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Crowbar (circuit)

Index Crowbar (circuit)

A crowbar circuit is an electrical circuit used to prevent an overvoltage condition of a power supply unit from damaging the circuits attached to the power supply. [1]

28 relations: Cathode, Circuit breaker, Clamper (electronics), CMOS, Crowbar (tool), Doubly-fed electric machine, Dynamic voltage restoration, Electric current, Electric power system, Electrical network, Fault (power engineering), Fuse (electrical), Ground (electricity), Inductive output tube, Klystron, Low voltage ride through, Miniature snap-action switch, Power supply, Short circuit, Static synchronous series compensator, Thyratron, Thyristor, TRIAC, Trisil, Voltage, Voltage divider, Voltage sag, Zener diode.

Cathode

A cathode is the electrode from which a conventional current leaves a polarized electrical device.

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Circuit breaker

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit.

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Clamper (electronics)

A clamper is an electronic circuit that fixes either the positive or the negative peak excursions of a signal to a defined value by shifting its DC value.

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CMOS

Complementary metal–oxide–semiconductor, abbreviated as CMOS, is a technology for constructing integrated circuits.

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Crowbar (tool)

A crowbar, also called a wrecking bar, pry bar or prybar, pinch-bar, or occasionally a prise bar or prisebar, colloquially, in Britain and Australia sometimes called a jimmy (also called jimmy bar or jemmy), gooseneck, or pig foot, is a tool consisting of a metal bar with a single curved end and flattened points, often with a small fissure on one or both ends for removing nails.

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Doubly-fed electric machine

Doubly-fed electric machines also slip-ring generators are electric motors or electric generators, where both the field magnet windings and armature windings are separately connected to equipment outside the machine.

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Dynamic voltage restoration

Dynamic voltage restoration (DVR) is a method of overcoming voltage sags that occur in electrical power distribution.

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Electric current

An electric current is a flow of electric charge.

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Electric power system

An electric power system is a network of electrical components deployed to supply, transfer, and use electric power.

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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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Fault (power engineering)

In an electric power system, a fault or fault current is any abnormal electric current.

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Fuse (electrical)

In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.

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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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Inductive output tube

The inductive output tube (IOT) or klystrode is a variety of linear-beam vacuum tube, similar to a klystron, used as a power amplifier for high frequency radio waves.

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Klystron

A klystron is a specialized linear-beam vacuum tube, invented in 1937 by American electrical engineers Russell and Sigurd Varian,Pond, Norman H. "The Tube Guys".

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Low voltage ride through

In electrical power engineering, fault ride through (FRT), sometimes under-voltage ride through (UVRT) or Low voltage ride through (LVRT), is the capability of electric generators to stay connected in short periods of lower electric network voltage (cf. voltage dip).

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Miniature snap-action switch

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force, through the use of a tipping-point mechanism, sometimes called an "over-center" mechanism.

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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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Short circuit

A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance.

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Static synchronous series compensator

A static synchronous series compensator or SSSC is a kind of flexible AC transmission system, which consists of a solid-state voltage source inverter coupled with a transformer that is connected in series with a transmission Line.

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Thyratron

A thyratron is a type of gas-filled tube used as a high-power electrical switch and controlled rectifier.

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Thyristor

A thyristor is a solid-state semiconductor device with four layers of alternating P- and N-type materials.

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TRIAC

TRIAC, from triode for alternating current, is a generic trademark for a three terminal electronic component that conducts current in either direction when triggered.

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Trisil

Trisil is a trade name for a thyristor surge protection device, an electronic component designed to protect electronic circuits against overvoltage.

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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 divider

In electronics, a voltage divider (also known as a potential divider) is a passive linear circuit that produces an output voltage (Vout) that is a fraction of its input voltage (Vin).

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Voltage sag

A voltage sag (U.S. English) or voltage dip (British English) is a short duration reduction in rms voltage which can be caused by a short circuit, overload or starting of electric motors.

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Zener diode

A Zener diode is a particular type of diode that, unlike a normal one, allows current to flow not only from its anode to its cathode, but also in the reverse direction, when the Zener voltage is reached.

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Crowbar circuit.

References

[1] https://en.wikipedia.org/wiki/Crowbar_(circuit)

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