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1 overcurrent factor
overcurrent factor Überstromfaktor mEnglish-German dictionary of Electrical Engineering and Electronics > overcurrent factor
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2 overcurrent factor
Большой англо-русский и русско-английский словарь > overcurrent factor
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3 overcurrent factor
Англо-русский словарь технических терминов > overcurrent factor
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4 overcurrent factor
Техника: коэффициент перегрузки, кратность насыщения -
5 overcurrent factor
• ylivirtasuhde -
6 overcurrent factor
przeciążalność obwodu prądowegoEnglish-Polish dictionary for engineers > overcurrent factor
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7 rated overcurrent factor
rated overcurrent factor Bemessungs-Überstromziffer fEnglish-German dictionary of Electrical Engineering and Electronics > rated overcurrent factor
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8 factor
2) фактор3) показатель•factor of earthing — коэффициент заземленияfactor of merit — 1. критерий качества 2. добротностьfactor of quality — 1. критерий качества 2. добротностьfactor of safety — 1. коэффициент запаса (прочности), запас прочности 2. коэффициент (фактор) безопасности 3. коэффициент надёжностиfactor of safety against overturning — коэффициент запаса устойчивости против опрокидывания ( при расчёте подпорных стенок)factor of safety against sliding — коэффициент запаса устойчивости против плоского сдвига по основанию ( при расчёте подпорных стенок)factor of safety against ultimate stress — коэффициент запаса прочности по пределу прочности-
2T pulse K factor
-
absorption factor
-
acceleration factor
-
accumulation factor
-
acoustic insulation factor
-
acoustic reduction factor
-
acoustic reflection factor
-
acoustical absorption factor
-
activity factor
-
additional secondary phase factor
-
additional secondary factor
-
aerodrome utilization factor
-
aircraft acceleration factor
-
aircraft load factor
-
aircraft safety factor
-
aircraft usability factor
-
amplification factor
-
amplitude factor
-
anisotropy factor
-
annual growth factor
-
annual plant factor
-
anthropogenic factor
-
aperture shape factor
-
application factor
-
array factor
-
ASTM stability factor
-
atmospheric factor
-
atomic factor
-
attenuation factor
-
automatic scale factor
-
availability factor
-
available heat factor
-
available-lime factor
-
average noise factor
-
balance factor
-
bandwidth factor
-
barrier factor
-
base-transport factor
-
basin shape factor
-
beam shape factor
-
bed-formation factor
-
belt differential factor
-
belt factor
-
belt sag factor
-
biological quality factor N
-
biological quality factor
-
biotic factor
-
blast-penetration factor
-
blockage factor
-
brake factor
-
break-even load factor
-
bulk factor
-
bulking factor
-
burnup factor
-
calibration factor
-
Callier factor
-
capacitance factor
-
capacity factor
-
car capacity utilization factor
-
cargo load factor
-
catalyst carbon factor
-
catalyst gas factor
-
cement factor
-
cementation factor
-
characteristic factors
-
chemotactic factor
-
climatic factor
-
clotting factor
-
CNI factor
-
coil magnification factor
-
coincidence factor
-
coke-hardness factor
-
coke-permeability factor
-
Colburo heat-transfer factor
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colicinogenic factor
-
colicin factor
-
comfort factor
-
common factor
-
compacting factor
-
compensation factor
-
complexity factor
-
compressibility factor
-
concentration factor
-
confidence factor
-
consumer load coincidence factor
-
contrast factor
-
control factor
-
conversion factor
-
conveyance factor
-
core factor
-
correction factor
-
correlation factor
-
coupling factor
-
cover factor
-
crack susceptibility factor
-
crest factor
-
critical stress intensity factor
-
cross-modulation factor
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current amplification factor
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current amplitude factor
-
current transformer correction factor
-
current unbalance factor
-
current waveform distortion factor
-
cyclic duration factor
-
damage factor
-
damage severity factor
-
damping factor
-
daylight factor
-
dc conversion factor
-
decontamination factor
-
defective factor
-
deflection factor
-
deflection uniformity factor
-
degeneration factor
-
degradation factor
-
degree-day melting factor
-
demagnetization factor
-
demand factor
-
depolarization factor
-
derating factor
-
design factor
-
design load factor
-
detuning factor
-
deviation factor
-
dielectric loss factor
-
differential diffraction factor
-
diffuse reflection factor
-
diffuse transmission factor
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dilution factor
-
dimensionless factor
-
directivity factor
-
discharge factor
-
displacement factor
-
displacement power factor
-
dissipation factor
-
distortion factor
-
distribution factor
-
diversity factor
-
division factor
-
dose buildup factor
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dose reduction factor
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drainage factor
-
drug resistance factor
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duty cycle factor
-
duty factor
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ecological factor
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edaphic factor
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effective demand factor
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effective multiplication factor
-
effective-volume utilization factor
-
efficiency factor
-
electromechanical coupling factor
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elimination factor
-
elongation factor
-
emission factor
-
emissivity factor
-
engineering factors
-
enlargement factor
-
enrichment factor
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environmental factor
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etch factor
-
excess air factor
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excess multiplication factor
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expansion factor
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exponential factor
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exposure factor
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external factor
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extraction factor
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extraneous factor
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F factor
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Fanning friction factor
-
fatigue notch factor
-
feedback factor
-
field form factor
-
field length factor
-
field water-distribution factor
-
fill factor
-
filter factor
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filtration factor
-
fineness factor
-
flux factor
-
food factor
-
force factor
-
form factor
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formation volume factor
-
formation-resistivity factor
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formation factor
-
fouling factor
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F-prime factor
-
frequency factor
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frequency multiplication factor
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friction factor
-
fuel factor
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fundamental factor
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gage factor
-
gain factor
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gamma factor
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gas factor
-
gas multiplication factor
-
gas producing factor
-
gas recovery factor
-
gas saturation factor
-
geometrical structure factor
-
geometrical weighting factor
-
g-factor
-
grading factor
-
granulation factor
-
grindability factor
-
growth factor
-
harmonic distortion factor
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harmonic factor
-
heat conductivity factor
-
heat gain factor
-
heat leakage factor
-
heat loss factor
-
heat-stretch factor
-
heat-transfer factor
-
host factor
-
hot-channel factor
-
hot-spot factor
-
hull-efficiency factor
-
human factor
-
hysteresis factor
-
improvement factor
-
inductance factor
-
infinite multiplication factor
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inhibitory factor
-
innovation factor
-
institutional factor
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integer factor
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integrating factor
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interlace factor
-
intermodulation factor
-
K bar factor
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Kell factor
-
lamination factor
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leakage factor
-
lethal factor
-
light-transmission factor
-
lime factor
-
limit load factor
-
linear expansion factor
-
literal factor
-
load curve irregularity factor
-
load factor
-
loading factor
-
longitudinal load distribution factor
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Lorentz factor
-
loss factor
-
luminance factor
-
luminosity factor
-
magnetic form factor
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magnetic leakage factor
-
magnetic loss factor
-
magnification factor
-
maximum enthalpy rise factor
-
membrane swelling factor
-
minimum noise factor
-
mismatch factor
-
mode I stress intensity factor
-
mode II stress intensity factor
-
mode III stress intensity factor
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modifying factor
-
modulation factor
-
modulus factor of reflux
-
moment intensity factor
-
mu factor
-
multiplication factor
-
multiplicity factor
-
multiplying factor
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Murphree efficiency factor
-
mutual coupling factor
-
mutual inductance factor
-
natural factor
-
negative phase-sequence current factor
