This paper presents a study on the inductive current transformer behaviour when subjected to distorted actual waveforms. Typical tools adopted to deal with such a condition, as the well-known ratio error, phase error, frequency response, etc. not always provide satisfactory results in all the possible operating condition. In addition, Standards lack in detailing which actual distorted waveforms need to be used to test the transformers. To this purpose, the paper introduces both the use of particular actual fault current waveforms and a simple index for testing the performance of the transformer. Preliminary results show its helpfulness when applied to particular waveforms.

Mingotti, A., Peretto, L., Tinarelli, R., Zhang, J. (2019). Use of COMTRADE Fault Current Data to Test Inductive Current Transformers [10.1109/METROI4.2019.8792871].

Use of COMTRADE Fault Current Data to Test Inductive Current Transformers

Mingotti, Alessandro;Peretto, Lorenzo;Tinarelli, Roberto;
2019

Abstract

This paper presents a study on the inductive current transformer behaviour when subjected to distorted actual waveforms. Typical tools adopted to deal with such a condition, as the well-known ratio error, phase error, frequency response, etc. not always provide satisfactory results in all the possible operating condition. In addition, Standards lack in detailing which actual distorted waveforms need to be used to test the transformers. To this purpose, the paper introduces both the use of particular actual fault current waveforms and a simple index for testing the performance of the transformer. Preliminary results show its helpfulness when applied to particular waveforms.
2019
Proc. of 2019 II Workshop on Metrology for Industry 4.0 and IoT (MetroInd4.0&IoT)
103
107
Mingotti, A., Peretto, L., Tinarelli, R., Zhang, J. (2019). Use of COMTRADE Fault Current Data to Test Inductive Current Transformers [10.1109/METROI4.2019.8792871].
Mingotti, Alessandro; Peretto, Lorenzo; Tinarelli, Roberto; Zhang, Junhao
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/697935
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