-
21 anticipare
anticipatedenaro pay in advancepartenza, riunione et cetera bring forward* * *anticipare v.tr.1 to anticipate; ( denaro) to advance: anticipare la partenza, to anticipate one's departure; anticipare una somma, to pay a sum in advance; ( imprestarla) to advance a sum // anticipare un'idea, to anticipate an idea // anticipare i tempi, to be ahead of one's time // (mecc.) anticipare l'accensione, to advance the ignition2 ( far sapere, divulgare) to divulge, to disclose: anticipare il contenuto di una relazione, dei colloqui, to divulge (o to disclose) the outcome of a paper, of the meetings3 ( prevenire) to anticipate, to forestall: anticipare le mosse di qlcu., to forestall s.o.'s moves; anticipare le obiezioni di qlcu., to anticipate s.o.'s objections◆ v. intr. to come* early, to arrive early; to happen early: quest'anno il caldo ha anticipato, this year the warm weather has come early; il treno ha anticipato di dieci minuti, the train was ten minutes early.* * *[antitʃi'pare]1. vt1) (spostare prima nel tempo) to bring forwardanticipare i tempi — (accelerare) to speed things up, (precorrere) to be ahead of one's time
2) (precedere: reazione, risposta) to anticipateanticipare la palla/l'avversario Sport — to keep ahead of the ball/one's opponent
3) (sorpresa, notizia) to reveal4) (pagare) to pay in advance, (prestare) to lend2. vianticipare di un'ora — to come o arrive an hour earlier
* * *[antitʃi'pare] 1.verbo transitivo1) (fare in anticipo) to bring* forward [nozze, partenza] (di by); to advance [ data]2) (dire in anticipo) to tell* [sth.] in advance [ risultati]3) (pagare in anticipo) to pay* [sth.] in advance; (prestare) to advance [ somma]4) (prevenire) to forestall [azione, persona]2.anticipare le mosse di qcn. — to second-guess sb
••anticipare i tempi — (accelerare) to speed up things; (precorrere) to be ahead of the times
* * *anticipare/antit∫i'pare/ [1]1 (fare in anticipo) to bring* forward [nozze, partenza] (di by); to advance [ data]2 (dire in anticipo) to tell* [sth.] in advance [ risultati]4 (prevenire) to forestall [azione, persona]; anticipare le mosse di qcn. to second-guess sb. -
22 анод
anode, ( в гальванических и аккумуляторных элементах) cathode, ( фотоэлемента) collector, positive electrode, ( диодного тиристора) anode gate, plate амер., target* * *ано́д м.1. ( положительный электрод источника тока) anodeвключа́ть в ка́честве ано́да ( в электролизёре) — set up as anodeосажда́ться, разлага́ться и т. п. на ано́де ( при электролизе) — deposit, decompose, etc. at the anodeсоединя́ть изде́лие с ано́дом — make the workpiece the anode2. ( электрод электровакуумного прибора) брит. anode; амер. plate; жарг. anode circuit, anode leadвключа́ть в ано́д — place [connect] in the anode circuit [anode lead]ано́д като́дно-лучево́й тру́бки, второ́й — second [accelerating] anodeано́д като́дно-лучево́й тру́бки, оконе́чный — final anodeано́д като́дно-лучево́й тру́бки, пе́рвый — first [focusing] anodeано́д като́дно-лучево́й тру́бки, послеускори́тельный — post-acceleration [intensifier] electrodeано́д като́дно-лучево́й тру́бки, тре́тий — post-acceleration [intensifier] electrodeано́д като́дно-лучево́й тру́бки, ускоря́ющий — second [accelerating] anodeано́д като́дно-лучево́й тру́бки, фокуси́рующий — first [focusing] anodeано́д радиола́мпы — брит. anode; амер. plateано́д рентге́новской тру́бки, враща́ющийся — rotating target, rotating anodeано́д рентге́новской тру́бки простре́льного ти́па — through-type [transmission-type] targetано́д рту́тного выпрями́теля, возбужда́ющий — keep-alive [excitation, holding] anodeано́д рту́тного выпрями́теля, гла́вный — main anodeано́д рту́тного выпрями́теля, дежу́рный — keep-alive [excitation, holding] anodeано́д рту́тного выпрями́теля, зажига́ющий — ignition [starting] anodeсвобо́дный ано́д радио — floating anodeано́д то́пливного элеме́нта — fuel anodeано́д тру́бки с па́мятью, запи́сывающий — writing anodeано́д тру́бки с па́мятью, счи́тывающий — reading anodeано́д электролизё́ра — (electrolytic-cell) anodeано́д электролизё́ра, жи́дкий — liquid anode, anode layerано́д электролизё́ра, самоспека́ющийся — self-baking [Sцderberg ] anode -
23 restriking voltage
- напряжение повторного зажигания (дуги)
- напряжение возникновения разряда (в газоразрядном приборе)
- восстанавливающееся напряжение
восстанавливающееся напряжение
Напряжение, появляющееся на выводах полюса автоматического выключателя после отключения тока.
Примечания
1 Это напряжение можно рассматривать на протяжении двух последовательных интервалов времени, на первом из которых напряжение переходное, а на последующем втором — напряжение промышленной частоты.
2 Это определение действительно для однополюсного выключателя. Для многополюсного выключателя — это напряжение между входными выводами аппарата
(МЭС 441-17-25)
[ ГОСТ Р 50345-99( МЭК 60898-95)]
восстанавливающееся напряжение
-
[Лугинский Я. Н. и др. Англо-русский словарь по электротехнике и электроэнергетике. 2-е издание - М.: РУССО, 1995 - 616 с.]EN
recovery voltage
the voltage which appears across the terminals of a pole of a switching device or a fuse after the breaking of the current
NOTE – This voltage may be considered in two successive intervals of time, one during which a transient voltage exists, followed by a second one during which the power frequency or the steady-state recovery voltage alone exists.
[IEV number 441-17-25]FR
tension de rétablissement
tension qui apparaît entre les bornes d'un appareil de connexion ou d'un fusible après l'interruption du courant
NOTE – Cette tension peut être considérée durant deux intervalles de temps consécutifs, l'un durant lequel existe une tension transitoire, suivi par un second intervalle durant lequel la tension de rétablissement à fréquence industrielle ou en régime établi existe seule
[IEV number 441-17-25]Тематики
- выключатель, переключатель
- высоковольтный аппарат, оборудование...
