-
41 isotonisches Getränk
■ Flüssigkeit, die den gleichen osmotischen Druck wie die Zellen im menschlichen Körper aufweist und daher vom Blut schnell aufgenommen wird, wodurch sie Sportlern bei oder nach Belastung hilft, ihren Mineralstoffhaushalt auszugleichen und den Kohlenhydratspeicher in den Muskeln aufzufüllen.■ A electrolyte drink that has a mineral salt concentration the same as normal body fluids, designed to rehydrate and deliver energy to working muscles. -
42 isotonic drink
■ A electrolyte drink that has a mineral salt concentration the same as normal body fluids, designed to rehydrate and deliver energy to working muscles.■ Flüssigkeit, die den gleichen osmotischen Druck wie die Zellen im menschlichen Körper aufweist und daher vom Blut schnell aufgenommen wird, wodurch sie Sportlern bei oder nach Belastung hilft, ihren Mineralstoffhaushalt auszugleichen und den Kohlenhydratspeicher in den Muskeln aufzufüllen. -
43 anormal
adjectivea. (Science, medicine) abnormal ; ( = insolite) [situation, comportement] unusual• si vous voyez quelque chose d'anormal, signalez-le if you notice anything unusual, report itb. ( = injuste) unfair• il est anormal que... it's not fair that...* * *1) ( inhabituel) [taux] abnormal; [événement] unusual2) ( injuste) unfair3) (colloq) ( déficient) [enfant] abnormal* * *anɔʀmal, o anormal, -eanormaux mpl adj(niveau, taux, concentration) abnormal* * *1 ( inhabituel) [saignement, usure, taux, température] abnormal; [événement] unusual; il est anormal qu'il neige en juin it's unusual for it to snow in June;2 ( injuste) unfair; je trouve anormal qu'il parte ainsi I think it's unfair that he should leave like this;3 ○( déficient) [enfant] abnormal.à son âge, c'est anormal it's not normal at his age2. [non réglementaire] irregular4. [handicapé] mentally handicapped———————— -
44 span
I 1. noun1) (full extent) Spanne, die2. transitive verb,span of life/time — Lebens-/Zeitspanne, die
- nn- überspannen [Fluss]; umfassen [Zeitraum]IIsee academic.ru/111626/spick">spick* * *[spæn] 1. noun1) (the length between the supports of a bridge or arch: The first span of the bridge is one hundred metres long.) der Brückenbogen2) (the full time for which anything lasts: Seventy or eighty years is the normal span of a man's life.) die Spanne2. verb(to stretch across: A bridge spans the river.) überspannen* * *span1[spæn]the \span of years between them seemed to act as a separation der Altersabstand zwischen ihnen schien sie zu trennenattention [or concentration] \span Konzentrationsspanne f\span of history Geschichtsspanne flife \span Lebensspanne fover a \span of several months über einen Zeitraum von einigen Monaten\span of office Amtszeit f\span of time Zeitspanne ffinger \span Fingerbreite fwing \span Flügelspannweite fbroad \span große Spannbreite [der Hand]the bridge crosses the river in a single \span die Brücke überspannt den Fluss in einem Bogena single-\span bridge eine eingespannte BrückeII. vt<- nn->1. (stretch over)2. (time)3. (contain)4. (place hands round)to \span sth with one's hands etw mit den Händen umspannenIII. adjspan2[spæn]span3[spæn]* * *I [spn]1. n1) (of hand) Spanne f; (= wingspan, of bridge etc) Spannweite f; (= arch of bridge) (Brücken)bogen m2) (= time span) Zeitspanne f, Zeitraum m; (of memory) Gedächtnisspanne f; (of attention) Konzentrationsspanne f; (= range) Umfang mthe whole span of world affairs — die Weltpolitik in ihrer ganzen Spannweite
4) (old: measurement) Spanne f2. vt(rope, rainbow) sich spannen über (+acc); (bridge also) überspannen; (plank) führen über (+acc); years, globe, world umspannen; (= encircle) umfassen; (in time) sich erstrecken über (+acc), umfassen II (old) pret See: of spin* * *span1 [spæn]A s1. Spanne f:b) englisches Maß (= 9 inches)2. ARCHa) Spannweite f (eines Bogens)b) Stützweite f (einer Brücke)c) (einzelner) (Brücken)Bogen3. FLUG Spannweite f4. SCHIFF Spann n, Haltetau n, -kette f5. fig Spanne f, Umfang m7. Zeitspanne f8. Lebensspanne f, -zeit f:B v/t1. abmessen2. umspannen3. sich erstrecken über (akk) (auch fig), überspannen4. überbrücken5. fig überspannen, umfassenspan2 [spæn] s Gespann n* * *I 1. noun1) (full extent) Spanne, diespan of life/time — Lebens-/Zeitspanne, die
2) (of bridge) Spannweite, die2. transitive verb,- nn- überspannen [Fluss]; umfassen [Zeitraum]II* * *n.Bereich -e m. v.umfassen v. -
45 point
1) точка2) позиция, заданная позиция; координата; положение ( рабочего органа)3) остриё; заострённый наконечник || заострять4) вершина ( сверла или фрезы)6) центр ( токарного станка)7) носок ( напильника)8) заборная часть ( метчика)•at the point of manufacture — у производственного оборудования, непосредственно у производственного оборудования
- abrasive pointpoints taken — точки отсчёта, измерительные точки
- absolute zero point
- action point
- addressable point
- Airy points
- assembly points
- balanced null point
- ball point
- base point
- bedding point
- bending point
- blade point
- branch point
- branching point
- break point
- break-even point
- breaking point
