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Расчёт несимметричных режимов в электроэнергетической системе на основе сочетания систем координат

Расчёт несимметричных режимов в электроэнергетической системе на основе сочетания систем координат

Abstract

The technique of designing the electric system modes at multiple asymmetry subject to electromechanical transients has been proposed and demonstrated. The design is based on the fact that only that part Известия Томского политехнического университета. 2010. Т. 316. № 4 206 of electric network where short circuits and phase loss occur is introduced in the form of three-phase equivalent circuit. The rest part is introduced in the system of symmetrical components of direct, inverse and zero sequences. The interaction between the parts of the diagram given in symmetrical components and three-phase coordinates is carried out at step-by-step calculation by the proper direct and inverse coordinate transformations.

Предлагается и иллюстрируется приём расчёта режимов электроэнергетической системы при многоместной несимметрии с учётом электромеханических переходных процессов. Расчёт основан на том, что в виде трёхфазной схемы замещения представляется только та часть электрической сети, в которой имеют место короткие замыкания и обрывы фаз. Остальная часть представляется в системе симметричных составляющих прямой, обратной и нулевой последовательности. Взаимосвязь между частями схемы, представленными в симметричных составляющих и трёхфазных координатах, при пошаговом расчёте осуществляется соответствующим прямым и обратным преобразованием координат.

Keywords

несимметричные режимы, электромеханический переходный процесс

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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