-
negative phase-sequence voltage factor
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neutron multiplication factor
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noise factor
-
nonlinearity factor
-
notch concentration factor
-
notch factor
-
numerical factor
-
obturation factor
-
oil factors
-
oil recovery factor
-
oil saturation factor
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oil shrinkage factor
-
opening mode stress intensity factor
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operating factor
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operating load factor
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operational factor
-
operation factor
-
optimum noise factor
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orbit burden factor
-
output factor
-
overcurrent factor
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overload factor
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pacing factor
-
packing factor
-
paratypic factor
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partial safety factor for load
-
partial safety factor for material
-
particle-reduction factor
-
passenger load factor
-
peak factor
-
peak responsibility factor
-
peak-load effective duration factor
-
penetration factor
-
performance factor
-
permeability factor
-
phase factor
-
phase-angle correction factor
-
phasor power factor
-
physiographic factor
-
pitch differential factor
-
pitch factor
-
plain-strain stress intensity factor
-
plane-earth factor
-
plant capacity factor
-
plant-load factor
-
plant-use factor
-
porosity factor
-
positive phase-sequence current factor
-
positive phase-sequence voltage factor
-
potential transformer correction factor
-
powder factor
-
power factor
-
power filling factor
-
primary phase factor
-
primary factor
-
prime factor
-
proof/ultimate factor
-
propagation factor
-
propagation meteorological factor
-
propagation terrain factor
-
proportionality factor
-
proximity factor
-
pulsation factor
-
quality factor
-
R factor
-
radiance factor
-
radio-interference suppression factor
-
readiness factor
-
recombinogenic factor
-
recovery factor
-
rectification factor
-
reduction factor
-
redundancy improvement factor
-
reflection factor
-
reflectivity factor
-
refraction factor
-
refrigerating factor
-
reheat factor
-
relative loss factor
-
relative severity factor
-
release factor
-
reliability demonstration factor
-
reliability factor
-
relocation factor
-
repairability factor
-
repeatability factor
-
reservoir volume factor
-
reset factor of relay
-
resistance transfer factor
-
restorability factor
-
revenue load factor
-
ripple factor
-
risk factor
-
rolling shape factor
-
roll-off factor
-
roughness factor
-
runoff factor
-
safety factor for dropout of relay
-
safety factor for pickup of relay
-
safety factor of insulation
-
safety factor
-
sag factor
-
saturation factor
-
scale factor
-
scaling factor
-
screening factor
-
screen factor
-
secondary-electron-emission factor
-
self-transmissible factor
-
separation factor
-
service factor
-
sex factor
-
shadow factor
-
shape factor
-
sheet ratio factor
-
shielding factor
-
shield factor
-
shrinkage factor
-
signal-to-noise improvement factor
-
size factor
-
skew factor
-
slant-range correction factor
-
sliding factor
-
slip factor
-
smoothing factor
-
snagging factor
-
soap factor
-
social factor
-
socioeconomic factor
-
solubility factor
-
sound absorption factor
-
space factor of winding
-
space factor
-
spreading factor
-
squeezing factor
-
stability factor
-
stacking factor
-
stage amplification factor
-
standing-wave factor
-
steam reduction factor
-
steam-zone shape factor
-
storage factor
-
stowage factor
-
strain concentration factor
-
streamflow formation factor
-
strength factor
-
stress concentration factor
-
stress intensity factor
-
stretch factor
-
structure factor
-
submergence factor
-
summability factor
-
superficial friction factor
-
support factor
-
surface correction factor
-
surface-area factor
-
tapping factor
-
technical preparedness factor
-
telephone influence factor
-
termination factor
-
terrain factor
-
thermal eta factor
-
thermal factor
-
thermal utilization factor
-
thermodynamic factor
-
thrust-deduction factor
-
time factor
-
time-scale factor
-
tire size factor
-
tooth factor
-
transfer factor
-
transmission factor
-
transport factor
-
traveling-wave factor
-
trigger factor
-
truck service factor
-
tuning factor
-
turbidity factor
-
turbulence factor
-
twist factor
-
U-factor
-
unavailability factor
-
unbalance factor
-
unit conversion factor
-
usage factor
-
utilization factor
-
vacuum factor
-
velocity gain factor
-
velocity factor
-
viscosity factor
-
void factor
-
voltage amplification factor
-
voltage amplitude factor
-
voltage ripple factor
-
voltage unbalance factor
-
voltage waveform distortion factor
-
volume-utilization factor
-
wake factor
-
water encroachment factor
-
water saturation factor
-
waveform distortion factor