EN
- cleaning voltage
- recovery voltage
- restoring voltage
- restriking voltage
- transient recovery voltage
- TRV
DE
FR
напряжение возникновения разряда (в газоразрядном приборе)
—
[Я.Н.Лугинский, М.С.Фези-Жилинская, Ю.С.Кабиров. Англо-русский словарь по электротехнике и электроэнергетике, Москва, 1999]Тематики
- электротехника, основные понятия
EN
напряжение повторного зажигания (дуги)
—
[Я.Н.Лугинский, М.С.Фези-Жилинская, Ю.С.Кабиров. Англо-русский словарь по электротехнике и электроэнергетике, Москва, 1999]Тематики
- электротехника, основные понятия
EN
Англо-русский словарь нормативно-технической терминологии > restriking voltage
-
24 cycle
2) цикл, круговой процесс ( в термодинамике)•cycles per second — герц, Гц;cycle of operation — 1. рабочий цикл 2. цикл заряд - разряд-
ac cycle
-
access cycle
-
ammonia cycle
-
automatic lubrication cycle
-
automatic probing cycle
-
automatic repeat cycle
-
binary cycle
-
binary-vapor cycle
-
biological cycle
-
braking cycle
-
Brayton cycle
-
brine cycle
-
burning cycle
-
burn-out cycle
-
canned milling cycle
-
Carno cycle
-
catalyst cycle
-
charge/discharge cycle
-
charging cycle
-
clock cycle
-
closed cycle
-
closed fuel cycle
-
CNC cycle
-
coal gasification-combined cycle
-
code generation cycle
-
co-located fuel cycle
-
completely reversed stress cycle
-
component drain cycle
-
composite cycle
-
compression ignition cycle
-
compression refrigeration cycle
-
computer cycle
-
constant-pressure cycle
-
continuous face cycle
-
CPU cycle
-
cross-progeny fuel cycle
-
denatured fuel cycle
-
digging cycle
-
direct steam cycle
-
direct-expansion cycle
-
display cycle
-
diurnal cycle
-
drawdown-refill cycle
-
drifting cycle
-
drive cycle
-
duty cycle
-
energy conversion cycle
-
equilibrium fuel cycle
-
equipressure cycle
-
extended-burnup fuel cycle
-
fatigue cycle
-
fetch cycle
-
filter cycle
-
fixed control cycle
-
fluctuation cycle
-
four-stroke cycle
-
freeze-thaw cycle
-
fuel cycle
-
fuel-breeding cycle
-
fusion fuel cycle
-
gas turbine cycle
-
gas-turbine power cycle
-
generator cycle
-
glacial cycle
-
half cycle
-
haul cycle
-
heat cycle
-
heat power cycle
-
heat reclaim cycle
-
heating cycle
-
helium cycle
-
highway driving cycle
-
hydrogen cycle
-
hydrologic cycle
-
hysteresis cycle
-
ideal adiabatic cycle
-
ideal cycle
-
indirect-fired gas turbine cycle
-
injection refrigeration cycle
-
inspection cycle
-
instruction cycle
-
intermittent cycle
-
interstate driving cycle
-
Joule cycle
-
life cycle
-
limit cycle
-
Linde cycle
-
load-haul-dump cycle
-
loading cycle
-
low-proliferation risk fuel cycle
-
machine cycle
-
machining cycle
-
magnetic cycle
-
mean cycles between failures
-
mechano-chemical cycle
-
memory cycle
-
moisture cycle
-
multipressure cycle
-
neutron cycle
-
nitrogen cycle
-
NTSC four-field cycle
-
nuclear fuel cycle
-
null cycle
-
once-through fuel cycle
-
on-duty cycle
-
on-off use cycle
-
open cycle
-
open fuel cycle
-
operating cycle
-
operation cycle
-
operational cycle
-
out-of-pile fuel cycle
-
PAL eight-field cycle
-
pallet transfer cycle
-
photographic cycle
-
picture cycle
-
Plank cycle
-
postreactor fuel cycle
-
power generation cycle
-
power cycle
-
precoat cycle
-
preprogrammed cycle
-
pressure cycle
-
processing cycle
-
program cycle
-
programming cycle
-
quasi-biennial cycle
-
Rankine cycle
-
redox cycle
-
refrigeration cycle
-
regeneration cycle
-
regrind cycle
-
reheating cycle
-
reheat cycle
-
repeated-stress cycle
-
repetitive dressing cycle
-
retention cycle
-
reversed-stress cycle
-
reversible cycle
-
ringing cycle
-
search cycle
-
SECAM twelve-field cycle
-
service cycle
-
setup cycle
-
shutter cycle
-
single turbo-compressor rotor cycle
-
single-loop steam cycle
-
single-reheat cycle
-
sinking cycle
-
skipped cycle
-
sodium cycle
-
software life cycle
-
specialized machining cycle
-
standard rating cycle
-
steam cycle
-
steam-jet refrigeration cycle
-
steam-power cycle
-
steam-water cycle
-
Stirling cycle
-
storage cycle
-
strain cycle
-
stress cycle
-
suburban driving cycle
-
sunspot cycle
-
symbiotic fuel cycle
-
tailout cycle
-
tap-to-tap cycle
-
test cycle
-
thermal cycle
-
thermal fatigue cycle
-
thermodynamic cycle
-
thorium-based fuel cycle
-
thorium fuel cycle
-
three-loop steam cycle
-
throw-away fuel cycle
-
tidal cycle
-
timing cycle
-
tool inspection cycle
-
total cycle
-
Tripol ammonia cycle
-
two-loop steam cycle
-
two-stroke cycle
-
typical machining cycle
-
uranium cycle
-
urban driving cycle
-
vapor-compression refrigerating cycle
-
vapor-compression refrigeration cycle
-
vital cycle
-
voltage cycle
-
water cycle
-
work cycle
-
xenon poisoning cycle
-
zero-to-compression stress cycle
-
zero-to-tension stress cycle -
25 воспламенение топлива в двигателе второй ступени
Astronautics: second-stage ignitionУниверсальный русско-английский словарь > воспламенение топлива в двигателе второй ступени
-
26 temperature
* * *•
- baking temperature
- barrel zone temperature
- brittle temperature
- core temperature
- curing temperature
- drying temperature
- elevated temperature
- extrudate temperature
- flow temperature
- forced drying temperature
- forming temperature
- freezing temperature
- fusion temperature
- heat distortion temperature
- Martens temperature
- maximum permissible service temperature
- peak exoterm temperature
- processing temperature
- second order transition temperature
- self-ignition temperature
- stock temperature
- sub-zero temperature
- surface temperature
- thermal degradation temperature
- transition temperature
- Vicat softening temperature
- yield temperatureEnglish-russian plastics terminology dictionary > temperature
-
27 interference
1) помеха, помехи•- active interference
- additive interference
- adjacent-channel interference
- alternate-channel interference
- anisotropic interference
- antenna-conducted interference
- atmospheric interference
- attractor interference
- background interference
- back-lobe interference
- beat interference
- broad-band interference
- broadcast interference
- burst interference
- co-channel interference
- common-mode interference
- conducted interference
- constructive interference
- corona-generated interference
- cosmic interference
- cross-color interference
- cross-polarization interference
- cross-talk interference
- destructive interference
- diathermy interference
- electrical interference - Gaussian interference
- harmful interference
- harmonic interference
- heterodyne interference
- ignition interference
- image interference
- in-band interference
- inductive interference
- industrial interference
- interchannel interference
- intermediate-frequency harmonic interference
- intermodulation interference
- interpulse interference
- intersymbol interference
- malicious interference
- man-made interference
- microwave interference
- modal interference
- multipath interference
- multiple interference
- multiple-beam interference
- multiplicative interference
- multitone interference
- mutual interference
- narrow-band interference
- natural interference
- noise interference
- optical interference
- oscillator harmonic interference
- out-of-band interference
- over-reach interference
- partial-band interference
- passive interference
- power-line interference
- pulse interference
- radiated interference
- radio interference
- radio-frequency interference
- radio-station interference
