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1 automatic voltage regulator system
система автоматического регулирования напряжения
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[В.А.Семенов. Англо-русский словарь по релейной защите]Тематики
EN
Англо-русский словарь нормативно-технической терминологии > automatic voltage regulator system
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2 automatic
автоматический аппарат; II автоматический; самодействующий; автоматизированный- automatic acceleration control unit - automatic accumulator charging - automatic action - automatic adjustment - automatic adjustment mechanism - automatic advance control - automatic air regulator - automatic alarm - automatic alarm signal transmitter - automatic alternation - automatic amplitude control - automatic arc welding - automatic arc welding machine - automatic arc-welding machine - automatic assemblage - automatic assembly - automatic assembly machine - automatic backing-up - automatic backlash control - automatic backup - automatic balance control - automatic balancer - automatic balancing - automatic bar fed turning center - automatic bar feed - automatic bias control - automatic block - automatic bonding unit - automatic brake - automatic brake adjuster - automatic brake arrangement - automatic brake controller - automatic braking - automatic braking system - automatic brazing equipment - automatic buffing machine - automatic burette - automatic butt splicer - automatic calibration - automatic cam-controlled machine - automatic cathead - automatic centering - automatic chain-bending machine - automatic change of tools - automatic change-over - automatic change-over switch - automatic check - automatic check-out recording equipment - automatic checking balance - automatic checking machine - automatic checkout equipment - automatic checkout system - automatic checkout-and-readiness equipment - automatic choke - automatic chuck - automatic chuck extractor - automatic chuck-changing system - automatic chuck jaw changing - automatic chucker - automatic circuit - automatic circuit breaker - automatic circuit recloser - automatic climate control system - automatic closing system - automatic clutch - automatic cold upsetter - automatic come-along clamp - automatic compensation option - automatic compensator - automatic consistency checking - automatic constant tension mooring winch - automatic control - automatic control actuator - automatic control channel - automatic control circuit - automatic control engineering - automatic control equipment - automatic control halting instruction - automatic control installation - automatic control loop - automatic control rod - automatic control system - automatic controller - automatic conveying - automatic coupler - automatic coupling - automatic coupling device - automatic coupling screwing unit - automatic crab winch - automatic crimper - automatic crossover - automatic cut-out torque wrench - automatic cutout - automatic cycle - automatic cycle mechanism - automatic cycle working - automatic cycling equipment - automatic data analyzer - automatic data distribution - automatic data entry - automatic data processing - automatic data processing field branch - automatic data unit - automatic datum search - automatic deicing system - automatic device - automatic diagnosis - automatic diagnostic-and-recovery system - automatic discharging device - automatic disk changer - automatic door - automatic door closer - automatic door photoelectric relay - automatic drilling control - automatic drilling rig - automatic drinking bowl - automatic drive - automatic drive detection - automatic drive engagement - automatic dump - automatic-dump truck - automatic dust ejector - automatic dust unloading valve - automatic ejection - automatic electric drive - electrical drive - automatic electrode changer - automatic elevator - automatic emergency valve - automatic end stop - automatic error correction - automatic error detection - automatic exchange of tools - automatic expansion valve - automatic fault detection - automatic fault finding - automatic fault isolation - automatic fault isolation tester - automatic fault reporting - automatic fault signalling - automatic feature - automatic feed - automatic feed drill - automatic feed-off mechanism - automatic feeder - automatic feeding mechanism - automatic feedoff - automatic fire alarm - automatic fire alarm system - automatic fire annunciator - automatic fire detector - automatic fire sprinkler - automatic fixturing system - automatic flanger - automatic float-type pump-out unit - automatic flour meter - automatic flow tank - automatic focus correction servo-system - automatic forging