Analysis on second lawbased equivalent power generation efficiency for CCPH power plant

Huadian Technology ›› 2012, Vol. 34 ›› Issue (6): 25-29.

• 研究与开发 • Previous Articles Next Articles

Analysis on second lawbased equivalent power generation efficiency for CCPH power plant

WU Wenjie1, LI Kun2

1.GE (China) Research and Development Center Company Limited, Shanghai 201203, China; 2.School of Mechanical and Power Engineering, Shanghai Jiaotong University, Shanghai 200240, China

Received:1900-01-01 Revised:1900-01-01 Online:2012-06-25 Published:2012-06-25

Abstract

Abstract: The gassteam combined cycle cooling heating and power supply system (CCHP) has higher energy utilization and is used widely. However, there is not universal objective definition of the efficiency for CCHP plant at present. A concept of second lawbased equivalent power generation efficiency for CCHP plant was proposed based on the second thermodynamic law, which can be used to evaluate the system efficiency of different grade energies. Combining with examples of several power plants, the differences between several efficiency definitions were compared. The results can be used as reference for design and technical improvement of CCHP plant.

Key words: combined cycle, combined cooling heating and power supply (CCHP), second law-based equivalent power generation efficiency

WU Wenjie;LI Kun. Analysis on second lawbased equivalent power generation efficiency for CCPH power plant[J]. Huadian Technology, 2012, 34(6): 25-29.

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Analysis on second lawbased equivalent power generation efficiency for CCPH power plant

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