A New Assessment Method for Energy Consumption of Thermal Power Unit

Bin Luo; Rui Ma; Yuan Xin Chen; Gui Lin Xu

doi:10.4028/www.scientific.net/AMM.268-270.962

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 268-270A New Assessment Method for Energy Consumption of...

A New Assessment Method for Energy Consumption of Thermal Power Unit

Abstract:

Energy consuming condition of thermal power unit is reflected by its historical operation data, but the amount of data and the number of energy consumption indices are large. And there are complex and strong correlations among them. These make it difficult to assess the energy consuming condition of unit. This paper proposes a model and method based on improved Principal Component Analysis(PCA) assessing the energy consuming condition of unit. Those assessment problems are solved well by the application of feature extraction and dimensions reducing functions of improved PCA. Meanwhile, traditional assessments’ drawbacks-subjectivity and uncertainty are avoided because the weights of components are determined completely according to the data. Finally, the feasibility and effectiveness of the proposed model are demonstrated with a case study involving energy consumption condition analysis of a 600MW unit in China.

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Periodical:

Applied Mechanics and Materials (Volumes 268-270)

Pages:

962-966

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.268-270.962

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Online since:

December 2012

Authors:

Bin Luo, Rui Ma, Yuan Xin Chen, Gui Lin Xu

Keywords:

Dimensions Reducing, Energy Consumption Condition Assessment, Feature Extraction, Improved Principal Component Analysis (PCA)

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