- scanning-line interference
- second-channel interference
- selective interference
- sideband interference
- side-lobe interference
- spread-spectrum interference
- spur interference
- telegraph interference
- television interference
- transient interference
- two-beam interference
- wave interference -
28 voltage
1) напряжение, разность потенциалов2) потенциал•- accelerating voltagevoltage across — напряжение на (напр. зажимах)
- acceleration voltage
- active voltage
- actuating voltage
- allowable voltage
- alternating voltage
- anode voltage
- anode breakdown voltage
- anode-cathode voltage
- anode-to-cathode voltage
- applied voltage
- arc voltage
- arc-drop voltage
- asymptotic breakdown voltage
- avalanche voltage
- avalanche breakdown voltage
- average voltage
- back voltage
- balanced voltages
- barrier voltage
- base voltage
- baseband voltage
- base-to-emitter voltage
- bath voltage
- bias voltage
- birefringence threshold voltage
- black-out voltage
- blanking voltage
- blocking voltage
- blue video voltage
- booster voltage
- branch voltage
- breakdown voltage
- breakover voltage
- bridge supply voltage
- bucking voltage
- built-in voltage
- bus voltage
- calibration voltage
- capacitor voltage
- catcher voltage
- cathode voltage
- cathode sheath voltage
- cathode storage-element equilibrium voltage
- cell voltage
- charge voltage
- circuit voltage
- clamp voltage
- clock voltage
- closed-circuit voltage
- coercive voltage
- collector voltage
- collector breakdown voltage
- collector storage-element equilibrium voltage
- collector-to-base voltage
- collector-to-emitter voltage
- color voltage
- commercial-frequency voltage
- common-mode voltage
- commutating voltage
- compensating voltage
- complex voltage
- compliance voltage
- composite controlling voltage
- computer voltage
- constant voltage
- contact voltage
- control voltage
- control-circuit voltage
- convergence voltage
- corona start voltage
- counter voltage
- crest voltage
- critical voltage
- critical anode voltage
- critical grid voltage
- crossover voltage
- current-resistance voltage
- cutoff voltage
- dc voltage
- decelerating voltage
- decomposition voltage
- deflecting voltage
- derivative voltage
- dielectric breakdown voltage
- differential-mode voltage
- dipole voltage
- dipole barrier voltage
- direct voltage
- discharge voltage
- disruptive discharge voltage
- domain voltage
- drain voltage
- driving voltage
- drop-away voltage
- drop-out voltage
- effective voltage
- electric voltage
- electrode voltage
- emitter voltage
- equilibrium voltage
- error voltage
- excess voltage
- excess domain voltage
- excitation voltage
- extinction voltage
- extinguishing voltage
- extra-high voltage
- Faraday voltage
- field voltage
- filament voltage
- final voltage
- firing voltage
- first breakdown voltage
- first crossover voltage
- flashback voltage
- flashover voltage
- flat-band voltage
- floating voltage
- fluctuation voltage
- flyback voltage
- focusing voltage
- formation voltage
- forming voltage
- forward voltage
- forward breakover voltage
- forward gate voltage
- fuel-cell voltage
- gate voltage
- gate nontrigger voltage
- gate trigger voltage
- gate turn-off voltage
- generated voltage
- gradient-established storage-element equilibrium voltage
- green-video voltage
- grid voltage
- half-wave voltage
- Hall voltage
- heater voltage
- high voltage
- high-level voltage
- holding voltage
- ignition voltage
- impressed voltage
- induced voltage
- inflection-point voltage
- initial voltage
- initial inverse voltage
- injected voltage
- in-phase voltage
- input voltage
- input error voltage
- interference voltage
- internal correction voltage
- inverse voltage
- ionization voltage
- junction voltage
- keep-alive voltage
- kickback voltage
- line voltage
- link voltage
- load voltage
- logical-threshold voltage
- low-level voltage
- magnetron critical voltage
- mains voltage
- maintaining voltage
- mask voltage
- minimum off-state voltage
- neutralizing voltage
- node voltage
- node-to-datum voltage
- noise voltage
- no-load voltage
- nominal voltage
- offset voltage
- off-load voltage
- off-state voltage
- on-load voltage
- on-state voltage
- open-circuit voltage
- operating voltage
- oscillating voltage
- out-of-balance voltages
- out-of-phase voltage
- output voltage
- output offset voltage
- pace voltage
- peak voltage
- peak inverse voltage
- peak-point voltage
- peak reverse voltage
- peak-to-peak voltage
- periodic voltage
- permissible voltage
- phase voltage
- photoelectric voltage
- pickup voltage
- pinch-off voltage
- plate voltage
- polarizing voltage
- poling voltage
- primary voltage
- principal voltage
- projected peak-point voltage
- psophometric voltage
- pull-in voltage
- pulsating voltage
- pump voltage
- punch-through voltage
- puncture voltage
- push-pull voltages
- push-push -voltages
- rail voltage
- rated voltage
- rated impulse withstand voltage
- reactive voltage
- rectified voltage
- rectifier-load voltage
- red video voltage
- reference voltage
- reflector voltage
- reignition voltage
- residual voltage
- resistance voltage
- resonance voltage
- reverse voltage
- reverse-bias voltage
- reverse-bias breakdown voltage
- ripple voltage
- root-mean-square voltage
- saturation voltage
- sawtooth voltage
- scanning voltage
- screen-grid voltage
- secondary voltage
- secondary-emission crossover voltage
- second-crossover voltage
- self-breakdown voltage
- self-firing voltage
- self-induction voltage
- shot-noise voltage
- signal voltage
- single-ended input voltage
- single-ended output voltage
- sinusoidal voltage
- source voltage
- square-wave voltage
- stabilized voltage
- staircase voltage
- starter breakdown voltage
- starting voltage
- step voltage
- storage-element equilibrium voltage
- supply voltage
- surge voltage
- sweep voltage
- swing voltage
- switching voltage
- synchronousvoltage
- tank voltage
- target voltage
- temperature voltage
- thermocouple voltage
- thermoelectric voltage
- threshold voltage
- time-base voltage
- touch voltage
- tree-branch voltage
- tunnel breakdown voltage
- ultrahigh voltage
- unit step voltage
- valley voltage
- variable voltage
- working voltage
- Zener voltage -
29 point
•
- blocking point
- breaking point
- brittle point
- burning point
- chill point
- congealing point
- dew-point
- drop point
- fire point
- flammability point
- flash point
- flooding point
- flow point
- freezing point
- fusion point
- gel point
- heat distortion point
- ignition point
- inflammability point
- initial boiling point
- liquefying point
- melting point
- plastic yield point
- pour point
- second order transition point
- set point
- setting point
- softening point
- solidification point
- stalling point
- yield point -
30 interference
1) помеха, помехи•- active interference
- additive interference
- adjacent-channel interference
- alternate-channel interference
- anisotropic interference
- antenna-conducted interference
- atmospheric interference
- attractor interference
- background interference
- back-lobe interference
- beat interference
- broad-band interference
- broadcast interference
- burst interference
- co-channel interference
- common-mode interference
- conducted interference
- constructive interference
- corona-generated interference
- cosmic interference
- cross-color interference
