Archivio Istituzionale della RicercaThis work describes a calibration method for mutual inductance standards using the INRIM-POLITO VersICaL fully- digital impedance bridge. Four mutual inductors with nominal values of 10 mH, 1 mH, 0.5 mH, and 0.1 mH were measured with both the VersICaL bridge and a commercial LCR metre in the audio frequency range. The measurements carried out with the two methods are reasonably comparable within a preliminary evaluation of the uncertainty. The low frequency behaviour of mutual inductors is relevant for their potential application in the calibration of impedance analysers in the mHz range.
Calibration of mutual inductance standards with a fully-digital impedance bridge / Medved, Juan; Cultrera, Alessandro; Marzano, Martina; D'Elia, Vicenzo; Ortolano, Massimo; Callegaro, Luca. - ELETTRONICO. - (2025). (Intervento presentato al convegno 2025 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) tenutosi a Chenmitz (Ger) nel 19-22 May 2025) [10.1109/I2MTC62753.2025.11079048].
Calibration of mutual inductance standards with a fully-digital impedance bridge
Medved, Juan;Ortolano, Massimo;
2025
Abstract
This work describes a calibration method for mutual inductance standards using the INRIM-POLITO VersICaL fully- digital impedance bridge. Four mutual inductors with nominal values of 10 mH, 1 mH, 0.5 mH, and 0.1 mH were measured with both the VersICaL bridge and a commercial LCR metre in the audio frequency range. The measurements carried out with the two methods are reasonably comparable within a preliminary evaluation of the uncertainty. The low frequency behaviour of mutual inductors is relevant for their potential application in the calibration of impedance analysers in the mHz range.
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https://hdl.handle.net/11583/3001858