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voltage front times

Spanish translation: tiempos de subida del voltaje

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	voltage front times
Spanish translation:	tiempos de subida del voltaje
Entered by:	Emilia Ortega

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01:27 Feb 27, 2009

English to Spanish translations [PRO]
Tech/Engineering - Engineering (general)

English term or phrase: voltage front times

"The insulation of 1LA and 1LG motors is such that they can operate unrestrictedly in converter-fed mode up to voltages of 500 V. The same applies to operation with pulse-controlled AC converters with voltage front times ts > 0.1 s at the motor ter- minals."

Emilia Ortega
Argentina

tiempos de subida del voltaje

Explanation:
No es un término que haya visto, así que comencé por buscar definiciones de "front time":

• The voltage front time is the time interval between 30 percent and 90 percent of peak points, on the leading edge, multiplied by 1.67 (final de primera página en http://www.teknetelectronics.com/DataSheet/KEYTEK/KEYTE_587p...

• Front time T1 of a surge voltage refers to a hypothetical
parameter defined as 1.67 times interval T between the moment when
the impulse is 30% of the peak value and the moment when it is 90% of
the peak value. (página 337 de http://www.jetro.go.jp/world/japan/regulations/guidebook/pdf...

• The front time (T1) of a surge voltage is a virtual parameter defined as 1.67 times the interval T between the instants when the impulse is 30% and 90% of the peak value (Figure 1). (http://archive.evaluationengineering.com/archive/articles/04...

Como ves, las tres definiciones coinciden, por lo que decidí buscar si equivalía a "rise time", que es el concepto que conozco. Y así es, equivale a este término, pues también hablando de una onda de voltaje, dicen:

• The rise time [...] is defined as being 1.67 times the time interval between 30 percent and 90 percent of the peak value. (Transients in Power Systems, by Lou Van der Sluis, http://books.google.com/books?id=i4XJhBsgvKYC&pg=PA124&lpg=P...

• The rise time (tr) of a voltage waveform is 1.67 times the time for the voltage to increase from 30% to 90% of peak value. (Figure AN1009.5) (http://www.littelfuse.com/data/en/Application_Notes/an1009.p...

Incluso hay quien utiliza ambos términos:

• [...] many voltage test waveforms have a front time (or rise time) (Protection of Electronic Circuits from Overvoltages, http://books.google.com/books?id=5-NEmE1EhYQC&pg=PA83&vq="fr...

Por último, incluyo la traducción de rise time:

• rise time: tiempo de crecimiento, tiempo de subida (Diccionario politécnico de las lenguas española e inglesa, http://books.google.com/books?id=ZIU4-UjfzYcC&pg=PA1208&vq="...

• rise time: tiempo de subida (Diccionario Técnico, http://books.google.com/books?id=ymGOeyga09AC&pg=PA428&vq=ri...

• rise time: tiempo de subida (Diccionario de Electrónica, Informática y Energía Nuclear, http://books.google.com/books?id=BVDd8xRNQ3IC&pg=PA512&vq="r...

• rise time: tiempo de subida (Diccionario de informática, telecomunicaciones y ciencias afines, http://books.google.com/books?id=31cagl0wNzEC&pg=PA438&vq="t...

Saludos,

Daniel

Selected response from:

Daniel Grau

Grading comment

¡Muchas gracias por su ayuda!
4 KudoZ points were awarded for this answer

Summary of answers provided

4 +2

tiempos de subida del voltaje

Daniel Grau

tiempos de frente del voltaje

Mariana Durán

Answers

3 hrs confidence:

voltage front times tiempos de frente del voltaje

Explanation:
La corriente al nivel de la tierra (con magnitud I) podría aproximarse como una forma de onda triangular con tiempo de frente tf = 2 ms y tiempo de valor medio de 85 ms
http://www.iee.usp.br/biblioteca/producao/2004/Artigos de Pe...

Espero que te sirva.

Example sentence(s):

Para el caso del estudio de sobretensiones de tiempo de frente abruptodebidas, por ejemplo, al reencendido del arco por el interruptor, ...
Tiempo de frente de descarga corta(T1) (Front Time of Short stroke current (T1)).

Reference: http://www.iitree-unlp.org.ar/
Reference: http://www.udistrital.edu.co/comunidad/grupos/gipud/document...

Mariana Durán
Local time: 20:33
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