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Energies 2012, 5(11), 4844-4869; doi:10.3390/en5114844
Article

An Industrial System Powered by Wind and Coal for Aluminum Production: A Case Study of Technical Demonstration and Economic Feasibility

1
,
2,* , 2
,
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,
3
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4
1 School of Electrical Engineering, Wuhan University, Wuhan 430072, China 2 State Key Laboratory of Power Systems, Department of Electrical Engineering, Tsinghua University, Beijing 100084, China 3 China Power Investment Corporation, Beijing 100140, China 4 Energy Group Meng-Dong Group, Tongliao 028000, Inner Mongolia, China
* Author to whom correspondence should be addressed.
Received: 8 October 2012 / Revised: 31 October 2012 / Accepted: 7 November 2012 / Published: 21 November 2012
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Abstract

This paper presents a case study of an isolated industrial power system for aluminum production. The novel concept is that the cost of aluminum electrolysis can be significantly reduced by innovative application of hybrid systems incorporating wind energy and low-grade coal. In addition, the low-grade coal, which sale is not profitable in the market, can be locally consumed by the isolated power system. The power system thus fully utilizes the local resources in an effective and economic manner. However, several technical and economic issues are still of concern because the industrial system is isolated from the state grid. This paper hence discusses these issues and demonstrates the feasibility of such a hybrid power system from the technical and economic perspectives.
Keywords: isolated power system; wind power; aluminum production; technical demonstration; economic feasibility isolated power system; wind power; aluminum production; technical demonstration; economic feasibility
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Sun, Y.-Z.; Lin, J.; Song, Y.-H.; Xu, J.; Li, X.-M.; Dong, J.-X. An Industrial System Powered by Wind and Coal for Aluminum Production: A Case Study of Technical Demonstration and Economic Feasibility. Energies 2012, 5, 4844-4869.

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