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41 call-duration-limiting circuit
n TELECOM Gesprächsdauerbegrenzer mDictionary English-German Informatics > call-duration-limiting circuit
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42 current-limiting circuit
English-Russian mining dictionary > current-limiting circuit
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43 circuit
1) схема; цепь; контур2) эл. сеть4) шлейф ( в телефонии)•to track circuits — сопрягать контуры-
in-line hydraulic circuit
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tee-test hydraulic circuit
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absorption circuit
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ac circuit
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active circuit
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adapter circuit
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adder circuit
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addressing circuit
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aerial circuit
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aerodrome circuit
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aerodrome taxi circuit
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aerodrome traffic circuit
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aeromagnetic circuit
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alarm circuit
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alive circuit
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amplifying circuit
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analogous circuit
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analog circuit
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ancillary circuit
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AND circuit
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AND-to-OR circuit
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AND-OR circuit
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anticoincidence circuit
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antihunt circuit
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antireciprocal circuit
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antiresonance circuit
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antiresonant circuit
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aperiodic circuit
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approach circuit
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astable circuit
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autodyne circuit
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automatic frequency control circuit
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automatic reciprocation pneumatic circuit
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auxiliary circuit
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auxiliary coolant circuit
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averaging circuit
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back-to-back circuit
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balanced circuit
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balancing circuit
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bias and erase circuit
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bias circuit
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bidirectional hydraulic motor circuit
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bipolar circuit
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bistable circuit
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black-level restoring circuit
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blanking circuit
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blasting circuit
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blocking circuit
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booster hydraulic circuit
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bound circuit
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boxcar circuit
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brake retraction circuit
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branched circuit
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branch circuit
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breadboard circuit
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break circuit
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bridge circuit
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bridged circuit
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broken circuit
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bubble circuit
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bucket-brigade circuit
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buffer circuit
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burst-gating circuit
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calibrating circuit
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call circuit
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carrier recovery circuit
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cascode circuit
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cavity circuit
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charge circuit
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charge-coupied device circuit
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charging circuit
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checkout circuit
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cholesteric circuit
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chopping circuit
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chromatic circuit
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circulating lubrication circuit
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clamp circuit
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cleaning circuit
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clearing circuit
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clipping circuit
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clocked circuit
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closed circuit
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close circuit
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closed loop circuit
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closed loop hydraulic motor circuit
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coaxial circuit
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code track circuit
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coincidence circuit
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color-killer circuit
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color-processing circuit
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combination air-oil circuit
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combinational circuit
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common-base circuit
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common-collector circuit
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common-drain circuit
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common-emitter circuit
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common-gate circuit
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common-source circuit
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communication circuit
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comparator circuit
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compensating circuit
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complementary circuit
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completed circuit
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composite circuit
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condensate circuit
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control circuit
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convergence circuit
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coolant circuit
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cooling short circuit
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cord circuit
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correcting circuit