- cross-polarization interference
- cross-talk interference
- destructive interference
- diathermy interference
- electrical interference
- electromagnetic interference
- electronic interference
- Gaussian interference
- harmful interference
- harmonic interference
- heterodyne interference
- ignition interference
- image interference
- in-band interference
- inductive interference
- industrial interference
- interchannel interference
- intermediate-frequency harmonic interference
- intermodulation interference
- interpulse interference
- intersymbol interference
- malicious interference
- man-made interference
- microwave interference
- modal interference
- multipath interference
- multiple interference
- multiple-beam interference
- multiplicative interference
- multitone interference
- mutual interference
- narrow-band interference
- natural interference
- noise interference
- optical interference
- oscillator harmonic interference
- out-of-band interference
- over-reach interference
- partial-band interference
- passive interference
- power-line interference
- pulse interference
- radiated interference
- radio interference
- radio-frequency interference
- radio-station interference
- scanning-line interference
- second-channel interference
- selective interference
- sideband interference
- side-lobe interference
- spread-spectrum interference
- spur interference
- telegraph interference
- television interference
- transient interference
- two-beam interference
- wave interferenceThe New English-Russian Dictionary of Radio-electronics > interference
-
31 заключаться
Заключаться в -- to consist in, to consist of, to reside in, to lie in; to involve; to be toThe second step in this reaction consists of a phosphorolysis of thiol ester.One of the objectives of the overall experimental program involved a visual observation of the dynamic characteristics.The most effective way is to mix the catalyst completely with the fuel prior to ignition.Заключаться в том, что-- The similarity lay in the fact that the position of the damage was the same relative to the direction of rotation and to the rod shank drilling. Заключаться не в..., а вThis suggests that the main potential for savings lies not in the design, but instead in the operating and maintenance practices.Русско-английский научно-технический словарь переводчика > заключаться
-
32 arc
-
33 lag
1) запаздывание; отставание || запаздывать; отставать2) задержка, замедление || замедлять(ся)3) теплоизоляция, термоизоляция || покрывать термоизоляцией4) инерция; инерционность; гистерезис5) геол. сброс6) горн. остаточный гравий•- operate lag of relay- rate lag- time lag- zero lag -
34 light
1. n свет2. n освещённость, видимостьin a good light — хорошо видный, хорошо освещённый; при хорошем освещении
3. n дневной свет, день, дневное время4. n иск. светлые части картины5. n воен. прожектор6. n светофор7. n маяк8. n театр. проф. рампа, огни рампыbefore the lights — у рампы, на сцене
9. n огонь, пламя, искра10. n огонёк, свет; отражение душевного волнения11. n информация, новые сведения, данные12. n гласностьto come to light — обнаруживаться, выявляться
13. n аспект, вид; восприятие14. n знаменитость, светило; светочhe was one of the shining lights of h is age — он был одним из самых выдающихся людей своего времени
shrill light — свет, режущий глаза
15. n убеждения, взгляды; уровеньhe acted according to his lights — он действовал, как ему казалось правильным
16. n просвет; окно; стекло17. n поэт. зрение18. n разг. глазаget out of the light — не мешай, уходи с дороги, не стойте на моём пути
light at the end of the tunnel — просвет ; надежда на близкую победу; намечающийся успех
by the light of nature — интуитивно, инстинктивно; естественно
19. v зажигатьput a light to — зажигать; зажечь
20. v зажигаться, загораться21. v прикуривать22. v светитьshe lit him up the stairs with the candle — пока он поднимался по лестнице, она светила ему свечкой
23. v освещать, озарять24. v освещаться, озаряться; светиться, сиять25. a лёгкий, нетяжёлыйlight as a feather — лёгкий как пух; невесомый
26. a лёгкий на ногу; проворный27. a лёгкий, рассчитанный на небольшую нагрузку28. a воен. лёгкий, облегчённого типаlight machine-gun — ручной пулемёт; облегчённый станковый пулемёт
29. a воен. имеющий лёгкое вооружение30. a неполновесный, неправильного веса31. a лёгкий, несильный, слабый32. a тонкий, деликатныйa thread of light — тонкий луч; узкая полоска света
33. a лёгкий, некрепкий34. a неплотный; негустой35. a лёгкий, воздушный, хорошо поднявшийся36. a несерьёзный; незначительный; несущественный37. a лёгкий, несложный, развлекательныйlight reading — лёгкое чтение, развлекательная литература
38. a лёгкий, небольшой, несильныйlight rain — дождик, небольшой дождь
39. a нетрудный, необременительный40. a лёгкий, несуровый41. a легкомысленный; ветреный, непостоянный42. a фривольный; распущенный43. a весёлый, беззаботный, беспечный44. a лёгкий, чуткий45. a фон. неударный46. adv легко47. v неожиданно, случайно натолкнутьсяto light on a rare book in a second-hand shop — случайно найти редкую книгу в букинистическом магазине
light on — неожиданно натолкнуться на; случайно напасть на
48. v обрушиться49. v сходить, выходитьto light off a horse — спешиться, сойти с лошади
50. v опускаться, садиться; падать51. v нападать, накидыватьсяСинонимический ряд:1. agile (adj.) agile; alert; docile; effortless; facile; nimble; royal; simple; smooth; undemanding; untroublesome2. airy (adj.) airy; delicate; feathery; weightless3. amusing (adj.) amusing; humorous; trivial4. animated (adj.) animated; cheerful; merry5. bright (adj.) bright; luminous; radiant6. dim (adj.) dim; faint; obscure7. featherlight (adj.) featherlight; featherweight; imponderous; lightweight; unheavy8. frivolous (adj.) buoyant; delirious; dizzy; fast; frivolous; light-headed; lightsome; loose; swimming; swimmy; unchaste; vertiginous; volatile; wanton; whorish9. frothy (adj.) frothy10. giddy (adj.) bird-witted; empty-headed; featherbrained; flighty; fribble; fribbling; giddy; harebrained; hoity-toity; lightheaded; rattlebrained; scatterbrained; silly; skittish; volage; yeasty11. happy (adj.) blithe; carefree; cheery; gay; happy; light-hearted; sprightly12. little (adj.) casual; insignificant; little; minute; shoestring; small; small-beer; unimportant13. soft (adj.) easy; gentle; moderate; slight; soft14. unsubstantial (adj.) inconsiderable; insubstantial; minor; petty; shallow; trifling; unsubstantial15. whitish (adj.) alabaster; blanched; bleached; blond; blonde; fair; ivory; pale; whitish16. aspect (noun) angle; approach; aspect; perspective; point of view; slant; standpoint; viewpoint17. beacon (noun) beacon; blaze; candle; fire18. beam (noun) beam; ray; shaft; stream19. brilliance (noun) brilliance; glow; shine20. dawn (noun) aurora; cockcrow; cockcrowing; dawn; dawning; daybreak; daylight; morn; morning; radiance; sunrise; sunup21. flicker (noun) flicker; glimmer22. lighting (noun) illumination; lighting; luminosity23. alight (verb) alight; come down; descend; disembark; get down; land; perch; roost; set down; settle; sit down; touch down24. enliven (verb) animate; brighten; enliven25. happen (verb) bump; chance; happen; hit; luck; meet; stumble; tumble26. ignite (verb) enkindle; fire; ignite; inflame; kindle; set afire; set fire to27. illuminate (verb) illume; illuminate; illumine; lightenАнтонимический ряд:blackness; board; burdensome; cautious; cheerless; clear; clumsy; confusion; considerable; cumbersome; dark; darken; darkness; death; deep; dense; depressed; difficult; dim; extinguish; harsh; heavy; leave; melancholy; serious; shadow; sober -