machine - automatic front wheel drive engagement - automatic fuel economizing device - automatic fuel-control unit - automatic fuel saving device - automatic fuel shut-off - automatic fuse - automatic gage - automatic gaging-and-compensating system - automatic gain adjustment - automatic gain control - automatic gas-cutting machine - automatic gas-welding machine - automatic gate - automatic gate closer - automatic gate opener - automatic gauging - automatic gearbox - automatic generating plant - automatic generator - automatic grab - automatic gripper change - automatic gripper control - automatic guided vehicle - automatic half-hose machine - automatic heater - automatic hill holder - automatic hinged trip spider - automatic hitch - automatic holding - automatic holding device - automatic hopper-feed machine - automatic humidity regulator - automatic identification- Auto-ID- AIS - automatic idling control - automatic ignition - automatic ignition system - automatic ignition timing - automatic input - automatic insertion - automatic interlocking - automatic internal diagnosis - automatic jaw changer - automatic jaw shift device - automatic latching - automatic level - automatic level compensation - automatic level control - automatic level control system - automatic level gauge - automatic level setup - automatic leveling control system - automatic light - automatic light control - automatic light regulation - automatic line - automatic line disconnection - automatic line switching - ALS - automatic load control - automatic load sustaining brake - automatic load-gripping device - automatic loader - automatic loading - automatic lock - automatic locking - automatic locking holder - automatic locking hub - automatic locking spindle - automatic lockout - automatic lockout feature - automatic lubrication - automatic lubricator - automatic machine cycle - automatic magazine bar feed - automatic maintenance - automatic manipulator - automatic measurement-and-compensation system - automatic measuring facilities - automatic metal forming machine - automatic mixture control - automatic mode switching - automatic moisture regulator - automatic monitoring - automatic motor control gear - automatic movements starting - automatic multicam machine - automatic noise limiter - automatic noise-reduction system - automatic oil-flow controller - automatic oiling - automatic opening circuit breaker - automatic opening cover - automatic optimization - automatic overload control - automatic overload limiter - automatic overload stop - automatic packing - automatic pallet handler - automatic pallet storage-retrieval system - automatic part gaging - automatic part-loading conveyor - automatic photodetector - automatic pipe handling system - automatic pipe stabber - automatic placement - automatic plant - automatic polishing machine - automatic positioning - automatic power control - automatic power drawbar control - automatic power rotary scraper - automatic power slips - automatic press for cold pressing of nuts - automatic press for stamping electric motor stator and rotor notches - automatic pressure control - automatic pressure regulator - automatic probe changer - automatic probe changing - automatic probing cycle - automatic punch - automatic rack stacker - automatic radiator shutter - automatic ram pile driver - automatic reading - automatic reclosing circuit breaker - automatic recovery - automatic recovery program - automatic regulation - automatic regulation of belt tension - automatic regulation of drive chain tension - automatic regulation rod - automatic regulator - automatic release - automatic releaser - automatic repeat - automatic remote control - automatic reset - automatic reset-data circuit - automatic restart - automatic return - automatic return valve - automatic rotary line - automatic router - automatic routine - automatic rpm changer - automatic safety device - automatic sample changer - automatic sampler - automatic sampling - automatic sampling device - automatic sampling equipment - automatic sand-blasting machine - automatic scales - automatic screen - automatic selective overdrive - automatic sensitivity control - automatic set point - automatic shaft-position data encoder - automatic shaker bag - automatic shank spindle - automatic shift - automatic shut-off valve - automatic shutdown - automatic side-dumping - automatic signaling - automatic signalization - automatic size control tooling - automatic sorting machine - automatic spark advance - automatic spark advance governor - automatic spark advance magneto - automatic spark timer - automatic spectrometer - automatic spectrophotometer - automatic speed compensation - automatic speed control - automatic