Superposition principle in mathematical models of the factual contribution distribution of linear sources of distortion in voltage distortion at the point of common coupling
DOI:
https://doi.org/10.15802/etr.v0i10.83572Keywords:
power quality, factual contribution, point of common coupling, voltage asymmetry, voltage deviationAbstract
The consumption and transmission of electric energy of reduced quality is the cause of many negative consequences that lead to economic losses of consumers and suppliers of electric power. Nowadays there are quite a great number of methods for the determination of the factual contribution in the quality power reduction. The main part of them is designed in the space of symmetrical components and is based on the usage of the relevant parameters of the operating regime and equivalent circuits of power systems elements. This technique is a major cause of disadvantages of existing methods for the determination of factual contributions. The development of new mathematical models is the key to the creation of new and better methods of factual contributions distribution. The results on the development of a new mathematical model of factual contributions distribution of linear sources of distortion in voltage distortion in the power supply system, which is based on the phase components space and accounts for the distributed nature of sources of distortion, are presented in the article. The main idea of the designed model is generation of distorting parts in all sources of distortion and determination of their factual contribution to the overall voltage distortion.
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