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counter circuit
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coupled circuits
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cross rectifier circuit
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crushing circuit
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current circuit
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current-feedback circuit
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current-limiting circuit
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current-limit circuit
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damping circuit
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Danington circuit
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dc circuit
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dead circuit
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decision making circuit
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decision circuit
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decoding circuit
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decoupling circuit
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dedicated circuit
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de-emphasis circuit
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degaussing circuit
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degenerative circuit
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delay circuit
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delta circuit
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derived circuit
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detecting circuit
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detuned circuit
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dial toll circuit
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dial-up circuit
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differentiating circuit
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digital circuit
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diplex circuit
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direct circuit
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direct speech circuit
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discharge circuit
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distributed-element circuit
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dividing circuit
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double-rail track circuit
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drive circuit
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driver circuit
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dual circuit
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dual-relief braking hydraulic motor circuit
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duplex circuit
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dynamic braking circuit
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earthed circuit
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earth circuit
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edge-activated circuit
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electric circuit
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electrical safety circuit
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electrolysis circuit
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electronic circuit
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emphasis circuit
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enabling circuit
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energized circuit
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engineering circuit
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enhancement circuit
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equilization circuit
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equivalent circuit
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error correcting circuit
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evaporating circuit
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exciting circuit
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exclusive OR circuit
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exposure control circuit
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exposure measuring circuit
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external circuit
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external load circuit
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fallback circuit
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feed circuit
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feed motor circuit
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feedback circuit
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feedrate override circuit
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filament circuit
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filter hydraulic circuit
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firing circuit
-
flip-flop circuit
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flotation circuit
-
flow circuit
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fluid circuit
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forked circuit
-
four-terminal circuit
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four-wire circuit
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frame-scanning circuit
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free-running circuit
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frequency determining circuit
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frequency-changing circuit
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full-wave circuit
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gain circuit
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gas circuit
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gate circuit
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grinding circuit
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ground short circuit
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grounded circuit
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ground circuit
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half-duplex circuit
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half-phantom circuit
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half-wave circuit
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half-wave track circuit
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heat transport main circuit
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heater circuit
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holding circuit
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horizontal scanning circuit
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hotline circuit
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hybrid-type circuit
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hybrid circuit
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hydraulic circuit
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hydraulic servo circuit
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identification circuit
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idler circuit
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ignition circuit
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ignition primary circuit
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ignition secondary circuit
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impulse circuit
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impulsing circuit
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incoming track circuit
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inductive circuit
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inhibit circuit
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input circuit
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insulated circuit
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integrated circuit
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integrating circuit
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intentional short circuit
