Dr. Hedaya Mahmood Alasooly

The book consists of three parts concerning simulation of some power system, control system and power electronics case studies using Matlab and Powerworld simulator programs

• Part A: Simulation of Some Power Electronics Case Studies in Matlab Simpowersystem Blockset

• Part B: Control of DC Motor Using Different Control Strategies in Matlab

• Part C: Investigation of the Usefulness of the PowerWorld Simulator Program Developed by "Glover, Overbye & Sarma" in the Solution of Power System Problems

I. Part A: Simulation of Some Power Electronics Case Studies in Matlab Simpowersystem Blockset:

This part covers some case studies that provide detailed, realistic examples of how to use SimPowerSystems in modeling power system dynamics in various types of applications that use power electronics converters. The following case studies are simulated on the paper:

1- Thyristor-Based Static Var Compensator.

2. Transient Stability of a Power System with SVC and PSS.

3. GTO-Based STATCOM.

4. Control of load flow using UPFC.

5- Control of AC motor.

6- Control of DC motor.

7- VSC-Based HVDC Link.

II. Part B: Control of DC Motor Using Different Control Strategies in Matlab:

A simple model of a DC motor driving an inertial load has the angular speed of the load, as the output and applied voltage, as the input. The system was used as an example in [1]. The ultimate goal of this paper is to control the angular rate by varying the applied voltage using different control strategies for comparison purpose. The comparison is made between the proportional controller, integral controller, proportional and integral controller, phase lag compensator, derivative controller, lead integral compensator, lead lag compensator, PID controller and the linear-quadratic tracker design based on the optimal control theory.

III. Part C: Investigation of the Usefulness of the PowerWorld Simulator Program Developed by "Glover, Overbye & Sarma" in the Solution of Power System Problems:

The objective of this part is to investigate the usefulness of the power system simulator PowerWorld program developed by "Glover, Overbye &Sarma". The results obtained from the power simulator program were presented for different case studies. The power system network used in this study consists of 6 buses. Area 1 includes bus 1-5 while Bus 6 will be part of Area 1 in some case studies, or will form separate area 2 in other case studies for comparison purpose. Note that the Available Transfer Capability (ATC) analysis add-on which determines the maximum MW transfer possible between two parts of a power system without violating any limits, and the voltage adequacy and stability tool (VAST) add-on that can solve multiple power flow solutions in order to generate a PV curve for a particular transfer or a QV curve at a given bus, was not studied here because we don't have yet VAST add-on and the ATC add-on packages.

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