Analysis on Energy Saving Potential for Pumped-storage and Two-shift Peaking of Coal-fired Units | Zendy

Hongwei Zhang | Zendy; Junqing Liu | Zendy

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Analysis on Energy Saving Potential for Pumped-storage and Two-shift Peaking of Coal-fired Units

Author(s) -

Hongwei Zhang,

Junqing Liu

Publication year - 2019

Publication title -

iop conference series earth and environmental science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.179

H-Index - 26

eISSN - 1755-1307

pISSN - 1755-1315

DOI - 10.1088/1755-1315/295/5/052021

Subject(s) - peaking power plant , coal , energy storage , mode (computer interface) , environmental science , power (physics) , peak load , thermal energy storage , load following power plant , thermal power station , power station , process engineering , turbine , base load power plant , automotive engineering , environmental economics , engineering , computer science , waste management , distributed generation , electrical engineering , renewable energy , mechanical engineering , economics , ecology , physics , quantum mechanics , biology , operating system

North China power grid is mainly a thermal power system, so it is hard to meet increasing need of difference between peak and valley loads and the demand of peak-load regulation. Units peaking mode is directly related to the peaking economy, this paper set up a mode and appropriate economic assessment model for pumped storage and coal-fired power units two-shift peaking. Comprehensive consideration of pumped storage capacity and the factors influencing the load time, the evaluation method was proposed. The application indicates that the method is effective in a peaking cycle. The evaluation method can reasonably reflect the situation of the turbine peaking economy in the coal-fired power plants, and brings the benefits for pumped storage and 300MW coal-fired power units. It provides a reference for energy-saving dispatching. Pumped-storage and coal-fired power units can be used as basis for decision making of peaking shaving mode.

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