35 бескомпрессорный двигатель
1. airless injection Diesel engine2. compressionless jet engine«голый» двигатель — basic engine
дизельный двигатель — Diesel engine; diesel
Русско-английский большой базовый словарь > бескомпрессорный двигатель
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36 turn
turn [tɜ:n]tourner ⇒ 1A (a), 1B (a), 1B (d), 1C (d), 2 (a), 2 (b), 2 (f) faire tourner ⇒ 1A (a) retourner ⇒ 1B (a) changer ⇒ 1C (a) faire devenir ⇒ 1C (a) se tourner ⇒ 2 (a) se retourner ⇒ 2 (b) devenir ⇒ 2 (d) se changer ⇒ 2 (e) tour ⇒ 3 (a), 3 (d), 3 (f), 3 (g) tournant ⇒ 3 (b), 3 (c) virage ⇒ 3 (b), 3 (c) tournure ⇒ 3 (d)A.(a) (cause to rotate, move round) tourner; (shaft, axle) faire tourner, faire pivoter; (direct) diriger;∎ she turned the key in the lock (to lock) elle a donné un tour de clé (à la porte), elle a fermé la porte à clé; (to unlock) elle a ouvert la porte avec la clé;∎ turn the wheel all the way round faites faire un tour complet à la roue;∎ Cars to turn the (steering) wheel tourner le volant;∎ turn the knob to the right tournez le bouton vers la droite;∎ turn the knob to "record" mettez le bouton en position "enregistrer";∎ she turned the oven to its highest setting elle a allumé ou mis le four à la température maximum;∎ she turned her chair towards the window elle a tourné sa chaise face à la fenêtre;∎ he turned the car into the drive il a engagé la voiture dans l'allée;∎ we turned our steps homeward nous avons dirigé nos pas vers la maison;∎ turn your head this way tournez la tête de ce côté∎ she turned the conversation to sport elle a orienté la conversation vers le sport;∎ their votes could turn the election in his favour leurs voix pourraient faire basculer les élections en sa faveur;∎ he would not be turned from his decision to resign il n'y a pas eu moyen de le faire revenir sur sa décision de démissionner;∎ nothing would turn the rebels from their cause rien ne pourrait détourner les rebelles de leur cause;∎ you've turned my whole family against me vous avez monté toute ma famille contre moi;∎ we turned his joke against him nous avons retourné la plaisanterie contre lui;∎ let's turn our attention to the matter in hand occupons-nous de l'affaire en question;∎ she turned her attention to the problem elle s'est concentrée sur le problème;∎ to turn one's thoughts to God tourner ses pensées vers Dieu;∎ research workers have turned the theory to practical use les chercheurs ont mis la théorie en pratique;∎ how can we turn this policy to our advantage or account? comment tirer parti de cette politique?, comment tourner cette politique à notre avantage?;∎ to turn one's back on sb tourner le dos à qn;∎ she looked at the letter the minute his back was turned dès qu'il a eu le dos tourné, elle a jeté un coup d'œil à la lettre;∎ how can you turn your back on your own family? comment peux-tu abandonner ta famille?;∎ she turned her back on her friends elle a tourné le dos à ses amis;∎ to turn one's back on the past tourner la page, tourner le dos au passé;∎ she was so pretty that she turned heads wherever she went elle était si jolie que tout le monde se retournait sur son passage;∎ success had not turned his head la réussite ne lui avait pas tourné la tête, il ne s'était pas laissé griser par la réussite;∎ all their compliments had turned her head tous leurs compliments lui étaient montés à la tête ou lui avaient tourné la tête;∎ to turn the tables on sb reprendre l'avantage sur qn;∎ figurative now the tables are turned maintenant les rôles sont renversésB.∎ the very thought of food turns my stomach l'idée même de manger me soulève le cœur;∎ to turn sth on its head bouleverser qch, mettre qch sens dessus dessous;∎ recent events have turned the situation on its head les événements récents ont retourné la situation∎ he turned the beggar from his door il a chassé le mendiant;∎ they turned the poachers off their land ils ont chassé les braconniers de leurs terres(c) (release, let loose)∎ he turned the cattle into the field il a fait rentrer le bétail dans le champ(d) (go round → corner) tourner(e) (reach → in age, time) passer, franchir;∎ I had just turned twenty je venais d'avoir vingt ans;∎ she's turned thirty elle a trente ans passés, elle a dépassé le cap de la trentaine;∎ it has only just turned four o'clock il est quatre heures passées de quelques secondes(f) (do, perform) faire;∎ the skater turned a circle on the ice la patineuse a décrit un cercle sur la glace;∎ to turn a cartwheel faire la roue∎ I've turned my ankle je me suis tordu la chevilleC.∎ to turn sth into sth transformer ou changer qch en qch;∎ bitterness turned their love into hate l'amertume a transformé leur amour en haine;∎ she turned the remark into a joke elle a tourné la remarque en plaisanterie;∎ they're turning the book into a film ils adaptent le livre pour l'écran;∎ the sight turned his heart to ice le spectacle lui a glacé le cœur ou l'a glacé;∎ Stock Exchange you should turn your shares into cash vous devriez réaliser vos actions;∎ time had turned the pages yellow le temps avait jauni les pages(b) (make bad, affect)∎ the lemon juice turned the milk (sour) le jus de citron a fait tourner le lait∎ to turn a good profit faire de gros bénéfices;∎ he turns an honest penny il gagne sa vie honnêtement;∎ familiar he was out to turn a fast buck il cherchait à gagner ou faire du fric facilement∎ a well-turned leg une jambe bien faite;∎ figurative to turn a phrase faire des phrases∎ to turn on an axis tourner autour d'un axe;∎ the crane turned (through) 180° la grue a pivoté de 180°;∎ the key won't turn la clé ne tourne pas;∎ he turned right round il a fait volte-face;∎ they turned towards me ils se sont tournés vers moi ou de mon côté;∎ they turned from the gruesome sight ils se sont détournés de cet horrible spectacle;∎ turn (round) and face the front tourne-toi et regarde devant toi∎ figurative the smell made my stomach turn l'odeur m'a soulevé le cœur(c) (change direction → person) tourner; (→ vehicle) tourner, virer; (→ luck, wind) tourner, changer; (→ river, road) faire un coude; (→ tide) changer de direction;∎ Military right turn! à droite!;∎ we turned towards town nous nous sommes dirigés vers la ville;∎ he turned (round) and went back il a fait demi-tour et est revenu sur ses pas;∎ the road turns south la route tourne vers le sud;∎ the car turned into our street la voiture a tourné dans notre rue;∎ we turned onto the main road nous nous sommes engagés dans ou nous avons pris la grand-route;∎ we turned off the main road nous avons quitté la grand-route;∎ Stock Exchange the market turned downwards/upwards le marché était à la baisse/à la hausse;∎ figurative I don't know where or which way to turn je ne sais plus quoi faire∎ it's turning cold il commence à faire froid;∎ the weather's turned bad le temps s'est gâté;∎ the argument turned nasty la dispute s'est envenimée;∎ she turned angry when he refused elle s'est mise en colère quand il a refusé;∎ to turn red/blue virer au rouge/bleu;∎ he turned red il a rougi;∎ a lawyer turned politician un avocat devenu homme politique;∎ to turn