Compensation of Complex Frequency Errors of Voltage Instrument Transformers

被引：0
|
作者：
Crotti, G. [1 ]
Gallo, D. [2 ]
Giordano, D. [1 ]
Landi, C. [2 ]
Luiso, M. [2 ]
机构：
[1] Ist Nazl Ric Metrol, Turin, Italy
[2] Univ Campania Luigi Vanvitelli, Dept Ind & Informat Engn, Aversa, CE, Italy
来源：
2018 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM 2018) | 2018年
关键词：
Measurement; Power System Measurement; Instrument Transformers; Power Quality; Frequency Response; Resonance Frequency; Digital Filter; Uncertainty;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The paper focuses on a system for the compensation of the frequency response of voltage instrument transformers through the use of a digital filter. After a brief review of the compensation method, the performances of the digital filter in the correction of the frequency response of voltage transformers with first resonances within the 50th harmonic are investigated and quantified. Examples of implementation of the filter both in LabVIEW, for off-line correction, and by FPGA, enabling real-time correction, are given. First results show a reduction of the voltage transformer errors up to two orders of magnitude at the first resonance frequency.
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页数：2
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