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interface circuit
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interlocking circuit
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interlock circuit
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international television circuit
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inverter circuit
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invert circuit
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iron circuit
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jointless pulse track circuit
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junction circuit
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keep-alive circuit
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ladder circuit
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lagging circuit
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latching circuit
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LC circuit
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leakage circuit
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leak circuit
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leased circuit
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level circuit
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linear circuit
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linearizing circuit
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line-scanning circuit
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line-to-ground short circuit
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live circuit
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load circuit
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locking circuit
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locking hydraulic circuit
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locking track circuit
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logic circuit
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long-distance transmission circuit
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loop circuit
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low-loss circuit
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lumped-element lumped-parameter circuit
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lumped lumped-parameter circuit
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lumped-element circuit
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lumped circuit
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magnetic circuit
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magnetic-core circuit
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main circuit
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majority circuit
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make circuit
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matching circuit
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match circuit
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matrix circuit
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maximum power control circuit
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measuring circuit
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memory circuit
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mesh circuit
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metallic circuit
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meter-current circuit
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metering circuit
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meter-voltage circuit
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microelectronic circuit
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microwave circuit
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molecular circuit
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monitoring circuit
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monostable circuit
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motor control circuit
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multidrop circuit
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multiplication circuit
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multipoint circuit
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multistable circuit
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multistage circuit
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muting circuit
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NAND circuit
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narrowband circuit
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network circuit
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neutral track circuit
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neutralizing circuit
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noise-balancing circuit
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noninductive circuit
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NOR circuit
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NOT circuit
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NOT-AND circuit
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NOT-OR circuit
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offset compensating circuit
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one-pole circuit
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one-rail track circuit
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one-wire circuit
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open circuit
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open loop circuit
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open-wire circuit
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OR circuit
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order wire circuit
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OR-ELSE circuit
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oscillating circuit
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oscillation circuit
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oscillatory circuit
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output circuit
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overflux circuit
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overhead circuit
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packaged circuit
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paging circuit
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parallel circuit
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parallel-resonant circuit
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parallel-series circuit
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passive circuit
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peak white-limiting circuit
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peaking circuit
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phantom circuit
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phase switching circuit
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phase-comparison circuit
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phase-compensating circuit
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phase-equalizing circuit
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phase-inverting circuit
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phase-sensitive track circuit
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phase-shifting circuit
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phase-shift circuit
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pilot circuit
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pneumatic circuit
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points control circuit
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points track circuit
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point-to-point circuit
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polarity circuit
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polarized track circuit
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polling circuit
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polyphase circuit
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potential circuit
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power circuit
