CONSTRUCTION OF A THREE WAY BOREHOLE CONTROL SWITCH USING A CONTACTOR
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BY
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--/H2013/01430
DEPARTMENT OF ----
SCHOOL OF ---
INSTITUTE OF ---
APPROVAL PAGE
This is to certify that the research work,"construction of a three way borehole control switch using a contactor"by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
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Supervisor Head of Department.
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DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
My appreciation goes to some of my lecturers among whom are Mr. ---, and Dr. ---. I also recognize the support of some of the staff of --- among whom are: The General Manager, Deputy General manager, the internal Auditor Mr. --- and the ---. Finally, my appreciation goes to my elder sister ---, my lovely friends mercy ---, ---, --- and many others who were quite helpful.
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This work is building a three way borehole control switch using contactor, which involves controlling a borehole from a three different location using switches.
This system was built around a multiple 2-way switch, power contactors and auxiliary contacts in the Motor. In this control system when switching to start the pump motor should get power supply to motor from different house or different location.
At the end of this work, the aim of this work was achieved using the above mentioned electrical parts.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRCT
TABLE OF CONTENT
CHAPTER ONE
- INTRODUCTION
- BACKGROUND OF THE PROJECT
- STATEMENT OF THE PPROBLEM
- AIM/OBJECTIVE OF THE PROJECT
- SCOPE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- APPLICATIONS OF THE PROJECT
- METHODOLOGY
- PROJECT ORGANISATION
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 WATER PUMP CONTROL
2.2 CONTROL SYSTEMS FOR WATER PUMPS
2.3 DESCRIPTION OF A CONTACTOR
2.4 DIFFERENCE BETWEEN A CONTACTOR AND A RELAY
2.5 GENERAL APPLICATIONS OF CONTACTOR
CHAPTER THREE
3.0 METHODOLOGY
3.1 BASIC OPERATION OF A CONTACTOR
3.2 SYSTEM WIRING/CIRCUIT DIAGRAM
3.3 PARTS USED
3.4 CONTACTOR WIRING PINOUT
3.5 OPERATING PRINCIPLE
3.6 HOW TO WIRE A CONTACTOR
CHAPTER FOUR
4.0 RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING
4.2 ASSEMBLING OF SECTIONS
4.3 CONSRUCTION OF THE CASING
4.4 ECONOMIC OF THE PROJECT
4.5 PROJECT VIABILITY
4.6 PROJECT RELIABILITY
4.7 PROJECT MAINTAINABILITY
4.8 PROJECT EVALUATION
CHAPTER FIVE
- CONCLUSIONS
- RECOMMENDATION
5.3 REFERENCES
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
Water pumps are an essential component of many systems that rely on the movement of fluids (mostly water), from residential water supply, irrigation systems, HVAC systems to industrial processes and power plants. Properly controlling water pumps is essential to ensure that they operate efficiently, reliably, and sustainably (Oduohuk, 2014).
controlling of water pump from three different places involve making use of different switch at different location thereby controlling the ON and OFF of the water pump from different locations.
An electric switch is an electrical component that breaks or closes an electric circuit. Opening the switch (breaking the circuit) means turning off the electrical device and closing the switch (completing the circuit) allows an electrical current to flow so that the device is on.
Two way switches are used in controlling the ON and OFF of a water pump from a three different location. The pump's switches supplies power supply to the pump, which in turn determines the pump’s power supply
Pump switches are invaluable tools for optimizing the performance and efficiency of water management systems in various applications.
As above mentioned, and then have to been use multiple 2-way switch, power contactors and auxiliary contacts in the Motor. In this control system when switching to start the pump motor should get power supply to motor from different house or different location. This work deals with construction of a three way borehole control switch using a contactor.
1.2 STATEMENT OF THE PROBLEM
Controlling the ON and OFF of a water pump from a different location is always difficult and hectic, for instance when a water pumps supplies water to different flat and the need for a particular flat to have water arises when the water pump switch is fixed in another flat maybe at the middle of the night. Coming down to switch on the water pump from the other flat at that point in time may be difficult. Having a water pump with three way switches came to solve this problem by providing three control switch for a particular water pump.
