short circuit protection device
- short circuit protection device
- устройство защиты от короткого замыкания
устройство защиты от короткого замыкания
УЗКЗ
Устройство, предназначенное для защиты цепи или частей цепи от токов короткого замыкания путем ее отключения.
[ГОСТ Р МЭК 61439.1-2013]
432.3 Устройства, обеспечивающие защиту только от тока короткого замыкания
Устройства защиты от тока короткого замыкания могут быть установлены в таких местах, где защита от перегрузки достигается другими средствами или не требуется.
[ГОСТ Р 50571.5-94 (МЭК 364-4-43-77)]
7.5.2.1.1 Для НКУ с устройством защиты от короткого замыкания, включенным в
блок ввода , должен указываться ожидаемый ток короткого замыкания на зажимах
блока ввода.
[ГОСТ 22789-94 (МЭК 439-1-85)]
Тематики
- НКУ (шкафы, пульты, ...)
- устройство (реле) защиты
Синонимы
EN
- SCPD
- short circuit protection device
- short-circuit protective device
Англо-русский словарь нормативно-технической терминологии.
academic.ru.
2015.
Смотреть что такое "short circuit protection device" в других словарях:
Short circuit — A short circuit (sometimes abbreviated to short or s/c) allows a current along a different path from the one intended. The electrical opposite of a short circuit is an open circuit , which is an infinite resistance between two nodes. It is common … Wikipedia
Conditional short circuit current — is defined as the value of the alternating current (a.c) component of a prospective current, which a switch without integral short circuit protection, but protected by a suitable short circuit protective device (SCPD) in series, can withstand for … Wikipedia
Prospective short circuit current — The prospective short circuit current (PSCC) is the highest electric current which can exist in a particular electrical system under short circuit conditions. It is determined by the voltage and impedance of the supply system. It is of the order… … Wikipedia
Circuit breaker — For other uses, see Circuit breaker (disambiguation). An air circuit breaker for low voltage (less than 1000 volts) power distribution switchgear … Wikipedia
Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… … Wikipedia
Arc-fault circuit interrupter — An arc fault circuit interrupter (AFCI) is a circuit breaker designed to prevent fires by detecting non working electrical arcs and disconnect power before the arc starts a fire. The AFCI should distinguish between a working arc that may occur in … Wikipedia
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. It operates by putting a short circuit or low resistance path across the voltage… … Wikipedia
Integrated circuit — Silicon chip redirects here. For the electronics magazine, see Silicon Chip. Integrated circuit from an EPROM memory microchip showing the memory blocks, the supporting circuitry and the fine silver wires which connect the integrated circuit die… … Wikipedia
Power system protection — is a branch of electrical power engineering that deals with the protection of electrical power systems from faults through the isolation of faulted parts from the rest of the electrical network. The objective of a protection scheme is to keep the … Wikipedia
ANSI Device Numbers — The ANSI Standard Device Numbers [ [http://www.geindustrial.com/pm/notes/ref/ANSI.pdf GE Multilin ANSI Standard Device Number] ] [ Protective Relaying Manual , Pennsylvania Electric Association (1975)] [ [http://www.basler.com/downloads/ANSI… … Wikipedia
Patient Protection and Affordable Care Act — Full title The Patient Protection and Affordable Care Act. Acronym PPACA Colloquial name(s) Affordable Care Act, Healthcare Insurance Reform, Obamacare, Healthcare Reform Enacted by the … Wikipedia