speed selection device - automatic spider - automatic spindle gear changing - automatic sprinkler fire control system - automatic stability - automatic stability controls - automatic stabilization and control system - automatic stabilizer - automatic stacker crane - automatic start - automatic starting - automatic starting motor - automatic start-up - automatic steel - automatic steering - automatic step selection - automatic stop - automatic stop switch - automatic straightening and cutting machine - automatic strip-straightening machine - automatic submerged-arc welder - automatic submerged-arc welding - automatic sucker rod spanner - automatic suction pump - automatic surveillance - automatic switch - automatic switchable redundance - automatic switchboard - automatic swivel spindle - automatic synchronization - automatic synchronizer - automatic takeup - automatic takeup mechanism - automatic temperature recording controller - automatic temperature regulator - automatic tensioning winch - automatic test analysis system - automatic test equipment - automatic test system - automatic thrust adjustment - automatic time switch - automatic time-delay switch - automatic timed magneto - automatic timer - automatic timing - automatic timing control - automatic timing device - automatic tipper - automatic tool changing apparatus - automatic tool transport mechanism - automatic tool wear-tool broken sensing system - automatic toolsetting - automatic tongs - automatic training idler - automatic transmission - automatic transmission fluid - automatic trip - automatic troubleshooting - automatic tuning - automatic two-speed geared head - automatic update - automatic vacuum deposition system - automatic valve - automatic valve adjustment - automatic viscosity controller - automatic voltage control - automatic voltage regulator - automatic warehousing - automatic warning - automatic washer - automatic water bowl - automatic water spray fire-fighting system - automatic weight controller - automatic weighing machine - automatic weigher - automatic weld - automatic welder - automatic welding - automatic welding machine - automatic wire feed - automatic workhandling - automatic workhandling device - automatic zero adjustment - automatic zero set -
3 automatic
1) автоматический
2) автоматный
– automatic air regulator
– automatic alarm
– automatic arc welding
– automatic assembly
– automatic balancer
– automatic billing
– automatic brake
– automatic bridge
– automatic calculator
– automatic check
– automatic circuit-breaker
– automatic clutch
– automatic control
– automatic coupler
– automatic cutout
– automatic diagnosis
– automatic ejection
– automatic equipment
– automatic factory
– automatic feed
– automatic feeder
– automatic filler-and-capper
– automatic flanger
– automatic gauging
– automatic grab
– automatic grinder
– automatic guider
– automatic guiding
– automatic hitch
– automatic holding
– automatic interlocking
– automatic labeller
– automatic loom
– automatic lubricator
– automatic machine
– automatic monitoring
– automatic operation
– automatic overlay
– automatic paster
– automatic performance
– automatic pilot
– automatic pipette
– automatic plant
– automatic production
– automatic programming
– automatic recloser
– automatic recorder
– automatic register
– automatic regulation
– automatic release
– automatic releaser
– automatic reset
– automatic ringing
– automatic scales
– automatic set point
– automatic setting
– automatic splicer
– automatic steel
– automatic steering
– automatic stop
– automatic switch
– automatic switching
– automatic telegraphy
– automatic ticketing
– automatic timer
– automatic tracking
– automatic tuning
automatic adjustment of excitation — регулирование возбуждения автоматическое
automatic answering machine — < radio> автономность самолета, автоответчик
automatic block system — < railways> автоблокировка
automatic circuit breaker — автомат защиты сети, выключатель автоматический
automatic cold upsetter — <metal.> автомат холодновысадочный
automatic control equipment — аппаратура автоматического управления
automatic curve follower — устойчиво для автоматического копирования кривых
automatic data processing — автоматизация информационных работ, <comput.> обработка данных автоматическая
automatic deicing system — <aeron.> автомат противообледенительной системы
automatic direction finder — автоматический радиокомпас, <naut.> пеленгатор автоматический
automatic drinking bowl — <agric.> автопоилка
automatic field damper — <electr.> автомат гашения поля
automatic frequency control — частотная АПЧ, автоматическая настройка частоты
automatic frequency unloading — разгрузка автоматическая частотная
