# valeurs dv/dt

## English translation: dv/dt values

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 13:16 Dec 17, 2003
French to English translations [PRO]
Tech/Engineering - Electronics / Elect Eng / electricity
 French term or phrase: valeurs dv/dt 2 phases du réseau alternatif sont court-circuitées lors de chaque commutation. Les formes d'ondes de tension... sont détériorées, avec apparition d'harmoniques et valeurs de (dv/dt) élevées aux encoches de commutation.
 Linda IldevertUnited Kingdom Local time: 13:53
 English translation:dv/dt values Explanation:dv/dt is a standard mathematical expression relating to 'rate-of-change' (in this case, of the voltage waveform). It means that at switching points (encoches de commutation), there are great 'bites' taken out of the mains voltage (current, really), which leads to 'glitches' on the waveform, spikes (because the voltage rate of change is too high, effectively producing high values of high-order harmonics, and all this is very BAD !! I can give you a more technically detailed response if you need it, but I think that's QUITE enough for here!
Selected response from:

Tony M
France
Local time: 14:53
 Thankyou for your explanation - very clear and perfectly adequate!4 KudoZ points were awarded for this answer

5 +3dv/dt values
 Tony M
4dv/dt values
 French2English

10 mins   confidence: peer agreement (net): +3
dv/dt values

Explanation:
dv/dt is a standard mathematical expression relating to 'rate-of-change' (in this case, of the voltage waveform).

It means that at switching points (encoches de commutation), there are great 'bites' taken out of the mains voltage (current, really), which leads to 'glitches' on the waveform, spikes (because the voltage rate of change is too high, effectively producing high values of high-order harmonics, and all this is very BAD !!
I can give you a more technically detailed response if you need it, but I think that's QUITE enough for here!

 Tony MFranceLocal time: 14:53Specializes in fieldNative speaker of: EnglishPRO pts in category: 1919

agree
 5 mins
-> Thanks, CJ!

agree  Robintech: d (ou delta) indique la variation
 5 mins
-> Thanks, Robintech! Yes, as you say, it OUGHT to be l/c delta, in fact

agree
 1 hr
-> Thanks, Yolanta!

28 mins   confidence:
dv/dt values

Explanation:
Pretty similar in English. dv/dt is the same in both languages, (check Google entries in both French and English) and refers to an evaluation of instantaneous current, with dv/dt being the rate of voltage change (in a capacitor for example).

Reference: http://www.evox-rifa.com/asia/spec_pulse_caps.htm
 French2EnglishUnited KingdomLocal time: 13:53Works in fieldNative speaker of: English

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