-
wear factor
-
weather-forming factor
-
weight load factor
-
weighting factor
-
weight factor
-
winding factor
-
wobble factor
-
wood swelling factor
-
work factor
-
yield factor
-
zero phase-sequence current factor
-
zero phase-sequence voltage factor -
9 кратность насыщения
Большой англо-русский и русско-английский словарь > кратность насыщения
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10 кратность насыщения
Англо-русский словарь технических терминов > кратность насыщения
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11 przeciążalność obwodu prądowego
• overcurrent factorSłownik polsko-angielski dla inżynierów > przeciążalność obwodu prądowego
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12 кратность насыщения
Русско-английский политехнический словарь > кратность насыщения
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13 ylivirtasuhde
• overcurrent ratio• overcurrent factor -
14 коэффициент перегрузки
1) Aviation: acceleration factor, g-load factor2) Engineering: overcurrent factor, overload factor, partial safety factor for load3) Telecommunications: overload coefficient4) Astronautics: g-factor, load factor5) Transport: transshipment factor6) Oil&Gas technology overloading ratio7) Electrical engineering: (допустимой длительной для электрообрудования) service factorУниверсальный русско-английский словарь > коэффициент перегрузки
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15 кратность насыщения
Engineering: overcurrent factorУниверсальный русско-английский словарь > кратность насыщения
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16 Bemessungsüberstromziffer
Deutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > Bemessungsüberstromziffer
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17 Überstromfaktor
Überstromfaktor m overcurrent factorDeutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > Überstromfaktor
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18 перегрузка
1) General subject: overburden, overfreight, overpressure, rehandling, overcharge, overwork, surcharge, transshipment, over load2) Geology: out-of-balance load4) Naval: supercharge, supercharging5) Medicine: blockade, overexertion, overstrain6) Military: ( over) load factor, blue-out, (с одного вида транспорта на другой) transshipment7) Engineering: acceleration (в полете от ускорения), blocking, congestion (напр. линии связи), flooding, impaction, load rejection, ol, over load factor, overcharging, overdrive, overload, overshoot (усилителя выходным сигналом), overtaxing (линий, пунктов подачи электроэнергии), overtolerance load, spillover, surcharge load, thrashing (системы управления виртуальной памяти), transfer, transloading, transshipment (с одного вида транспорта на другой)8) Chemistry: overstraining9) Construction: abnormal loading, overburden pressure, overloading, stalling load, supercharge loading, surcharge loading10) Mathematics: transferring11) Railway term: transfer work (напр. на автотранспорт), transhipping12) Law: trans-shipment13) Economy: overloading (транспортного средства), overuse (производственных мощностей), reshipment, strain, transhipment14) Accounting: shifting15) Automobile industry: excess weight, extra duty, freight handling, handling, overweight, rebooking, reloading16) Mining: over-load, overfeeding, transloading (материалов), transshipment (для транспортировки)17) Forestry: transfering (напр. лесоматериалов с автомобиля на железнодорожную платформу)18) Metallurgy: overstress19) Polygraphy: surcharges21) Textile: load-up22) Information technology: congestion (каналов связи), overrun (области, массива), overrunning, starvation23) Oil: excess load, thrasing24) Astronautics: G-load, acceleration force, acceleration in gravity, acceleration in gravity units, acceleration load, g-factor, g-force, g-loading, gravity load, load factor, overflux, rap25) Coolers: overloading (напр. компрессора)26) Ecology: overburdening27) Advertising: overworked capacity28) Household appliances: traffic overflow, traffic overload29) Drilling: straining30) Oilfield: overload overcharging31) Programming: overloading (Использование одного и того же имени для функций с разной сигнатурой (набором параметров). В некоторых текстах используется словосочетание "совместное использование")32) Automation: over-tolerance load, override, overstressing, pick-and-place, reload33) Quality control: overriding (измерительного прибора), straining (машины), supercharge load34) General subject: overcurrent (бортовой электросети)35) Aviation medicine: G-effect, acceleration factor, back acceleration, forward acceleration, head acceleration, left acceleration, load, overload (ing), overload phenomenon, right acceleration, tailward acceleration36) Makarov: blocking (на дороге), congestion (на дороге), excessive load, g-load (летательного аппарата), g-loading (летательного аппарата), load factor (летательного аппарата), overload (превышение нормальный нагрузки), overload (реки обломочным материалом), overshoot (усилителя входным сигналом), spillover (сети), surcharge (напр. трубопровода), surcharge (напр., трубопровода), transshipment (с одного судна на другое)37) Security: congestion (канала связи)38) Logistics: cargo transfer, reshipping, transferring cargo39) Aluminium industry: transfer point41) Electrical engineering: reload (топлива в ядерном реакторе)42) Cement: over-capacity43) Organized crime: trans-shipment of firearms (огнестрельного оружия) -
