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SOLVING HYDROTHERMAL COORDINATION USING OPTIMIZATION TOOLBOX APPROACH

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SOLVING HYDROTHERMAL COORDINATION USING OPTIMIZATION TOOLBOX APPROACH

Thesis presented in partial fulfillment for the award of the Bachelor of Engineering (Hons) Electrical

Of

UNIVERSITI TEKNOLOGI MARA

MOHD RAZALI BIN SELAMAT

FACULTY OF ELECTRICAL ENGINEERING 40450 SHAH ALAM, SELANGOR DARUL EHSAN MALAYSIA

MAY 2009

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ACKNOWLEDGEMENT

All the praise to ALLAH S.W.T. The most Gracious and Merciful who has given me the strength, ability and patience to complete this project.

I would like to express my deepest gratitude, appreciation and thanks to my supervisor, Assoc. Prof. Bibi Norasiqin Bt Sheikh Rahimullah for her guidance, advices, supervision, encouragement and faith to me in accomplishing this project. I would also like to thank to En.Ahmad Ikhsan for teaching me in programming.

Special thanks go to all my colleagues, for the valuable help and motivation given to me in completing this project. Last but not lease, special thanks to my beloved family, especially my mother and my father who are dearest person in my life and greatest source of inspiration for the endless love and encouragement they have given and for being so understanding.

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ABSTRACT

This paper presents an approach to solve a hydrothermal coordination problem in power system using Matlab Optimization Toolbox. The objective of this paper is to determine hydro and thermal generation coordination in order to satisfy hydro, thermal and electrical constraints while optimizing a criterion of performance. The power balance constraints, total water discharge constraints, reservoir volume constraints and constraints on operating limits of the equivalent thermal and hydro units are taken into account. The Matlab Optimization Toolbox was utilized to determine the coordination of hydro and thermal units as well as their output for one day such that the total generation cost will be minimized. The proposed method was performed on a system consisting of a thermal unit and hydro unit and the results show that the total daily operating cost is effectively minimized.

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TABLE OF CONTENTS

CONTENTS PAGE

Title Declaration

Acknowledgement Abstract

Table Of Contents List Of Figures List The Tables List Of Abbreviations Introduction

1.1 Introduction 1.2 Scope Of Work

1.3 Organization Of The Thesis Literature Review

2.1 Introduction

2.2 Long Term Hydrothermal Coordination 2.3 Medium Term Hydrothermal Coordination 2.4 Short Term Hydrothermal Coordination 2.5 Hydroelectric Plant Model

2.6 Cost Of Water

2.7 Characteristics Of Steam Units Methodology

3.1 Introduction

3.2 Short Term Hydrothermal Coordination Problem 3.3 Matlab Optimization Toolbox

3.3.1 Minimizers

3.3.2 Multiobj ective Minimizers 3.3.3 Equation Solvers

3.3.4 Least-Squares (Curve-Fitting) Solvers

i ii in iv vi vii viii

1 2 3

5 7 8 8 9 12 13

20 20 27 27 28 29 29

IV

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3.3.5 Large-Scale

3.3.6 Optimization Parameter Setting 3.4 Writing Constraints

3.4.1 Bound Constraints

3.4.2 Linear Inequality Constraints 3.4.3 Nonlinear Constraints

3.5 Matlab Optimization Toolbox Technique Solving Hydrothermal Coordination

4. Results And Discussion

5. Conclusion And Future Development 5.1 Conclusion

5.2 Future Development 6. References

v

Referensi

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