Effect of harmonic distortion on electric energy meters of different metrological principles

查看全文 作　　者：Illia [1]DIAHOVCHENKO;Vitalii [1]VOLOKHIN;Victoria [1]KUROCHKINA;Michal [2]SPES;Michal [2]KOSTEREC

机构地区：[1]Department of Electrical Power Engineering, Sumy State University, Sumy 40037, Ukraine;[2]Department of Electric Power Engineering,Technical University of Kosice, Kosice 04200,Slovakia

出　　处：《Frontiers in Energy》索引2019年第13卷第2期,共9页

摘　　要：This paper deals with the errors of electric energy metering devices as a result of distortions in the shape of the curves of voltage and current load. It is shown and proved that the errors in energy measurements depend on the design and the algorithms used in electricity meters. There are three main types of metering devises having different principles: inductive (electro-mechanical), elec-tronic static, and digital electronic (microprocessor). Each of these types has its measuring features. Some devices take into account all the harmonic distortions and the constant component which occur in the network while others measure the power and energy values of the fundamental harmonic only. Such traits lead to the discrepancies in the readings of commercial electric energy meters of different types. Hence, the violations in the measurement system unity occur, and a significant error can be observed in the balance of transmitted/consumed electric energy. 关键词：CURRENT DISTORTION ELECTRIC energy METER HARMONICS power quality

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Effect of harmonic distortion on electric energy meters of different metrological principles

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