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1 входное полное сопротивление
входное полное сопротивление
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[IEV number 312-06-18]EN
input impedance
impedance of the input circuit measured between the input terminals under operating conditions
NOTE 1 – The impedance can be expressed in terms of admittance.
NOTE 2 – In certain instances, for example, sampling devices or self-balancing potentiometers, the impedance can be different according to the instant when it is determined, before, during or after the instant of measurement.
NOTE 3 – When the input circuit is such that the instantaneous value of the current flowing into the input terminals is a non-linear function of the instantaneous value of the input voltage under specified conditions of frequency and voltage, the combination of resistance and reactance which would absorb the same active power and in which would flow a reactive current equal to the fundamental component that is flowing in the actual input circuit, is sometimes called the "equivalent input impedance".
[IEV number 312-06-18]FR
impédance du circuit d'entrée
impédance du circuit d'entrée entre les bornes d'entrée dans les conditions de fonctionnement
NOTE 1 – L'impédance peut être exprimée en termes d'admittance.
NOTE 2 – Dans certains cas, par exemple les dispositifs d'échantillonnage ou les potentiomètres à rééquilibrage automatique, l'impédance peut être différente selon l’instant où elle est déterminée, avant, pendant ou après la mesure.
NOTE 3 – Lorsque le circuit d'entrée est tel que la valeur instantanée du courant traversant les bornes d'entrée est une fonction non linéaire de la valeur instantanée de la tension d'entrée dans des conditions spécifiées de fréquence et de tension, l'impédance d'une combinaison formée par une résistance et une réactance qui absorberaient la même puissance active et dans laquelle circulerait un courant réactif égal à la composante fondamentale qui circule dans le circuit d'entrée réel, est parfois appelée "impédance équivalente d'entrée".
[IEV number 312-06-18]Тематики
- измерение электр. величин в целом
EN
DE
FR
Русско-французский словарь нормативно-технической терминологии > входное полное сопротивление
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2 коэффициент полезного действия
- rendement, m
коэффициент полезного действия
Отношение отдаваемой мощности к потребляемой активной мощности.
[ОСТ 45.55-99]
коэффициент полезного действия
КПД
Величина, характеризующая совершенство процессов превращения, преобразования или передачи энергии, являющаяся отношением полезной энергии к подведенной.
[РД 01.120.00-КТН-228-06]
коэффициент полезного действия
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[IEV number 151-15-25]EN
efficiency
ratio of output power to input power of a device
NOTE – If the output power and/or input power is electric, active power is meant.
[IEV number 151-15-25]FR
rendement, m
rapport de la puissance de sortie à la puissance d'entrée d’un dispositif
NOTE – Lorsque la puissance d’entrée ou de sortie est électrique, il s’agit de puissance active.
[IEV number 151-15-25]Тематики
- электротехника, основные понятия
Синонимы
EN
- coefficient of efficiency
- coefficient of performance
- degree of efficiency
- effectiveness
- efficiency
- efficiency coefficient
- efficiency factor
- efficiency output
- performance
- performance factor
DE
FR
- rendement, m
Русско-французский словарь нормативно-технической терминологии > коэффициент полезного действия
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3 потери мощности
- perte de puissance, f
потери
Разность между потребляемой мощностью и отдаваемой мощностью какой-либо системы или устройства
[ОСТ 45.55-99]
потери мощности
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[IEV number 151-15-26]EN
power loss
difference between input power and output power of a device
NOTE – If the output power and/or input power is electric, active power is meant.
[IEV number 151-15-26]FR
perte de puissance, f
différence entre la puissance d'entrée et la puissance de sortie d’un dispositif
NOTE – Lorsque la puissance d’entrée ou de sortie est électrique, il s’agit de puissance active.
[IEV number 151-15-26]Синонимы
EN
DE
FR
- perte de puissance, f
Русско-французский словарь нормативно-технической терминологии > потери мощности
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4 voice
voice [vɔɪs]1 noun∎ in a low voice à voix basse;∎ in a loud voice d'une voix forte;∎ to have a good speaking voice avoir une bonne voix;∎ we heard the sound of voices on entendait des gens parler;∎ he likes the sound of his own voice (is talkative) il parle beaucoup; (is conceited) il s'écoute parler;∎ to shout at the top of one's voice crier à tue-tête;∎ to give voice to sth exprimer qch;∎ to hear voices entendre des voix;∎ keep your voices down ne parlez pas si fort;∎ don't you raise your voice at or to me! ne prenez pas ce ton-là avec moi!;∎ several voices were raised in protest plusieurs voix se sont élevées pour protester;∎ to make one's voice heard se faire entendre;∎ figurative the voice of conscience/reason la voix de la conscience/de la raison;∎ a little voice inside her told her it was wrong (her conscience told her) une petite voix en elle lui dit que c'était mal;∎ with one voice d'une seule voix;∎ the government must be seen to speak with one voice le gouvernement doit donner l'impression qu'il parle d'une seule voix;(b) (of singer) voix f;∎ to have a good (singing) voice avoir une belle voix;∎ to be in good voice être bien en voix∎ we have no voice in the matter nous n'avons pas voix au chapitre;∎ did you have a voice in deciding who should be invited? avez-vous participé à l'élaboration de la liste des invités?;∎ proportional representation would give small parties a greater voice la représentation proportionnelle donnerait davantage voix au chapitre aux petits partis∎ in the active/passive voice à la voix active/passive∎ to voice one's anxieties exprimer ses angoisses►► Telecommunications voice bank boîte f vocale;voice box larynx m;Computing voice input entrée f vocale;voice mail messagerie f vocale;Music voice part partie f vocale;Computing voice recognition reconnaissance f de la parole;Computing voice recognition software logiciel m de reconnaissance vocale;Computing voice response réponse f vocale;Computing voice synthesizer synthétiseur m de paroles;voice test audition f;
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