- calculation contact point
- center point
- change feed points
- change point
- check point
- chuck point
- chucking point
- clearance point
- commence feed point
- common point
- communication point
- compressive yield point
- cone point
- connection points
- considering point
- contact point
- contour points
- control point
- correct point
- critical point of pitting
- critical point of scoring
- critical point
- critical thermal point
- crossing point
- cup point
- cutting path supporting points
- cutting point
- data points
- datum point
- dead point
- decimal point
- decision point
- departure point
- design point
- destination point
- diamond grinding point
- docking point
- dog point
- double-angle point
- drill point
- drilling point
- drop point
- drop-off point
- electronic zero point
- end point
- ending point of mesh
- ending point
- fatigue point
- finish point
- fixed focal point of laser beam
- fixed point
- fixed reference point
- fixturing point
- flat point
- flat screw point
- flex point
- flexible point
- focal point of stress
- focal point
- force point
- full-dog point
- functionally critical points
- gaging point
- gimlet point
- grasping center point
- grid point
- half-dog point
- half-way point
- hanger screw point
- helical point
- high point
- hinge point
- I/O points
- indicator point
- infeed changeover point
- initial point
- initial starting point
- input point
- inspection point
- installed measuring points
- interference point
- interpolated point
- joining points
- junction point
- key measurement point
- laser impingement point
- lattice-type measuring points
- let-go point
- limit normal point
- load/unload point
- load-bearing points
- locating reference point
- location reference point
- long-dog point
- low point
- lower yield point
- lubrication points
- machine home point
- maintenance point
- manipulator end point
- mass point
- mean point
- measurement point
- measuring point
- melting point
- microcontact points
- monitoring point
- mounting point
- neutral point
- nip point
- nodal point
- node point
- nominal design point
- noncolinear points
- nonslip point
- notched point
- operating point
- optimum CPD point
- optimum point
- outermost point
- out-of-tolerance point
- output point
- oval point
- pallet change point
- part pickup point
- part program set point
- passing point
- pick-up point
- pinch point
- pitch point
- pivot point
- pivotal point
- plotted points
- point of application
- point of beam application
- point of control
- point of cut
- point of divergence
- point of engagement
- point of light
- point of load application
- point of load concentration
- point of mesh
- point of operation
- point of tangency
- point of tooth
- positioning point
- predetermined tool-force point
- primary referential machining point
- probe tip point
- program original point
- quiescent point
- reference measurement point
- reference point
- reference-starting point
- reinforcement point
- rest point
- retract end point
- reversing point
- ring-shaped laser focal point
- ring-shaped laser point
- run-off point
- run-on point
- scan points
- scanned-in points
- scrape point
- scribed point
- selected point on the cutting edge
- selected point
- self-centering point
- sensor point
- set point
- shift point
- short-dog point with rounded end
- short-dog point with truncated cone end
- short-dog point
- shut off point
- singular point
- spear point
- spigot point
- spiral point
- split point
- stable equilibrium point
- stable point
- start point
- starting point of mesh
- starting point
- stop point
- strategic points
- stress point
- summing point
- support point
- supporting point
- swage tooth point
- swaged tooth point
- swinging base pivot point
- switch point
- switching point
- tapering point
- target point
- taught pickup point
- taught points
- tensile yield point
- test point
- thinned point
- thread point
- tight point of mesh
- tool center point
- tool point
- tool transfer point
- tool wear warning point
- tool zero point
- tooth point
- torque shut off point
- touch point
- touched point
- tracer point
- trammel point
- transfer point
- transition point
- travel end point
- trip point
- tripping points
- truncated cone point
- turning point
- use point
- visa point
- weld point
- working point
- yield point
- zero point
- zero reference pointEnglish-Russian dictionary of mechanical engineering and automation > point
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46 profile
1) профиль; контур; очертание || прочерчивать контур || профильный; контурный; фасонный2) вертикальный разрез; боковая проекция3) график; кривая5) программа (напр. развития отрасли)6) обрабатывать по шаблону; профилировать; копировать•to finish turn profile — обтачивать контур ( детали) начисто
- actual profileto rough turn profile — обтачивать контур ( детали) начерно
- airspace profile
- A-profile
- axial profile
- basic profile of surface
- basic profile
- blade profile
- cam profile
- charge profile
- circular profile
- concave tooth profile
