Specific Issues of Equivalent Longitudinal Resistances Calculation for Three Windings Transformers

Golovanov Nicolae; Porumb Radu; Toader C.; Bulac Constantin; Triştiu Ion; Seritsan G.

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962

Ultima descărcare din IBN:
2016-01-11 16:33

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similare conform CZU

621.314 (80)

Electrical engineering (1153)

SM ISO690:2012

GOLOVANOV, Nicolae, PORUMB, Radu, TOADER, C., BULAC, Constantin, TRIŞTIU, Ion, SERITSAN, G.. Specific Issues of Equivalent Longitudinal Resistances Calculation for Three Windings Transformers. In: Problemele Energeticii Regionale, 2015, nr. 3(29), pp. 55-62. ISSN 1857-0070.

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Problemele Energeticii Regionale

Numărul 3(29) / 2015 / ISSN 1857-0070

Specific Issues of Equivalent Longitudinal Resistances Calculation for Three Windings Transformers

CZU: 621.314

Pag. 55-62

Golovanov Nicolae, Porumb Radu, Toader C., Bulac Constantin, Triştiu Ion, Seritsan G.

University Politehnica of Bucharest

Disponibil în IBN: 7 ianuarie 2016

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Rezumat

Accomplishing the aspirations of electrical power engineering consists, nowadays, in accurately determining the operating modes. Knowing the parameters of network elements is imperative for accurate solving the power flow regimes. This paper addresses unitarily the calculation of longitudinal resistance of three windings transformers and autotransformers, considering its rated parameters, and discussing the validity of relations demonstrated in detail.

Realizarea aspiraţiile ingineriei electrice constă în zilele noastre în determinarea cu precizie a modurile de operare. Cunoaşterea parametrilor elementelor de reţea este un imperativ pentru rezolvarea corectă a problemei determinării regimurilor de schimb de putere în reţea. În această lucrare se examinează minuţios problema determinării prin calcul a rezistenţei longitudinale a transformatoarelor şi autotransformatoare cu trei înfăşurări, luând în considerare parametrii evaluaţi; se prezintă rezultatele discutării valabilităţii relaţiilor obţinute de calcul.

Достижения поставленных целей при расчете режимов в электрических цепях (сетях) в значительной степени зависит от точности определения параметров элементов этих цепей. Знание значений параметров является обязательным условием для правильного расчета режима обмена мощностью в сетях. В данной работе рассматривается задача определения значения продольного эквивалентного сопротивления трехобмоточных трансформаторов и автотрансформаторов. Выполнен анализ корректности полученных расчетных соотношений.

Cuvinte-cheie
transformer, parameters,

three windings, accurately determining

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