automatic fuel distributor — <engin.> распределитель топлива автоматический
automatic fuel-control unit — <engin.> агрегат командно-топливный
automatic gain adjustment — стабилизация усиления автоматическая
automatic gain control — <tech.> регулировка усиления автоматическая
automatic humidity regulator — <comput.> контроллер влажности автоматический
automatic level gage — автур, уровнемер автоматический
automatic moisture regulator — <comput.> регулятор влажности автоматический
automatic parallel-action machin — автомат параллельного действия
automatic phase regulation — регулировка фазы автоматическая
automatic picture stabilization — автоматическая стабилизация изображения
automatic pitch-control mechanism — <aeron.> автомат перекоса
automatic position plotter — <naut.> автопрокладчик
automatic pressure regulator — <comput.> автомат давления
automatic production line — <industr.> линия автоматическая
automatic range finder — <tech.> автодальномер
automatic remote control — <comput.> телеавтоматика
automatic signal transmitter — <commun.> автомат подачи сигналов
automatic stereoplate caster — стереотипный отливной автомат
automatic telephone exchange — автоматическая телефонная станция
automatic temperature regulator — <comput.> регулятор температуры автоматический
automatic tracking device — <comput.> устройство сопровождения автоматическое
automatic train driver — < railways> автомашинист
automatic voltage control — регулирование напряжения автоматическое
automatic voltage regulator — регулятор напряжения автоматический
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4 regulator
- brake force regulator
- centrifugal regulator
- electronic voltage regulator
- electropneumatic regulator
- flow regulator
- fuel pressure regulator
- height regulator
- load regulator
- pressure regulator
- primary-current regulator
- system pressure regulator
- vacuum advance regulator
- vacuum regulator
- voltage regulator -
5 automatic
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6 система автоматического регулирования напряжения
система автоматического регулирования напряжения
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[В.А.Семенов. Англо-русский словарь по релейной защите]Тематики
EN
Русско-английский словарь нормативно-технической терминологии > система автоматического регулирования напряжения
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7 стабилизатор напряжения
1) General subject: surge protector2) Engineering: constant voltage conditioner, constant voltage regulator, constant voltage unit, constant-voltage regulator, constant-voltage unit, potentiostat, voltage regulator, voltage stabilizer3) Railway term: stabilovolt4) Automobile industry: automatic voltage regulator5) Telecommunications: convertron6) Information technology: VR ( регулируемый)7) Chemical weapons: power strip8) Energy system: constant-voltage source9) oil&gas: surge arresterУниверсальный русско-английский словарь > стабилизатор напряжения
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8 АРН
1) Sakhalin energy glossary: AVR (automatic voltage regulator), automatic voltage regulator2) Sakhalin R: автоматический регулятор напряжения3) Energy system: автоматическая регулировка напряжения4) Electrical engineering: автоматическое регулирование напряжения -
9 регулятор
regulator
устройство для поддержания параметра в заданных пределах, или изменения его по заданному закону (программe). — а device, the function of which is to maintain а designated characteristic at а predetermined value or to vary it according to a predetermined plan.
- (часть системы блока или контура регулирования) — control
- (ручка) — control (knob)
set the ind dim control to maximum light intensity.
- аварийной подачи кислорода по высотам — emergency oxygen altitude compensating regulator
-, автоматический — automatic regulator
автоматический или управляемый вручную регулятор предусмотрен для регулирования воздушного или газового потока. — an automatic or manual regulator is provided for contrailing the intake or exhaust airflow.
- весового расхода воздуха (системы кондиционирования) — air mass flow regulator
- времени приемистости — acceleration time adjuster
- входного направляющего апnapata — inlet guide vane control
-, гидро-механический (топливного насоса высокого давления) — hydro-mechanical governor
- громкости — volume control
переменное (регулируемое) сопротивпение уровня для изменения сигнала приемника или усилителя. — а variable resistor for adjusting the loudness of a radio receiver or amplifying device.
- громкости, автоматический — automatic volume control
автоматически поддерживает постоянный уровень выходного сигнала приемника или усилителя. — maintains the output of a radio receiver or amplifier, substantially constant.