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precharge circuit
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precision timing circuit
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pressure control hydraulic circuit
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primary circuit
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primary coolant circuit
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printed circuit
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protection circuit
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pulse circuit
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pulse-shaping circuit
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pump unloading hydraulic circuit
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pumping circuit
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pump circuit
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push-pull circuit
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push-to-type circuit
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quadruplex circuit
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radiation-hardened circuit
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radio communication circuit
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radio circuit
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RC circuit
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reaction circuit
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reaction track circuit
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reactive circuit
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reclosing circuit
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rectification circuit
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reference circuit
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reflex circuit
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regenerative circuit
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register mark recognition circuit
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regrinding circuit
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regulating circuit
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rejector circuit
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relay circuit
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relay contact switching circuit
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relay contact circuit
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remote-ring circuit
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replenishing hydraulic motor circuit
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reset circuit
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resonance circuit
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retaining circuit
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return circuit
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ring circuit
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ringing circuit
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route locking circuit
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sample circuit
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sample-and-hold circuit
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sampler circuit
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scaling circuit
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scanning circuit
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schematic circuit
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screening circuit
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secondary circuit
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secondary coolant circuit
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selecting circuit
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selection circuit
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self-bias circuit
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self-checking circuit
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self-holding circuit
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self-test circuit
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semiconductor circuit
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separation circuit
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sequencing circuit
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series circuit
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series-resonant circuit
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series-tuned circuit
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service circuit
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shell circuit
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shifting circuit
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short circuit
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shunt circuit
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shutoff circuit
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signal circuit
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signaling circuit
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simplex circuit
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single-phase circuit
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single-rail track circuit
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single-wire circuit
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slow-wave circuit
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smoothing circuit
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sneak circuit
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solid-state circuit
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solid circuit
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spare circuit
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speaker circuit
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speed regulating circuit
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squelch circuit
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standby circuit
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star-connected circuit
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starting circuit
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station conventional track circuit
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steady energy track circuit
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stripline circuit
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strip circuit
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subcarrier recovery circuit
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subtransmission circuit
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superconducting circuit
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supply circuit
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suppression circuit
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sustained short circuit
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sweep circuit
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switched circuit
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switching circuit
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symbolic circuit
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symmetrical circuit
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symmetric circuit
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synchronization circuit
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synchronizing hydraulic circuit
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synchronous circuit
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table circuit
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tank circuit
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tap circuit
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tapped circuit
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T-circuit
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telegraph circuit
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telephone circuit
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temperature stabilized circuit
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tension sensing circuit
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terminal circuit
