CALIBRATION METHODS FOR VOLTAGE SENSING DEVICES

A calibration method for enhancing a measurement accuracy of one or more voltage sensing devices in presence of a plurality of conductors is provided. The method includes operatively coupling at least one voltage sensing device of the one or more voltage sensing devices to a respective conductor of...

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Bibliographic Details
Main Authors O'SULLIVAN CHARLES BRENDAN, KOLWALKAR AMOL RAJARAM, VARTAK SAMEER DINKAR, RAGHUNATHAN ARUN KUMAR, KULKARNI ABHIJEET ARVIND
Format Patent
LanguageEnglish
Published 19.11.2015
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:A calibration method for enhancing a measurement accuracy of one or more voltage sensing devices in presence of a plurality of conductors is provided. The method includes operatively coupling at least one voltage sensing device of the one or more voltage sensing devices to a respective conductor of the plurality of conductors and determining a sensed voltage value of the respective conductor using the at least one voltage sensing device The method further includes determining a calibration matrix having cross-coupling factors representative of cross-coupling between an antenna of the at least one voltage sensing device and other conductors of the plurality of conductors and determining a corrected voltage value of the respective conductor by deducting at least in part contributions of the cross-coupling from the sensed voltage value of the respective conductor using the calibration matrix.
Bibliography:Application Number: US201414276253