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FREQUENCY TRANSFORMER [9 records]
Record 1 - internal organization data 2024-05-08
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Transformers
Record 1, Main entry term, English
- frequency response analysis
1, record 1, English, frequency%20response%20analysis
correct
Record 1, Abbreviations, English
- FRA 2, record 1, English, FRA
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Frequency response analysis(FRA) is [a] diagnostic tool for detecting winding and core deformation in power transformers... Such deformations affect the equivalent, inductive, and capacitive components of the transformer, thereby altering its frequency response.... an expert is required to analyze the obtained results, which makes the interpretation process inconsistent and reliant more on personnel expertise than standardized guidelines. Essentially, FRA is a comparative technique that requires a reference signature(fingerprint) with which future signatures are compared, to identify any changes due to various internal faults. 2, record 1, English, - frequency%20response%20analysis
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Transformateurs
Record 1, Main entry term, French
- analyse de réponse en fréquence
1, record 1, French, analyse%20de%20r%C3%A9ponse%20en%20fr%C3%A9quence
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- analyse de réponse fréquentielle 2, record 1, French, analyse%20de%20r%C3%A9ponse%20fr%C3%A9quentielle
correct, feminine noun
- FRA 2, record 1, French, FRA
correct, feminine noun
- FRA 2, record 1, French, FRA
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'analyse de la réponse fréquentielle est une technique couramment utilisée pour détecter des déformations au sein des équipements de puissance tels que les transformateurs de puissance. Les mesures permettent d'enregistrer une «empreinte digitale» unique du transformateur, laquelle peut être comparée à une mesure de référence. Cependant, l'interprétation des réponses en fréquence reste parfois très vague et ne permet toujours pas de localiser le défaut émergent. 2, record 1, French, - analyse%20de%20r%C3%A9ponse%20en%20fr%C3%A9quence
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2023-01-10
Record 2, English
Record 2, Subject field(s)
- Transformers and Inductance (Electronics)
Record 2, Main entry term, English
- tuned transformer
1, record 2, English, tuned%20transformer
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
[A] transformer whose associated circuit elements are adjusted as a whole to be resonant at the frequency of the alternating current supplied to the primary, thereby causing the secondary voltage to build up to higher values than would otherwise be obtained. 2, record 2, English, - tuned%20transformer
Record 2, French
Record 2, Domaine(s)
- Transformateurs et inductance (Électronique)
Record 2, Main entry term, French
- transformateur accordé
1, record 2, French, transformateur%20accord%C3%A9
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Transformadores e inductancia (Electrónica)
Record 2, Main entry term, Spanish
- transformador sintonizado
1, record 2, Spanish, transformador%20sintonizado
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 CONT
Un circuito importante es el transformador sintonizado, en el que ambas bobinas están sintonizadas a la misma frecuencia, dicho de otro modo, se encuentran acopladas. 1, record 2, Spanish, - transformador%20sintonizado
Record 3 - internal organization data 2008-07-25
Record 3, English
Record 3, Subject field(s)
- Transformers
Record 3, Main entry term, English
- rotating field transformer 1, record 3, English, rotating%20field%20transformer
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
A rotating field transformer comprises a torque motor and a rotating electric machine having two sets of windings, each of the windings connected to a respective polyphase electric circuit. The two windings have the same number of magnetic poles and generate coincident rotating magnetic fields having the same direction of rotation.... The rotating field transformer can be used to control the frequency at which power is supplied to a polyphase load, or to manage instabilities in weak links between generating stations. 2, record 3, English, - rotating%20field%20transformer
Record 3, Key term(s)
- rotating-field transformer
Record 3, French
Record 3, Domaine(s)
- Transformateurs
Record 3, Main entry term, French
- transformateur à champ tournant
1, record 3, French, transformateur%20%C3%A0%20champ%20tournant
masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1984-10-03
Record 4, English
Record 4, Subject field(s)
- Electrical Systems
Record 4, Main entry term, English
- high-frequency alternating current 1, record 4, English, high%2Dfrequency%20alternating%20current
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
high frequency transformer-transformateur à haute fréquence; high frequency circuit-circuit haute fréquence; high frequency oscillator-oscillateur haute fréquence; high frequency resistance-résistance de circuit haute fréquence; résistance aux hautes fréquences; high frequency definition-haute définition 1, record 4, English, - high%2Dfrequency%20alternating%20current
Record 4, French
Record 4, Domaine(s)
- Ensembles électrotechniques
Record 4, Main entry term, French
- courant alternatif à haute fréquence 1, record 4, French, courant%20alternatif%20%C3%A0%20haute%20fr%C3%A9quence
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1981-01-26
Record 5, English
Record 5, Subject field(s)
- Transformers
Record 5, Main entry term, English
- high-voltage transformer 1, record 5, English, high%2Dvoltage%20transformer
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 OBS
Industrial frequency supply... ozone production can be varied by altering the voltage supplied to the ozonizer, either by steps, using a switch to feed fixed mains current to tappings producing different transformer ratios in the high-voltage transformer, or transformer ratios in the high-voltage transformer, or continuously, using a variable autotransformer to feed the high-voltage transformer with constantly-variable current. 1, record 5, English, - high%2Dvoltage%20transformer
Record 5, French
Record 5, Domaine(s)
- Transformateurs
Record 5, Main entry term, French
- transformateur haute tension
1, record 5, French, transformateur%20haute%20tension
correct
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
Alimentation à la fréquence industrielle [...] la variation de production d'ozone se fait par modification de la tension appliquée à l'ozoneur, soit par bonds, un commutateur permettant d'appliquer la tension fixe du réseau à des prises déterminant des rapports de transformation différents sur le transformateur haute tension, soit en continu, un autotransformateur variable permettant l'alimentation du transformateur haute tension à tension continûment variable. 1, record 5, French, - transformateur%20haute%20tension
