Archivio Istituzionale della RicercaWithin the frame of the European project 'Future Grid II-Metrology for the next-generation digital substation instrumentation', several partners developed traceable calibration systems which allow the calibration of conventional or non-conventional instrument transformers (IT) even with a sampled value (digital) output according to IEC 61869-9. Different setups are prepared to allow the calibration with complex test waveforms to emulate steady state, dynamic or temporary events during the assessment of the ITs. The laboratory calibration setups for either current transformers or voltage transformers are briefly described. Several results obtained for different kind of voltage or current transformers are presented.
Novel Calibration systems for the dynamic and steady-state testing of digital instrument transformers / Chen, Y.; Crotti, G.; Dubowik, A.; Letizia, P. S.; Mohns, E.; Luiso, M.; Bruna, J.. - ELETTRONICO. - (2021), pp. 1-6. (Intervento presentato al convegno 11th IEEE International Workshop on Applied Measurements for Power Systems, AMPS 2021 tenutosi a Cagliari, Italy nel 29 September 2021 - 01 October 2021) [10.1109/AMPS50177.2021.9586040].
Novel Calibration systems for the dynamic and steady-state testing of digital instrument transformers
Letizia P. S.;
2021
Abstract
Within the frame of the European project 'Future Grid II-Metrology for the next-generation digital substation instrumentation', several partners developed traceable calibration systems which allow the calibration of conventional or non-conventional instrument transformers (IT) even with a sampled value (digital) output according to IEC 61869-9. Different setups are prepared to allow the calibration with complex test waveforms to emulate steady state, dynamic or temporary events during the assessment of the ITs. The laboratory calibration setups for either current transformers or voltage transformers are briefly described. Several results obtained for different kind of voltage or current transformers are presented.
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https://hdl.handle.net/11583/2969129