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test circuit
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thickening circuit
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three-phase circuit
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threshold circuit
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throttled circuit
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through circuit
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tilt kickout hydraulic circuit
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time-base circuit
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time-delay circuit
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timer circuit
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time-slot assigner circuit
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timing circuit
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toll circuit
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tool selector circuit
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toroidal magnetic circuit
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touch sensing circuit
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track circuit
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train dispatching circuit
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transient short circuit
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transmission hydraulic circuit
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trap circuit
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tree circuit
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triggering circuit
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trigger circuit
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trouble-detecting circuit
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trunk circuit
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tube circuit
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tuned circuit
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two-port circuit
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two-state circuit
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two-terminal circuit
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two-wire circuit
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unbalanced circuit
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unidirectional hydraulic motor circuit
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unipolar circuit
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vertical-scanning circuit
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virtual circuit
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voltage-feedback circuit
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warning circuit
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white clip circuit
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wideband circuit
-
wire circuit
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wired AND circuit
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wired circuit
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wired OR circuit
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wye-connected circuit
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wye circuit
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zero-lose circuit -
44 circuit
1) схема; цепь; контур2) линия3) канал4) сеть•- adapter circuit
- adjustment circuit
- alive circuit
- announcing circuit
- anode circuit
- antisidetone circuit
- asynchronous circuit
- automatic reset-data circuit
- automatic ringdown circuit
- automatic start circuit
- auxiliary circuit
- balanced circuit
- balanced-wire circuit
- balancing circuit
- band-switching circuit
- basic circuit
- black-level restoring circuit
- black-level stretch circuit
- bootstrap circuit
- branch circuit
- branched circuit
- bridge antisidetone circuit
- building-out circuit
- built-up circuit
- Buttler circuit
- bypass circuit
- cached circuit
- call circuit
- capacitor-coupled circuit
- capacitor-switched circuit
- capacitor-switching circuit
- central-battery circuit
- chain-type connection circuit
- character generator large-scale integration circuit
- charge-coupled device circuit
- check parity circuit
- checkout circuit
- chrominance matrix circuit
- chrominance separation circuit
- chrominance takeoff circuit
- clamp-on circuit
- closed circuit
- coarse phasing circuit
- coaxial circuit
- coincidence circuit
- color-balance circuit
- color-indexing circuit
- color-purity circuit
- combinational-circuit circuit
- combined-supply circuit
- common-base circuit
- common-battery circuit
- common-collector circuit
- common-drain circuit
- common-emitter circuit
- common-gate circuit
- common-source circuit
- common-user circuit
- communication circuit
- comparing circuit
- compensating antisidetone circuit
- complemental metal-oxide-semiconductor circuit
- composite circuit
- conductor-bundled static wire circuit
- conference circuit
- connecting circuit
- constant-closed circuit
- contactor-relay circuit
- continental circuit
- convergence circuit
- cord circuit
- correcting circuit
- Costas circuit
- counter-coupling circuit
- counting-down circuit
- coupled circuit
- cross-bus matrix circuit
- crossed-waveguide circuit
- cue circuit
- cutoff circuit
- Darlingtone circuit
- data circuit
- data-transmission circuit
- dc restoration circuit
- decoder circuit
- delay circuit
- demodulation circuit
- dial-up circuit
- diamond circuit
- differencing circuit
- differential-frequency circuit
- digital circuit
- digital-excitation circuit
- digital-leased circuit
- diode-clamping circuit
- diode-clipping circuit
- diode-stabilitron circuit
- direct international circuit
- direct-connection circuit
- direct-transit international circuit
- direct-wire circuit
- double half-wave circuit
- double-ended cord circuit
- double-loop circuit
- dual circuit
- earth circuit
- earthed circuit
- echo-absorption circuit
- edge derivation circuit
- electric circuit
- electronic circuit
- elementary circuit
- encoding circuit
- energized circuit
- engineering circuit
- equivalent circuit
- error-subtracting circuit
- external circuit
- fallback circuit
- feed circuit
- feedback circuit
- fiber-optic circuit
- fire-control circuit
- fixed-virtual circuit
- flexible circuit
- flexible-stage circuit
- flywheel circuit
- forked circuit
- four-wire circuit
- frame scanning circuit
- frequency-changing circuit
- frequency-protection circuit
- full-accessible circuit
- full-period allocated circuit
- functional-switching circuit
- gallium-arsenide integrated circuit
- gating circuit
- generating circuit
- Gilbert circuit
- Grets circuit
- grid circuit
- ground-return circuit
- grouping circuit
- half-bridge circuit
- half-wave circuit
- hardened circuit
- head circuit
- HF-correction circuit
- holding circuit
- horizontal deflection circuit
- hybrid circuit
- hypothetical reference circuit
- idle lighting limiting circuit
- inclined adjustment circuit
- incoming circuit
- independent circuit
- inductive circuit
- input circuit
- input-by-output matrix circuit
- inquiry circuit
- integrated circuit
- integrating circuit
- interchange circuit
- interface-integrated circuit
- interferenced circuit
- interferencing circuit
- international leased circuit
- interstage coupling circuit
- invertor circuit
- ISDN echo cancellation circuit
- isochronic circuit
- Jiakoletto circuit
- junction circuit
- Karp circuit
- keep-alive circuit
- key section power circuit
- killer circuit
- ladder circuit
- lamp circuit
- large-scale integration circuit
- latched circuit
- LCR circuit
- lead changeover circuit
- LF-correction circuit
- line circuit
- linear circuit
- link circuit
- live circuit
- local circuit
- lock-in circuit
- locking circuit
- lock-out circuit
- long circuit
- long-distance circuit
- longitudinal circuit
- loop circuit
- lossless resonant circuit
- L-shaped circuit
- magnetic convergence circuit
- main supply circuit
- make circuit
- Marx circuit
- match circuit
- matching circuit
- matrix circuit
- message circuit
- microelectronic circuit
- microphone supply circuit
- multidrop circuit
- multijunctor circuit
- multiloop circuit
- multipoint circuit
- muting circuit
- neodymium magnetic circuit
- neutral circuit
- neutralization circuit
- neutralizing circuit
