Updating a steel mill power system to improve reliability and decrease energy costs

Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting Pub Date : 1993-10-02 DOI:10.1109/IAS.1993.299219

J. Albaugh, M. Kornblit

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引用次数: 2

Abstract

The authors provide insight into the planning and implementation of several significant cost saving and reliability improvements at a turn-of-the-century steel mill in Ohio. A number of target areas needing attention were identified. These included the cost of electrical energy, the cost to manufacture oxygen inhouse, and the need to accommodate future modernization projects. An option also under consideration included possible elimination of the oxygen facility if lower-cost oxygen could be purchased from an independent vendor. Preliminary evaluations, plans, and reviews took approximately two years before approval was received to proceed with the main oxygen plant project. Its bidding process and implementation took an additional year. The power system modernization project, which included addition of the power monitoring system, short-circuit retrofit of the 13.8 kV switchgear, distribution transformer isolation capability and two new double-ended low voltage substations took an additional six months.<>

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更新钢厂电力系统，提高可靠性，降低能源成本

作者对俄亥俄州一家世纪之交的钢铁厂的几项重大成本节约和可靠性改进的规划和实施提供了见解。确定了若干需要注意的目标领域。这些成本包括电能成本、在室内制造氧气的成本，以及适应未来现代化项目的需要。还在考虑的一项选择包括，如果可以从独立供应商处购买成本较低的氧气，可能会取消氧气设施。初步的评估、计划和审查花了大约两年的时间才获得批准，开始进行主要的制氧厂项目。它的投标过程和实施又花了一年时间。电力系统现代化项目，包括增加电力监控系统，对13.8千伏开关柜进行短路改造，配电变压器隔离能力和两个新的双端低压变电站，又花了六个月的时间

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Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting

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