The system consists of a step down transformer, an AC to DC converter and a DC voltage regulator. Some of the components we used for this project were very difficult to find. The circuit operation is based on matching the solar panel terminal load voltage to the input terminal of the charging circuit and the appropriate number of battery cell units to be charged to the output circuit through the use of a current limited voltage regulator, allowing fast charging while limiting heat build-up and gassing and a rotary switch for easy selection of the appropriate voltage depending on the solar light intensity. [11] Implemented a so lar panel of 12 volts with an LM 317T IC as a voltage re . They often ignore how much energy is consumed in the process of converting ac electricity from the utility grid into dc electricity stored in the battery. One of our main incentives in developing this project is for a low-cost charger (affordable) to integrate or combine with other device. In wet case, a constant potential charging method is adopted in this project work, this is a phenomenon whereby the direct current voltage rectification to charge the battery, the direct current from the rectifier is passed through the battery that is being charged in a reverse direction in which the battery supplies current to the external cell. Construction Of 12volt Automatic Battery Charger With Charging Progress 3.8 Filtering This study was carried out to solve problems such as not knowing when a battery is fully charged. Download free project topics and research materials from A1Project Hub. Furthermore, we received a severe electric shock while trying to plug in the workbench power supply to test our design and that made us to almost give up. A trickle charger provides a relatively small amount of current, only enough to counteract self-discharge of a battery that is idle for a long time. Click Here to donate & download full work or scroll down to read Chapter One of this Construction Of A 12v Battery Charger work. Chapter four presents the system implementation which entails the component layout, the wiring schedule, the wiring diagram and also the complete schematic diagram. At temperatures higher than room temperature, these rates increase. A battery charger may be specified in terms of the battery capacity or C rate; a charger rated C/10 would return the battery capacity in 10 hours, a charger rated at 4C would charge the battery in 15 minutes. There are two types of battery, these are primary and secondary battery. We observed some precautions in the course of our work which helped us present an error-free system. Further charging does not restore the active area. We had to destroy many electronic devices for solution. Myprojectcircuits is number one Online Academic Library where researchers share their knowledge and project materials. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. Result: Solar energy is available abundantly in the nature as a gift that can be utilized to convert it into electrical energy using solar panels and associated circuitry. Chapter three covers the system analysis and design in details including the design methodology in block diagram form. There are different types of secondary battery, namely lead acid, Nickel-cadmium and silver zinc battery. This Construction Of A 12v Battery Charger Project material is NOT FOR SALE. The success of this device will bridge the gap of power failure that often occur within the hours of the day between 10.00am to 4.00pm, especially in rural communities. 5.2 Test and Result A1PROJECTHUB.com assists and guides Final Year Students with well researched and quality PROJECT TOPICS, PROJECT IDEAS, PROJECT WORKS, RESEARCH GUIDES and PROJECT MATERIALS at a Very AFFORDABLE PRICE!. Appliances that use rechargeable batteries include everythingfrom low-power mobile cell phones to high-power industrial fork lifts. The basic principle of its operation is a simple conversion of 12V DC from a battery using integrated circuits and semiconductors at a frequency of 50Hz, into a 230V AC across the windings of a transformer. Method: The device was first built on a breadboard which is later transfer to vero board and soldered. The VA rating is not the same as the power drain (in Watts) of the equipment. The system consists of a step down transformer, an AC to DC converter and a DC voltage regulator. The system consists of a step down transformer, an AC to DC converter and a DC voltage regulator. The rate of self discharge in Nickel-cadmium is about 2% per week, in Nickel-metal hydride it is about 3% per week. 3,178. Design and Construction of 12v Battery Charger Click here to Donate & download this Construction Of A 12v Battery Charger full researched material. Chapter three covers the system analysis and design in details including the design methodology in block diagram form. 4.2iv Voltage Control and Monition Unit , AGRICULTURAL ECONOMICS AND EXTENSION PROJECT TOPICS, ELECTRICAL ELECTRONICS ENGINEERING PROJECT TOPICS, FISHERY AND MARINE TECHNOLOGY PROJECT TOPICS, GEOLOGICAL AND CHEMICAL SCIENCES PROJECT TOPICS, ISLAMIC AND ARABIC PROJECT TOPICS AND MATERIAL, MATHEMATICS AND STATISTICS PROJECT TOPICS, MICRO-BIOLOGY PROJECT TOPICS AND MATERIALS, OFFICE TECHNOLOGY MANAGEMENT PROJECT TOPICS, OIL AND GAS/ PETROLEUM ENGINEERING PROJECT TOPICS, PUBLIC RELATION/PUBLIC ADMINISTRATION PROJECT TOPICS. The scope of this project is to have a direct current battery charger of 12 Volts and 10 Amp maximum which can be suitable for car batteries and electric vehicles. Academia.edu no longer supports Internet Explorer. The charger incorporates an automatic feature which automatically cut-off the charging process through a relay contact when the battery voltage reaches the required optimum level. Preview Abstract or chapter one below. It makes sense to use alkaline batterieswhile powering electronic systemseven though theyaredifficult to rechargebut they do not have a