- concentration profile
- constant velocity profile
- contoured profile
- convex tooth profile
- correct involute profile
- crowning profile
- cutting profile
- cycloidal tooth profile
- design profile
- desired profile
- discharge profile
- document search profile
- driving profile
- effective tooth profile
- external datum profile
- face profile
- final required profile
- flank profile
- geometrical profile
- hardness profile
- information profile
- interest profile
- intricate profile
- laser power profile
- laser weld bead profile
- left-hand profile
- load-sharing profile
- longitudinal profile
- maximum material profile
- measured profile
- modified profile
- nominal profile
- noninvolute profile
- nonsymmetrical profile
- normal tooth rack profile
- original profile
- out-of-roundness profile
- part profile
- peak-to-valley profile
- periodic profile
- polygon profile
- power-versus-time profile
- pressure profile
- product profile
- profile of thermal deformation
- random profile
- real profile
- reference profile
- relief profile
- right-hand profile
- scalloped profile
- search profile
- skid dependent datum profile
- stored limit profile
- strategic profile
- successive-line profiles
- surface profile
- test profile
- thread profile
- three-dimensional profile
- tool profile
- tooth profile
- T-profile
- traced profile
- transformed profile
- transverse profile
- true profile
- two-dimensional profile
- uniform intensity beam profile
- unmodified profile
- velocity-versus-time profile
- weld bead profile
- worm thread profileEnglish-Russian dictionary of mechanical engineering and automation > profile
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47 концентрация
[см. повышение концентрации … выше; см. тж. сконцентрировать в одном месте]…which corresponds to a concentration of 1% (by volume) at normal barometric pressure. -
48 соответствовать
[см. чему соответствует]The partial pressure of carbon dioxide should not exceed 7.6 mm Hg, which corresponds to a concentration of 1% (by volume) at normal barometric pressure. -
49 чему соответствует
The partial pressure of carbon dioxide should not exceed 7.6 mm Hg, which corresponds to a concentration of 1% (by volume) at normal barometric pressure.Русско-английский словарь по космонавтике > чему соответствует
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50 pattern
модель, образец; схема; площадь рассеивания; распределение попаданий; характер; структура— defensive combat pattern— offensive combat pattern -
51 boisson isotonique
Boisson qui assure une hydratation appropriée et qui fournit des glucides et des électrolytes en respectant précisément les recommandations des nutritionnistes sportifs.A electrolyte drink that has a mineral salt concentration the same as normal body fluids, designed to rehydrate and deliver energy to working muscles.Dictionnaire Français-Anglais (UEFA Football) > boisson isotonique
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52 level
1) горизонт; уровень; отметка2) нивелир; уровень ( инструмент)3) степень4) горизонтальная линия, горизонтальная плоскость5) дренажная канава; дренажный канал7) нивелировать, выравнивать, производить планировку ( грунта)•- level of business - level of concentration - level of contracting - level of efficiency - level of engineering - level of pollution - level of subsoil water - level of water supply - above-ground level - above-sea level - adjusting level - air level - air-intake level - allowable level - appropriate level - automatic level - balance level - banked-up water level - benchmark level - bottom level - breathing level - carpenter's level - check levels - construction level - control level - curb level - datum level - datum water level - design level - diaphragm level indicator - drawdown level - dumb level - dust level - engineer's level - experience level - fault float-switch trigger level - first float-switch trigger level - flood level - flying level - foundation level - geodesic level - grade level - ground water level - gyro level - half-tide level - haulage level - high technical level - high water level - hydrostatic level - incline level - intensity level - low technical level - low water level - mason's level - maximum permissible level - noise level - oil level - operating level - out of level - plumb level - pollution level - precise level - preset threshold level - pressure level of sound - quality level - radiation level - radioactive contamination level - reference level - risk level - safety level - sea level - service level - skirting level - spirit level - stage level - still water level - stop level - street level - striding level - surveyor's level - technical level of the works - toxicity level - underground water level - unification level - upper pond level - ventilation levelto level up — устанавливать в горизонтальной плоскости, выверять горизонтальность уровнем
* * *1. уровень (1. отметка 2. степень 3. прибор)2. нивелир- level of bridge maintenance
- level of compaction
- level of congestion
