Glossary entry

Italian term or phrase:

terna asimmetrica/simmetrica di tensioni

English translation:

three-phase symmetrical/asymmetrical voltage

Feb 16, 2009 16:56
15 yrs ago
1 viewer *
Italian term

terna asimmetrica/simmetrica di tensioni

Italian to English Tech/Engineering Electronics / Elect Eng
Labels for two graphs in a manual relating to UPS systems.

You can the links to view the graphs:
Terna asimmetrica di tensioni
http://www.keytranslations.co.uk/images/asimmetrica.JPG
Terna simmetrica di tensioni
http://www.keytranslations.co.uk/images/simmetrica.JPG

The answer 'circuit' was provided in this previous question: http://www.proz.com/kudoz/italian_to_english/energy_power_ge...
But I don't think that is correct here, as I think that 'terna' refers directly to the 'three phases' in a three-phase supply.

Could it be "three-phase asymmetrical/symmetrical voltage"?

I also found another resource on this topic: http://www.elettricoplus.it/temi/Normativa_Elettrica/articol...
...Se i tre carichi sono uguali, le tre correnti formeranno una terna simmetrica come quella delle tensioni... La figura 4 riporta l'andamento nel tempo della terna di tensioni. In generale un sistema trifase è detto:
• simmetrico, se le tensioni delle tre fasi hanno uguale ampiezza e sono equisfasate di 120° l'una dall'altra;
• equilibrato (o simmetrico nelle correnti), se le medesime proprietà di simmetria di cui sopra valgono per le tre correnti di fase.

Any other ideas welcome. Thanks in advance for your help.

Proposed translations

+1
1 hr
Selected

symmetrical/asymmetrical three-phase electric system/power

Peer comment(s):

agree James (Jim) Davis : "three phase symmetrical/asymetrical voltage" as labels for those graphs. I once wired up a three-phase circuit a long time ago.
17 mins
Tks..., :-))
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4 KudoZ points awarded for this answer. Comment: "Thanks to all for your contributions, I think this answer must be on the right lines. I've seen 'triad' used but only in translated texts."
2 hrs

symmetrical/asymmetrical triad of voltages

The appropriate English term for the Italian **terna** is **triad**

Reference: Marolli, Dizionarop Tecnico
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