High voltage potential transformers

Latvian translation: Augsta sprieguma potenciāla transformatori

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:High voltage potential transformers
Latvian translation:Augsta sprieguma potenciāla transformatori
Entered by: Uldis Liepkalns

13:23 Aug 21, 2006
English to Latvian translations [PRO]
Tech/Engineering - Electronics / Elect Eng
English term or phrase: High voltage potential transformers
Iepriekš bija current tr, power tr, voltage tr. Tagad šāds. Un atkal bez konteksta.
Kristine Sprula (Lielause)
Latvia
Local time: 18:46
Augsta sprieguma potenciāla transformatori
Explanation:
Potential transformers are used to measure and monitor the voltage of high voltage lines by tranforming the line voltage to some easily measurable value, often 100V (nominally - see below). They are designed for relatively low power but high accuracy and high reliability. The iron core is much larger and the wire resistance lower than usually necessary for that power. This allows to draw 10 time the rated power and more, as long as the windings do not overheat (they are not designed for good heat exchange). The insulation is designed with an extremely high safety margin, as the device must not fail due to voltage transients, even of several times the rated voltage. This makes them virtually indestructible, except thermally.
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Uldis Liepkalns
Latvia
Local time: 18:46
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Summary of answers provided
4 +2Augsta sprieguma potenciāla transformatori
Uldis Liepkalns


  

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21 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +2
high voltage potential transformers
Augsta sprieguma potenciāla transformatori


Explanation:
Potential transformers are used to measure and monitor the voltage of high voltage lines by tranforming the line voltage to some easily measurable value, often 100V (nominally - see below). They are designed for relatively low power but high accuracy and high reliability. The iron core is much larger and the wire resistance lower than usually necessary for that power. This allows to draw 10 time the rated power and more, as long as the windings do not overheat (they are not designed for good heat exchange). The insulation is designed with an extremely high safety margin, as the device must not fail due to voltage transients, even of several times the rated voltage. This makes them virtually indestructible, except thermally.

Uldis Liepkalns
Latvia
Local time: 18:46
Works in field
Native speaker of: Native in LatvianLatvian, Native in RussianRussian
PRO pts in category: 24
Grading comment
Selected automatically based on peer agreement.

Peer comments on this answer (and responses from the answerer)
agree  Imants Plume: var arī:"augstsprieguma potenciāla transformatori"
3 hrs

agree  Ines Burrell
3 hrs
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