Online measurement method and device for anode current of aluminum electrolytic cell
2014
The invention discloses an online measurement method and device for anode current of an aluminum electrolytic cell. The online measurement method comprises the following steps: setting a plurality of main measurement points on an anode beam bus bar or a riser bus bar so as to obtain voltage values of the main measurement points, establishing a resistance network of the beam bus bar according to Kirchhoff voltage and current laws, and calculating the flowing-in current of each anode by utilizing the values of obtained voltage or voltage difference values. The real-time online dynamic acquisition on the flowing-in current of each anode of the aluminum electrolytic cell can be realized by using the measurement method and the device. The long-time stable and reliable online acquisition on the anode current can be realized when the online measurement method and device are applied to the aluminum electrolytic cell.
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