1.3 AIM AND OBJECTIVES OF THE STUDY
The aim of this work is to construct a three way borehole control switch using a contactor and two-way switches.
The objectives of the study are:
- To construct the system prototype
- To control the ON and OFF of a water pump from a different location
- To provide a means of having an efficient, reliable, and sustainable water supply
1.4 SCOPE OF THE STUDY
This Pump control system allows each customer to turn on the switch when they need water and turn it off when they have fill water in the tank from a different location. The scope of this work covers using 2-way switches and contactor as the major device to build a three way borehole control system.
1.5 SIGNIFICANCE OF THE STUDY
This work will provide a means of having reliable, simple and easy pump control system in the electrical control wiring.
This study will serve as means of ensuring efficient, reliable, and sustainable water supply.
As a student of this department, this study will expose me to have the knowledge of contactor wiring.
1.6 APPLICATIONS OF THE PROJECT
This three way control switch can be used in places where borehole is used to supply water to different places such as in:
- Home
- Offices
- Industries
- Hospitals
1.7 METHODOLOGY
To achieve the aim and objectives of this work, the following are the steps involved:
- Study of the previous work on the project so as to improve it efficiency.
- Draw a block diagram.
- Test for continuity of components and devices,
- Design and calculation for the device was carried out.
- Studying of various component used in circuit.
- Construction of the circuit was carried out.
- Finally, the whole device was cased and final test was carried out.
1.8 PROJECT WORK ORGANISATION
The various stages involved in the development of this project have been properly put into five chapters to enhance comprehensive and concise reading. In this project thesis, the project is organized sequentially as follows:
Chapter one of this works is on the introduction to changeover switch. In this chapter, the background, significance, objective limitation and problem of changeover switch were discussed.
Chapter two is on literature review of changeover switch. In this chapter, all the literature pertaining to this work was reviewed.
Chapter three is on design methodology. In this chapter all the method involved during the design and construction were discussed.
Chapter four is on testing analysis. All testing that result accurate functionality was analyzed.
Chapter five is on conclusion, recommendation and references.
CHAPTER FIVE
5.1 CONCLUSION
The three way borehole control switch unlike most of its counter parts, has the ability to control the ON and OFF of water pump from a different location
Also the contactor is assembled makes it rating at contactor from 220v supply to 415v (3q) supply hence it can carry any ratio from 1A to 100A or even above. Hence it can handles up to 50KVA and even above.
The circuitry is simple and reliable and the same time to repair the troubleshooting and maintain the extra cost was eliminated by redesigning the circuit which does not in any way alter the efficiency of the system.
With the interest of the growing mass in mind, we look forward to coming up with other designs to provide alleviation and conveniences in the human society.
An automatic power changeover switch has been designed and constructed. The prototype of the automatic power changeover switch worked according to the specification and quite satisfactorily. The device is quite cheap, reliable and easy to operate. Whenever there is power outage, it reduces stress for manpower changeover.
5.2 RECOMMENDATION
This project is designed to be used in homes and industries and wherever the need for an indication of power failure is needed. And should be used and maintain by a qualified personnel.
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of"construction of a three way borehole control switch using a contactor"is also available. Order full work to download. Chapter two of"construction of a three way borehole control switch using a contactor"consists of the literature review. In this chapter all the related work on"construction of a three way borehole control switch using a contactor"was reviewed.
CHAPTER THREE: The complete chapter three of"construction of a three way borehole control switch using a contactor"is available. Order full work to download. Chapter three of"construction of a three way borehole control switch using a contactor"consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of"construction of a three way borehole control switch using a contactor"is available. Order full work to download. Chapter four of"construction of a three way borehole control switch using a contactor" consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of"construction of a three way borehole control switch using a contactor"is available. Order full work to download. Chapter five of"construction of a three way borehole control switch using a contactor" consist of conclusion, recommendation and references.
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