- давления — pressure regulator
- давления, автоматический (ард, системы сарd) — (automatic) air pressure regulator
- давления, барометрический — barometric pressure regulator /controller/
- давления в кабине — cabin pressure regulator
- двигателей, электронный (рэд) — electronic engine control
- зазора (тормозных дисков колеса) — wear adjuster
послe растормаживания колеса регулятор зазора автоматически устанавливает необходимый зазор между неподвижными и вращающимися дисками (рис. 32). — wear adjuster keeps the preset working clearance between the rotor and stater plates of wheel brake.
- избыточного давления (рид) (в системе кондиционирования) — (positive) pressure differential regulator, differential pressure regulator
- избыточного давления (рд) (кислородной маски) — differential pressure regulator
- (компенсации) износа (тормозных дисков) — wear adjuster
- компенсации подачи кислорода по высоте — altitude compensating oxygen regulator
- максимальных оборотов (насоса-регулятора) — maximum speed governor
- максимальных оборотов (не допускающий заброса оборотов) — overspeed governor
- малого газа (гтд) — idling speed governor
- направляющего аппарата (pha) — inlet guide vane control (unit)
- напряжения — voltage regulator
устройство для поддержания напряжения генератора в заданных пределах. — а device that maintains or varies the terminal voltage of а generator at а predetermined value.
- напряжения, угольный — carbon-pile voltage regulator
- настройки (регулировочный винт) — adjuster
- настройки клапана перелома характеристик приемистости — acceleration time adjuster
- настройки максимальных оборотов (топливного регулятора) — maximum speed adjuster
- натяжения троса — cable tension adjuster /regulator/
- обогрева — temperature control
- оборотов — speed governor
механизм для поддержания оборотов двигателя (ротора) в заданных пределах. — governor is а mechanism designed to maintain the speed (rpm) of engine (rotor) within reasonably constant limits.
- оборотов воздушного винта — propeller speed governor
при превышении заданного числа оборотов, регулятор поворачивает лопасти воздушного винта в сторону большого шага, а при падении оборотов - в сторону малого шага. — governor is in onspeed condition when its system in neutral position, overspeed blades are moved to higher pitch, underspeed - blades are moved to lower pitch.
- оборотов, всережимный — all-speed governor
- оборотов, гидромеханический — hydraulic (speed) governor
регулятор имеет крыльчатку, работающую в качестве центробежного насоса масла, жидкости. — this governor consists of an impeller acting as а centrifugal pump with oil as fluid.
- оборотов (на режиме) малого газа — idling, speed governor
для поддержания оборотов малого газа при изменении нагрузки на агрегаты двигателя и температуры воздуха на входе в двигатель. — то maintain idling rpm under varying conditions of accessory load and air intake temperature.
- оборотов ротора (компресcopa) высокого давления (квд) — hp rotor /shaft/ (speed) governor
для поддержания постоянных оборотов ротора квд на заданном режиме и изменения режима двигателя при перемещении руд. — то maintain the hp rotor speed constant at the set power rating and to change the engine power with the throttle being moved.
- оборотов ротора (компресcopa) низкого давления (кнд) — lp rotor /shaft/ (speed) governor
- оборотов, центробежный — centrifugal governor
- падения давления (насосарегулятора) — pressure drop governor
- подачи кислорода (рпк, кислородного прибора) — oxygen regulator
- подачи кислорода по высотам — altitude compensating oxygen regulator
the altitude compensating regulator regulates the oxygen flow in relation to cabin altitude.
- (постоянного) перепада давлений — differential pressure regulator
- постоянства давления (наддува пд) — automatic manifold pressure regulator
- постоянства оборотов — constant-speed governor
- предельной температуры газов за турбиной — exhaust gas temperature (еgт) regulator
- предельных оборотов (в топливном насосе-регуляторе) — maximum speed governor
регулятор управляет командным давлением для ограничения максимальных оборотов квд двигателя. — the msg in the hp pump controls servo pressure to limit engine speed to a maximum of... n2.
