Dynamic compensation of capacitive voltage transformers

被引：43
|
作者：
Izykowski, J
Kasztenny, B
Rosolowski, E
Saha, MM
Hillstrom, B
机构：
[1] Wroclaw Tech Univ, PL-50370 Wroclaw, Poland
[2] ABB Network Partner AB, S-72171 Vasteras, Sweden
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 1998年 / 13卷 / 01期
关键词：
capacitive voltage transformers; dynamics; compensation; protective relaying;
D O I：
10.1109/61.660865
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：
This paper presents the digital algorithm for on-line dynamic compensation of the secondary voltage of a Capacitive Voltage Transformer (CVT). The adopted CVT model together with the assumed simplifications is given first. Next, the compensating algorithm based on digital inversion of the CVT transfer function is derived. Frequency domain analysis and quantitative evaluation of the compensation follow. The ATP-EMTP simulations are included that show the improvement of the measurement of protective criteria quantities as a result of dynamic compensation of a CVT.
引用
收藏
页码：116 / 122
页数：7
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