Software application for unbalanced regime analysis in three phase low voltage networks

Lepadat, Ionel; Helerea, Elena; Moasa, Beatrice

doi:10.1556/pollack.8.2013.2.16

Cited by 3 publications

(1 citation statement)

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“…Also, in international regulations [18]- [19], are defined specific indicators, and assessing the possible errors in the calculation of indicators are taken in account. The researches in papers [20]- [23] target on the development of hardware and software algorithms to determine the RMS values of the voltages and currents in combined regime of unbalance and harmonic distorted regime, and identify possible hidden errors in calculation and interpretation.…”

Section: Introductionmentioning

confidence: 99%

Assessment of voltage quality indicators in unbalanced and harmonic distorted regime

Abagiu¹,

Lepadat²,

Helerea³

et al. 2016

Pollack Periodica

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This paper deals with the development of a model for assessment of the indicators, which characterize the unbalanced and harmonic distorted operation regime in the three-phase low voltage networks. The symmetrical components transformation and the Fourier method are applied, in which each harmonic is decomposed into zero, positive and negative sequence components. The quality indicators in voltage distorted and unbalanced regime are obtained using MathCAD software. The proposed model and procedure is applied for specific case studies. This approach allows the identification and analysis of distorted and unbalanced regime indicators of three-phase low voltage supply system in common coupling point of the consumer, and the procedure can be integrated into a power quality monitoring system.

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Section: Introductionmentioning

confidence: 99%