19 длительный допустимый ток
- Strombelastbarkeit, f
- Dauerstrombelastbarkeit, f
(длительный) допустимый ток
Максимальное значение электрического тока, который может протекать длительно по проводнику, устройству или аппарату при определенных условиях без превышения определенного значения их температуры в установившемся режиме
[ ГОСТ Р МЭК 60050-826-2009]
Этот ток обозначают IZ
[ ГОСТ Р 50571. 1-2009 ( МЭК 60364-1: 2005)]EN
(continuous) current-carrying capacity
ampacity (US)
maximum value of electric current which can be carried continuously by a conductor, a device or an apparatus, under specified conditions without its steady-state temperature exceeding a specified value
[IEV number 826-11-13]
ampacity
The current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
[National Electrical Cod]FR
courant (permanent) admissible, m
valeur maximale du courant électrique qui peut parcourir en permanence, un conducteur, un dispositif ou un appareil, sans que sa température de régime permanent, dans des conditions données, soit supérieure à la valeur spécifiée
[IEV number 826-11-13]Ampacity, the term is defined as the maximum amount of current a cable can carry before sustaining immediate or progressive deterioration. Also described as current rating or current-carrying capacity, is the RMS electric current which a device can continuously carry while remaining within its temperature rating. The ampacity of a cable depends on:
- its insulation temperature rating;
- conductor electrical properties for current;
- frequency, in the case of alternating currents;
- ability to dissipate heat, which depends on cable geometry and its surroundings;
- ambient temperature.
Electric wires have some resistance, and electric current flowing through them causes voltage drop and power dissipation, which heats the cable. Copper or aluminum can conduct a large amount of current before melting, but long before the conductors melt, their insulation would be damaged by the heat.
The ampacity for a power cable is thus based on physical and electrical properties of the material & construction of the conductor and of its insulation, ambient temperature, and environmental conditions adjacent to the cable. Having a large overall surface area may dissipate heat well if the environment can absorb the heat.
In a long run of cable, different conditions govern, and installation regulations normally specify that the most severe condition along the run governs the cable's rating. Cables run in wet or oily locations may carry a lower temperature rating than in a dry installation. Derating is necessary for multiple circuits in close proximity. When multiple cables are near, each contributes heat to the others and diminishes the amount of cooling air that can flow past the individual cables. The overall ampacity of the insulated conductors in a bundle of more than 3 must be derated, whether in a raceway or cable. Usually the de-rating factor is tabulated in a nation's wiring regulations.
Depending on the type of insulating material, common maximum allowable temperatures at the surface of the conductor are 60, 75 and 90 degrees Celsius, often with an ambient air temperature of 30°C. In the U.S., 105°C is allowed with ambient of 40°C, for larger power cables, especially those operating at more than 2 kV. Likewise, specific insulations are rated 150, 200 or 250°C.
The allowed current in cables generally needs to be decreased (derated) when the cable is covered with fireproofing material.
For example, the United States National Electric Code, Table 310-16, specifies that up to three 8 AWG copper wires having a common insulating material (THWN) in a raceway, cable, or direct burial has an ampacity of 50 A when the ambient air is 30°C, the conductor surface temperature allowed to be 75°C. A single insulated conductor in air has 70 A rating.
Ampacity rating is normally for continuous current, and short periods of overcurrent occur without harm in most cabling systems. The acceptable magnitude and duration of overcurrent is a more complex topic than ampacity.
When designing an electrical system, one will normally need to know the current rating for the following:- Wires
- Printed Circuit Board traces, where included
- Fuses
- Circuit breakers
- All or nearly all components used
Some devices are limited by power rating, and when this power rating occurs below their current limit, it is not necessary to know the current limit to design a system. A common example of this is lightbulb holders.