- noise-rejecting circuit
- noise-suicide circuit
- nonlinear circuit
- NOT circuit
- on-call circuit
- open circuit
- optoelectronic integrated circuit
- OR circuit
- order wire circuits
- OR-ELSE circuit
- oscillating circuit
- oscillation circuit
- output circuit
- output voltage tracking circuit
- packaged circuit
- paging circuit
- parallel circuit
- partially accessible circuit
- peaking circuit
- periodic closed circuit
- phantom circuit
- phase comparating circuit
- phase compensating circuit
- phase-shift circuit
- phase-substitution circuit
- physical circuit
- pilot circuit
- pilot-make-busy circuit
- planar circuit
- point-to-point circuit
- polling circuit
- polyphase circuit
- power circuit
- power-supply circuit
- precision phasing circuit
- primary circuit
- printed circuit
- private leased circuit
- protection circuit
- pulse-phase control circuit
- push-to-talk circuit
- push-to-type circuit
- quenching circuit
- quiet-tuning circuit
- radial supply circuit
- radio circuit
- RC circuit
- reactance control circuit
- reading circuit
- rectification circuit
- reference circuit
- rejecting circuit
- relay cutout circuit
- remote control circuit
- remote-ring circuit
- repeat circuit
- reset circuit
- resonance circuit
- resonant circuit
- reverse circuit
- reverse diode circuit
- ring circuit
- ringing circuit
- sample-and-hold circuit
- scaling circuit
- Scott circuit
- secondary circuit
- section substitution circuit
- selecting circuit
- selective circuit
- self-locked circuit
- series circuit
- series-oscillating circuit
- series-parallel circuit
- series-peaking circuit
- series-tuned circuit
- shaping circuit
- shaved single frequency circuit
- short circuit
- shunt circuit
- shunting circuit
- shunt-peaking circuit
- side circuit
- signal circuit
- signal processing circuit
- signal recovery circuit
- single-current circuit
- single-ended push-pull circuit
- single-frequency resonance circuit
- single-phase bridge circuit
- single-phase circuit
- snap-acting circuit
- solving circuit
- sound-program circuit
- spark-safe circuit
- speech circuit
- speed regulating circuit
- squaring circuit
- stabilizer circuit
- stable circuit
- stage circuit
- stage control circuit
- standard cable circuit
- standard circuit
- standby circuit
- stenode circuit
- storage large-scale integration circuit
- storage locking circuit
- straightforward circuit
- strap magnetic circuit
- strip-line circuit
- super large scale integration circuit
- superimposed circuit
- superposed circuit
- supply circuit
- sweep circuit
- switched circuit
- switching circuit
- symistor control circuit
- synchronous circuit
- tail circuit
- talk-back circuit
- tandem data circuit
- tank circuit
- tapped magnetic circuit
- tapped stage circuit
- telecommunication circuit
- telecommunication-protection circuit
- telegraph circuit
- telegraph grade circuit
- telegraph signal generating circuit
- telephone circuit
- telephone signal generating circuit
- telesignaling receiving circuit
- telesignaling sending circuit
- television circuit
- terminal circuit
- test circuit
- testing circuit
- third circuit
- three-loop circuit
- three-phase input circuit
- three-wire circuit
- through circuit
- thyristor control circuit
- time protection circuit
- time-delay circuit
- time-interval protection circuit
- time-setting circuit
- timing circuit
- toll circuit
- touch sensing circuit
- touch tone dial circuit
- transformer substitution circuit
- transformer-coupled circuit
- transistor clipping circuit
- transistor collector circuit
- transistor control circuit
- transistor protection circuit
- tributary circuit
- triode clamp circuit
- trunk circuit
- T-shaped circuit
- tuned circuit
- twelve-pulse circuit
- two-frequency resonance circuit
- two-loop circuit
- two-wire-ground circuit
- uniform circuit
- unstable circuit
- untapped circuit
- untapped magnetic circuit
- U-shaped circuit
- variometer controlling circuit
- video circuit
- virtual circuit
- voice circuit
- voltage multiplying circuit
- voltage sensor circuit
- watching output circuit
- wideband circuit
- wire circuit
- wired circuitEnglish-Russian dictionary of telecommunications and their abbreviations > circuit
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45 circuit
цепь, схема; линия связи; круг ( над аэродромом) ; полет по кругу; посадочный круг; оборот ( спутника вокруг планеты) ; летать по кругу, делать круг (и) -
46 circuit
цепь (напр. электрическая, гидравлическая); контур; схема электрическая; петля (дорожная); объезд; кругооборот; длина окружности; канал; линия; тракт; сеть (компьтерная)- circuit alarm - circuit arc - circuit arrangement - circuit-breaker - circuit-breaker oil - circuit-breaker with lockout preventing closing - circuit changer - circuit closer - circuit conduit - circuit coupling - circuit decoupling - circuit diagram - circuit drop-in - circuit interrupter - circuit overload - circuit overloading - circuit path - circuit pressure - circuit railroad - circuit speed - circuit supervision - circuit tester - circuit wiring - air circuit-breaker - boosted circuit - bring into a circuit - core-type magnetic circuit - current-limiting circuit-breaker - cut in a circuit - de-energize a circuit - ground a circuit - guard circuit - high-frequency circuit - hold a circuit - primary drive circuit - race circuit - reheat circuit - route release circuit - seize a circuit - safety circuit - self-exciting circuit - series track circuit - shell-type magnetic circuit - steam-generating circuit - stick circuit - sync circuit - testing circuit - traction motor circuit - welding circuit -
47 circuit-breaker
выключатель; прерыватель- current-limiting circuit-breakerEnglish-Russian dictionary of mechanical engineering and automation > circuit-breaker
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48 limiting short-time current of an output circuit
- предельный кратковременный ток выходной цепи электрического реле
- предельный кратковременный ток выходной цепи
предельный кратковременный ток выходной цепи
-
[IEV number 445-04-01]EN
limiting short-time current of an output circuit
short-time withstand current of an output circuit (deprecated)
highest value of electric current which a closed contact or an effectively conducting output circuit is capable of carrying for a specified short period under specified conditions
[IEV number 445-04-01]FR
courant limite de courte durée d'un circuit de sortie, m
valeur la plus élevée du courant électrique qu'un contact fermé ou un circuit de sortie à l'état passant est capable de supporter dans des conditions spécifiées et pendant une courte durée spécifiée
[IEV number 445-04-01]Тематики
- электротехника, основные понятия
EN
- limiting short-time current of an output circuit
- short-time withstand current of an output circuit (deprecated)
DE
FR
предельный кратковременный ток выходной цепи электрического реле
Наибольшее значение тока, которое предварительно замкнутая или находящаяся в проводящем состоянии выходная цепь электрического реле способна выдерживать в заданных условиях в течение заданного короткого промежутка времени
[ ГОСТ 16022-83]Тематики
EN
DE
FR
Англо-русский словарь нормативно-технической терминологии > limiting short-time current of an output circuit
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49 limiting value of the non-operating current in case of unbalanced load in a multiphase circuit
- предельное значение тока несрабатывания при неравномерной нагрузке в многофазной цепи
предельное значение тока несрабатывания при неравномерной нагрузке в многофазной цепи
-
[IEV number 442-05-63]EN
limiting value of the non-operating current in case of unbalanced load in a multiphase circuit
Maximum value of current which, in the absence of any fault to frame or to earth, and of an earth leakage current, can flow in a circuit containing only two active conductors of the installation, without causing operation of the part of the residual current device performing the evaluation.
[IEV number 442-05-63]FR
valeur limite du courant de non-fonctionnement en service déséquilibré dans un circuit polyphasé
Valeur maximale du courant pouvant circuler, en l'absence de tout défaut à la masse ou à la terre et de tout courant de fuite à la terre, dans un circuit intéressant seulement deux conducteurs actifs de l'installation sans provoquer le fonctionnement de la partie du dispositif de coupure différentiel assurant la fonction mesure.
