Search references for OVERCURRENT. Phrases containing OVERCURRENT
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Dangerous condition in electrical systems
In an electric power system, overcurrent or excess current is a situation where a larger than intended electric current exists through a conductor, leading
Overcurrent
Automatic circuit protection device
caused by current in excess of that which the equipment can safely carry (overcurrent). Its basic function is to interrupt current flow to protect equipment
Circuit_breaker
Device to trip a circuit breaker when a fault is detected
disc overcurrent relays is designed to detect overcurrents in a power system and operate with a pre-determined time delay when certain overcurrent limits
Protective_relay
System of identifying electrical power devices
51 - AC Time Overcurrent Relay 51C - Voltage Controlled Time Overcurrent 51G - Ground Time Overcurrent 51LR - AC Inverse Time Overcurrent (Locked Rotor)
ANSI_device_numbers
Branch of electrical power engineering
(for example, the maximum acceptable current value when testing for the overcurrent condition). Ability to identify an abnormal condition is called sensitivity;
Power_system_protection
Term in electrical engineering
is also important for its overcurrent capabilities that are essential for the power system operations. Lack of overcurrent capability (low SCR) in a weak
Short circuit ratio (electrical grid)
Short_circuit_ratio_(electrical_grid)
Electrical safety device used in household wiring
residual-current circuit breaker with integrated overcurrent protection (RCBO) combines RCD protection with additional overcurrent protection into the same device. These
Residual-current_device
Electrical safety device that provides overcurrent protection
engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal
Fuse_(electrical)
also known as circuit breaker discrimination, is the coordination of overcurrent protection devices so that a fault in the installation is cleared by
Selectivity (circuit breakers)
Selectivity_(circuit_breakers)
Component of an electricity supply system housing fuses
more residual-current devices (RCDs) or residual current breakers with overcurrent protection (RCBOs) are also incorporated. In the United Kingdom, a distribution
Distribution_board
Electrical circuit with negligible impedance
likely to result in a very high current and therefore quickly trigger an overcurrent protection device. However, it is possible for short circuits to arise
Short_circuit
Connector used to connect to mains power
A power strip may also have switches, surge voltage protection, or overcurrent protection. Multisocket adaptors (or "splitters") allow the connection
AC_power_plugs_and_sockets
Device that routes electric current around a point in a circuit
to divert current away from a system or component in order to prevent overcurrent. Electrical shunts are used in a wide variety of applications including
Shunt_(electrical)
Safety feature in electrical engineering
also used to define a type of overcurrent protective device. According to the 2020 NEC/NFPA 70, a current-limiting overcurrent protective device is defined
Current_limiting
Electronic component
device (PPTC) is a passive electronic component used to protect against overcurrent faults in electronic circuits. The device is also known as a multifuse
Resettable_fuse
Electricity distribution networks circuit breakers
insulation, allow arcing over insulators. Reclosers can detect this as an overcurrent or earth fault (depending on the asymmetry of the fault). Lightning surges
Recloser
electrical equipment must be protected against prolonged overcurrent. If the cause of the overcurrent is nearby then automatically that current is interrupted
Power-system_automation
When voltage across/within a circuit is raised beyond the design limit
(circuit) Electrical fault Electronic countermeasure Electrostatic discharge Overcurrent Dynamic voltage scaling, automatic adjustment of voltage in digital circuits
Overvoltage
Type of resistor whose resistance varies with temperature
temperature sensors, while PTC thermistors are used as self-resetting overcurrent protectors and self-regulating heating elements. The operational temperature
Thermistor
Circuit breaker that protects against intermittent faults associated with arcing
by UL 1699—in the breaker panel that provides combined arc-fault and overcurrent protection or by using an AFCI receptacle for modifications/extensions
Arc-fault_circuit_interrupter
