A new potline installed by the Icelandic Aluminium Company (ISAL) at its Straumsvik smelter has increased the production capacity of the plant by 62%. This article describes the electrical system behind this project. To increase capacity and give it a competitive edge in the marketplace, the Icelandic Aluminium Company (ISAL) recently added a third potline to its smelter at Straumsvik, Iceland. Start-up of the new line, which has 160 pots, has increased the annual production capacity of the plant by 62,000 tonnes. The electric power supply system for potline 3 was designed, manufactured and installed by ABB in close co-operation with the Iceland Project Management Team (IPM) and the National Power Company (NPC). ALESA Alusuisse Engineering Ltd and ISAL drew up the specifications for the power supply.
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