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CONSTRUCTION OF A 5KVA HYBRID POWER INVERTER

ABSTRACT

Inverters are widely used in the domestic as well as industrial environments to serve as second line of source in case of power cut from the electricity utility grids. However, due to low capacity of the battery the inverter dies out with the use of heavy load appliances. This project is designed in such a way that it overcomes this limitation by the use of solar energy. Hybrid Inverter with Solar Battery Charging System consists of an inverter powered by a 12V Battery. This inverter generates up to 230V AC with the help of driver circuitry and a heavy load transformer. This battery gets charged from two sources, first being the mains power supply itself. If the mains power supply is available, the relay switches to the connection using mains power supply to supply to the load. This power supply also charges the battery for using it as back up the next time there is power outage. The use of solar panel to charge the battery gives an additional advantage of surplus power in case the power outage of mains is prolonging. Thus this inverter can last for longer duration’s and provide uninterrupted power supply to the user.

TABLE OF CONTENTS

Title Page    –        –        –        –        –        –        –        –        –        i

Certification         –        –        –        –        –        –        –        –        –        ii

Dedication –          –        –        –        –        –        –        –        –        –        iii

Acknowledgements-       –        –        –        –        –        –        –        iv

Abstract –   –        –        –        –        –        –        –        –        –        v

Table of Contents –        –        –        –        –        –        –        –        vi-viii

CHAPTER ONE

INTRODUCTION

  1. Background of the Study-       –        –        –        –        –        1-3
    1. Problem Statement        –        –        –        –        –        –        –        3
    1. Aim of the Project          –        –        –        –        –        –        –        4
    1. Objective of the Project –        –        –        –        –        –        4
    1. Scope of the Project       –        –        –        –        –        –        4
    1. Purpose of the Project   –        –        –        –        –        –        5
    1. Significance of the Project       –        –        –        –        –        5
    1. Limitation and Problem of the Project        –        –        –        5
    1. Benefits of Hybrid Inverters    –        –        –        –        –        5-6
    1. Application of the Project       –        –        –        –        –        7
    1. Organization of the Project      –        –        –        –        –        7

CHAPTER TWO

LITERATURE REVIEW

CHAPTER THREE

RESEARCH METHODOLOGY

3.5.1  Inverter       –        –        –        –        –        –        –        –        23

3.5.2  Power Supply Unit Stage-       –        –        –        –        –        23

3.5.3  Oscillating Stage- –        –        –        –        –        –        –        24

3.5.4  Power Mosfet Stage       –        –        –        –        –        –        24

3.5.5  Transformer Stage         –        –        –        –        –        –        –        26

3.5.6  Change over Stage         –        –        –        –        –        –        –        46-31

3.5.7  Battery Stage       –        –        –        –        –        –        –        31

3.6     Deep Cycle Battery (DCB)      –        –        –        –        –        33

3.6.1  Photovoltaic Cell (PVC)          –        –        –        –        –        –        33

3.6.2  Solar Charge Controller –        –        –        –        –        –        34-35

3.7     Description of Components Used     –        –        –        –        34-48

3.8     How to Choose a Right Inverter and Battery       –        –        –        48-50

CHAPTER FOUR

          RESULT ANALYSIS

CHAPTER FIVE

CONCLUSION AND RECOMMENDATION

References

CHAPTER ONE

INTRODUCTION

1.1     Background of the Study

Electricity is the principal force that powers modern society. It lights buildings and streets, runs computers and telephones, drives trains and subways and operates all variety of motors and machines (Powering a Generation, 2014).

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