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On the remote calibration of voltage transformers: validation of opportunity

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Rens, Sané
Rens, Johan
Holm, Johann
Botha, Gerhard
Desmet, Jan

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IEEE

Abstract

Remote calibration of instrument transformers seems possible if sufficient certainty in field measurements can be achieved. This opportunity, until now, was only investigated from a theoretical point of view and in this paper, is now further investigated by using real-life synchrophasors. A transmission line is emulated, and voltage and current synchrophasors collected across the transmission line by two different synchrophasor recorders to derive a ratio correction factor for the remote instrument transformers

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Rens, S. et al. 2018. On the remote calibration of voltage transformers: validation of opportunity. Proceedings of the IEEE 9th International Workshop on Applied Measurements for Power Systems (AMPS), 26-28 Sep, Bologna, Italy: Article no 8494862. [https://doi.org/ 10.1109/AMPS.2018.8494862]

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