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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Aluminum Reduction Technology
Presentation Title Superconductor Busbars – High Benefits for Aluminium Plants
Author(s) Wolfgang Reiser, Till Reek, Carsten Räch , Daniel Kreutzer
On-Site Speaker (Planned) Wolfgang Reiser
Abstract Scope Superconductor busbars have reached industrial readiness. Superconductors are conducting direct current with extremely high densities of more than 500A/mm² with zero losses. Due to their low space requirements, high current carrying capacity and utmost efficiency superconductor busbars will find their place in the aluminium industry. The paper introduces the technical basis of superconductors and continues with technical and economic advantages. Five different usecases are illustrated with information about technical limits, energy efficiency and economic performance. Experiences out of installations are shared. The presented usecases are: Main busbars between rectifiers and potroom; Interconnection busbars between potlines and to standby rectifiers; Magnetic field compensation; DC connection between potline and power plant or grid connection point; Superconducting magnetic field shielding, permanent or mobile Investment costs are indicated as well as costs for maintenance, operation and total cost of ownership for various timelines. A breakeven can be achieved in 4 years.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum,


AP12 Low Energy Technology at ALRO Smelter
Carbon Dust - Its Short-Term Influence on Potroom Operations
Characterisation of Powders-precondition for Plant Engineering
Coupled SPH-DEM to Simulate the Injection of a Powder into a Liquid with Heat Transfer and Phase Change
Dissolution Characteristics and Concentration Measurements of Alumina in Cryolite Melts
Electrochemical Reduction and Dissolution of Aluminium in a Thin-layer Refinery Process
Experience with Lengthy Pot Hibernation at Alcoa Baie-Comeau
Gas Treatment in the GE Pot Integrated ABART Modules (PIA)
Hydro’s New Karmøy Technology Pilot: Start-up and Early Operation
Improvement to Alpsys Instability and Alumina Feeding Control
Individual Anode Current Monitoring during Aluminum Reduction Cell Power Reduction
Influence of Additives on Alumina Dissolution in Superheated Cryolite Melts
Instant Monitoring of Aluminum Chemistry in Cells Using a Portable Liquid Metal Analyzer
Introductory Comments: Aluminum Reduction Technology
Latest Developments in GTC Design to Reduce Fluoride Emissions
Low and High Voltage PFC Slope Coefficient Monitoring during Pot Start-up
Mass Transport by Waves: Bath-metal Interface Deformation, Rafts Collision and Physical Model
Modeling Anode Current Pickup After Setting
New Phase in Upgrade of Søderberg Technology at RUSAL’s Smelters
On Gaseous Emissions during Alumina Feeding
On the Feasibility of Using Low-melting Bath to Accommodate Inert Anodes in Aluminium Electrolysis Cells
Process and Environmental Aspects of Applying Unshaped Carbon Materials for Cell Lining Purposes
Superconductor Busbars – High Benefits for Aluminium Plants

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