Anode and cathode current monitoring

Details Anode and cathode current monitoring Anode and cathode current monitoring

G - Physics

01

R

G01R 19/08 (2006.01) C22B 21/02 (2006.01) C25C 3/06 (2006.01) C25C 3/20 (2006.01)

Patent

CA 2299260

The present invention provides a method and apparatus for determining the current densities in an alumina reduction cell by the measuring of magnetic fields without contact with the anodes or cathodes. The current density is modelled by determining the currents in the anodes and/or cathodes by measuring the magnetic field produced by the anodes or cathodes, or the conductors feeding them, and electronically correcting for ambient effects. The apparatus consists of Hall Effect devices to measure the magnetic field and electronics to correct, display, log and analyze the data.

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