5-Stufen Trafo-Schaltgerät

English translation: 5-step control transformer

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:5-Stufen Trafo-Schaltgerät
English translation:5-step control transformer
Entered by: itaharold

13:21 Jul 12, 2005
German to English translations [PRO]
Tech/Engineering - Electronics / Elect Eng
German term or phrase: 5-Stufen Trafo-Schaltgerät
This appears in a technical description of various exhaust fan units.

Context:
Ansteuerung über Trafo-Stufen-Schaltgeräte nur in der großen Drehzahlstufe möglich.

I'm assuming that this is kind of "electricians speak" and my attempted translation for this would be "5-speed controller with integrated transformer" - the "Trafo" bit being the troubling part, i.e. how does that fit in here?

Thank you for your help
Kenneth Beattie
Local time: 17:33
5-step control transformer
Explanation:
You are obviously dealing with velocity control. At a given velocity, a transformer may be used to control torque by switching (reducing, increasing) its secondary (output) voltage. You do not necessarily control the speed of a motor by switching the transformer voltage, i.e. the velocity of a three-phase motor is controlled by frequency. The text, it seems to me, rather refers to the torque control of a motor running at high velocity.
Selected response from:

itaharold
Germany
Local time: 18:33
Grading comment
Thank you for your answer and explanation.
4 KudoZ points were awarded for this answer



Summary of answers provided
45-step control transformer
itaharold
35-step transformer tap changer
jccantrell


  

Answers


57 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
5-Stufen Trafo-Schaltgerät
5-step transformer tap changer


Explanation:
I am not absolutely certain about this. In power electrical work, transformers often have tap changers that will allow them to work with different voltages.

It might fit in your context.



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Note added at 57 mins (2005-07-12 14:18:40 GMT)
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or maybe

5-stage ....


    Reference: http://www3.interscience.wiley.com/cgi-bin/abstract/77493/AB...
jccantrell
United States
Local time: 09:33
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 477
Grading comment
Thanks for your answer which makes sense as the tap changer is well documented as a device for switching voltages and I have noted. I chose "control transformer" although at this point I'm still not entirely sure which one is right. It does however work better with my chosen translation for "Schaltgerät" which is "control".
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The asker has declined this answer
Comment: Thanks for your answer which makes sense as the tap changer is well documented as a device for switching voltages and I have noted. I chose "control transformer" although at this point I'm still not entirely sure which one is right. It does however work better with my chosen translation for "Schaltgerät" which is "control".

10 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
5-Stufen Trafo-Schaltgerät
5-step control transformer


Explanation:
You are obviously dealing with velocity control. At a given velocity, a transformer may be used to control torque by switching (reducing, increasing) its secondary (output) voltage. You do not necessarily control the speed of a motor by switching the transformer voltage, i.e. the velocity of a three-phase motor is controlled by frequency. The text, it seems to me, rather refers to the torque control of a motor running at high velocity.

itaharold
Germany
Local time: 18:33
Specializes in field
Native speaker of: Native in GermanGerman, Native in EnglishEnglish
PRO pts in category: 20
Grading comment
Thank you for your answer and explanation.
Login to enter a peer comment (or grade)



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