professional passer ou devenir professionnel;∎ the whole family turned Muslim toute la famille s'est convertie à l'islam(e) (transform) se changer, se transformer;∎ the pumpkin turned into a carriage la citrouille s'est transformée en carrosse;∎ the rain turned to snow la pluie s'est transformée en neige;∎ the little girl had turned into a young woman la petite fille était devenue une jeune femme;∎ their love turned to hate leur amour se changea en haine ou fit place à la haine∎ the weather has turned le temps a changé3 noun(a) (revolution, rotation) tour m;∎ he gave the handle a turn il a tourné la poignée;∎ give the screw another turn donnez un autre tour de vis;∎ with a turn of the wrist avec un tour de poignet∎ take the second turn on the right prenez la deuxième à droite;∎ no right turn (sign) défense de tourner à droite;∎ figurative at every turn à tout instant, à tout bout de champ(c) (bend, curve in road) virage m, tournant m;∎ there is a sharp turn to the left la route fait un brusque virage ou tourne brusquement à gauche(d) (change in state, nature) tour m, tournure f;∎ the conversation took a new turn la conversation a pris une nouvelle tournure;∎ it was an unexpected turn of events les événements ont pris une tournure imprévue;∎ things took a turn for the worse/better les choses se sont aggravées/améliorées;∎ the patient took a turn for the worse/better l'état du malade s'est aggravé/amélioré;∎ the situation took a tragic turn la situation a tourné au tragique∎ at the turn of the year vers la fin de l'année;∎ at the turn of the century au tournant du siècle(f) (in game, order, queue) tour m;∎ it's my turn c'est à moi, c'est mon tour;∎ it's his turn to do the dishes c'est à lui ou c'est son tour de faire la vaisselle;∎ you'll have to wait your turn il faudra attendre ton tour;∎ they laughed and cried by turns ils passaient tour à tour du rire aux larmes;∎ to take it in turns to do sth faire qch à tour de rôle;∎ let's take it in turns to drive relayons-nous au volant;∎ we took turns sleeping on the floor nous avons dormi par terre à tour de rôle;∎ turn and turn about à tour de rôle(g) (action, deed)∎ to do sb a good/bad turn rendre service/jouer un mauvais tour à qn;∎ he did them a bad turn il leur a joué un mauvais tour;∎ I've done my good turn for the day j'ai fait ma bonne action de la journée;∎ proverb one good turn deserves another = un service en vaut un autre, un service rendu en appelle un autre∎ she had one of her (funny) turns this morning elle a eu une de ses crises ce matin∎ you gave me quite a turn! tu m'as fait une sacrée peur!, tu m'as fait une de ces peurs!;∎ it gave me such a turn! j'ai eu une de ces peurs!∎ let's go for or take a turn in the garden allons faire un tour dans le jardin(k) (tendency, style)∎ to have an optimistic turn of mind être optimiste de nature ou d'un naturel optimiste;∎ he has a strange turn of mind il a une drôle de mentalité;∎ to have a good turn of speed rouler vite;∎ turn of phrase tournure f ou tour m de phrase;∎ she has a witty turn of phrase elle est très spirituelle ou pleine d'esprit(l) (purpose, requirement) exigence f, besoin m;∎ this book has served its turn ce livre a fait son temps(n) Stock Exchange (transaction) transaction f (qui comprend l'achat et la vente); British (difference in price) écart m entre le prix d'achat et le prix de vente∎ a comedy turn un numéro de comédie∎ she interviewed each of us in turn elle a eu un entretien avec chacun de nous l'un après l'autre;∎ I told Sarah and she in turn told Paul je l'ai dit à Sarah qui, à son tour, l'a dit à Paul;∎ I worked in turn as a waiter, an actor and a teacher j'ai travaillé successivement ou tour à tour comme serveur, acteur et enseignant∎ to be on the turn être sur le point de changer;∎ the tide is on the turn c'est le changement de marée; figurative le vent tourne;∎ the milk is on the turn le lait commence à tourner∎ don't play out of turn attends ton tour pour jouer;∎ figurative to speak out of turn faire des remarques déplacées, parler mal à proposAmerican turn signal lever (manette f de) clignotant mse retourner contre, s'en prendre à∎ she turned aside to blow her nose elle se détourna pour se moucheralso figurative écarter, détourner∎ she turned her head away from him elle s'est détournée de lui∎ the college turned away hundreds of applicants l'université a refusé des centaines de candidats;∎ she turned the salesman away elle chassa le représentant;∎ to turn people away (in theatre etc) refuser du monde;∎ we've been turning business away nous avons refusé du travailse détourner;∎ he turned away from them in anger en ou de colère, il leur a tourné le dos∎ it was getting dark so we decided to turn back comme il commençait à faire nuit, nous avons décidé de faire demi-tour;∎ my mind is made up, there is no turning back ma décision est prise, je ne reviendrai pas dessus∎ turn back to chapter one revenez ou retournez au premier chapitre∎ to turn the clock back remonter dans le temps, revenir en arrière(a) (heating, lighting, sound) baisser∎ to turn down the corner of a page corner une page;∎ to turn down the bed ouvrir le lit∎ they offered him a job but he turned them down ils lui ont proposé un emploi mais il a rejeté leur offre;∎ familiar she turned me down flat elle m'a envoyé balader(move downwards) tourner vers le bas;∎ the corners of his mouth turned down il a fait la moue ou une grimace désapprobatrice➲ turn in(a) (return, give in → borrowed article, equipment, piece of work) rendre, rapporter; (→ criminal) livrer à la police;∎ they turned the thief in (took him to the police) ils ont livré le voleur à la police; (informed on him) ils ont dénoncé le voleur à la police∎ turn in the edges rentrez les bords∎ the actor turned in a good performance l'acteur a très bien joué;∎ the company turned in record profits l'entreprise a fait des bénéfices record(a) (feet, toes)∎ my toes turn in j'ai les pieds en dedans∎ he turned in at the gate arrivé à la porte, il est entré∎ to turn in on oneself se replier sur soi-même➲ turn off(a) (switch off → light) éteindre; (→ heater, radio, television) éteindre, fermer; (cut off at mains) couper; (tap) fermer;∎ she turned the ignition/engine off elle a coupé le contact/arrêté le moteur∎ her superior attitude really turns me off son air suffisant me rebute(a) (leave road) tourner;∎ we turned off at junction 5 nous avons pris la sortie d'autoroute 5(b) (switch off) s'éteindre;∎ the heater turns off automatically l'appareil de chauffage s'éteint ou s'arrête automatiquement➲ turn on(a) (switch on → electricity, heating, light, radio, television) allumer; (→ engine) mettre en marche; (→ water) faire couler; (→ tap) ouvrir; (open at mains) ouvrir;∎ figurative she can turn on the charm/the tears whenever necessary elle sait faire du charme/pleurer quand il le faut(b) familiar (person → interest) intéresser□ ; (→ sexually) exciter; (→ introduce to drugs) initier à la drogue□ ;∎ to be turned on (sexually) être excité;∎ the movie didn't turn me on at all le film ne m'a vraiment pas emballé;∎ he turned us on to this new pianist il nous a fait découvrir ce nouveau pianiste(attack) attaquer;∎ the dogs turned on him les chiens l'ont attaqué ou se sont jetés sur lui;∎ his colleagues turned on him and accused him of stealing ses collègues s'en sont pris à lui et l'ont accusé de vol(take drugs) se droguer(a) (switch on) s'allumer;∎ the oven turns on automatically le four s'allume automatiquement(b) (depend, hinge on) dépendre de, reposer sur;∎ the whole case turned on or upon this detail toute l'affaire reposait sur ce détail;∎ everything turns on whether he continues as president tout dépend s'il reste président ou non➲ turn out∎ she turns her toes out when she walks elle marche en canard∎ he turned his daughter out of the house il a mis sa fille à la porte ou a chassé sa fille de la maison;∎ he was turned out of his job il a été renvoyé∎ turn the cake out onto a plate démoulez le gâteau sur une assiette∎ to turn out a room faire une pièce à fond∎ he turns out a book a year il écrit un livre par an;∎ few schools turn out the kind of people we need peu d'écoles forment le type de gens qu'il nous faut(g) (police, troops) envoyer;∎ turn out the guard! faites sortir la garde!