Abstract
A hybrid power plant consisting of a micro gas turbine (MGT) and a solid oxide fuel cell (SOFC) is a promising technology to reach the demands for future power plants. DLR aims to set up a MGT/SOFC hybrid power plant demonstrator based on a 3 kWel MTT EnerTwin micro gas turbine and an SOFC module with an electrical power output of 30 kWel from Sunfire. For the detailed investigation of the subsystems under hybrid conditions two separate test rigs are set up, one in which the MGT is connected to an emulator of the SOFC and vice versa. The paper introduces the set-up and the functionalities of the MGT based test rig. The special features are highlighted and the possibilities of the cyber physical system for emulation of a hybrid system are explained.
Highlights
A hybrid power plant consisting of a micro gas turbine (MGT) and a solid oxide fuel cell (SOFC) is a promising technology to reach the demands on efficiency, emissions and flexibility for future power plants
For the development of a real coupled 30 kWel MGT/SOFC hybrid power plant, the DLR Institute of Combustion Technology and the DLR Institute of Engineering Thermodynamics are collaborating in a long term project [2]
The presented test rig offers the possibility to analyse the influence of the hybrid configuration on the micro gas turbine as well as the reaction of the MGT under hybrid conditions
Summary
A hybrid power plant consisting of a micro gas turbine (MGT) and a solid oxide fuel cell (SOFC) is a promising technology to reach the demands on efficiency, emissions and flexibility for future power plants. The highest efficiencies are reached with a cycle concept where the SOFC is integrated in the MGT cycle. For the development of a real coupled 30 kWel MGT/SOFC hybrid power plant, the DLR Institute of Combustion Technology and the DLR Institute of Engineering Thermodynamics are collaborating in a long term project [2]. Two separate test rigs are set up for the detailed investigation of the behaviour of the subsystems under hybrid conditions and for the development of the control system. Beside DLR [2, 3], the Thermochemical Power Group (TPG) from the University of Genoa [4] and the NETL in Morgantown (US) [5] operate cyber physical test rigs [6]
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