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Full Project – Fabrication of 200watt 24volt of monocrystalline solar panel

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CHAPTER ONE

1.0 INTRODUCTION

1.1 BACKGROUND OF THE STUDY

Solar panels produce direct electricity with the help of electrons that are moving from negative to positive direction. Most of the appliances that we use at home work on alternative current. This AC is created by the constant back and forth of the electrons from negative to positive. In AC electricity the voltage can be adjusted according to the use of the appliance. As monocrystalline solar panel only produce Direct current the solar inverter is used to convert the DC to AC.

An inverter produces square waves or a sine wave which can be used for running lights, televisions, lights, motors etc. However these inverters also produce harmonic distortion. Expensive inverters make use of lots of steps to produce a sine wave and thus are found in residential solar inverters. Basically inverters should be a large one so that it supplies enough power to all the necessary appliances.

A monocrystalline solar panel is similar to a normal electric inverter but uses the energy of the Sun, that is, Solar energy. A monocrystalline solar panel with inverter helps in converting the direct current into alternate current with the help of solar power. Direct power is that power which runs in one direction inside the circuit and helps in supplying current when there is no electricity. Direct currents are used for small appliance like mobile e phones, MP3 players, IPod etc. where there is power stored in the form of battery. In case of alternative current it is the power that runs back and forth inside the circuit. The alternate power is generally used for house hold appliances. A monocrystalline solar panel helps devices that run on DC power to run in AC power so that the user makes use of the AC power. Solar energy is preferable to other source of energy because it makes use of the solar energy which is available in abundant from the Sun and is clean and pollution free.

monocrystalline solar panel with inverters are also called as photovoltaic solar inverters. These devices can help you save lot of money. The small-scale grid one have just two components i.e. the panels and inverter while the off grid systems are complicated and consists of batteries which allows users to use appliances during the night when there is no Sunlight available. The monocrystalline solar panel and the batteries that are placed on rooftops attract Sun rays and then convert the Sunlight into electricity. The batteries too grab the extra electricity so that it can then be used to run appliances at night.

1.2 PROBLEM STATEMENT

As a result of continuous power failure and fluctuation in power supply by Power Holding Company of Nigeria (PHCN), sensitive appliances and system are affected by interruption power supply and also the blackout also affect human generally in that it takes away our happiness. Then, this project is to provide a back-up and reliable power supply of 200W from a renewable energy source (solar panel) to power some selected home appliances such as computers, television set, lighting systems.

1.3 AIM/OBJECTIVE OF THE PROJECT

The main objective of the study is to fabricate a device that can collect an input dc voltage from the monocrystalline solar panel and convert it to 220vac output which can be use to power ac appliances. This device delivers an output power of 200w to a load.

1.4 PURPOSE OF THE PROJECT

The purpose of this work is to transform direct current (DC) generated by a PV system into alternating current (AC), which can be sent into an AC appliances. This device can be used either in concert with battery systems or to directly power certain devices.

SIGNIFICANCE OF THE PROJECT

monocrystalline solar panel has always helped in reducing global warming and green house effect.

Also use of monocrystalline solar panel helps in saving money many people have started using solar based devices

A monocrystalline solar panel helps in converting the Direct current into batteries or alternative current. This helps people who use limited amount of electricity.

Apart from solar inverters there are other devices too that make use of monocrystalline solar panel namely, solar cooker, heater.

monocrystalline solar panel are the best way and they are better than the normal electric ones. Also their maintenance does not cost much money

1.6 LIMITATION OF THE PROJECT

Initially you need to shell out a lot of money for buying a solar inverter. It will work effectively and produce direct current only when the Sunlight is strong.

The monocrystalline solar panel that are used to attract Sunlight requires lots of space

The device can work efficiently only if the presence of the Sun is strong.

monocrystalline solar panel produces 24v output.

1.7 SCOPE OF THE PROJECT

The main function of monocrystalline solar panel is to convert battery’s Direct Current (DC) into Alternative Current (AC) to feed home compliances.

Solar energy consisted of monocrystalline solar panel, charger controllers, inverters and rechargeable batteries, while solar DC power system is not included inverters. The inverter is a power conversion device, which can be divided into self-excited oscillation inverter and external excited oscillation inverter.

1.8 METHODOLOGY

To achieve the aim and objectives of this work, the following are the steps involved:

Study of the previous work on the project so as to improve it efficiency.

Draw a block diagram.

Test for continuity of components and devices,

Design and calculation for the device was carried out.

Studying of various component used in circuit.

Construction of the device was carried out.

Finally, the whole device was cased and final test was carried out.

1.9 PROJECT ORGANISATION

The work is organized as follows: chapter one discuses the introductory part of the work, chapter two presents the literature review of the study, chapter three describes the methods applied, chapter four discusses the results of the work, chapter five summarizes the research outcomes and the recommendations.

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