Research on Performance Characteristics of a SOFC/GT Hybrid System under Part-Load Operations with Two Control Modes

Author

Wang Wei ; Li He

Author_Institution

Sch. of Energy & Power Eng., Dalian Univ. of Technol., Dalian, China

fYear

2011

fDate

25-28 March 2011

Firstpage

1

Lastpage

4

Abstract

A SOFC/GT hybrid system is difficult to operate on design conditions all the time. Adjustment methods of output power from a gas turbine (GT) and a solid oxide fuel cell (SOFC) are necessary and very important which influence the performance characteristics of an SOFC/GT hybrid system. In this paper, performance analyses of the hybrid system with two different control modes are conducted based on part-load performance theory of a compressor and a turbine. The results show that VIGV+FC mode provides better performance characteristics than AB+FC control mode.

Keywords

blades; compressors; gas turbines; hybrid power systems; power generation control; solid oxide fuel cells; valves; AB+FC control mode; SOFC-GT hybrid system; VIGV+FC mode; air-bypass valve with fuel control mode; compressor; gas turbine; part-load operation; part-load performance theory; solid oxide fuel cell; turbine; variable inlet guide vane with fuel control mode; Blades; Fuel cells; Fuels; Hybrid power systems; Solids; Temperature; Turbines;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Engineering Conference (APPEEC), 2011 Asia-Pacific

Conference_Location

Wuhan

ISSN

2157-4839

Print_ISBN

978-1-4244-6253-7

Type

conf

DOI

10.1109/APPEEC.2011.5748954

Filename

5748954