- level of control
- level of foundation
- level of motorization
- level of organization of work
- level of service
- level of skill
- level of zero annual amplitude
- Abney level
- altitude level
- automatic level
- banked-up water level
- base level
- builder's level
- capacity level
- carpenter's level
- chambered level
- comfort level
- convenience level
- crest level
- crown level
- datum level
- dead-storage level
- design crest level
- design flood level
- design water level
- downstream level
- drawdown level
- dumpy level
- engineer's level
- equivalent water levels
- finished floor level
- formation level
- founding level
- free water level
- freezing level
- full supply level
- ground-water level
- hand level
- hanging level
- highest tailwater level
- highest water storage level
- high-water level
- invert level
- laser level
- liquid level
- locator's hand level
- Locke hand level
- loudness level
- lowest operating water level
- maintenance level
- mason's level
- natural water level
- noise level
- normal water level
- piezometric level
- pumping level
- quality level
- reduced level
- rod level
- safe-health level
- self-leveling level
- sound level
- sound power level
- spherical level
- spirit level
- standing-water level
- stress level
- surcharged reservoir level
- tailwater level
- threshold level
- top level
- top water level
- upstream level
- workability level
- wye level
- Y level
- yield stress level -
53 stress
усилие; напряжение; нагрузка; напряженное состояние; II напрягать- stress amplitude - stress concentration - stress corrosion - stress cycle - stress-cycle diagram - stress fluctuation - stress limit - stress raiser - stress range - stress ratio - stress recorder - stress relief - stress relieve - stress sheet - stress-strain curve - stress-strain diagram - stress-strain properties - stress-strain relationship - stress under impact - compound stress - compressive stress - critical stress - crushing stress - limit stress - temperature stress - tensile stress - tension stress - torsional stress - transverse stress - twisting stress - ultimate stress - yield stress -
54 function
1) функция, действие || функционировать; действовать- essential functions - routine function - safety-related functions2) функциональное назначение; роль- circuit function - intrinsic function - metering function - primary function - robot function - planning function - service function - support function4) функциональный узел ( машины)5) матем. функциональная зависимость, функция- absolutely additive function - absolutely bounded function - absolutely continuous function - absolutely integrable function - absolutely monotone function - absolutely summable function - absolutely symmetric function - almost complex function - almost continuous function - almost convex function - almost everywhere defined function - almost everywhere finite function - almost invariant function - almost periodic function - almost recursive function - almost separably-valued function - almost separating function - almost universal function - analytically independent function - analytically representable function - approximately differentiable function - asymptotically differentiable function - asymptotically finite function - asymptotically uniformly optimal function - bounded below function - cellwise continuous function - circumferentially mean p-valent function - comparison function - complementary error function - complete analytic function - completely additive function - completely computable function - completely monotone function - completely multiplicative function - completely productive function - completely subadditive function - completely symmetrical function - completely undefined function - complex hyperbolic function - conditional risk function - countably multiplicative function - countably valued function - covariant function - cumulative distribution function - cumulative frequency function - deficiency function - double limit function - doubly periodic function - doubly recursive function - effectively computable function - effectively constant function - effectively decidable function - effectively variable function - elementarily symmetric function - entire function of maximum type - entire function of mean type - entire function of potential type - entire function of zero type - entire rational function - essentially increasing function - essentially integrable function - essentially real function - essentially smooth function - everywhere differentiable function - everywhere smooth function - expansible function - explicitly definable function - exponentially convex function - exponentially decreasing function - exponentially increasing function - exponentially multiplicative function - exponentially vanishing function - finitely mean valent function - finitely measurable function - function of appropriate behavior - function of bounded characteristic - function of bounded type - function of bounded variation - function of complex variable - function of exponential type - function of finite genus - function of finite variation - function of fractional order - function of infinite type - function of integral order - function of maximal type - function of minimal type - function of mixed variables - function of normal type - function of number theory - function of one variable - function of rapid descent - function of rapid growth - function of real variable - general universal function - geometric carrier function - implicitly definable function - incomplete dibeta function - incomplete gamma function - incomplete tribeta function - incompletely defined function - inductively defined function - inductively integrable function - infinitely divisible function - infinitely many-valued function - integral logarithmic function - inverse trigonometric function - inverted beta function - iterative function - joint correlation function - joint density function - linearly separable function - locally bounded function - locally constant function - locally holomorphic function - locally homogeneous function - locally integrable function - locally negligible function - locally regular function - locally summable function - logarithmic generating function - logarithmic integral function - logarithmically infinite function - logarithmically plurisubharmonic function - logarithmically subharmonic function - lower semicontinuous function - monotone non-decreasing function - monotone non-increasing function - multiply periodic function - multiply recursive function - negative definite function - negative infinite function - nontangentially bounded function - normalized function - normed function - nowhere continuous function - nowhere differentiable function - nowhere monotonic function - n-times differentiable function - n-tuply periodic function - numeralwise expressible function - numeralwise representable function - numerical function - numerically valued function - oblate spheroidal function - operating characteristic function - optimal policy function - parametrically definable function - partially symmetric function - piecewise constant function - piecewise continuously differentiable function - piecewise linear function - piecewise monotonic function - piecewise polynomial function - piecewise quadratic function - piecewise regular function - piecewise smooth function - pointwise approximated function - positive homogeneous function - positive infinite function - positive monotone function - positive monotonic function - positive semidefinite function - potentially calculable function - potentially recursive function - power series function - probability generating function - quadratically summable function - rapidly damped function - rapidly decreasing function - rapidly oscillatory function - recursively continuous function - recursively convergent function - recursively defined function - recursively differentiable function - recursively divergent function - recursively extensible function - relative distribution function - relative frequency function - representing function - reproducing kernel function - residual function - residue function - scalarwise integrable function - scalarwise measurable function - sectionally smooth function - simply periodic function - singly recursive function - slowly increasing function - slowly oscillating function - slowly varying function - smoothly varying function - solid spherical harmonic function - solid zonal harmonic function - steadily increasing function - stopped random function - strictly convex function - strictly decreasing function - strictly increasing function - strictly integrable function - strictly monotone function - strongly differentiable function - strongly holomorphic function - strongly integrable function - strongly measurable function - strongly plurisubharmonic function - totally additive function - totally continuous function - totally measurable function - totally multiplicative function - totally positive function - triangular function - uniformly best decision function - uniformly bounded function - uniformly definable function - uniformly differentiable function - uniformly homotopic function - uniformly integrable function - uniformly limited function - uniformly measurable function - uniformly smooth function - unit step function - unitary divisor function - upper measurable function - upper semicontinuous function - weakly analytic function - weakly continuous function - weakly differentiable function - weakly holomorphic function - weakly measurable function - weakly singular function - weighted random functiondomain of a function — область определения функции, область изменения независимой переменной
-
55 measure
1) мера2) мероприятие3) средство измерения || измерять4) критерий; мерило5) мерная посуда || отмеривать; дозировать6) полигр. формат полосы набора•fundamental in measure — мат. фундаментальный по мере
measure with basis — мат. мера с базисом
measure with value — мат. мера со значением
measure on intervals —мат. мера на интервалах
