Modelling of voltage transformer performance in power system harmonic frequency range

Łuszcz, Jarosław; Moson, I.

doi:10.1109/isncc.2008.4627517

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…The theoretical analysis and existing experimental studies have shown that frequency has great impact on the capacitive voltage transformer errors, so capacitive voltage transformer will not be chosen as the standard device for harmonic measurement [3,4,5]. Relevant literature in foreign had analyzed the frequency response characteristic of electromagnetic voltage transformer by experiments, the results indicate that amplitude error under 1 kHz is less than 3%, but it didn't obtain the phase frequency characteristic curve [6,7,8].…”

Section: Harmonic Error Measurement Systemmentioning

confidence: 99%

Research on harmonic characteristics of electronic instrument transformer

Yang¹,

Hu²,

Li³

et al. 2015

Proceedings of the 2015 6th International Conference on Manufacturing Science and Engineering

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A harmonic error measurement system which can simulate the actual operating conditions of electronic instrument transformer was established for electronic instrument transformer harmonic error measurement. The system consists of High-power current and voltage harmonic source which is used to output fundamental and harmonic signal, harmonic voltage and current standard device and harmonic analyzer. The results indicate that after superposing the fundamental and harmonic, ratio and phase error of electronic current transformer (ECT) becomes larger with increasing frequency; ratio error of electronic voltage transformer(EVT) increases with the increasing harmonics frequency, but EVT phase error changed to negative value at rated current, 150Hz frequency.

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