in snippet view article find links to article

current to a maximal specified value for the device. It is known as a current-limiting diode (CLD) or current-regulating diode (CRD). It consists of an n-channel

Inrush current limiter (517 words) [view diff] exact match in snippet view article find links to article

used to limit inrush current. NTC thermistors can be used as inrush-current limiting devices in power supply circuits when added in series with the circuit

Electrical ballast (3,008 words) [view diff] no match in snippet view article find links to article

An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit. A familiar and widely used example

Eliyahu M. Goldratt (1,421 words) [view diff] exact match in snippet view article find links to article

one. The plot of Goldratt's stories revolve around identifying the current limiting constraint and raising it, which is followed by finding out which is

Crowbar (circuit) (780 words) [view diff] no match in snippet view article

thyratron as the shorting device. Once triggered, they depend on the current-limiting circuitry of the power supply or, if that fails, the blowing of the

LED circuit (2,480 words) [view diff] exact match in snippet view article find links to article

value for the resistor can be calculated, so some other method of current limiting is used. The voltage versus current characteristics of an LED is similar

Automotive fuse (1,818 words) [view diff] case mismatch in snippet view article find links to article

of a metal strip for currents over 10 amperes. Also referred to as Current Limiting Fuses, they feature an internal fuse element that melts when current

Arc flash (3,770 words) [view diff] exact match in snippet view article find links to article

flash hazard. Fault current can be limited by using current limiting devices such as current limiting breakers, grounding resistors, arc suppression coils

Thermistor (3,936 words) [view diff] no match in snippet view article find links to article

current (and corresponding peak device temperature) is reached. The current-limiting effect can replace fuses. In the degaussing circuits of many CRT monitors

Test light (1,601 words) [view diff] no match in snippet view article find links to article

delivered in case of a short circuit, test lights must have a current-limiting fuse or current-limiting resistor and fuse. The HSE guidelines also recommend procedures

Resistor (8,285 words) [view diff] no match in snippet view article find links to article

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors

Fuse (electrical) (5,125 words) [view diff] no match in snippet view article

systems must have higher interrupting ratings, with some low-voltage current-limiting high interrupting fuses rated for 300,000 amperes. Fuses for high-voltage

Short-circuit inductance (359 words) [view diff] no match in snippet view article find links to article

power transfer. Short-circuit inductance is the main component of the current-limiting parameter in leakage transformer applications. Resonant inductive coupling

Megohmmeter (519 words) [view diff] exact match in snippet view article find links to article

through the circuit being tested. Control and deflecting coil has a current limiting resistor connected in series so as to protect the external circuit

Voltage regulator (4,244 words) [view diff] no match in snippet view article find links to article

to 93%. However, at low loads, efficiency can drop below 60%. The current-limiting capability also becomes a handicap when a CVT is used in an application

Derating (373 words) [view diff] no match in snippet view article find links to article

surrounded by an air space (e.g., inside a conduit) needs to have its current-limiting device (e.g., circuit breaker or fuse) adjusted so as not to carry

Thermal runaway (4,163 words) [view diff] exact match in snippet view article find links to article

these hazards, well-designed electronic systems typically incorporate current limiting protection, such as thermal fuses, circuit breakers, or PTC current

Electric shock drowning (966 words) [view diff] no match in snippet view article find links to article

the current to cause electric shock drowning would be so great that current-limiting circuit breakers would trip and shut off the current, thereby protecting

2N7000 (424 words) [view diff] no match in snippet view article find links to article

insulated gate means almost no gate current is required consequently no current-limiting resistor is required in the gate input MOSFETs, unlike PN junction

Ćuk converter (1,579 words) [view diff] exact match in snippet view article find links to article

capacitor with a current source (the inductor) prevents resistive current limiting and its associated energy loss. As with other converters (buck converter

Electroluminescent wire (1,059 words) [view diff] no match in snippet view article find links to article

using an unregulated transformer, back-to-back zener diodes and series current-limiting resistors are essential. In addition, EL sheet and wire can sometimes

Holiday lighting technology (4,258 words) [view diff] no match in snippet view article find links to article

voltage (120 volt) bulbs and are wired in parallel. LED-based sets use a current-limiting resistor to reduce the current supplied to each LED. Neon-lamp-based

Cold cathode (1,507 words) [view diff] exact match in snippet view article find links to article

is greatly reduced. If operated from a simple power supply without current limiting, this reduction in resistance would lead to damage to the power supply

Superconducting computing (2,138 words) [view diff] no match in snippet view article find links to article

losses of RSFQ by replacing bias resistors with sets of inductors and current-limiting Josephson junctions. Efficient single flux quantum (eSFQ) logic is