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1981-01-26
Record 6, English
Record 6, Subject field(s)
- Electrical Power Supply
Record 6, Main entry term, English
- variable autotransformer 1, record 6, English, variable%20autotransformer
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 OBS
Industrial frequency supply... ozone production can be varied by altering the voltage supplied to the ozonizer, either by steps, using a switch to feed fixed mains current to tappings producing different transformer ratios in the high-voltage transformer, or continuously, using a variable autotransformer to feed the high-voltage transformer with constantly-variable current. 1, record 6, English, - variable%20autotransformer
Record 6, French
Record 6, Domaine(s)
- Alimentation (Distribution électrique)
Record 6, Main entry term, French
- autotransformateur variable
1, record 6, French, autotransformateur%20variable
correct
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
Alimentation à la fréquence industrielle [...] la variation de production d'ozone se fait par modification de la tension appliquée à l'ozoneur, soit par bonds, un commutateur permettant d'appliquer la tension fixe du réseau à des prises déterminant des rapports de transformation différents sur le transformateur haute tension, soit en continu, un autotransformateur variable permettant l'alimentation du transformateur haute tension à tension continûment variable. 1, record 6, French, - autotransformateur%20variable
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1981-01-26
Record 7, English
Record 7, Subject field(s)
- Productivity and Profitability
Record 7, Main entry term, English
- industrial frequency 1, record 7, English, industrial%20frequency
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 OBS
Industrial frequency supply... ozone production can be varied by altering the voltage supplied to the ozonizer, either by steps, using a switch to feed fixed mains current to tappings producing different transformer ratios in the high-voltage transformer, or continuously, using a variable auto-transformer to feed the high-voltage transformer with constantly variable current. 1, record 7, English, - industrial%20frequency
Record 7, French
Record 7, Domaine(s)
- Productivité et rentabilité
Record 7, Main entry term, French
- fréquence industrielle
1, record 7, French, fr%C3%A9quence%20industrielle
correct
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 OBS
Alimentation à la fréquence industrielle [...] la variation de production d'ozone se fait par modification de la tension appliquée à l'ozoneur, soit par bonds, un commutateur permettant d'appliquer la tension fixe du réseau à des prises déterminant des rapports de transformation différents sur le transformateur haute tension, soit en continu, un autotransformateur variable permettant l'alimentation du transformateur haute tension à tension continûment variable. 1, record 7, French, - fr%C3%A9quence%20industrielle
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1981-01-26
Record 8, English
Record 8, Subject field(s)
- Electric Currents
Record 8, Main entry term, English
- fixed mains current 1, record 8, English, fixed%20mains%20current
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 OBS
Industrial frequency supply... ozone production can be varied by altering the voltage supplied to the ozonizer, either by steps, using a switch to feed fixed mains current to tappings producing different transformer ratios in the high-voltage transformer, or continuously, using a variable autotransformer to feed the high-voltage transformer with constantly-variable current. 1, record 8, English, - fixed%20mains%20current
Record 8, French
Record 8, Domaine(s)
- Courants (Électrocinétique)
Record 8, Main entry term, French
- tension fixe du réseau
1, record 8, French, tension%20fixe%20du%20r%C3%A9seau
correct
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 OBS
Alimentation à la fréquence industrielle [...] la variation de production d'ozone se fait par modification de la tension appliquée à l'ozoneur, soit par bonds, un commutateur permettant d'appliquer la tension fixe du réseau à des prises déterminant des rapports de transformation différents sur le transformateur haute tension, soit en continu, un autotransformateur variable permettant l'alimentation du transformateur haute tension à tension continûment variable. 1, record 8, French, - tension%20fixe%20du%20r%C3%A9seau
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1977-11-09
Record 9, English
Record 9, Subject field(s)
- Geophysics
- Scientific Measurements and Analyses
Record 9, Main entry term, English
- Bieler-Watson method
1, record 9, English, Bieler%2DWatson%20method
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 OBS
The transmitter loop is a large rectangle, several thousand feet to the side. A long wire might also be used. The detector consists of two mutually perpendicular loops, one horizontal and one vertical, connected effectively in opposition through a transformer to amplifier and headphones. The vertical coil, with a fixed number of turns, is shunted by a capacitance to give parallel resonance at the source frequency and is connected through a reversing switch to the transformer primary. The horizontal coil has multiple taps for a variable inductance. The coils are about two feet in diameter and are mounted on a vertical post. 1, record 9, English, - Bieler%2DWatson%20method
Record 9, French
Record 9, Domaine(s)
- Géophysique
- Mesures et analyse (Sciences)
Record 9, Main entry term, French
- méthode Bieler-Watson
1, record 9, French, m%C3%A9thode%20Bieler%2DWatson
correct
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 OBS
[Méthode électromagnétique où la source émettrice est fixe et le récepteur mobile. Cette méthode] fait l'emploi d'un grand cadre rectangulaire disposé horizontalement sur le sol qui sert de source émettrice du champ primaire. On suppose que l'axe majeur de l'ellipse de polarisation qui représente la composante réelle du champ résultant est quasi vertical tandis que l'axe mineur qui représente la composante imaginaire est horizontal. Le récepteur est constitué de deux petits cadres rectangulaires qui sont mutuellement perpendiculaires. Le cadre horizontal mesure la composante réelle et le cadre vertical la composante imaginaire. L'axe majeur et l'axe mineur de l'ellipse de polarisation sont déphasés de 90 ° et ce sont les composantes du champ représentées par ces deux axes qui sont comparées. 1, record 9, French, - m%C3%A9thode%20Bieler%2DWatson
Record 9, Spanish
Record 9, Textual support, Spanish
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