Combination of a fuse and a switch
protect distribution transformers from current surges and overloads. An overcurrent caused by a fault in the transformer or customer circuit will cause the
Fuse_cutout
Electronic device that converts or regulates electric energy and supplies it to a load
current limiting function to protect the power supply and load from overcurrent (excessive, potentially destructive current). A constant output voltage
Power_supply
Electrically operated switch
installations that do not have stable supply voltages. Electric motors need overcurrent protection to prevent damage from over-loading the motor, or to protect
Relay
North American standard for electrical-wire diameters
complete Code must be consulted. In particular, the maximum permissible overcurrent protection devices may set a lower limit. "Table 11: Recommended Current
American_wire_gauge
Device to couple energy between circuits
magnetism is reduced, usually after a few cycles of the applied AC waveform. Overcurrent protection devices such as fuses must be selected to allow this harmless
Transformer
System using algorithmic detection of electrical faults
logic, but the logic is fixed and simple. For instance, in some time overcurrent solid state relays, the incoming AC current is first converted into a
Numerical_relay
International standard on electrical installations of buildings
42: Protection against thermal effects Section 43: Protection against overcurrent Section 44: Protection against voltage disturbances and electromagnetic
IEC_60364
Electrical grounding for safety or function
accidentally become energized, the fault current will cause the circuit overcurrent protection device (fuse or circuit breaker) to open, clearing the fault
Earthing_system
Defect that causes abnormal electric current
If a second ground fault develops in such a system, it can result in overcurrent or failure of components. Even in systems that are normally connected
Electrical_fault
Discrete device in an electronic system
against lightning strikes Recloser – automatic switch that opens on an overcurrent (fault) condition, then closes to check if the fault is cleared, and
Electronic_component
breaker with overcurrent protection (RCBO) Combination of RCD and MCB; breaks circuit on being triggered either as an RCD or by overcurrent. Surge protection
Electrical wiring in the United Kingdom
Electrical_wiring_in_the_United_Kingdom
European electric plug standards
5 mm, and are usually fed by final circuits with either 10 A or 16 A overcurrent protection devices. To improve contact with socket parts the Europlug
CEE_7
Internally commutated electric motor
Fuses and circuit breakers are overcurrent or short circuit protectors. Ground fault relays also provide overcurrent protection. They monitor the electric
Brushed_DC_electric_motor
Early type of semiconductor rectifier
1920s, under the trade name Westector (now used as a trade name for an overcurrent trip device by Westinghouse Nuclear). In some countries the term "metal
Metal_rectifier
Electrical cable that connects an appliance to the electricity supply via a wall socket
one or both ends. A cord set may include accessories such as fuses for overcurrent protection, a pilot lamp to indicate voltage is present, or a leakage
Power_cord
Communication connector using the USB protocol
designed, then it must be self-powered." Since USB 2.0, USB standardized overcurrent protection mechanisms for USB hosts and USB devices. USB Battery Charging
USB_hardware
Electricity usage monitor
apparent power. It protects against surges and EMI, has a configurable overcurrent shutdown limit, and also measures earth leakage current; one version
Kill_A_Watt
Type of rechargeable battery
Vent (pressure relief in case of severe outgassing) Thermal interrupt (overcurrent/overcharging/environmental exposure) These features are required because
Lithium-ion_battery
Topics referred to by the same term
signal it is tuned Selectivity (circuit breakers), the coordination of overcurrent protection devices in an electrical installation Binding selectivity
Selectivity
24-pin USB connector system
correctly aligned so that i.e. operating system messages indicating overcurrent conditions report the correct shared USB plug. In Alternate Modes one
USB-C
Electric discharge between the atmosphere and the ground
and other electronic devices can be damaged by lightning, as harmful overcurrent can reach them through the phone jack, Ethernet cable, or electricity
Lightning_strike
