Simulation of Modern Steam Power Plant
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Date
2005-06
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Addis Ababa University
Abstract
The thesis describes a steam power plant simulator which has been
developed using the MATLAB code. The simulation is important to study
the behavior of the steam power plant system by means of a model, and
the results obtained allow us to consider many different design
possibilities as well as varieties operating conditions.
Therefore, different designs may be evaluated so that an acceptable design
can be chosen and safe levels may be established for the operating
conditions. These results are also used for optimization of the plant.
The basic considerations in the development of a mathematical model are
first presented in the thesis, followed by a discussion of simulation of a
steam power plant. Conservation equations and characteristic curves are
used to model the component of the steam power plant. From these
mathematical model equations, the component modules are developed
using MATLAB code. Output parameters are obtained from input data to
the component modules.
The STEAM_POWER_PLANT_SIMULATION program is used to simulate the
power plant system. In the program there are two main solvers. These are:
the turbine-heater solver and boiler solver. The turbine-heater solver
consists of the turbine and feed water heaters including the pumps and
the condenser. The boiler solver has its own residue generator function
and Jacobean generator function and then Newton-Raphson technique is
used to solve a set of nonlinear algebraic equations.
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Thermal Engineering Stream