Dymola power plant simulation and modelling
Dymola has been used to model a wide variety of power plants including combined cycle power plants, nuclear power plants and heat recovery steam generators. Using the Dymola 1D thermofluid libraries the complete power plant can be modelled including the steam network, combustion processes, electricity generation and distribution network with all the associated control systems.
CombiPlant Library
The CombiPlant library builds on the Modelica Fluid and Modelica Media 1d thermofluid libraries to provide all the components necessary to simulate the performance of combined cycle power plants and heat recovery steam generators. Models created using the CombiPlant library can be used to predict the steady state performance and investigate dynamic control tasks. The Modelica modelling language and the openness of the CombiPlant library make it straightforward to realize non-standard models based on the library.
The diagram below shows an overview of the top -level model of the Sargas plant. The Sargas power plant is considered as a concept to provide power for a liquefied natural gas (LNG) plant in Hammerfest, northern Norway. The power plant is included in a feasibility and verification study conducted by the Norwegian company Sargas. The power plant is a combined cycle system consisting of a gas turbine with an external pressurized combustion chamber in combination with a traditional steam cycle. The conventional parts of the plant are modified from existing pressurized fluidized bed power systems. The cleaning of the flue gas and storage of the CO2 takes place at high pressure after the combustion chamber. This minimises the volume of flue gas to be purified relative to the amount of power produced, providing near full CO2 capture (up to 95 %) and substantial reduction of NOx.
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EuroSysLib Project
EuroSysLib is an ITEA2 project (ITEA2 06020) that started in October 2007 and extends to June 2010.
The intent of the project is to dramatically reinforce European leadership in the field of Embedded System Modeling and Simulation through the development of Modelica (the free standard language for Modeling and Simulation) and its accompanying libraries. A suite of libraries for thermo fluid systems is being developed to support the whole thermodynamic cycle, including dynamic and static calculations and direct / inverse problem solving. In particular modeling of hydraulic and energy systems, as well as of power plants is considerably enhanced.
The partners working on the development of the thermofluid libraries within EuroSysLib include ABB, EDF and Siemens. See the EuroSysLib website for more information.