self-discharge. The AC impedance of a Capacitor is (1 / jWL) and acts as an open circuit in DC applications. If higher current had been drawn or if the battery had been completely discharged, the whole active area of the anode would have been involved. The simple charger does not alter its output based on time or the charge on the battery. The sales volume of suchproducts has increased dramatically in the past decade. Sudden power loss could also damage various sensitive parts of the computer. Design And Construction Of 12v Battery Charger - Pdf & Doc - Projectng In this project design, significant energy savings are possible by reducing the conversion losses associated with charging batteries in battery-powered products. Christine T. Bryant, (1990)saynot all chargers can recharge alkaline batteries. Account Type: Current Is there any disadvantage of using this type of battery charger? The introductory chapter goes a long why in defining the battery charger and explanations of the mode of operations will be death with as we proceed. For a 1.6Ah battery,C= 1.6A. Hundreds of millions of theseproducts are sold annually to businesses and consumers, with close to a billion in U.S and Nigeria. Share (Construction Of A 12v Battery Charger) On: (A Case Study Of Citizens International Bank Ltd). The scope of this work focuses on the building of a 12 to 24v battery charger that incorporated a relay which automatically cut-off the charging process through a relay contact when the battery voltage reaches the required optimum level. Electric vehicles need high-rate chargers for public access. Most battery chargers require human attention say Chu, Kim-Chiu the writer development of intelligent battery charge (1989), from the University of Hong Kong, but in this project, an automatic battery monitor is used to reduce human attention to about 85 per cent to eliminate overcharging of batteries. The system testing was first carried out accordingly in a laboratory setting. How to build Simple 12 Volt Car Battery Charger Circuit Charge rate is often denoted as C or C-rate and signifies a charge or discharge rate equal to the capacity of a battery in one hour. Please, do not copy this Construction Of A 12v Battery Charger materials word for word. It also contains other sections like power supply, voltage regulation and the control section, which can be highlighted in the subsequent chapter, IF YOU CAN'T FIND YOUR TOPIC, CLICK HERE TO HIRE A WRITER, Agricultural Business and Financial Management, Industrial Relations and Personnel Management, Soil Science and Land Resources Management. There is nothing that is so dangerous as when a battery is fully charged and the owner is not aware of the charging level, when a battery is overcharged it can destroy the cell of the battery or explode. This unregulated DC voltage is fed directly to the DC load (in this case, the battery) via a relay. 4.2 Explanation of the Block Diagram The introductory chapter goes a long why in defining the battery charger and explanations of the mode of operations will be death with as we proceed. The term memory effects refers to the batteries becoming weaker with continued use, particularly when the batteries have seen light use and do not respond well to further charging. Also there is no internal resistance connected in the battery charger to limit the short circuit current. We introduced asmart or intelligentbattery charger that does not only recharge batteries but conserves AC electrical energy and as well save the battery life. Chapter two presents the literature reviews. This includes the component of the system, the theory, design procedures and calculations involved during the sizing, design and installation of the system. It is reversible by charging and discharging several times. The problem stems from low battery currents which flow from only a small part of the active anode area of the battery. With this in mind, our objective will be to design a cheap, versatile and efficient lead acid car battery charger which will interest and appeal to the cost-minded customer. While designers of battery chargers often maximize the energy efficiency of their devices to ensure long operation times between charging. TABLE OF CONTENTS TITLE PAGE APPROVAL PAGE DEDICATION ACKNOWELDGEMENT ABSTRCT TABLE OF CONTENT CHAPTER ONE INTRODUCTION Experimental Design and Construction of an Enhanced Solar Battery Charger This material content is developed to serve as a GUIDE for students to conduct academic research. We had to destroy many electronic devices for solution. Construction of A 12v Battery Charger Most battery chargers require human attention say Chu, Kim-Chiu the writer development of intelligent battery charge (1989), from the University of Hong Kong, but in this project, an automatic battery monitor is used to reduce human attention to about 85 per cent to eliminate overcharging of batteries. 1.2 Statement of the Problem A simple 12volts charger works by supplying a constant DC or pulsed DC power source to a battery being charged. A battery charger is an electrical/electronic device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it. The first chapter is the introductory chapter, which covers the background, project objectives, scope of the project, constraints and block diagram overview of the states. CONSTRUCTION OF A 12V BATTERY CHARGER - Final Year Research Project design and construction of a 12 volts automatic battery charger - for B It also contains other sections like power supply, voltage regulation and the control section, which can be highlighted in the subsequent chapter. Design and Construction of 12v Battery Charger. If higher current had been drawn or if the battery had been completely discharged, the whole active area of the anode would have been involved. These products will become useless if there is no charger to refill their battery when it runs down. This project (device) offers a better alternative to Public