Powered by OpenAIRE graph
Found an issue? Give us feedback
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Современные проблемы...arrow_drop_down
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
addClaim

This Research product is the result of merged Research products in OpenAIRE.

You have already added 0 works in your ORCID record related to the merged Research product.

Математическая модель трансформатора при его диагностике коротким импульсом

Математическая модель трансформатора при его диагностике коротким импульсом

Abstract

The synthesis of the model of winding of a three-phase two-winding transformer has been considered. The original input signal in the form of a short duration pulse into components of the Fourier series has been decomposed. In accordance with the superposition principle for each component of decomposition the transient process has been calculated. To determine the transients of currents and voltages the state space method have been used, the distribution of parameters of the equivalent circuit as well as the influence of the skin effect have been taken in account. The examples of the calculation of inductance and resistance of the transformer windings with circular and rectangular cross section with the skin effect by calculating the distribution of the magnetic field potential using the finite element method have been given. To implement the finite element method the COMSOL Mul-tiphysics soft ware has been used. The functions of the state variables with input action as a probe pulse of short duration are given. According to a comparative analysis, the modeling characteristics obtained by us and the characteristics of a natural experiment have been coincided.

Приводится оригинальный синтез модели обмоток трехфазного двухобмоточного трансформатора. Ис-ходный сигнал входного воздействия в виде импульса короткой длительности раскладывался на со-ставляющие ряда Фурье. Для каждой составляющей в соответствии с принципом суперпозиции рассчи-тывался переходный процесс. Для определения функций токов и напряжений использовался метод про-странства состояний с учётом распределённости параметров схемы замещения, а также влияния скин-эффекта. В работе приведен пример расчета индуктивности и сопротивления витков обмотки трансфор-матора круглого и прямоугольного сечения с учетом скин-эффекта на основе расчёта поля распределе-ния магнитного потенциала c использованием метода конечных элементов. Для реализации метода ко-нечных элементов был использован пакет COMSOL Multiphysics. Приведены функции переменных со-стояния при входном воздействии в виде зондирующего импульса короткой длительности. По данным сравнительного анализа, полученные нами характеристики на основе моделирования и характеристики натурного эксперимента совпадают.

Keywords

ПЕРЕХОДНЫЕ ПРОЦЕССЫ., УРАВНЕНИЯ МАКСВЕЛЛА, СКИН-ЭФФЕКТ, МЕТОД ПРОСТРАНСТВА СОСТОЯНИЙ, ПОПЕРЕЧНОЕ СЕЧЕНИЕ ПРОВОДА, ДИАГНОСТИКА ТРАНСФОРМАТОРА, ОБМОТКИ ТРАНСФОРМАТОРА, TRANSIENTS., ТRANSFORMER

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold