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System for the Measurement of Cathodic Currents in Electrorefining Processes That Employ Multicircuital Technology

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3 Author(s)
Pablo E. Aqueveque ; Department of Electrical Engineering, Faculty of Engineering, University of Concepción, Concepción, Chile ; Eduardo P. Wiechmann ; Aníbal S. Morales

This paper presents a measurement system of cathodic currents for copper electrorefining processes using multicircuital technology with optibar intercell bars. The proposed system is based on current estimation using 55 magnetic field sensors per intercell bar. Current values are sampled and stored every 5 min for seven days in a compatible SQL database. The method does not affect the normal operation of the process and does not require any structural modifications. The system for online measurement of 40 cells involving 2090 sensors is in operation in an electrorefinery site.

Published in:

IEEE Transactions on Industry Applications  (Volume:46 ,  Issue: 5 )