ABB's integrated power solution for giant aluminum plant

ABB 為超大型鋁廠提供完整綜合電力解決方案

2006-05-26 - ABB is supplying a complete integrated power solution – including process-critical rectifiers, unique rectifier control systems and award-winning current sensors – for the biggest aluminum potline ever built.

“ABB is the only company with the capability to supply an integrated power solution of this scope and complexity,” says Max Wiestner, industry manager for ABB’s aluminum business.

2006-05-26—ABB正在為最大的鋁電解槽提供一個完整的綜合電力解決方案，該方案包括關鍵過程的整流器，單一整流器控制系統以及曾得獎的電流傳感器。ABB鋁事業部產業經理Max Wiestner表示：“ABB是唯一有能力提供這樣大范圍和復雜性綜合電力解決方案的公司。”

The 360-pot Sohar aluminum plant in Oman will have a production capacity of 360,000 tons and be the biggest aluminum potline in the world when it goes on stream in March 2008. Sohar is a joint venture between industry and regional leaders Oman Oil Company, ADWEA (Abu Dhabi Electricity and Water) and Alcan.

具有360個鋁罐的阿曼蘇哈爾鋁廠在2008年3月投產之后，將以36萬噸的年產能成為世界上最大的鋁電解槽。蘇哈爾鋁廠是阿曼石油公司和阿布扎比水電局（ADWEA）以及加拿大鋁業公司（Alcan）的合資公司。

ABB’s scope of supply includes five giant 113 kA / 1650 VDC rectifier transformers – the most powerful ever built, each one weighing more than 300 tons – five AC 800PEC high-speed control and protection units for the rectifiers, a level-2 SCADA (supervisory control and data acquisition) system for the rectifier station and gas insulated substation, and ABB’s recently launched and award-winning fiber-optic current sensors (FOCS).

ABB的供應范圍包括五個由此以來最大功率的大型113 kA / 1650 VDC整流器變壓器，每個變壓器的重量均超過300噸，五個用于整流器的交流800PEC高速控制保護裝置，一個用于整流器站和氣體絕緣變電站的級別2的監測和數據采集（SCADA）系統，以及ABB最近發布的、獲獎的光纖電流傳感器（FOCS）。

Rectifiers – key to the process

整流器——過程的關鍵

Rectifiers are the critical components in a smelter potline. They convert AC to DC power which is then passed through the molten electrolyte in the pots to form aluminum.

If the rectifiers fail and the line shuts down, the molten aluminum will “freeze” within hours, at a cost of $100 million or more.

整流器是熔爐電解槽中的關鍵組成部分。它們把交流電轉化成直流電，然后在槽里熔化的電解液中傳遞，從而使電解液形成鋁。倘若整流器出了故障導致整個生產線停工，那些熔化的鋁將在幾個小時之內冷卻下來，代價將是1億美元甚至更多。

Another key contributor to process reliability is ABB’s FOCS technology, which has revolutionized current measurement in large power-consuming applications like aluminum smelters.

另一個過程可靠性的關鍵因素是ABB的FOCS技術，是一項在例如鋁熔爐等大型能耗應用中具有革命性的電流測量技術。

Alcan had previously tested FOCS at a smelter in France and were very impressed with the results. Compared to alternative current measurement technology FOCS weighs 20 kg against the conventional 2,000 kg, takes four hours to install instead of 40, improves accuracy by a factor of 10 to an unrivalled 99.9 percent, and is immune to electromagnetic interference.

Alcan已經在法國的一個熔爐里測試過FOCS技術，并對結果印象深刻。與交流電測量技術相比，FOCS僅重20kg，而傳統的重2,000kg，FOCS僅需要四個小時即可安裝完成，傳統的則需花40個小時，FOCS的精確度更是從傳統的10%提高到無可匹敵的99.9%，而且FOCS具有防電磁干擾功能。

On the control side, the AC 800PEC uniquely combines in a single modular system the high-speed control requirements of large rectifiers with low-speed control tasks usually carried out by separate PLC units.

在控制端，交流式800PEC獨特地結合了在一個單一模系統里大型整流器所需要的高速控制要求和通常由獨立PLC裝置執行的低速控制任務。

Industrial complex

工業聯合體

The Sohar aluminum plant is part of a massive greenfield industrialization project in Oman to establish alternative sources of revenue to oil and gas. In addition to the smelter, the project includes two steel plants and a chemicals plant, all of which will be located 12 kilometers inland from the port of Sohar.

蘇哈爾鋁廠是阿曼用于建立油氣可選擇資源收入而大力發展的工業化項目之一。除了鋁廠，該項目還包括兩座鋼鐵廠和一座化學廠，這些廠都是位于距離蘇哈爾港12公里的內陸地方。

Already a second potline of the same size and capacity is planned for construction later this decade.

與現在同樣大小和容量的第二個鋁電解槽已經在籌建計劃中，將在未來的十年里動工。

ABB is the market and technology leader in power conversion for smelter applications, with more than 80 years’ experience, a global market share of 50 percent, and a full scope of supply capability.

ABB是熔爐電流轉換應用中的市場和技術領先者，具有80余年的歷史，全球市場占有率達50%，以及全范圍的供應能力。                                                                     

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