• Design And Construction Of 2kva Inverter

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    • TABLE OF CONTENT
      TITLE PAGE
      CERTIFICATION
      DEDICATION
      ACKNOWLEDGMENT
      ABSTRACT
      TABLE OF CONTENT  
      CHAPTER ONE
      INTRODUCTION
      1.1    BACKGROUND OF THE STUDY
      1.2    PROBLEM OF STATEMENT
      1.3     AIM AND OBJECTIVE
      1.4     SCOPE OF THE PROJECT
      1.5    METHODOLOGY
      1.6 MOTIVATION
      1.7    LIMITATION OF THE PROJECT
      CHAPTER TWO
      LITERATURE REVIEW
      2.0 INVERTER
      2.1 HISTORY OF INVERTER
      2.2.1 GENERAL FEATURES OF THE PROTECT
      2.2.1 POWER SUPPLY UNIT
      2.2.2 CHANGENG OVER UNIT
      2.2.3 SWITCHING UNIT
      2.2.4 UNDER AND OVER VOLTAGE PROTECTION UNIT
      2.2.5 OSCILLATOR UNIT
      2.3 TYPES OF INVERTERS   
      2.4 COMPARISON WITH THE GENERATOR   
      CHAPTER THREE
      3.0     CONSTRUCTION AND METHODOLOGY
      3.1     COMPONENTS AND FUNCTION
      3.1.1 RESISTOR
      3.1.2 CAPACITOR   
      3.1.3 DIODE        
      3.1.4  TRANSISTOR          
      3.1.5 NE555 TIMER
      3.1.6    RELAY
      3.1.7 REGULATOR     
      3.1.8 BATTERY             
      3.1.9 SWITCHES AND SOCKET    
      3.1.10 METER (VOLT/AMPERE)
      3.1.11 LAMINATION
      3.1.12 FUSE  
      3.1.13 TRANSFORMER
      3.2 METHODOLOGY
      3.2.1 STAGES INVOLVED IN THE PROJECT
      3.2.2 DESCRIPTION OF VARIOUS STAGE IN THE INVERTER POWER UNIT
      3.2.3  POWER AMPLIFYING STAGE OR INVERTING STAGE
      3.2.4 MULTI-VIBRATOR         
      3.2.5 CONSTRUCTION OF THE CASING     
      3.2.6 HOUSING OF THE WHOLE COMPONENT
      3.2.7 ARRANGEMENT OF COMPONENT ON VERO BOARD
      CHAPTER FOUR
      4.0 TESTING, DESIGN AND DISCUSSION
      4.1.1 TRANSFORMATION STAGE
      4.1.2 TRANSFORMER DESIGN  
      4.1.3 FREQUENCY DIVISION COUNTER
      4.1.4 FREQUENCY UNIT    
      4.1.5 COMPONENT TESTING      
      4.1.6 TESTING OF THE INVERTER
      4.1.7 STAGE BY STAGE TESTING
      CHAPTER FIVE
      CONCLUSION AND RECOMMENDATION  
      5.1 CONCLUSION
      5.2 RECOMMENDATION
      REFERENCES

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    • ABSRACT - [ Total Page(s): 1 ]ABSTRACTThis project presents the design and construction of a DC to AC inverter system. It is designed to meet up with the power demand in the offices/homes in the absence of power supply from National Supply Authority.It is designed in such a way that it will take up to 12V DC from battery and inverts it to an output of 220V, 50Hz AC. It makes no noise during operation and not hazardous like carbon monoxide is generated to the surrounding. This is the feature makes it safe to used anywhere whe ... Continue reading---

         

      CHAPTER ONE - [ Total Page(s): 2 ]CHAPTER ONEINTRODUCTION1.2    Background of the Study An inverter is an electronics device or circuitry that changes direct current (D.C) to Alternating current [AC]. The device make used of an in–built automatic circuit to achieve a complete automation of the entire system. The input voltage, output voltage, frequency and overall power handling depend on the design of a specific device or circuitry. An inverter is very important element that cannot be neglected in this Country as it i ... Continue reading---

         

      CHAPTER TWO - [ Total Page(s): 2 ]CHAPTER TWOLITERATURE REVIEW2.0  INVERTER     An enabling technology, power electronics does it job with intelligence, precision and efficiency. It used the smartness of advanced control technology with the efficient conversion of electric power into the precise from required to control a function or process. In a industrial and commercial products, it is gaining ground mostly visible among inverters which converts direct current (DC) into a single or poly phase AC voltage at a desire aptitu ... Continue reading---

         

      CHAPTER THREE - [ Total Page(s): 9 ]There are two main categories of transistor:1.    Bipolar junction transistor (BJT): it also divided into NPN and PNP transistors.2.    Field effect transistor (FET): it has three terminal unipolar solid state device in which current is controlled by an electric field as is done in vaccum tubes (http://www.amplifieredparts.com/2017/05/27 product/transistor.tip416-npn-epitaxial-transistors).There are two types of FETs.a.    Junction field effect transistor (JFET)Metal-oxide semi- ... Continue reading---

         

      CHAPTER FOUR - [ Total Page(s): 4 ]DETERMINATION OF TRANSFOMER CAPACITY T.C=  (A^2  X 31)/(p.f)=  (6^2  X 31)/0.7=  (36 X 31)/0.7=  1116/0.7=1594.28=1600W DETERMINATION OF TRANSFORMER RATIO  = 8/A=8/6 = 1.33Therefore 8 is  a constant value DETERMINATION OF NUMBER OF CURRENT  Ip    =    Transformer capacity / primary voltage =    1600/12Ip    =    133.3amp [Corresponding coverage used = 11]Is    =    Transformer capacity / primary voltage     =    1600/220Is    =    7.27Amp [Correspondent ... Continue reading---

         

      CHAPTER FIVE - [ Total Page(s): 1 ]CHAPTER FIVECONCLUSION AND RECOMMENDATION  5.1 CONCLUSIONThe basic objective of the project that were realized include the guarantee of the supply during the absence power from service authority, the elimination of power surges and energy management induction of bill amazed from fuel cost and generator maintenance. The inverter is more environmentally friendly, easier to operate and required very little maintenance compared to a generator.Through the project is efficient and reliable, it has so ... Continue reading---

         

      REFRENCES - [ Total Page(s): 1 ]REFERENCESBEDOFORD,B.D, et al. Principle of inverter circuit New York, John Willey, (1964).  David L.A. Modern UPS Servicing, Marc Dowell publishers, London, (22nd Edition) 2001.Manahar Lofia, Modern Digital Inverter-Introduction Servicing and Troubleshooting, (23rd edition)1996.OYETUNJI TOBI,S. (2015), construction of 2KVA inverter Electrical/Electronic Engineering Project Power Option HND II Finial Year, Unpublished.Tharaja B.L et al, A Textbook of Electrical Technology, S. Chand & Company Lt ... Continue reading---