[IEV number 442-05-63]EN
- limiting value of the non-operating current in case of unbalanced load in a multiphase circuit
DE
- Grenzwert der Nichtbetätigungs-Überstromstärke bei unsymmetrischen Lasten in einem Mehrphasen-Stromkreis
FR
- valeur limite du courant de non-fonctionnement en service déséquilibré dans un circuit polyphasé
Англо-русский словарь нормативно-технической терминологии > limiting value of the non-operating current in case of unbalanced load in a multiphase circuit
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50 limiting value of the non-operating current in case of balanced load
предельное значение тока несрабатывания при равномерной нагрузке
-
[IEV number 442-05-64]EN
limiting value of the non-operating current in case of balanced load
Maximum value of current which, in the absence of any fault to frame or to earth, and of an earth leakage current, can flow in a circuit without any load unbalance, without causing operation of the part of the residual current device performing the evaluation.
[IEV number 442-05-64]FR
valeur limite du courant de non-fonctionnement en service équilibré
Valeur maximale du courant pouvant circuler dans un circuit, en l'absence de tout défaut à la masse ou à la terre et de tout courant de fuite à la terre en l'absence de tout déséquilibre de charge, sans provoquer le fonctionnement de la partie du dispositif de coupure différentiel assurant la fonction mesure.
[IEV number 442-05-64]EN
DE
FR
Англо-русский словарь нормативно-технической терминологии > limiting value of the non-operating current in case of balanced load
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51 limiting continuous current of an output circuit
предельный длительный ток выходной цепи электрического реле
Наибольшее значение тока, которое предварительно замкнутая или находящаяся в проводящем состоянии выходная цепь электрического реле способна выдерживать длительно в заданных условиях
[ ГОСТ 16022-83]Тематики
EN
DE
FR
Англо-русский словарь нормативно-технической терминологии > limiting continuous current of an output circuit
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52 current limiting circuitbreaker
токоограничивающий автоматический выключатель
Выключатель с чрезвычайно малым временем отключения, в течение которого ток короткого замыкания не успевает достичь своего максимального значения.
[МЭК 60947-1]En
current-limiting circuit breaker
Circuit-breaker with a break-time short enough to prevent the short-circuit current reaching its otherwise attainable peak value.
[< size="2">IEC 60077-3, ed. 1.0 (2001-12)]
Circuit-breaker that, within a specified range of current, prevents the let-through current reaching the prospective peak value and which limits the let-through energy (I2t) to a value less than the let-through energy of a half-cycle wave of the symmetrical prospective current
NOTE 1 - Reference may be made to either the symmetrical or asymmetrical prospective peak value of let-through current.
NOTE 2 - The let-through current is also referred to as the cut-off current (see IEV 441-17-12).
NOTE 3 - Templates for the graphical representation of the cut-off current characteristic and the let-through energy characteristic are given in Figures K.2 to K.5 and examples of the use of the templates in Figures K.6 and K.7.
[IEC 60947-2, ed. 4.0, amd. 1 (2009-01)]Fr
disjoncteur limiteur de courant
Disjoncteur dont la durée de coupure est particulièrement brève en vue d’obtenir que le courant de court-circuit ne puisse atteindre son amplitude maximale
[< size="2">IEC 60077-3, ed. 1.0 (2001-12)]
Disjoncteur qui, à l'intérieur d'un domaine de courant spécifié, empêche le courant coupé limité d'atteindre la valeur crête présumée et qui limite l'énergie limitée (I2t) à une valeur inférieure à l'énergie limitée d'une demi-période du courant présumé symétrique
NOTE 1 Il peut être fait référence à la valeur crête présumée symétrique ou assymétrique du courant coupé limité.
NOTE 2 Le courant coupé limité (let-through current) est aussi nommé "cut-off current" (voir VEI 441-17-12).
NOTE 3 Les modèles de représentation graphique des caractéristiques de courant coupé limité et d'énergie limitée sont illustrés dans les Figures K.2 à K.5 et les exemples d'utilisation des modèles dans les Figures K.6 et K.7.
[IEC 60947-2, ed. 4.0, amd. 1 (2009-01)]Токоограничивающий автоматический выключатель имеет чрезвычайно малое время отключения, в течение которого ток КЗ не успевает достичь максимального значения.
Токоограничивающие автоматические выключатели ограничивают ток КЗ с помощью быстрого введения в цепь дополнительного сопротивления электрической дуги (в первый же полупериод, до того, как ток КЗ значительно возрастет) и последующего быстрого отключения КЗ, при этом ток КЗ не достигает ожидаемого расчетного максимального значения. Токоограничение начинается с некоторого значения тока, определяемого характеристикой токоогранияения.