∎ nicely or smartly turned out élégant;∎ he was turned out in a suit and a tie il portait un costume-cravate;∎ she always turns her children out beautifully elle habille toujours bien ses enfants(a) (show up) venir, arriver; Military (guard) (aller) prendre la faction; (troops) aller au rassemblement;∎ thousands turned out for the concert des milliers de gens sont venus ou ont assisté au concert;∎ the doctor had to turn out in the middle of the night le docteur a dû se déplacer au milieu de la nuit(b) (car, person) sortir, partir;∎ the car turned out of the car park la voiture est sortie du parking∎ my feet turn out j'ai les pieds en canard ou en dehors∎ his statement turned out to be false sa déclaration s'est révélée fausse;∎ her story turned out to be true ce qu'elle a raconté était vrai;∎ he turned out to be a scoundrel il s'est révélé être un vaurien, on s'est rendu compte que c'était un vaurien;∎ it turns out that… il se trouve que… + indicative∎ I don't know how it turned out je ne sais pas comment cela a fini;∎ how did the cake turn out? le gâteau était-il réussi?;∎ the story turned out happily l'histoire s'est bien terminée ou a bien fini;∎ the evening turned out badly la soirée a mal tourné;∎ everything will turn out fine tout va s'arranger ou ira bien;∎ as it turns out, he needn't have worried en l'occurrence ou en fin de compte, ce n'était pas la peine de se faire du souci(a) (playing card, mattress, person, stone) retourner; (page) tourner; (vehicle) retourner; (boat) faire chavirer;∎ I was turning over the pages of the magazine je feuilletais la revue;∎ figurative to turn over a new leaf s'acheter une conduite;∎ Agriculture to turn over the soil retourner la terre(b) (consider) réfléchir à ou sur;∎ I was turning the idea over in my mind je tournais et retournais ou ruminais l'idée dans ma tête(c) (hand over, transfer) rendre, remettre;∎ he turned the responsibility over to his deputy il s'est déchargé de la responsabilité sur son adjoint;∎ to turn sb over to the authorities livrer qn aux autorités∎ he's turning the land over to cattle farming il reconvertit sa terre dans l'élevage du bétail∎ the store turns over £1,000 a week la boutique fait un chiffre d'affaires de 1000 livres par semaine(f) (search through) fouiller(g) British familiar (rob → person) voler□, dévaliser□ ; (→ store) dévaliser□ ; (→ house) cambrioler□(a) (roll over → person) se retourner; (→ vehicle) se retourner, faire un tonneau; (→ boat) se retourner, chavirer(c) (when reading) tourner;∎ please turn over (in letter) TSVP∎ she turned round and waved goodbye elle se retourna et dit au revoir de la main;∎ the dancers turned round and round les danseurs tournaient ou tournoyaient (sur eux-mêmes)(b) (face opposite direction → person) faire volte-face, faire demi-tour; (→ vehicle) faire demi-tour;∎ figurative she turned round and accused us of stealing elle s'est retournée contre nous et nous a accusés de vol(a) (rotate → head) tourner; (→ object, person) tourner, retourner; (→ vehicle) faire faire demi-tour à;∎ could you turn the car round please? tu peux faire demi-tour, s'il te plaît?(b) (quantity of work) traiter∎ to turn a situation round renverser une situation;∎ Commerce to turn a company round sauver une entreprise de la faillite(d) (sentence, idea) retourner∎ turn to chapter one allez au premier chapitre(b) (seek help from) s'adresser à, se tourner vers;∎ to turn to sb for advice consulter qn, demander conseil à qn;∎ I don't know who to turn to je ne sais pas à qui m'adresser ou qui aller trouver;∎ he turned to his mother for sympathy il s'est tourné vers sa mère pour qu'elle le console;∎ she won't turn to me for help elle ne veut pas me demander de l'aide;∎ he turned to the bottle il s'est mis à boire∎ her thoughts turned to her sister elle se mit à penser à sa sœur;∎ the discussion turned to the war on se mit à discuter de la guerre(d) (address → subject, issue etc) aborder, traiter;∎ we shall now turn to the problem of housing nous allons maintenant aborder le problème du logement;∎ let us turn to another topic passons à un autre sujet➲ turn up(a) (heat, lighting, radio, TV) mettre plus fort;∎ to turn the sound up augmenter ou monter le volume;∎ she turned the oven up elle a mis ou réglé le four plus fort, elle a augmenté la température du four;∎ British very familiar turn it up! la ferme!∎ her research turned up some interesting new facts sa recherche a révélé de nouveaux détails intéressants(c) (point upwards) remonter, relever;∎ she has a turned-up nose elle a le nez retroussé(d) (collar) relever; (trousers) remonter; (sleeve) retrousser, remonter; (in order to shorten) raccourcir en faisant un ourlet(e) (uncover → card) retourner∎ she turned up at my office this morning elle s'est présentée à mon bureau ce matin;∎ he'll turn up again one of these days il reviendra bien un de ces jours;∎ I'll take the first job that turns up je prendrai le premier poste qui se présentera(b) (be found) être trouvé ou retrouvé;∎ her bag turned up eventually elle a fini par retrouver son sac∎ don't worry, something will turn up ne t'en fais pas, tu finiras par trouver quelque chose;∎ until something better turns up en attendant mieux -
37 source
aircraft sourceAOA sourcedamage sourcedouble sourceignition sourceimagery sourceloading sourcepitot static sourceradar sourcesecond sourcevibratory source -
38 action
действие; работа; срабатывание; воздействиеopen and shut action — релейное действие, действие типа «да — нет»
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39 altitude
высота; высота светила; угол места; разг. высотомер; высотныйfinal approach fix altitude — конечная высота определения места по радиомаякам при заходе на посадку
sacrifice altitude for airspeed — использовать запас высоты для разгона, терять высоту для достижения необходимой скорости
trade altitude for airspeed — использовать запас высоты для разгона, терять высоту для достижения необходимой скорости
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40 НКУ с устройствами ограничения воздействия внутренней дуги
НКУ с устройствами ограничения воздействия внутренней дуги
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[Интент]Параллельные тексты EN-RU
Assemblies equipped with devices limiting internal arc effects (active protection)
A design philosophy which is completely different from that just considered consists in guaranteeing the resistance to internal arcing by installing devices limiting the arc.