Electric current that periodically reverses direction
impedance path allows the maximum amount of fault current, causing the overcurrent protection device (breakers, fuses) to trip or burn out as quickly as
Alternating_current
Chemical compound
the material semiconductor properties. Specific applications include overcurrent protection for motors, ballasts for fluorescent lights, automobile cabin
Barium_titanate
Source of electricity
from the device. Unlike a conventional generator, the GFM device has no overcurrent capacity and thus will react very differently in the short-circuit situation
Inverter-based_resource
In mains electricity, part of a circuit connected to ground or earth
the fourth pole is the neutral phase, and is hence protected against overcurrent on the neutral conductor. Common grounding problems and concerns can
Ground_and_neutral
Weapon used to disable power grids
the protection of the line cuts the power, or the line fails due to overcurrent. In both cases the power distribution is cut. As water supply systems
Graphite_bomb
Expansion bus standard
connector pinout Pin Side B Side A Comments 1 OVERCNT# +12 V USB port overcurrent warning 2 +5 V TYPEDET# Pulled low by card to indicate 1.5 V (AGP 2.0
Accelerated_Graphics_Port
Non-rechargeable battery using lithium metal as anode
susceptible to this type of discharge. Consumer batteries usually incorporate overcurrent or thermal protection or vents to prevent an explosion. From January
Lithium_metal_battery
Maximum current that can be applied continuously without harming a device or system
Ampacity rating is normally for continuous current, and short periods of overcurrent occur without harm in most cabling systems. Electrical code rules will
Ampacity
disturbance such as opening of a switch. It can cause overvoltages and overcurrents in an electrical power system and can pose a risk to transmission and
Ferroresonance in electricity networks
Ferroresonance_in_electricity_networks
Failure mode in MOSFET circuits
functioning of the part, possibly even leading to its destruction due to overcurrent. A power cycle is required to correct this situation. The parasitic structure
Latch-up
Power supply with switching regulator
avoid nuisance blowing and may cause problems with equipment employing overcurrent protection such as uninterruptible power supplies. Mitigated by use of
Switched-mode_power_supply
Semiconductor device
of the device nearest the gate contacts will overheat and melt from overcurrent. The rate of dI/dt is usually controlled by adding a saturable reactor
Gate_turn-off_thyristor
Type of gas-filled tube used as a pulsed modulator device
high radiation, electromagnetic pulse, and repeated overvoltage and overcurrent events. Crossatron switch applications in power conditioning include
Crossatron
Electrical circuit power converter
used if a faster response is required, or if the addition of output overcurrent protection is desirable. Stacking An even number of diode-capacitor cells
Voltage_multiplier
Type of substation
similar to that of an AC substation. It will contain circuit breakers for overcurrent protection of the converter transformers, isolating switches, grounding
HVDC_converter_station
Topics referred to by the same term
considered fully discharged. Fuse (electrical) (or cutoff), a type of overcurrent protection device. Meander cutoff, a course change in a meandering river
Cutoff
Signal amplifier that doesn't significantly degrade the signal-noise ratio
LNAs need a negative gate bias and a positive drain supply. To prevent overcurrent during power up and power down, the gate bias is applied and removed
Low-noise_amplifier
Diode that works using quantum tunneling
ratio of 5:1 at around 1–20 mA Ipk, and so should be protected against overcurrent. Avalanche diode Gunn diode IMPATT diode Lambda diode Resonant-tunneling
Tunnel_diode
Circuit handling system tasks in computers
and controlling display brightness of built-in LCD or OLED USB OC (overcurrent) (USB disable) Controlling RGB lighting Wake-on-LAN Debug Card Interface
Embedded_controller
integral overcurrent protection for household and similar uses (RCCBs) IEC 61009 Residual current operated circuit breakers with integral overcurrent protection
List_of_IEC_standards
losses, Load and generation profile studies, Fault Level, Overcurrent Protection, Time and overcurrent grading, Relay modelling, Harmonic Analysis, G5/5 compliance
Power_engineering_software
Electric generator that powers its own field winding