В токоограничивающих автоматических выключателях при больших ожидаемых токах КЗ контакты, сразу же отбрасываются электродинамическими силами, вводя в цепь сопротивление дуги, и затем уже не соприкасаются, так как своевременно срабатывает электромагнитный расцепитель.
При малых токах КЗ контакты не отбрасываются, а отключение производится электромагнитным расцепителем.
[А.В.Беляев. Выбор аппаратуры, защит и кабелей в сетях 0,4 кВ. - Л.: Энергоатомиздат. 1988.]Тематики
Классификация
>>>Обобщающие термины
EN
- current limiting circuitbreaker
- current-limiting circuit breaker
- current-limiting circuit-breaker
- limiting circuit breaker
- limiting circuit-breaker
DE
FR
Англо-русский словарь нормативно-технической терминологии > current limiting circuitbreaker
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53 band limiting
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54 consequences limiting
English-Russian dictionary on nuclear energy > consequences limiting
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55 current-limiting
токоограничивающий, токоограничительный - current-limiting circuit-breaker - current-limiting fuse - current-limiting reactorБольшой англо-русский и русско-английский словарь > current-limiting
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56 current-limiting
1) токоограничивающий
2) токоограничительный
– current-limiting circuit-breaker
– current-limiting fuse
– current-limiting reactor -
57 current-limiting
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58 assembly equipped with devices limiting internal arc effects
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
Англо-русский словарь нормативно-технической терминологии > assembly equipped with devices limiting internal arc effects
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59 conditional short-circuit current (of a circuit or a switching device)
условный ток короткого замыкания (в цепи или коммутационном аппарате)
Ожидаемый ток, который цепь или коммутационнный аппарат, защищенные установленным устройством от коротких замыканий, способны удовлетворительно выдерживать в течение всего времени срабатывания этого устройства в указанных условиях эксплуатации и поведения.
Примечания
1 В настоящем стандарте устройством для защиты от коротких замыканий служит, как правило, автоматический выключатель или плавкие предохранители.
2 Это определение отличается от МЭК 60050(441-17-20) расширением понятия токоограничивающего аппарата до устройства для защиты от коротких замыканий, функция которого не сводится только к токоограничению.
[ ГОСТ Р 50030. 1-2000 ( МЭК 60947-1-99)]EN
conditional short-circuit current (of a circuit or a switching device)
the prospective current that a circuit or a switching device, protected by a specified current limiting device, can satisfactorily withstand for the operating time of that current limiting device under specified conditions of use and behaviour
[IEV number 441-17-20]FR
courant de court-circuit conditionnel (d'un circuit ou d'un appareil de connexion)
courant présumé qu'un circuit ou un appareil de connexion, protégé par un dispositif limiteur de courant spécifié, peut supporter de façon satisfaisante pendant la durée de fonctionnement de cet appareil limiteur de courant dans des conditions spécifiées d'emploi et de comportement
[IEV number 441-17-20]Тематики
- выключатель автоматический
- выключатель, переключатель
- предохранитель
- электротехника, основные понятия
EN
DE
FR
- courant de court-circuit conditionnel (d'un circuit ou d'un appareil de connexion)
Англо-русский словарь нормативно-технической терминологии > conditional short-circuit current (of a circuit or a switching device)
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60 short-time withstand current of an output circuit (deprecated)
предельный кратковременный ток выходной цепи
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[IEV number 445-04-01]EN
limiting short-time current of an output circuit
short-time withstand current of an output circuit (deprecated)
highest value of electric current which a closed contact or an effectively conducting output circuit is capable of carrying for a specified short period under specified conditions
[IEV number 445-04-01]FR
courant limite de courte durée d'un circuit de sortie, m
valeur la plus élevée du courant électrique qu'un contact fermé ou un circuit de sortie à l'état passant est capable de supporter dans des conditions spécifiées et pendant une courte durée spécifiée
[IEV number 445-04-01]Тематики
- электротехника, основные понятия
EN
- limiting short-time current of an output circuit
- short-time withstand current of an output circuit (deprecated)
DE
FR
Англо-русский словарь нормативно-технической терминологии > short-time withstand current of an output circuit (deprecated)
См. также в других словарях:
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