- предельных режимов (рпр, двиг.) — (engine) limit governor
- привода постоянных оборотов (рппо) — constant speed drive governor
- пропорционального расхода (топпива) — proportional (fuel) flow regulater
- рамы — gimbal vertical controller
предназначен для вертикальной стабилизации следящей рамы курсовертикали.
- расхода (жидкости или газа) — flow regulator
- расхода (воздуха системы кондиционирования) — (air) flow rate control
- расхода топлива — fuel flow regulator (ffr)
- расхода топлива (узел дозирующей иглы насоса-регулятора) — throttle (valve) unit
- режимов двигателя, электронный (эррд) — electronic engine power governor (eepg)
- сброса давления (топлива форсажной камеры) — fuel pressure drop regulator
- скорости изменения давления (воздуха системы герметизации кабин) — air pressure rate control /regulator/
- смеси (пд) — mixture control
mixture control lever settings: "full rich", "auto rich", "auto lean", "idle cut-off".
- сопла и форсажа или форсажного контура (рсф) — exhaust nozzle and augmentor control
- степени повышения давления (гтд) — pressure ratio control unit
управляет створками реактивного сопла по сигналам рз и р6.
- температуры, автоматический (автомат регулирования температуры воздуха в системе кондиционирования) — automatic temperature control
- температуры, всережимный предельный (впрт) — all-power exhaust gas temperature regulator
- температуры воздуха в кабине — cabin temperature control /regulator/
- температуры выходящих газов — exhaust gas temperature regulator, egt regulator
- температуры газов за турбиной — exhaust gas temperature (egt) regulator
- температуры, предельный (двигателя) — top temperature regulator
- температуры топлива (топливомасляный агрегат) — fuel temperature regulator
топливомасляный агрегат работает в качестве регулятора температуры масла двигателя. — the fuel-oil heat exchanger functions as fuel temperature regulator.
- топлива (топливный) — fuel flow regulator (ffr), fuel control unit (fcu)
pt обеспечивает потребный расход и давление подаваемого к форсункам топлива на вcex режимах работы двигателя. — the fcu function is to regulate the correct fuel flows and pressures for all engine operating conditions.
-, управляемый вручную (принудительно) — manual regulator
- усиления, автоматический (ару) — automatic gain control (agc)
цепь для выдерживания постоянного уровня выходного сигнала приемника независимо от изменения уровня входного сигнала. — а type of circuit used to maintain the output volume of а receiver constant, regardless of variations in the signal strength applied to the receiver.
- форсажного топлива — afterburner fuel control unit
-, центробежный (оборотов) — centrifugal governor
- часов — clock regulator
для замедления или ускорения хода часов. position. — the clock regulator may be set in slow (s) or fast (f)
- частоты вращения — speed governor
- частоты вращения, центробежный — centrifugal speed governor
- числа оборотов — speed governor
- числа оборотов ротора вд — hp rotor (shaft) speed governor
- яркости — light intensity control
- яркости (устройства уви системы омега) — dimmer control (dim). allows illumination intensity of displays.Русско-английский сборник авиационно-технических терминов > регулятор
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10 виды коррекции коэффициента мощности
виды коррекции коэффициента мощности
-There are 2 types of power factor correction: fixed or automatic.
Fixed power factor correction consists of inserting, in parallel on the network, a capacitor bank whose total power is provided by the assembly of capacitors of identical or different ratings. The bank is energized by a contactor that simultaneously supplies all the capacitors (a single step).
The inrush current peak, in the case of fixed correction, can reach 30 times the nominal current of the capacitor bank.
An automatic power factor correction system, on the other hand, consists of several capacitor banks of identical or different ratings (several steps), energized separately according to the value of the power factor to be corrected.
An electronic device automatically determines the power of the steps to be energized and activates the relevant contactors.
The inrush current peak, in the case of automatic correction, depends on the power of the steps already on duty, and can reach 100 times the nominal current of the step to be energized.