Power Supply, Generators as well as UPS considering it is cost effective, noiseless and easy maintainability. The Chapter One of Construction Of A 12v Battery Charger ends here. The Table of Content of Construction Of A 12v Battery Charger ends here. The term memory effects refers to the batteries becoming weaker with continued use, particularly when the batteries have seen light use and do not respond well to further charging. Account number: 7749601025, Bank Name: Access Bank Having carefully selected the entire component that are required for the construction of the charger and built according to the circuit diagram we were able to design and construct a workable battery charger. Batteries that are not recharged before use will not supply the full amount of stored energy. The charger's circuits convert 240-volt household alternating current (AC) to the 12-volt direct current (DC) that the battery needs. Search, download or share academic files, Study Of Controlling Of Customers Account By The Commercial Banks, Need For Sourcing And Supplier Development In An Organization, Traditional Institutions As Instruments For Rural Development. A battery charger is an electrical/electronic device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it. 4.2i Voltage Step Down Unit The system consists of a step down transformer, an AC to DC converter and a DC voltage regulator. This is because alkaline batteries have long shelf lives and do not suffer the memory effects of Nickel-cadmium batteries. A trickle charger provides a relatively small amount of current, only enough to counteract self-discharge of a battery that is idle for a long time. In this project, a sophisticated class of battery charger is designed not just to refill rechargeable batteries but to conserve the battery life because wrong handling and charging of a battery can permanently damage the battery even if is brand new. This work is aimed at building an automatic battery charger which has the ability to automatically cut-off the charging process when the battery voltage reaches the required optimum level with the help of the contact relay. Withthis project it is possibleto recharge both alkaline and NiCadbatteries because the system has anautomatic battery monitor which monitor and adjust the charging rate of batteries. It may, however, require an external capacitor to be connected across its output terminals in order to smooth the voltage sufficiently, which may be thought of as a DC voltage plus a ripple voltage added to it. Such a charger would supply currents in excess of safe values, would not turn off automatically when battery voltage exceeds safe limits, and would continue unchecked until the battery was damaged. The project is limited to 12V batteries. It covers all the activities encountered during the research work. You may also cite this Construction Of A 12v Battery Charger work if, properly paraphrased. The PV system was designed with a 19200Watt-hour battery bank that is made up of eight 12V/200Ah deep cycle lead acid batteries. The Abstract of Construction Of A 12v Battery Charger ends here. Abattery chargerconsists of a rectifier circuit, power circuit, ripple monitoring, control circuit, relay. This study will also be of great benefit to all users of charger and rechargeable devices in that it will help them to understand how their battery is been charged and how chargers are operated. Also, the problem of unavailability of electricity and constant interruption of electric supply is what we addressed by embarking on this project. It is the process of using a 12v DC from the battery to achieve a 220/230V AC through the help of oscillator, drivers, power transistors and transformer. While designers of battery chargers often maximize the energy efficiency of their devices to ensure long operation times between charging. NOTE: Preview the following Table of Content before you download the full content. Finding the rectifier diode and DC regulator for this charger was not an easy task. Below are terms that are frequently used in this work and their definitions: Battery: a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power. A battery charger is a system that draws energy from the grid, store it in a battery, and release it to power a device is called abattery charger system. 3.4 Diode The project is also significant because children will be attracted to charging their own batteries in their toys and possessions. we are always 24/7 online and ready to help. It may, however, require an external capacitorto be connected across its output terminals in order to smooth the voltage sufficiently, which may be thought of as a DC voltage plus a ripple voltage added to it. Dedication Christine T. Bryant, (1990) say not all chargers can recharge alkaline batteries. The introductory chapter goes a long why in defining the battery charger and explanations of the mode of operations will be death with as we proceed. The organization of the project report is well detailed and vast in its coverage. The introductory chapter goes a long why in defining the battery charger and explanations of the mode of operations will be death with as we proceed. I recommend that device should not be used for any other device lower or higher than 12v rating. We could save a lot of electric power using new electronic technology in our charging system and then highlight several design strategies for improving the efficiency of other chargers. You can download the paper by clicking the button above. This project is about the design and construction of 2KW 230 volts solar panel inverter at a frequency of 50Hz. The author of Construction Of A 12v Battery Charger is written at the front page of the downloaded file. The Deanship of Graduate Studies, DESIGN AND IMPLEMENTATION OF MULTI- INPUT UNINTERRUPTIBLE POWER SUPPLY, Battery Management Systems Design by Modelling, Increased performance of battery packs by active equalization, Development of A Cost Effective 2.5kva Uninterruptible Power Supply System, Test Bed Development for Battery Charge Curve Analysis for Automotive DYPCOE, Department of E&TC, Newnes Electrical Engineer 039 s Handbook. 