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» ABSTRACT T junction traffic lights controller is one such device that will play an important role in traffic control at intersections to facilitate peak expected increase in these junctions and minimize disorder that can occur, as well as allow pedestrians the right of way at intervals rather than being hit when crossing the roads. Such electrical system with an electronic key that control the flo...Continue Reading »
50 pages | -1 engagements |
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» CHAPTER ONE INTRODUCTION A transformer is a magnetically coupled coil used in transmission of an electric power. This coil may be electrically link, but not electrically linked as in two winding transformer. It consists of primary winding and secondary winding which the number of turns varies depending on the type of transformer. Transformers are operated by the principle of mutual inductance betw...Continue Reading »
50 pages | 416 engagements |
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» CHAPTER ONE INTRODUCTION 1.1 Background of the study Electricity power system is one of the economic infrastructural facilities that are indispensable to a nation’s economic development. The efficiency of the supply of electricity will not only influence returns on investment on existing enterprises, it also plays a major role in the creation of an economic environment which influences decis...Continue Reading »
50 pages | 427 engagements |
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» CHAPTER ONE 1.0 INTRODUCTION Direct current sources are not as easily generated as its alternating current counterpart, the truth is that its importance can not be over looked in our society. A power supply is a device that supplies electrical energy to one or more electric loads....Continue Reading »
50 pages | 590 engagements |
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» CHAPTER ONE INTRODUCTION 1.1 BACKGROUND Temperature has been discovered to be the second most measured physical quantity, time been the First. This shows the need to measure temperature is very necessary, the measurement thus has to be efficient and convenient. Years back, crude methods were used in measurement of temperature of objects, colours and hotness of materials were used in temperature me...Continue Reading »
50 pages | 505 engagements |
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» CHAPTER ONE INTRODUCTION 1.1 PREAMBLES Wireless speakers are very similar to traditional loudspeakers that are wired, but they transmit audio signals using radio frequency (RF) waves rather than over audio cables. As things stands today, the term ‘wireless’ in the audio and video world does not mean ‘wireless’ – rather all it means is less wires. And this applies to a...Continue Reading »
50 pages | 584 engagements |
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» CHAPTER ONE: INTRODUCTION 1.1 Background of the study Electricity supply is one the economic infrastructural facilities that are indispensable to a nation’s economic development. The efficiency of the supply of electricity will not only influence returns on investment on existing enterprises, it also plays a major role in the creation of an economic environment which influences decisions on ...Continue Reading »
50 pages | 360 engagements |
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» CHAPTER ONE INTRODUCTION The quest to satisfy our need for stable power supply in Nigeria has driven most Nigerians into an ardent search for alternative renewable power sources. One of such major renewable power source in use is solar energy, which is energy obtained from the radiation of the sun. To obtain electrical power from the sun, four key components are required to effectively and efficie...Continue Reading »
50 pages | 699 engagements |
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» Background of the study A charge controller is an essential part of any alternative energy system. In its simplest form, a charge controller’s job is to make sure the power (such as a solar panel) ‘plays nice’ with the load (such as a battery). The simplest implementation of this is a single diode placed in between a solar panel and battery. This ensures that the battery does not...Continue Reading »
50 pages | 330 engagements |
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» CHAPTER ONE INTRODUCTION OBJECTIVE OF PROJECT The need for a remote control alert system that can control domestic appliances and various lighting points and sockets has often been a concern for users. At times users find it inconvenient and time consuming to go around turning their appliances on or off each time there is power outage or each time they are leaving the house for work. It has also o...Continue Reading »
50 pages | 499 engagements |
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» CHAPTER 1 INTRODUCTION 1.1 BACKGROUND Electric power system is basically set up to supply electricity with little or no interruptions to its customers. The number of interruptions that occur while the system performs its intended function is part of what determines the overall reliability of the system. The other factor that determines its reliability is the quality of electricity delivered. Furth...Continue Reading »
50 pages | 355 engagements |
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» CHAPTER ONE INTRODUCTION 1.0 BACKGROUND OF THE SEMINAR Initially, 3 phase voltage selector system invented manually with operating process of time wasted and inconvenience. The interest of automatic 3 phase voltage selector system is on the fact that technology advancement has made it possible to minimize cost, hard labor and time wasted, and also improves the reliability of our electrical and ele...Continue Reading »
50 pages | 397 engagements |
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» CHAPTER ONE 1.0 INTRODUCTION PREAMBLE Technological development in the third world nation like Nigeria should incorporate finding solutions to seemly small problems like while trying to plan for the big ones. This statement is necessary given that Nigeria having been able to launch NigeriaSat I and about to launch another code named NigeriaSat 2, would be said to be progressive in their approach t...Continue Reading »
50 pages | 354 engagements |
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» CHAPTER ONE INTRODUCTION 1.1 BACKGROUND OF PROBLEM Fire detection system is 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 railway premises Acts 1963 stiputed minimum requirements in the case of fire that there shall be clear and audible warning through...Continue Reading »
50 pages | 326 engagements |
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50 pages | 401 engagements |
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50 pages | 310 engagements |
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» CHAPTER ONE INTRODUCTION Industrial automation and control has contributed immensely to the high rate of the world’s technological growth. Power control and automation is a part of this field which is applied in virtually anywhere electrical power is used, generated or transmitted. Manual power change over switches have been in existence and in different forms and shapes. 1959, the advent of...Continue Reading »
50 pages | 282 engagements |
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» CHAPTER ONE 1.0 INTRODUCTION Testing plays a very important role for assuring the quality of developed software. In a modern vehicle, more and more of the functionality is controlled by software and the complexity of the software always increases. The expectations on automating the testing process are to save time and to reach an even higher quality. In this thesis, which was performed at ZF Fried...Continue Reading »
50 pages | 326 engagements |
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» CHAPTER ONE 1.0 INTRODUCTION 1.1 In circuit time, much of the indoor work done by human depended up day light of sun being available, which was created by God as the first thing. Today almost all building have electric lighting installed and all indoor and out of door work can be done at any time of the day or night. Good lightering provides safety, efficient work and comfortable surrounding light...Continue Reading »
50 pages | 340 engagements |
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» CHAPTER ONE 1.1 INTRODUCTION Many centuries back people found it difficult to be heard over a few metres away from them while addressing their audience. This motivated the need for man to pursue new technologies which will increase his reliability and efficiency. Man in search of the audio boosting instrument developed an aspect of communication called “Public Address System (PAS)”, wh...Continue Reading »
50 pages | -1 engagements |