Comparison of the operation of magnetic separators with direct and alternating current
Abstract
The possibility of powering separators of conventional designs with alternating current has been directly confirmed experimentally. When the separator operates on alternating current, the concentrate obtained is substantially purer than when the separator operates on direct current. Therefore, for a given degree of concentrate purity, an AC separator can provide significantly higher throughput. The recovery of the magnetic mineral into the concentrate is the same when the separator is powered with either direct or alternating current. The current required when powering the separator with alternating current is only slightly higher than the current required when supplying it with direct current. Therefore, the increase in energy losses in the separator winding when switching to alternating current supply is negligible.
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References
- Technical Encyclopedia, Handbook, Volume IV, p. 120. (in Russian)
- A. Ya. Sochnev, Annales de l'Institut des Mines ȧ Leningrad Zapiski Gornogo Instituta, Vol. VIII, 1934 (in Russian)