Electric light (4,337 words) [view diff] no match in snippet view article find links to article

lamps consist of two carbon rod electrodes in open air, supplied by a current-limiting ballast. The electric arc is struck by touching the rod tips then separating

Nixie tube (2,616 words) [view diff] exact match in snippet view article find links to article

volts DC at a few milliamperes between a cathode and the anode. The current limiting is normally implemented as an anode resistor of a few tens of thousands

Intrinsic safety (1,227 words) [view diff] exact match in snippet view article find links to article

ignite some explosive gasses, even in normal use. Safeguards, such as current limiting by resistors and fuses, must be employed to ensure that in no circumstance

Arduino (4,695 words) [view diff] no match in snippet view article find links to article

example Most Arduino boards contain a light-emitting diode (LED) and a current-limiting resistor connected between pin 13 and ground, which is a convenient

Shunt (electrical) (1,637 words) [view diff] exact match in snippet view article

parallel it can shunt the reversed supply, causing a fuse or other current limiting circuit to open. All semiconductor diodes have a threshold voltage

Ring oscillator (1,282 words) [view diff] no match in snippet view article find links to article

ground when their inputs are at an intermediate voltage. A circuit with current-limiting devices in series with the inverter switches is more energy efficient

Transistor–transistor logic (3,919 words) [view diff] no match in snippet view article find links to article

the two n-p-n transistors V3 and V4, the "lifting" diode V5 and the current-limiting resistor R3 (see the figure on the right). It is driven by applying

Fluorescent lamp (11,313 words) [view diff] no match in snippet view article find links to article

reasons. Instead, an inverter converts the DC into AC and provides the current-limiting function as described below for electronic ballasts. The performance

Tube tester (1,223 words) [view diff] exact match in snippet view article find links to article

with a neon lamp connected in series with the filament/heater and a current limiting resistance fed directly by the mains. There is therefore no need to

Motor controller (3,405 words) [view diff] exact match in snippet view article find links to article

higher voltage drive circuit which is responsible for commutation and current limiting. Motor control center (MCC) National Fire Protection Association (2008)

Diode (7,334 words) [view diff] no match in snippet view article find links to article

with the gate shorted to the source, and function like a two-terminal current-limiting analog to the voltage-limiting Zener diode. They allow a current through

Stepper motor (4,258 words) [view diff] exact match in snippet view article find links to article

but this is mostly a meaningless rating, as all modern drivers are current limiting and the drive voltages greatly exceed the motor rated voltage. Datasheets

Jump start (vehicle) (1,771 words) [view diff] no match in snippet view article

amount of current available through such a connection is small. Unless current-limiting devices are incorporated into such cables, the probability of opening

Plasma arc welding (2,284 words) [view diff] exact match in snippet view article find links to article

Steel, aluminium, and other materials High-frequency generator and current limiting resistors: Used for arc ignition. The arc-starting system may be separate

Hydrargyrum medium-arc iodide lamp (2,437 words) [view diff] exact match in snippet view article find links to article

their lifetime.[citation needed] HMI bulbs (like all arc bulbs) need a current limiting unit to function. Two ways of doing this are described in the ballast

AMC Amitron (2,118 words) [view diff] no match in snippet view article find links to article

effective at speeds above 22.5 mph (36.2 km/h) and the system included current-limiting to prevent overcharging the lead-acid batteries. In 1977, AMC introduced

Electrovibration (753 words) [view diff] no match in snippet view article find links to article

scientifically. He connected an aluminum plate through a variable current-limiting resistor to a 60 Hz, 110 V power supply. Half of the aluminum plate

Bootstrapping (electronics) (1,242 words) [view diff] exact match in snippet view article

needed in order to bias the transistor into linear operation (minimal current limiting) and thus avoid significant heat loss. A bootstrap capacitor is connected

USB hardware (9,275 words) [view diff] exact match in snippet view article find links to article

between 0.5 and 1.5 A of current. The charging port must not apply current limiting below 0.5 A, and must not shut down below 1.5 A or before the voltage

Capacitor (15,215 words) [view diff] exact match in snippet view article find links to article

tube. In power amplifiers this can cause the plates to glow red, or current limiting resistors to overheat, even fail. Similar considerations apply to component

Lithium-ion battery (21,059 words) [view diff] no match in snippet view article find links to article

charging. The charging procedure is performed at constant voltage with current-limiting circuitry (i.e., charging with constant current until a voltage of

Monolog (518 words) [view diff] exact match in snippet view article find links to article

the batteries are charged at 44mA. The 12volt feed is via two 330Ω current limiting resistors and the wired in fuse. This circuitry does not provide any

Extra-low voltage (1,656 words) [view diff] exact match in snippet view article find links to article

telephone line and was not considered hazardous, whereas 120 V AC without current limiting at its source can inject 115mA into individuals leading to fibrillation

Edwin Howard Armstrong (7,710 words) [view diff] case mismatch in snippet view article find links to article

Transmitting Frequency Modulated Signals" U.S. patent 2,295,323 : "Current Limiting Device" U.S. patent 2,290,159 : "Frequency Modulation System" U.S.

