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Data mining-based modeling and application in the energy-saving analysis of large coal-fired power units

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4 Author(s)
Yong-Ping Yang ; Key Lab. of Condition Monitoring & Control for Power Plant Equip., North China Electr. Power Univ., Beijing, China ; Ning-Ling Wang ; Zhi-Wei Zhang ; De-Gang Chen

The large-sized coal-fired power units characterizes as wide thermodynamic scale, huge equipment, large flow and mass, which results in distinct nonlinear feature in energy transmission, conversion and dissipation for specific equipment, system and process. There's highly coupling and nonlinear correlation between the energy consumption in power generation and the external environment, resources and load demand. A data mining-based modeling methodology for complex system was proposed in this paper, reflecting the influences of boundary constraints and implementing the reconstruction of operation states. Based on this, a Spatial-temporal Distribution Model of Energy Consumption at Overall Conditions (SDMEC) for large coal-fired power units was built based on ε-SVR data mining and verified by the practical operation data of thermal power units. The result shows that the ε-SVR-based model is easy to implement and explicit to interpret with high accuracy.

Published in:

Machine Learning and Cybernetics (ICMLC), 2010 International Conference on  (Volume:3 )

Date of Conference:

11-14 July 2010