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Design and Construction of 650wts Power Inverter

Design and Construction of 650wts Power Inverter

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DEDICATION

This research material, titled “Design and Construction of 650wts Power Inverter” is dedicated to God for His boundless grace and guidance. It is also a tribute to all computer enthusiasts whose contributions made my research journey smoother and enriched my documentation process, making the experience truly fulfilling.



ACKNOWLEDGEMENT

I am profoundly grateful to everyone who contributed to the successful completion of this project. I am especially grateful to my Supervisor (Name), the Head of Department (Name), and the Lecturers in the Department of Electrical / Electronics Engineering (EE) for their invaluable guidance and support. I also acknowledge the contributions of authors and scholars whose works on Design and Construction of 650wts Power Inverter provided essential insights. Special thanks go to my study area (and any funding organizations, if applicable) for their financial assistance. I am equally thankful to stakeholders, including mentors, teachers, and colleagues, for their encouragement and support. Finally, I deeply appreciate my family and friends for their patience and unwavering support throughout this journey. Your contributions have been instrumental in making this research a reality.



Design and Construction of 650wts Power Inverter

CHAPTER ONE

1.0 Introduction

The design and construction of a 650VA inverter one of the numerous breakthroughs in modern technology. As a result of the incessant power outage we experience in the nation, it's is enough to inform us that every office should have a back up power source to prevent loss of data in times of power outage form the national grid.

The project design is to ensure that there is uninterrupted power supply to our computer system in case of power outage.

1.1 Inverter

The UPS constitutes the following section or units, the astable multi-vibrator(oscillator) which gives 5OHZ/6OHZ output, the driver/amplifier stage, the mosfet switch, the booster or step up transformer, the automatic change over, the charger.

DIAGRAMS DISPLAYED IN THE COMPLETE MATERIAL

FIG 1.1.2: The Block Diagram Of The Inverter (available in the complete material)

1.2 Aim And Objectives of Study

The aim of the study is to design and construct 650wts Power Inverter. In achieving this aim, the following specific objectives were laid out as follows:

  1. To ensure there is uninterruptible power supply to the computer system.
  2. To prevent loss of data in case of power outage.

1.3 Significance Of The Study

The following facts are the significance of the study which are stated below:

  1. It will prevent huge economic loss caused by data loss.
  2. It will prevent waste of useful man hour needed for recreation of lost data.

1.4 Scope And Limitation of the Study

The scope of this project is to show the method of design, the materials used to make a 650 watts inverter.

The limitation encountered in this project was the unavailability of some components used for the design.

1.5 Definition Of Terms

Power Unit:

The power unit consists of a l2VoJts D.C battery suitable for driving the inverter circuit. The battery source is recharged when it gets discharged because of prolonged use.

Astable Mult-Vibrator:

The astable multivibrator is made up two similar transistors, each providing its own feedback to the other. This is where the pulse needed to drive the mosfet is generated.

Driver / Amplifier:

The driver unit is used to amplify the signal or pulse from the astable multi-vibrator for it to be able to trigger the MOSFET.

The Mosfet Switch:

The mosfet is used to pass negative supply of the battery to the booster transformer

Step-Up Transformer:

The setup transformer is used to step up the 12v supply to the desired voltage.

…

CHAPTER TWO

2.0 Literature Review

2.1 Introduction

This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the conceputal review, theoretical framework, the review of related literature …

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Defense Procedure for Electrical / Electronics Engineering Researchers

In preparation for defending a project or seminar on Design and Construction of 650wts Power Inverter, it is imperative that as a nursing student, you demonstrate comprehensive knowledge of your research. The defense process is structured to include presenting your work, answering questions, and illustrating its pertinence. Initially, provide a succinct yet thorough introduction to your research topic, emphasizing its importance and the objectives, ensuring that both the audience and the External Examiner can understand the scope of your study.

Prior to your defense, be thoroughly acquainted with your research abstract and the critical elements of Chapter One, including motivation for embarking on this research, problem statement, objectives, and significance. In Chapter Two, be ready to cite at least two references from the literature review. For Chapter Three, you should be equipped to discuss the methodologies, tools, and techniques utilized. In Chapter Four, defend your research by justifying the findings and linking them to your research objectives.

Conclude your defense by succinctly summarizing the study and offering insightful, evidence-based recommendations. A professional dress code, such as wearing a suit and tie, is vital to create a favorable impression and elevate your presentation.

During the question and answer segment, the External Examiner may pose questions pertaining to your research. If confronted with a challenging or irrelevant question, respond diplomatically with, “Sorry, Sir/Madam, the question asked is beyond the scope of my study.” Whenever possible, direct your answers back to your research findings to reinforce your expertise.

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