[ABB]
PFC Types
There are two types of Power Factor Correction - Passive PFC and Active PFC.
Passive PFC uses passive elements like a ferrite core inductor on the AC input. It is very easy to implement in existing power circuits although the power factor is low at 60-80%. The proper AC input voltage (115V or 230V) must also be chosen manually. In addition, significant EMI can still result with a 115V AC source. Of course, a 230V AC source will not have this problem!.
Active PFC, on the other hand, uses a switching regulator with active elements like an IC, FETs (Field Effect Transistors) and diodes to create an active PFC circuit. This circuit allows the power supply to achieve a power factor of up to 95%, significantly reduce harmonics and automatically adjusts the AC input voltage. This means you do not have to manually select the AC input voltage. It works with all voltages from 110V to 240V.
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Тематики
EN
Русско-английский словарь нормативно-технической терминологии > виды коррекции коэффициента мощности
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11 PFC types
виды коррекции коэффициента мощности
-There are 2 types of power factor correction: fixed or automatic.
Fixed power factor correction consists of inserting, in parallel on the network, a capacitor bank whose total power is provided by the assembly of capacitors of identical or different ratings. The bank is energized by a contactor that simultaneously supplies all the capacitors (a single step).
The inrush current peak, in the case of fixed correction, can reach 30 times the nominal current of the capacitor bank.
An automatic power factor correction system, on the other hand, consists of several capacitor banks of identical or different ratings (several steps), energized separately according to the value of the power factor to be corrected.
An electronic device automatically determines the power of the steps to be energized and activates the relevant contactors.
The inrush current peak, in the case of automatic correction, depends on the power of the steps already on duty, and can reach 100 times the nominal current of the step to be energized.
[ABB]
PFC Types
There are two types of Power Factor Correction - Passive PFC and Active PFC.
Passive PFC uses passive elements like a ferrite core inductor on the AC input. It is very easy to implement in existing power circuits although the power factor is low at 60-80%. The proper AC input voltage (115V or 230V) must also be chosen manually. In addition, significant EMI can still result with a 115V AC source. Of course, a 230V AC source will not have this problem!.
Active PFC, on the other hand, uses a switching regulator with active elements like an IC, FETs (Field Effect Transistors) and diodes to create an active PFC circuit. This circuit allows the power supply to achieve a power factor of up to 95%, significantly reduce harmonics and automatically adjusts the AC input voltage. This means you do not have to manually select the AC input voltage. It works with all voltages from 110V to 240V.
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Тематики
EN
Англо-русский словарь нормативно-технической терминологии > PFC types
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12 types of power factor correction
виды коррекции коэффициента мощности
-There are 2 types of power factor correction: fixed or automatic.
Fixed power factor correction consists of inserting, in parallel on the network, a capacitor bank whose total power is provided by the assembly of capacitors of identical or different ratings. The bank is energized by a contactor that simultaneously supplies all the capacitors (a single step).
The inrush current peak, in the case of fixed correction, can reach 30 times the nominal current of the capacitor bank.
An automatic power factor correction system, on the other hand, consists of several capacitor banks of identical or different ratings (several steps), energized separately according to the value of the power factor to be corrected.
An electronic device automatically determines the power of the steps to be energized and activates the relevant contactors.
The inrush current peak, in the case of automatic correction, depends on the power of the steps already on duty, and can reach 100 times the nominal current of the step to be energized.
[ABB]
PFC Types
There are two types of Power Factor Correction - Passive PFC and Active PFC.
Passive PFC uses passive elements like a ferrite core inductor on the AC input. It is very easy to implement in existing power circuits although the power factor is low at 60-80%. The proper AC input voltage (115V or 230V) must also be chosen manually. In addition, significant EMI can still result with a 115V AC source. Of course, a 230V AC source will not have this problem!.
