NDLI: Improvement of Hall Effect Current Transducer Metrological Performances in the Presence of Harmonic Distortion

Content Provider	IEEE Xplore Digital Library
Author	Cataliotti, A. Di Cara, D. Emanuel, A.E. Nuccio, S.
Copyright Year	1963
Abstract	The performance of Hall effect current transducers (HECTs), under distorted waveform conditions, is usually characterized by means of a frequency response test. In this paper, it was investigated if frequency response is able to correctly evaluate the ratio and the phase errors under distorted conditions. Two HECTs, with the accuracy class level of 1% and 0.5%, respectively, were experimentally characterized under two conditions: 1) sinusoidal excitation with frequencies ranging from 50 to 750 Hz, which is the well-known frequency response test, and 2) nonsinusoidal excitation using fundamental frequency and one harmonic with adjusted amplitude and phase shift. It was found that ratio and phase errors are weakly affected by the harmonic amplitude and phase shift, with respect to the fundamental in the accuracy level of 0.1% and 0.05^°. They have, instead, a strong dependence from conductor location in the HECT window. These results suggest that the frequency response approach for the evaluation of HECT performance, under distorted waveform conditions, can be used for an error compensation method only if the position of the primary conductor is known. An error compensation method, based on the frequency response, was implemented and tested with a distorted waveform composed of fundamental and many harmonics. For each of the harmonic components, the errors were reduced to one tenth of the measured ones.
Sponsorship	IEEE Instrumentation and Measurement Society Bureau international des poids et mesures IEEE International Bureau of Weights and Measures (BIPM) URSI NBS Agency Ind. Sci. & Technol., Min. Int. Trade & Ind. Sci. Council Japan International Union of Pure and Applied Physics (IUPAP) NIST NRCC National Conference of Standards Laboratories (NCSL) Allen Osborne Associates Andeen-Hagerling, Inc. Ballantine Lab. Inc. Clarke-Hess Communications Research Corp. Fluke Corporation Guildline Instruments Hewlett-Packard Co. Julie Res. Lab. Inc. Keithley Instruments, Inc. Measurements International Ltd. Canada QuadTech Inc. Quantum Design Inc. Rotek Instrum. Corp. Tegam Inc. Tektronix Inc
Starting Page	1091
Ending Page	1097
Page Count	7
File Size	998417
File Format	PDF
ISSN	00189456
Volume Number	59
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hall effect Transducers Harmonic distortion Frequency response Testing Performance evaluation Conductors Error compensation Error correction Phase distortion power system harmonics Current measurement current transducer frequency response hall effect devices harmonic distortion
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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