Automatic Three phase changer

Abstract Automatic Three Phase Changer is considered one the most important element in the power distribution system as it works to reduce the problem during faulty condition time and also protecting high voltage to the consumption voltage. To achieve maximum efficiency of this phase faulty the stability of power consumption on the distribution center has a main role. This thesis aims to design, simulate and develop automated three phase changer by running different place. The system works automatically changes the phase as the name suggests. In three phase power system 3 inputs of phase changer circuit are connected to three phases of the system and its three outputs are connected to three different loads. Every time three phase line loads need their normal rated voltage for proper operation to normal condition. Whenever the supply of one or two phases of three phase electrical line goes of the automatic phase changer system automatically distributes the electrical supply from the active to the failed phase. This ensures continuous power supply through the three phases even if one phase is active. To many electricians it is difficult to load this kind of problem. This system is designed in proteus program using different types of materials which need to simulate. The result must be observed that if voltage of any phase goes below and above the nominal rating the loads may malfunction.  

Simulation Result to the System.. 36

Appendix II36

Simulation Result to the System.. 35

Appendix I35

Appendix. 35

Reference. 34

Recommendation. 33

Conclusion. 32

CONCLUSION AND RECOMMENDATION.. 32

CHAPTER FIVE. 32

4.7 Results of Simulation. 31

4.6 Working Principal of three phase changer30

4.5 System description on the simulation. 29

4.4 Simulation of three phase changer29

4.3. Whole design part on protues. 28

4.2 Design and Simulation of the Automatic three phase changer circuit in my real application. 20

4.1 System Design and Simulation. 20

RESULT AND DISCUSSION.. 20

CHAPTER FOUR.. 20

3.6 Component Specification and Cost Estimation. 19

3.5 Components to design. 12

3.4 Work flow Diagram.. 11

3.3 Connection Process. 10

3.2 Block Diagram to the system.. 9

3.1 System Designed Methodology. 8

Methodology. 8

CHAPTER THREE. 8

2.1 Related Work. 5

LITERATURE REVIEW... 5

CHAPTER TWO.. 5

1.7 Significance of the project4

1.6 Limitation of project3

1.5 Scope. 3

1.4.2 Specific Objective. 3

1.4.1 General objective. 3

1.4 Objective. 3

1.3 Statement of the problem.. 3

1.2 Background of Project2

1.1 Introduction. 1

INTRODUCTION.. 1

CHAPTER ONE. 1

Table ContentVI

Figure of ContentVI

Acronomy. III

AbstractII

AcknowledgementI

Declaration. I

Table Contents