Power failure is a period of time when the electricity supply to a particular building or area is interrupted, for example because of damage to the cables or any other reason. Modern equipment requires a continuous supply of electricity. Not only industry, but also in the household. Take the case of a refrigerator. If you experience a power off situation, your food will be spoilt. Power failure alarm monitoring device that will trigger a buzzer when the mains supply cuts off. This device is helpful to inform the loss of power supply to some critical installation such as a pump in a fish tank. Once the buzzer sound, one will know that there is a loss of power supply and actions need to be taken to rectify the situation by providing alternative power supply or relocating the installation.
TABLE OF CONTENT
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
1.2 OBJECTIVE OF THE PROJECT
1.3 SIGNIFICANCE OF THE PROJECT
1.4 CONSEQUENCES OF A POWER FAILURE
1.5 APPLICATION OF THE PROJECT
1.6 SCOPE OF THE PROJECT
1.7 PROJECT WORK ORGANIZATION
CHAPTER TWO
LITERATURE REVIEW
2.1 REVIEW OF DIFFERENT TYPES OF SIGNAL DEVICES
2.2 HISTORY OF POWER FAILURE AND SYSTEM RELIABILITY
2.3 TYPES OF POWER FAILURE SIGNAL
2.4 TYPES OF POWER FAILURE
2.5 PROTECTING THE POWER SYSTEM FROM FAILURE
2.6 RESTORING POWER AFTER A WIDE-AREA OUTAGE
CHAPTER THREE
CONSTRUCTION
3.1 DESCRIPTION OF THE SYSTEM BUILDING BLOCKS
3.3 CIRCUIT DIAGRAM
3.4 OPERATION PRINCIPLE OF THE SYSTEM
3.4 CIRCUIT DESCRIPTION
3.5 COMPONENT LIST
3.6 COMPLETE CIRCUIT DIAGRAM OF THE SYSTEM
3.7 DESCRIPTION OF MAJOR COMPONENTS USED
CHAPTER FOUR
4.0 TEST AND RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING ANALYSIS
4.2 CASING AND PACKAGING
4.3 ASSEMBLING OF SECTIONS
4.4 TESTING OF SYSTEM OPERATION
4.5 INSTALLATION OF THE COMPLETED DESIGN
4.6 PROBLEM ENCOUNTERED
CHAPTER FIVE
5.1 CONCLUSION
5.2 RECOMMENDATION
5.3 REFERENCES
CHAPTERONE
1.1 INTRODUCTION
In modern society, it is impossible to imagine life without electricity. Modern equipment requires a continuous supply of electricity. Not only industry, but also in the household. Take the case of an ordinary refrigerator. If you experience a power off situation, your food will be spoilt. But much more important, what if the power failure "spoils" your business. For example, uninterrupted power supply is needed for your server, which manages your accounting programme or provides uninterrupted operation of your website.
Of course, in most critical applications, uninterruptible power supplies (UPS) are used, but this is not always the case. Also, these devices cannot provide continuous operation in the event of remote power off. Often you need to take other action according to the situation. But how do you know that the remote site has experienced a power off condition?
For us to be notified when the power off condition has occurred a power failure signal device is used. This system indicates when there is power failure through alarm indication. As soon as the system experiences power failure you will receive a signal from an alarm.
Power Outage signal notifies you by alarm when your electrical equipment suffers a power outage. If you have important equipment running and want to know if there has been a power cut while you're not around, this app can help. From Freezers to Fish Tanks and all things electrical, Power Outage Alarm can provide you with additional peace of mind.
Power failure may be caused by various factors: an overload on the power plant, a thunderstorm, cable breakage during excavations. Whatever the reason you will be notified as soon as the power failure occurred in your remote area and you can act accordingly. This system also will give a notification when the power was restored.
Power Outage Alarm works happily in the background on your Android device and will keep monitoring even when your device is asleep and the screen is off.
1.2 OBJECTIVE OF THE PROJECT
The objective of the project is to design a power supply monitoring device that will trigger a buzzer when the mains supply cuts off. Once the buzzer sound, one will know that there is a loss of power supply and actions need to be taken to rectify the situation by providing alternative power supply or relocating the installation.
1.3 SIGNIFICANCE OF THE PROJECT
A failure in the power supply to some people causes only a irritant, they may have to reset a clock, but to other people especially business, they can and do cause thousands of pounds of damage.
This damage may be in the form of lost food in a fridge or freezer, amounting to hundreds of naira of lost stock, it may be chemicals, medicines, and electronics.
A power cut may have cut the heater off in the greenhouse, a fan off in a computer room, it may have caused a computer to fail, there are hundreds of reasons that you need to know if there is or has been a power failure. This device is designed to inform you when the power has failed.
1.4 CONSEQUENCES OF A POWER FAILURE
- No lights in the house
- Loss of refrigeration – food spoils
- No heat or air conditioning
- No flushing toilets or running water
- Can’t cook on electric range or in microwave oven
1.5 APPLCATION OF POWER FAILURE ALARM
Typical uses of power failure signal include monitoring:
* fridges/freezers;
* fish tanks/aquariums;
* sump pumps;
* computer equipment;
* heating systems;
* chemical storage;
* and many other applications.
1.6 SCOPE OF THE PROJECT
This project is a power supply monitoring device that will trigger a buzzer when the mains supply cuts off. At the same time, the light emitting diode will be turned ON. This device is helpful to inform the loss of power supply to some critical installation such as a pump in a fish tank. Once the buzzer sound, one will know that there is a loss of power supply and actions need to be taken to rectify the situation by providing alternative power supply or relocating the installation.
1.7 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 work is on the introduction to this study. In this chapter, the background, significance, objective limitation and problem of this study were discussed.
Chapter two is on literature review of this study. 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.
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