Active PFC, on the other hand, uses a switching regulator with active elements like an IC, FETs (Field Effect Transistors) and diodes to create an active PFC circuit. This circuit allows the power supply to achieve a power factor of up to 95%, significantly reduce harmonics and automatically adjusts the AC input voltage. This means you do not have to manually select the AC input voltage. It works with all voltages from 110V to 240V.
[ http://www.techarp.com/showarticle.aspx?artno=81&pgno=1]
Тематики
EN
Англо-русский словарь нормативно-технической терминологии > types of power factor correction
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13 Brush, Charles Francis
[br]b. 17 March 1849 Euclid, Michigan, USAd. 15 June 1929 Cleveland, Ohio, USA[br]American engineer, inventor of a multiple electric arc lighting system and founder of the Brush Electric Company.[br]Brush graduated from the University of Michigan in 1869 and worked for several years as a chemist. Believing that electric arc lighting would be commercially successful if the equipment could be improved, he completed his first dynamo in 1875 and a simplified arc lamp. His original system operated a maximum of four lights, each on a separate circuit, from one dynamo. Brush envisaged a wider market for his product and by 1879 had available on arc lighting system principally intended for street and other outdoor illumination. He designed a dynamo that generated a high voltage and which, with a carbon-pile regulator, provided an almost constant current permitting the use of up to forty lamps on one circuit. He also improved arc lamps by incorporating a slipping-clutch regulating mechanism and automatic means of bringing into use a second set of carbons, thereby doubling the period between replacements.Brush's multiple electric arc lighting system was first demonstrated in Cleveland and by 1880 had been adopted in a number of American cities, including New York, Boston and Philadelphia. It was also employed in many European towns until incandescent lamps, for which the Brush dynamo was unsuitable, came into use. To market his apparatus, Brush promoted local lighting companies and thereby secured local capital.[br]Principal Honours and DistinctionsChevalier de la Légion d'honneur 1881. American Academy of Arts and Sciences Rumford Medal 1899. American Institute of Electrical Engineers Edison Medal 1913.Bibliography18 May 1878, British patent no. 2,003 (Brush dynamo).11 March 1879, British patent no. 947 (arc lamp).26 February 1880, British patent no. 849 (current regulator).Further ReadingJ.W.Urquhart, 1891, Electric Light, London (for a detailed description of the Brush system).H.C.Passer, 1953, The Electrical Manufacturers: 1875–1900, Cambridge, Mass., pp. 14– 21 (for the origins of the Brush Company).S.Steward, 1980, in Electrical Review, 206:34–5 (a short account).See also: Hammond, RobertGW -
14 braking
торможение; стопорение; затормаживание; II тормозящий; стопорный; тормозящий- braking area - braking characteristic - braking circuit - braking clamp - braking club - braking condition - braking conditions - braking contact - braking contactor - braking controller - braking couple - braking current - braking cycle - braking cylinder - braking deceleration - braking device - braking distance - braking during cornering - braking effect - braking efficiency - braking effort - braking element - braking energy - braking factor - braking fault - braking fluid - braking force - braking force limiter - braking-force metering - braking force regulator - braking frequency - braking grade - braking heat - braking laws - braking length - braking liquid - braking load - braking magnet - braking mode - braking moment - braking operation - braking path - braking period - braking performance - braking position - braking power - braking pressure - braking ratio - braking regulations - braking relay - braking resistor - braking response - braking retardation - braking rheostat - braking service - braking stability - braking stress - braking surface - braking surface capacity - braking system - braking temperature - braking test - braking time - braking time to standstill - braking torque - braking value - braking voltage - braking weight transfer - braking with motor - braking work - aerodynamic braking - divided braking - dynamic braking - eddy-current braking - electric braking - emergency braking - engine braking - gradual braking - hard braking - magnetic braking - motor braking - panic braking - pneumatic braking - progressive braking - regenerative braking - repeated braking - reverse-current braking - rheostatic braking - service braking - spacing braking - split braking - stab braking - uniform braking
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