Abstract: Abstract:Taking the Inner Mongolia Datang International Recycling Resource Development Company Limited as example, the technical requirement of the electrolytic aluminium enterprise was introduced. The structure and principle of the electrolytic rectificate power and its practical operation situation were described. The technologies used in the rectificate power reformation were analyzed. Some suggestions for element selection were given, which can be used as reference for treating similar problems.

Key words: Keywords:electrolytic aluminium, thyristor, rectifier cabinet, power supply reform