POWER SYSTEM DESIGN, SIMULATION AND ANALYSIS

Power system studies are performed for a variety of reasons. One of them is to ascertain
whether the designed power system is fit for operation. For this purpose, many calculations
need to be done by the electrical engineer. In most cases, the manual methods of calculation
used in these studies are tedious and time consuming. To overcome this problem, a software
solution should be used. The software should be able to perform the various calculations and
studies besides providing a means to simulate the designed power system using a minimal
amount of time.
This project has two main objectives. The first objective is to study a model of an electrical
power system in general. The power system is first designed using various guidelines from
literature, Tenaga Nasional Berhad (TNB) and examples of existing power systems. To study
this network, load flow and fault studies are performed using the ERACS software.
The second objective of the project is to identify the major components of a power system and
develop a software simulation program. Here, the MATLAB software is used. The major
components identified are the synchronous generator, transformer and transmission line. It is
possible to model them using the mathematical equations governing their behavior. The
models of each component are combined to form the simulation program in MATLAB.
The ERACS and MATLAB programs are then used to simulate several case studies. The
results obtained are compared and discussed. During the course of the project, a full
understanding of power systems and the main equipment associated with them shall be
obtained.
The methodology to be used in this project is outlined as follows:
i) Conceptual design
ii) Gathering of necessary data and manual calculations
iii) Simulating and testing of the system