Leakage inductance (3,733 words) [view diff] exact match in snippet view article find links to article

voltage amplification (transformer action) is required as well as current limiting. In this case the leakage reactance is usually 100% of full load impedance

Flyback diode (1,977 words) [view diff] no match in snippet view article find links to article

inductor of opposite polarity forward biases the diode, and it conducts current, limiting the voltage across the inductor and thus preventing the arc from forming

Metal–semiconductor junction (2,205 words) [view diff] exact match in snippet view article find links to article

the Mott theory and its Schottky-Davydov extension gives the wrong current limiting mechanism and wrong current-voltage formulae in silicon metal/semiconductor

Microshock (1,218 words) [view diff] exact match in snippet view article find links to article

include isolated patient connections, high impedance connections and current limiting circuits. Despite the in-built protections, and lack of observed incidents

Liquid rheostat (977 words) [view diff] exact match in snippet view article find links to article

use fixed electrolyte resistors to ground the neutral, to provide a current limiting action, so that the voltage across the ground during fault is kept

SATA (8,825 words) [view diff] no match in snippet view article find links to article

The drive uses them to charge its internal bypass capacitors through current-limiting resistances. Finally, the remaining power pins make contact, bypassing

Buck converter (6,698 words) [view diff] exact match in snippet view article find links to article

to, switching frequency, output capacitance, inductor, load and any current limiting features of the control circuitry. At the most basic level the output

Elevator (18,282 words) [view diff] no match in snippet view article find links to article

generators to accommodate this draw. However, the increasing use of current-limiting motor starters, commonly known as "soft-start" contactors, avoids much

Power supply unit (computer) (7,549 words) [view diff] exact match in snippet view article

single rail and multiple rail designs. Both may (and often do) contain current limiting controllers. As of ATX 2.31, a single rail design's output current

Transformer types (6,001 words) [view diff] exact match in snippet view article find links to article

secondary windings. The adjustable short-circuit inductance acts as a current limiting parameter. The output and input currents are kept low enough to preclude

Capacitive power supply (740 words) [view diff] exact match in snippet view article find links to article

operations. Above right a voltage regulator can be seen, formed by the current limiting resistor, R3, and the Zener shunt regulator, IC1. If the voltage stability

Sound reinforcement system (8,370 words) [view diff] no match in snippet view article find links to article

from excessive power or operator error. Resettable fuses, specialized current-limiting light bulbs, and circuit breakers were used alone or in combination

Pre-charge (1,078 words) [view diff] exact match in snippet view article find links to article

voltage loads are then powered up sequentially. The simplest inrush-current limiting system, used in many consumer electronics devices, is a NTC resistor

WDC 65C22 (445 words) [view diff] no match in snippet view article find links to article

the NMOS 6522 produced by MOS Technology and others, and includes current-limiting resistors on its output lines. The W65C22N has an open-drain interrupt

Rechargeable lithium metal battery (1,243 words) [view diff] exact match in snippet view article find links to article

charge the battery from a voltage supply of exactly 3.1 volts through a current limiting resistor. The resistor value is found by dividing 5 by the mAh capacity

Failure of electronic components (4,991 words) [view diff] exact match in snippet view article find links to article

is typically limited by a thermal fuse, circuit breaker, or other current limiting device. Microelectromechanical systems suffer from various types of

IEC 61000-4-5 (2,669 words) [view diff] no match in snippet view article find links to article

charges the energy-storage capacitor C c {\displaystyle C_{c}} through a current-limiting resistor R c {\displaystyle R_{c}} , which is assumed to be sufficiently

Charlieplexing (9,007 words) [view diff] no match in snippet view article find links to article

only when identical LEDs are used since a single resistor is used for current-limiting through more than one LED (though not at the same time—rather, one

Electrification of the London and South Western Railway (8,549 words) [view diff] exact match in snippet view article find links to article

system was electro-magnetic and featured automatic acceleration using current limiting relays, a new feature at the time. The master controller incorporated

Light-emitting diode (18,072 words) [view diff] exact match in snippet view article find links to article

efficiently with mains voltages. Often a simple rectifier and capacitive current limiting are employed to create a low-cost replacement for a traditional light