measure on rings — мат. мера на кольцах
of zero measure — мат. нульмерный
precision measure by external consistency — мат. мера точности по внешней совместности, мера точности переопределённых исходных уравнений
precision measure by internal consistency — мат. мера точности по внутренней совместности, мера точности по оценке экспериментальной погрешности исходных данных
to measure up — соответствовать, удовлетворять ( требованиям)
- completely random measure - locally finite measure - measure of relative skewness - normed measure - strongly dominant measure - totally finite measureto take measure — швейн. снимать мерку
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56 position
1) местонахождение, местоположение2) положение, позиция || устанавливать в определённое положение, позиционировать3) геол. условия залегания; залегание4) помещать; располагать; ставить•to fix point in position — матем. зафиксировать запятую
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57 abnormal
1. a ненормальный; аномальный; отклоняющийся от нормы2. a огромный, необычно большого размераabnormal statement — особый оператор; необычный оператор
3. a отклоняющийся от средней величиныСинонимический ряд:1. aberrant (adj.) aberrant; anomalistic; anomalous; atypical; bizarre; curious; deviant; deviating; deviative; divergent; eccentric; heteroclite; irregular; odd; off-key; peculiar; preternatural; prodigious; strange; unnatural; unregular; unrepresentative; untypical; unusual2. exceptional (adj.) exceptional; extraordinary; rareАнтонимический ряд:customary; normal; ordinary; regular; usual -
58 factor
1. коэффициент; множитель2. показатель3. факторfactor of safety1-g load factoramplification factoraward factorbody axis load factorboundary layer shape factorBreguet factorcorrection factorcoupling loss factorscriticality factordamping factorderating factordesign factordrag-due-to-lift factordynamic amplification factordynamic response factordynamic response magnification factorendurance factorfield degradation factorflying qualities factorform factorfree-elevator factorg factorgain factorgrowth factorgust alleviation factorgust intensity factorgust load factorincremental load factorinstantaneous load factorinterference factorintermittency factorlanding factorlanding impact load factorlateral load factorlimit load factorload factorlongitudinal load factorloss factormagnification factormaneuver factormaneuver load factormaneuvering load factormodal amplification factornormal load factorOswald span efficiency factorOswald's airplane-induced drag efficiency factorpassenger load factorPrandtl-Glauert factorproof factorrange factorreaction factorrecovery factorreduction factorrelative density factorReynolds analogy factorsafety factorscale factorscaling factorscatter factorshape factorshift factorsidewash factorsinusoidal factorsmoothing factorspan-efficiency factorstagnation pressure-recovery factorstall load factorsteady state load factorstress concentration factorstress corrosion cracking stress intensity factorstress intensity factorsustained load factortail efficiency factorthrust load factortip loss factortotal load factortrade-off factorturbulence intensity factorturn load factorultimate factorultimate load factorvertical load factorvortex-drag factorweighting factorWheeler retardation factorzero-g load factor -
59 DOL
- эффект операционного рычага
- пускатель прямого действия
- прямой пуск вращающегося электродвигателя
- Министерство труда (США)
- концентрация растворённого кислорода
концентрация растворённого кислорода
—
[А.С.Гольдберг. Англо-русский энергетический словарь. 2006 г.]Тематики
EN
Министерство труда (США)
—
[А.С.Гольдберг. Англо-русский энергетический словарь. 2006 г.]Тематики
EN
прямой пуск вращающегося электродвигателя
Пуск вращающегося электродвигателя путем непосредственного подключения его к питающей сети.
[ ГОСТ 27471-87]EN
direct-on-line starting
across-the-line starting (US)
the process of starting a motor by connecting it directly to the supply at rated voltage
[IEV number 411-52-15]FR
démarrage direct
mode de démarrage d'un moteur, consistant à lui appliquer directement sa pleine tension assignée
[IEV number 411-52-15]
Рис. ABB
Схема прямого пуска электродвигателяMagnetic only circuit-breaker - Автоматический выключатель с электромагнитным расцепителем
Contactor KL - Контактор KL
Thermal relay - Тепловое реле
Параллельные тексты EN-RU
Direct-on-line starting
Direct-on-line starting, which is often abbreviated as DOL, is perhaps the most traditional system and consists in connecting the motor directly to the supply network, thus carrying out starting at full voltage.Direct-on-line starting represents the simplest and the most economical system to start a squirrel-cage asynchronous motor and it is the most used.
As represented in Figure 5, it provides the direct connection to the supply network and therefore starting is carried out at full voltage and with constant frequency, developing a high starting torque with very reduced acceleration times.