generators are always used with regulators that regulate overvoltage and overcurrent, and disconnect the generator at undervoltage. In a shunt-wound generator
Shunt_generator
Drilling component
(less than 10000 PaS) suspended slurry Drilling fluid flow is stable, no overcurrent, pulsation and stirred, shear slurry phenomena Discharge pressure is
Mud_pump
Passive electronic component providing electrical resistance
of current. Therefore, oftentimes resistors will be added to prevent overcurrent situations. Additionally, oftentimes circuits do not need the amount
Resistor
HVDC power transmission system
thyristors also had poor transient overcurrent capability, so another unusual feature of the scheme was the existence of overcurrent diverters between the valves
Cahora_Bassa_(HVDC)
Manufacturing company
fuse together, thus preventing the breaker from tripping even in an overcurrent situation, thereby causing a potential fire hazard. Aftermarket replacements
Zinsco
Electronic component
protection from inrush current surges (during equipment startup), from overcurrent (created by a short circuit), or from voltage sags (brownouts); it neither
Varistor
SLR cameras from Rolleiflex
cartridge fuse (0.8 A / 250 V) to protect the film transport motor from overcurrent in case of a jammed mechanism. Two separate shutter releases are provided
Rolleiflex_SLX
Topics referred to by the same term
Open-circuit potential, an electric potential measured at zero net current Overcurrent protection, in power supply Optimal control problem, in applied mathematics
OCP
Device that changes direct current (DC) to alternating current (AC)
it. This can lead to rapid discharge of the entire pack, or even an overcurrent and possible fire. To avoid this, large paralleled batteries may be connected
Power_inverter
IEC classification of live electric circuits
installation. Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units. The value of clearance relates
Measurement_category
Increasing processor speed beyond specification
(throttling), abrupt shutdown and reboots due to overheat, overvoltage or overcurrent, data loss and data corruption. Increasing the operation frequency of
Overclocking
Damper that resists motion via viscous friction
allowed to escape slowly. Electrical switchgear may use dashpots in their overcurrent sensing mechanism to reduce reaction speed to brief events, thus making
Dashpot
Gas-filled tube used as a rectifier
state alternatives. Because they are far more resistant to damage due to overcurrent or back-voltage, ignitrons are still manufactured and used in preference
Ignitron
Unit of area
of NFPA and the original complete Code must be consulted. In particular, the maximum permissible overcurrent protection devices may set a lower limit.
Circular_mil
Reversed flow of electricity
manufacturing cost and operational simplicity reasons, most circuit (overcurrent) protection and power quality control (voltage regulation) devices used
Backfeeding
Electrical breakdown of a gas that results in an ongoing electrical discharge
filament pull an electric arc between the leads inside the bulb, leading to overcurrent that trips the breakers. An electric arc over the surface of plastics
Electric_arc
IEEE standard for calculating the incident energy of arc flash event
predicted arc current and incident energy are used in selecting appropriate overcurrent protective devices and personal protective equipment (generally abbreviated
IEEE_1584
Transformer used to scale alternating current, used as sensor for AC power
protective devices. For example, one secondary may be used for branch overcurrent protection, while a second winding may be used in a bus differential
Current_transformer
Reference point in an electrical circuit from which voltages are measured
frayed or damaged insulator, it creates a short circuit, causing the overcurrent device (circuit breaker or fuse) to open, clearing (disconnecting) the
Ground_(electricity)
Electrical circuit used to power a LED
than expected to enter this mode and cause damage to the LED due to overcurrent. However, the cut-in voltage is always less than the breakdown voltage
LED_circuit
Topics referred to by the same term
computer component to run at a higher clock rate than it was designed for Overcurrent, an excessive value of electric current Occitan language (ISO 639 alpha-2
OC
AC power plug and socket used in Australia and New Zealand
current rating of the sockets concerned; or (b) the current rating of the overcurrent protection device concerned, whichever is the lesser value.) "A socket-outlet
