ACKNOWLEDGEMENTS Thanks to God Almighty, the source and supplier of all potential, the father of all creation for the privilege to go through my first degree without Him, nothing would have been accomplished. My sincere and profound gratitude goes to my affectionate parent, Mr. & Mrs. Iserijeri and my siblings for their moral, spiritual and... Continue Reading
DESIGN AND CONSTRUCTION OF AN AUTOMATIC CHANGE OVER SWITCH WITH GENERATOR CUT OFF AND STARTER ABSTRACT Power supply in Nigeria and most developing countries of the world is anything but stable. This has adverse effects on the consumers of the electricity and the equipments that are operated from the mains sources of electricity supply in these... Continue Reading
ABSTRACT This project is on design and construction of transformer rewinding machine with digital counter. A coil winding machine is a machine for winding coil onto a spool, bobbin and many more. This coil winding machine is one of types of winding machine that available in industries today. From multi speeded machines to medium, large and... Continue Reading
CHAPTER ONE INTRODUCTION All modern engineering system includes certain aspects of control system at some point in their broadcast scenes, control engineering and the associated theory are concerned with the means of making system to behave in a desired may. The system on this thesis is a DC ' AC... Continue Reading
Commutation failures are very frequent dynamic events in high voltage dc (HVDC) transmission systems. Commutation failure is mostly observed at the inverter side of HVDC links, where large firing angles are used. The minimum value of the extinction angle required for the proper operation of a valve is specified by the valve manufacturer; however,... Continue Reading
CHAPTER ONE INTRODUCTION The evolutionary trend in industrial electronics and automation has engulfed all parts of the world and proved more challenging to as third world like Nigeria. Regarding the milestone, it was decided to make the choice of project research on the design and implementation of an automatic 3 - phase change – over with... Continue Reading
ABSTRACT The advantage of cellular communication like GSM technology is a potential solution for such remote controlling activities. GSM-SMS technology can be used to control household appliances from remote places. Remotely, the system allows the home owner to monitor and control his house appliances via his mobile phone set by sending commands... Continue Reading
ABSTRACT 500VA power inverter system is a DC to AC conversion system of 500VA power rating and expected to carry around 400 watts load. It provides power to electronic and electrical appliances such as radio sets, TV DVD/VCD, computers, fans and lighting. The design was conceived and put down as block diagram. Corresponding circuit diagrams for... Continue Reading
INTRODUCTION A public address system is an electronics sound amplification and distribution system with a microphone, amplifier and loud speaker used to allow a person to address a large public. The public address system consists of three main parts namely, the microphone (input transducer), amplifier and the loudspeaker (output transducer). The... Continue Reading
CHAPTER ONE 1.1 INTRODUCTION The light sensitive alarm is an electronic circuit that detects a sudden shadow falling on the light sensor and sounds the bleeper. When this happens, the circuit will respond to gradual charges in brightness to avoid false alarm. The beeper sounds for only a short time to prevent the battery... Continue Reading
Abstract During the invention of security system alarms, in the early 80s technology of system shadow which involves lighten and sensing of objects was at that age found during their experiments using a special material know as light dependent resistor which its family lies in the resistance serials. The development of... Continue Reading
ABSTRACT A battery charger is an electrical device employed for charging batteries. This batteries that are usually charged by battery changer are the storage battery charger are the storage batteries also known as “accumulator” the battery changer changes. The alternating current form the power line into d.c suitable... Continue Reading
ABSTRACT This work is concerned with the features, analysis and design of a stand-alone solar energy based power supply with maximum power point tracking (MPPT) scheme. The features and operations of various types of solar cells and panels and the performance characteristics under varying temperature and irradiance conditions are studied.... Continue Reading
CHAPTER ONE 1.0 INTRODUCTION 1.1 BACKGROUND OF PROBLEM Fire detection system are safety system. They monitor rooms and buildings continuously for indication of fire outbreak and give alarm directly if one occurs. Both the British Factory Acts 1961 and the officers shops and... Continue Reading
ABSTRACT This project work is on the construction of an F.M transmitter this system consists of four discrete modules namely the audio frequency (AF) amplifier (class A) the modulator the master oscillator and the radio frequency (RF) amplifier (ClassC) these formed the conventional events for building FM transmitter here the signal (from the... Continue Reading
ABSTRACT The microcontroller smoke detector is a system designed to provide security level in areas that requires high accuracy of precaution against fire outbreak, in an industry, commercial buildings and even domestic homes. This project uses 89s52 microproecessor as it major component. This microprocessor is the... Continue Reading
ABSTRACT This project work deals on the design and construction of an automatic power changeover that will change/transfer control from MAINS to Gen set and can switch ON/OFF the Gen automatically. The system integrates phase selector in MAINS and changeover to Gen. It is designed in several blocks all combined to from one functional unit. A +5v... Continue Reading
CHAPTER ONE INTRODUCTION 1.1. Background of the Study The industrial Electronics has changed the whole field of Engineering and technology is occurring so rapidly, even in developing countries. It is so because newer technologies overcome older ones. After the industrial revolution the world shifted towards the information... Continue Reading
Contents TITLE PAGE i CERTIFICATION AND APPROVAL ii DEDICATION iii ACKNOWLEDGEMENT iv ABSTRACT v TABLE OF CONTENTS vi LIST OF FIGURES viii CHAPTER ONE 1 INTRODUCTION 1 1.1: PROBLEM STATEMENT 1 1.2: THE AIM AND OBJECTIVE OF THE CLAP ON-CLAP OFF SWICHT 2 1.3: JUSTIFICATION OF THE RESEARCH 2 1.4: LITERATURE REVIEW 2 CHAPTER TWO 5 THEORY AND PICTORIAL... Continue Reading
ABSTRACT This project which comprise of many chapters that deals extensively with designs and construction of battery charger with auto-cut off which is capable of charging a 12 volts battery. In this construction research, designs was carried out which historic research was used to break down and evaluate to a low level understating of what an... Continue Reading
ABSTRACT Most ATMs employ one means of authentication (single factor authentication) by using the PIN. These kinds of ATMs are vulnerable to ATM frauds like Card Skimming: where a device placed at the slot for the ATM Card copies all the information stored in ATM cards including the PINs and then copies of the original cards will be made,... Continue Reading
ABSTRACT` To improve the overall efficiency of the power system, the performance of transmission system must be improved. Some of the vital ways of achieving this objective is by reducing power losses in the system and also improving voltage profile. An important method of controlling bus voltage is by shunt capacitor banks in the transmission... Continue Reading
ABSTRACT This work has been aimed at efficient means of controlling the traffic effectively for twenty-four hours. As the world is growing technologically more and more vehicles jump into the public road adding to the already existing number. Consequently, more efficient way of controlling the traffics becomes more desirable as compared to the... Continue Reading
ABSTRACT This project shows the construction of a microcontroller based security door using smart card. It is aimed towards programming the microcontroller to control the hardware in sliding door. The system consists of a microcontroller 89S52 which sends a signal to the multiplexers on insertion of the smart card in the card slot. The... Continue Reading
Abstract This project work centered on construction of 12V/10A solar charge controller that is needed in photovoltaic system to safely charge regulate and discharge of sealed lead acid battery through DC load. Solar charge controller is devices that regulate solar photovoltaic power and prevent overcharging, over discharging or overflow of current... Continue Reading