The approaches in that direction can be of two different types:
• limiting the destructive effects of the arc, once it has occured, by means of arc detectors
• limiting the destructive effects of the arc, once it has occured, by means of overpressure detectors.
The first possibility consists in installing in the assembly arc detectors which sense the light flux associated with the electric arc phenomenon.
Once the arc has been detected, these devices send an opening signal to the incoming circuit-breaker, thus guaranteeing tripping times of the order of 1-2 ms, therefore shorter than those proper of the circuit-breaker.
The operating logic of an arc detector is the following: the occurrence of an arc inside the switchboard is detected by the arc detector because an intense light radiation is associated with this phenomenon.
The arcing control system detects the event and sends a tripping signal to the circuit-breaker.
All the above with trip times of a few milliseconds and supplanting the tripping of the CB overcurrent relay which, for example, could be delayed due to current selectivity questions.
Figure 1 shows the possible positions where this device can be installed inside a switchboard.
The ideal solution is that which provides the installation of at least one detector for each column, with the consequent reduction to a minimum of the length of the optical fibers carrying the signal.
In order to prevent from an unwanted tripping caused by light sources indepent of the arc (lamps, solar radiation etc.), an additional current sensor is often positioned at the incoming of the main circuit-breaker.
Only in the event of an arc, both the incoming sensor which detects an “anomalous” current due to the arc fault as well as the sensor detecting the light radiation as sociated with the arc enable the system to intervene and allow the consequent opening of the circuit-breaker.
The second possibility consists in installing overpressure sensors inside the switchboard.
As previously described, the overpressure wave is one of the other effects occurring inside an assembly in case of arcing.
As a consequence it is possible to install some pressure sensors which are able to signal the pressure peak associated with the arc ignition with a delay of about 10-15 ms.
The signal operates on the supply circuit-breaker without waiting for the trip times of the selectivity protections to elapse, which are necessarily longer.
Such a system does not need any electronic processing device, since it acts directly on the tripping coil of the supply circuit-breaker.
Obviously it is essential that the device is set at fixed trip thresholds.
When an established internal overpressure is reached, the arc detector intervenes.
However, it is not easy to define in advance the value of overpressure generated by an arc fault inside a switchboard.
[ABB]НКУ с устройствами ограничения воздействия внутренней дуги (активная защита)
Для решения этой задачи используются совершенно другие, отличающиеся от ранее рассмотренных, принципы, заключающиеся в том, что противодействие внутренней дуге обеспечивается применением устройств, ограничивающих саму дугу.
Существует два типа решения проблемы в этом направлении:
• ограничение разрушающего воздействия дуги после того, как ее обнаружат специальные устройства
• ограничение разрушающего воздействия дуги после того, как специальные устройства обнаружат возникновение избыточного давления.
В первом случае в НКУ устанавливают устройства обнаружения дуги, реагирующие на световой поток, сопровождающий явление электрической дуги.
При обнаружении дуги данные устройства посылают сигнал управления на размыкание вводного автоматического выключателя. Гарантируемое время реакции составляет 1-2 мс, что меньше времени срабатывания автоматического выключателя.
Логика работы устройства обнаружения дуги следующая: Дуга, возникшая внутри НКУ, обнаруживается датчиком, реагирующим на интенсивное световое излучение, которым сопровождается горение дуги.
Обнаружив дугу, система управления посылает сигнал автоматическому выключателю.
Время срабатывания датчика и системы управления составляет несколько миллисекунд, что меньше времени срабатывания автоматического выключателя, осуществляющего защиту от сверхтока, который обычно для обеспечения требуемой селективности срабатывает с задержкой.
На рис. 1 показаны места возможной установки устройства защиты внутри НКУ.
Идеальным решением является установка, по крайней мере, одного устройства защиты в каждый шкаф многошкафного НКУ.
Это позволит до минимума сократить длину оптоволоконных кабелей передачи сигнала.
Для предотвращения ложного срабатывания от других источников света (т. е. не от дуги), например, таких как лампы, солнечное излучение и т. п., дополнительно в главной цепи вводного автоматического выключателя устанавливают датчик тока.
Только при наличии двух событий, а именно: срабатывания датчика света и обнаружения аномального увеличения тока, система управления считает, что возникла электрическая дуга и подает команду на отключение вводного автоматического выключателя.
Второе решение заключается в установке внутри НКУ датчика избыточного давления.
Как было описано ранее, одним из характерных проявлений электрической дуги, возникшей внутри НКУ, является ударная волна.
Это означает, что можно установить несколько датчиков давления, задачей которых является обнаружение импульса давления (с задержкой 10…15 мс), обусловленного зажиганием дуги.
Сигнал от датчиков давления поступает на вводной автоматический выключатель, который срабатывает без задержки на обеспечение селективности.
Такая система не нуждается в электронном устройстве обработки информации, поскольку воздействует непосредственно на независимый расцепитель автоматического выключателя.
Вполне понятно, что такое устройство имеет фиксированный порог срабатывания.
Датчик-реле дуги сработает, как только будет достигнуто заданное значение избыточного давления.
Следует иметь в виду, что не так легко заранее определить значение избыточного давления, которое будет создано при зажигании дуги внутри НКУ.
[Перевод Интент]Тематики
- НКУ (шкафы, пульты,...)
EN
Русско-английский словарь нормативно-технической терминологии > НКУ с устройствами ограничения воздействия внутренней дуги
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