AS/NZS_3112
Standards and procedures intended to protect from the damaging effects of electricity
Transmission lines, and electrical equipment from electric shock and Overcurrent. TT system TN system IT system lightning rod (simple rod or with triggering
Electrical_safety_standards
Oscillations in an electric grid
including the oscillations (in addition to subcycle overvoltage and AC overcurrent). In some cases, high frequency oscillations (hundreds of Hz) were also
Grid_oscillation
Type of lower-voltage electricity most commonly provided by utilities
(receptacles or outlets) Earthing system (grounding) Protection against overcurrent damage (e.g., due to short circuit), electric shock, and fire hazards
Mains_electricity
Heat and light produced during an electrical arc fault
detection of arc-flash light. Optical detection is often combined with overcurrent information. Light and current based protection can be set up with dedicated
Arc_flash
Large dummy load for testing electric power transmission systems
systems, particularly for more complex relays like distance, directional overcurrent, power directional and others. A resistive/reactive inductive and/or
Load_bank
it can source enough current on a short circuit to allow subordinate overcurrent protection devices to operate properly. Where an industrial system is
Prospective short-circuit current
Prospective_short-circuit_current
Act of distinguishing one thing from another
(also known as circuit breaker discrimination) is the coordination of overcurrent protection devices so that a fault in the installation is cleared by
Discrimination_(information)
Ways electronic components fail and prevention measures
pulse); a parasitic structure acting as a triggered SCR then may cause an overcurrent-based failure. In ICs, latchups are classified as internal (like transmission
Failure of electronic components
Failure_of_electronic_components
Type of relay without moving parts
threshold A power supply for the static relay circuits For example, an overcurrent protective relay may have an AC to DC power supply for the input circuit
Static_relay
Motherboard and power supply configuration
the four-pin connector and 12 V1 for everything else) with independent overcurrent protection are needed to meet the power requirements safely (some very
ATX
Protects electrical devices from voltage spikes
switching, may also be safely diverted to ground; however, continuous overcurrent is not protected against by these devices. The energy in a handled transient
Surge_protector
Supply energy using single wire with earth as return
include automatic reclosing circuit breakers (reclosers). Most faults (overcurrent) are transient. Since the network is rural, most of these faults will
Single-wire_earth_return
1980 casino fire in Paradise, Nevada, US
pp. 12–. ISBN 978-1-284-04197-2. Earl W. Roberts (September 1, 2000). Overcurrents and Undercurrents: All About Gfcls and Afcls. Reptec. ISBN 978-0-9674323-1-1
MGM_Grand_fire
International standard
FB FBA Residual current device F FB FBB Neutral earthing limiter F FC Overcurrent protecting object F FC FCA Fuse F FC FCB Miniature circuit-breaker F
IEC_81346
Electrical device
incorporate a regular fuse to protect against the possibility of severe overcurrent if too many bulbs fail. In some cases this function is performed by a
Antifuse
American electronics engineer (1929–2016)
January 12, 1988 US patent 4928200, Richard Redl & Nathan O. Sokal, "Overcurrent protection for switching mode power converter", issued May 22, 1990
Nathan_O._Sokal
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Boy/Male
Tamil
Egaiarasu | à®à®•ைஅராஸà¯
King of charity
Surname or Lastname
English
English : possibly from Middle English cloutere, clutere, an occupational name for a cobbler or patcher, from an agent derivative of cloute, clut(e) ‘patch’.Possibly an altered form of German Klutterer, an occupational name for a traveling entertainer, Middle High German kluterære, or a shortened form of Klüttermann ‘clodhopper’, a nickname for a peasant.
Girl/Female
English
Abbreviation of Elizabeth.
Girl/Female
Arabic, Muslim
The Firm and Solid Light
Girl/Female
Muslim/Islamic
She was a narrator of hadith
Girl/Female
Australian, Dutch, German, Greek, Netherlands
Pearl
Girl/Female
Muslim
Brilliant, Beautiful
Girl/Female
Biblical
Approaching, coming near.
Boy/Male
Arabic, Muslim
Increase; Excess; More
Girl/Female
Indian
Princess: truthful
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