abertura do respectivo dispositivo
English translation: response time of the respective circuit breaker
| 00:02 Mar 22, 2011 |
| Portuguese to English translations [PRO] Tech/Engineering - Electronics / Elect Eng / terminology | |||||||
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|  Selected response from: Martin Clowes United Kingdom Local time: 04:33 | ||||||
Grading comment
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| Summary of answers provided | ||||
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| 4 +1 | amount of time that the respective device is open |
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| 4 | release time |
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| 4 | response time of the respective circuit breaker |
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Answers
6 mins confidence: 
| tempo de abertura release time Explanation: I've adapted the question to correspond to 'tempo de abertura'. The faster the protective device opens the circuit, the less the energy that needs to be dissipated. Relay Contact Protection IC - Hendon Semiconductors - [ Traducir esta página ]The main drawback of commonly used relay contact protection circuit is it introduces long relay release time. To ensure efficient arc suppression and to ... www.hendonsemiconductors.com/relay_contact_protection.asp - En memoria caché - SimilarContact Protection and Arc Suppression Methods for Mechanical Relays - [ Traducir esta página ]Contact Protection and Arc Suppression Methods for Mechanical Relays ... For a very brief time, only a small section of the contact is touching, and all of ... www.industrologic.com/mechrela.htm - En memoria caché - Similar[PDF] Arc extinguishing, arc suppression If the upper limit of the ... - [ Traducir esta página ]Formato de archivo: PDF/Adobe Acrobat - Vista rápida Arc suppression with RC-circuit. Diagram for determining optimum values. Consumer .... provide good protection against dust, particles and waste gas .... Release time tal , tal' = Start up time tan. = Response time th , th' = ... www.multi-contact.com.sg/elesta/.../Technical Information.p... - Similar -------------------------------------------------- Note added at 15 mins (2011-03-22 00:18:07 GMT) -------------------------------------------------- Explanation: When any electrical contact is opened, current continues to flow across the (initially very small) air gap, until such time as the contacts have moved far enough apart to 'quench' the arc (this depends on factors like temperature and humidity of the air around the contacts, the voltage, ...). While the arc is burning, energy will be dissipated - maybe in the form of pitting of the contact surfaces, maybe in a more 'explosive' form (son et lumière) - but the faster the contacts are separated the quicker the arc is extinguished and the less the energy that ends up doing damage or creating fireworks. |
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6 mins confidence: peer agreement (net): +1
peer agreement (net): +1amount of time that the respective device is open Explanation: I see your problem. It's NOT referring to the "opening time", but the "... the amount of time that the respective protection device is open" Hope that makes sense :) -------------------------------------------------- Note added at 30 mins (2011-03-22 00:33:12 GMT) -------------------------------------------------- A bit of a more thoughtful review of my answer is needed, it seems, with better wording as follows: "...how quickly the respective protection deviced is opened." That's more accurate. |
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4 hrs confidence:
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