[http://en.wikipedia.org/wiki/Ampacity]
Тематики
- электротехника, основные понятия
Синонимы
EN
DE
- Dauerstrombelastbarkeit, f
- Strombelastbarkeit, f
FR
- courant admissible, m
- courant permanent admissible, m
Русско-немецкий словарь нормативно-технической терминологии > длительный допустимый ток
-
20 courant admissible, m
(длительный) допустимый ток
Максимальное значение электрического тока, который может протекать длительно по проводнику, устройству или аппарату при определенных условиях без превышения определенного значения их температуры в установившемся режиме
[ ГОСТ Р МЭК 60050-826-2009]
Этот ток обозначают IZ
[ ГОСТ Р 50571. 1-2009 ( МЭК 60364-1: 2005)]EN
(continuous) current-carrying capacity
ampacity (US)
maximum value of electric current which can be carried continuously by a conductor, a device or an apparatus, under specified conditions without its steady-state temperature exceeding a specified value
[IEV number 826-11-13]
ampacity
The current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
[National Electrical Cod]FR
courant (permanent) admissible, m
valeur maximale du courant électrique qui peut parcourir en permanence, un conducteur, un dispositif ou un appareil, sans que sa température de régime permanent, dans des conditions données, soit supérieure à la valeur spécifiée
[IEV number 826-11-13]Ampacity, the term is defined as the maximum amount of current a cable can carry before sustaining immediate or progressive deterioration. Also described as current rating or current-carrying capacity, is the RMS electric current which a device can continuously carry while remaining within its temperature rating. The ampacity of a cable depends on:
- its insulation temperature rating;
- conductor electrical properties for current;
- frequency, in the case of alternating currents;
- ability to dissipate heat, which depends on cable geometry and its surroundings;
- ambient temperature.
Electric wires have some resistance, and electric current flowing through them causes voltage drop and power dissipation, which heats the cable. Copper or aluminum can conduct a large amount of current before melting, but long before the conductors melt, their insulation would be damaged by the heat.
The ampacity for a power cable is thus based on physical and electrical properties of the material & construction of the conductor and of its insulation, ambient temperature, and environmental conditions adjacent to the cable. Having a large overall surface area may dissipate heat well if the environment can absorb the heat.
In a long run of cable, different conditions govern, and installation regulations normally specify that the most severe condition along the run governs the cable's rating. Cables run in wet or oily locations may carry a lower temperature rating than in a dry installation. Derating is necessary for multiple circuits in close proximity. When multiple cables are near, each contributes heat to the others and diminishes the amount of cooling air that can flow past the individual cables. The overall ampacity of the insulated conductors in a bundle of more than 3 must be derated, whether in a raceway or cable. Usually the de-rating factor is tabulated in a nation's wiring regulations.
Depending on the type of insulating material, common maximum allowable temperatures at the surface of the conductor are 60, 75 and 90 degrees Celsius, often with an ambient air temperature of 30°C. In the U.S., 105°C is allowed with ambient of 40°C, for larger power cables, especially those operating at more than 2 kV. Likewise, specific insulations are rated 150, 200 or 250°C.
The allowed current in cables generally needs to be decreased (derated) when the cable is covered with fireproofing material.
For example, the United States National Electric Code, Table 310-16, specifies that up to three 8 AWG copper wires having a common insulating material (THWN) in a raceway, cable, or direct burial has an ampacity of 50 A when the ambient air is 30°C, the conductor surface temperature allowed to be 75°C. A single insulated conductor in air has 70 A rating.
Ampacity rating is normally for continuous current, and short periods of overcurrent occur without harm in most cabling systems. The acceptable magnitude and duration of overcurrent is a more complex topic than ampacity.
When designing an electrical system, one will normally need to know the current rating for the following:- Wires
- Printed Circuit Board traces, where included
- Fuses
- Circuit breakers
- All or nearly all components used
Some devices are limited by power rating, and when this power rating occurs below their current limit, it is not necessary to know the current limit to design a system. A common example of this is lightbulb holders.
[http://en.wikipedia.org/wiki/Ampacity]
Тематики
- электротехника, основные понятия
Синонимы
EN
DE
- Dauerstrombelastbarkeit, f
- Strombelastbarkeit, f
FR
- courant admissible, m
- courant permanent admissible, m
Франко-русский словарь нормативно-технической терминологии > courant admissible, m
- 1
- 2
См. также в других словарях:
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