The typical applications are relevant to small power motors also with full load starting.
These advantages are linked to some problems such as, for example, the high inrush current, which - in the first instants - can reach values of about 10 to 12 times the rated current, then can decrease to about 6 to 8 times the rated current and can persist to reach the maximum torque speed.The effects of such currents can be identified with the high electro-dynamical stresses on the motor connection cables and could affect also the windings of the motor itself; besides, the high inrush torques can cause violent accelerations which stress the transmission components (belts and joints) generating distribution problems with a reduction in the mechanical life of these elements.
Finally, also the possible electrical problems due to voltage drops on the supply line of the motor or of the connected equipment must be taken into consideration.
[ABB]Прямой пуск
Прямой пуск, который по-английски часто сокращенно обозначают как DOL, является, пожалуй наиболее распространенным способом пуска. Он заключается в непосредственном (т. е. прямом) подключении двигателя к питающей сети. Это означает, что пуск двигателя осуществляется при полном напряжении.Схема прямого пуска является наиболее простым, экономичным и чаще всего применяемым решением для электродвигателей с короткозамкнутым ротором.
Схема прямого подключения к сети представлена на рисунке 5. Пуск осуществляется при полном напряжении и постоянной частоте сети. Электродвигатель развивает высокий пусковой момент при коротком времени разгона.
Типичные области применения – маломощные электродвигатели, в том числе с пуском при полной нагрузке.
Однако, наряду с преимуществами имеются и определенные недостатки, например, бросок пускового тока, достигающий в первоначальный момент 10…12-кратного значения от номинального тока электродвигателя. Затем ток двигателя уменьшается примерно до 6…8-кратного значения номинального тока и будет держаться на этом уровне до тех пор, пока скорость двигателя не достигнет максимального значения.
Такое изменение тока оказывает значительное электродинамическое воздействие на кабель, подключенный к двигателю. Кроме того пусковой ток воздействует на обмотки двигателя. Высокий начальный пусковой момент может привести к значительному ускорению и следовательно к значительной нагрузке элементов привода (ремней, крепления узлов), что вызывает сокращение их срока службы.
И, наконец, следует принять во внимание возможное возникновение проблем, связанных с падением напряжения в линии питания двигателя и подключенного к этой линии оборудования.
[Перевод Интент]
Тематики
Синонимы
EN
- across-the-line starting (US)
- direct line starting
- direct operation of a motor
- direct starting
- direct-on-line starting
- DOL
- full voltage starter application
DE
FR
пускатель прямого действия
Пускатель, одноступенчато подающий сетевое напряжение на выводы двигателя.
(МЭС 441-14-40)
[ ГОСТ Р 50030.4.1-2002 (МЭК 60947-4-1-2000)]
Пускатели переменного тока для прямого непосредственного пуска (с полным напряжением)
Пускатели, предназначенные для пуска двигателя, разгона его до номинальной скорости, защиты двигателя и подключенных к нему цепей от рабочих перегрузок и отключения питания двигателя.
[ ГОСТ Р 50030.4.1-2002 (МЭК 60947-4-1-2000)]EN
direct-on-line starter
a starter which connects the line voltage across the motor terminals in one step
[IEV number 441-14-40]FR
démarreur direct
démarreur qui applique la tension d'alimentation sur les bornes du moteur en une seule manoeuvre
[IEV number 441-14-40]Параллельные тексты EN-RU
Direct-on-line starters
Starters which connect the line voltage across the motor terminals in one step, intended to start and accelerate a motor to normal speed.
They shall ensure switching and protection functions as prescribed in the general definition.
[ABB]Пускатели прямого действия
Пускатели, одноступенчато подающие сетевое напряжение на зажимы двигателя и предназначенные для его пуска и разгона до номинальной скорости.
Кроме того, они должны обеспечивать коммутацию и защиту в соответствии с общим определением.
[Перевод Интент]Тематики
EN
DE
FR
эффект операционного рычага
эффект производственного рычага
Эффект операционного рычага - выражение того факта, что любое изменение выручки от реализации порождает изменение прибыли. Сила воздействия операционного рычага вычисляется как частное от деления выручки от реализации после возмещения переменных затрат на прибыль.
[ http://www.lexikon.ru/dict/fin/a.html]Тематики
Синонимы
EN
Англо-русский словарь нормативно-технической терминологии > DOL
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