A Non-Contact Technique for Determining Harmonic Currents Present in Individual Conductors of Overhead Lines

This work derives the relations between harmonic or fundamental currents in overhead three-phase circuits and the magnetic fields measured under the lines. These relations are used to calculate harmonic currents in each conductor from the magnetic field data. Calculated and experimental field patter...

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Bibliographic Details
Published in:IEEE transactions on power apparatus and systems 1983-03, Vol.PAS-102 (3), p.596-603
Main Authors: EMANUEL, A. E., ORR, J. A., PILEGGI, D, J., GULACHENSKI, E. M.
Format: Article
Language:English
Subjects:
Conductors
Current measurement
Magnetic field measurement
Manufacturing industries
Pollution measurement
Power harmonic filters
Power system harmonics
Resonance
Samarium
Voltage
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Summary:This work derives the relations between harmonic or fundamental currents in overhead three-phase circuits and the magnetic fields measured under the lines. These relations are used to calculate harmonic currents in each conductor from the magnetic field data. Calculated and experimental field patterns are shown, and a specific technique for field measurements and current calculations is outlined. Laboratory results indicate that a good level of accuracy is attainable with this non-contact technique.
ISSN:0018-9510
2995-6323
DOI:10.1109/TPAS.1983.317980