4.4 Voltage Regulation, CHAPTER FIVE )-Transients of Modern Power Electronics (2011), "POWER HARVESTING BY USING HUMAN FOOT STEP"-THESIS, A USER PROGRAMMABLE BATTERY CHARGING SYSTEM A Thesis, Energy Harvesting Using Thermoelectric Generators. These products will become useless if there is no charger to refill their battery when it runs down. Result: The device was completely build and coupled, the result during the test shows that the charger was able to respond to its operation when a 12 and 24volts battery was connected it. A battery charger is an indispensible device for battery users because battery is an essential element that powers any electronic products like UPS inverters system, photographic equipments, hand-held lamps (flashlight or torch), computer-memory standby, toys, novelties and automobiles, etc. It makes sense to use alkaline batteries while powering electronic systems even though they are difficult to recharge but they do not have a self-discharge. 4.1 The Block Diagram of the System Acknowledgement: You must acknowledge and reference the writer of Construction Of A 12v Battery Charger on your acknowledgement and reference pages respectively. Managing their own batteries is fun, and they know it helps the environment by not having to throw batteries away when they can recycle them. This project, 12v battery charge consist of few chapters, deal extensively with the design and construction of a batter charge which is capable of charging a 12v battery. A charge rate of C/2 = 0.8A would need two hours, and a charge rate of 2C = 3.2A would need 30 minutes to fully charge the battery from an empty state, if supported by the battery. To download this Construction Of A 12v Battery Charger full file, click on Download File on top of this page and follow the next. This also assumes that the battery is 100% efficient at absorbing the charge. Click here to download full Construction Of A 12v Battery Charger file or Click here to view Table of Content. The problem stems from low battery currents which flow from only a small part of the active anode area of the battery. In order to achieve ten times extension of the normal life of an everyday alkaline battery, you will have to recharge it frequently, many more times than ten. Approval This was a capstone project of mine where I researched on electric vehicles. Few modern electrical appliances receive their power directly from the Utilitygrid like National Electricity Power Authority (NEPA) or Power Holding Company of Nigeria (PHCN), while a growing number of everyday electronic and electrical devices require electrical powerfrom batteries in order to achieve greater mobility and convenience. We used these requirements as guidelines to implementing our product as well as include additional features that we thought are important to the functionality. UniProjects does not encourage any form of plagiarism, so, read this Construction Of A 12v Battery Charger and develop your own fresh work. This type of device is important because there are many rechargeable devices that use 12 or 24v battery. Battery Tender Junior 12V, 800mA Battery Charger and Maintainer Fig 1.1 : Project Organizations Block Diagram. Construction Of A 12v Battery Charger - Eduprojecttopics Charge rate is often denoted as C or C-rate and signifies a charge or discharge rate equal to the capacity of a battery in one hour. We could save a lot of electric power using new electronic technology in our charging system and then highlight several design strategies for improving the efficiency of other chargers. None of the above happens with common alkaline batteries. The sales volume of such products has increased dramatically in the past decade. The major aim and objective of this project is to design and construct a battery charger that can be use to charge any kind of 12v rechargeable batteries including alkaline, NiCad or lead acid batteries. More About Construction Of A 12v Battery Charger Project Material, First Edition Of The Tape Recorder Servicing Manual, Construction And Design Of A 6v Rechargeable Lamp, Design And Construction Of A DC To AC Inveter System, Design And Construction Of Sound Detector With Alarm System, Industrial Relations and Personnel Management. If higher current had been drawn or if the battery had been completely discharged, the whole active area of the anode would have been involved. The charger is intended to charge battery terminal voltage up to 12v. With the lack of centralized power grids, car batteries have taken the place of oneof the main energy sources available in developing countries. The VA rating of UPS should be greater than the VA rating of the load. The UPS here is designed for 300VA. This project, 12v battery charge consist of few chapters, deal extensively with the design and construction of a batter charge which is capable of charging a 12v battery. This project, 12v battery charge consist of few chapters, deal extensively with the design and construction of a batter charge which is capable of charging a 12v battery. But brings about a reaction between its electrode and electrolyte in a way to course a flow of electrons through an external circuits is known as battery. This is a chemical change causing the electrodes to degenerate in Nickel-metal hydride and Nickel-cadmium batteries. Other battery types cannot withstand long high-rate over-charging; the charger may have temperature or voltage sensing circuits and a microprocessor controller to adjust the charging current, and cut off at the end of charge. Battery Tender 021-0123 Junior 12V, 0.75A Battery Charger and Maintainer, Black/Green (021-0123) 4.8 out of 5 stars. The project was carried out to curb the problem of epileptic mains power supply that has crippled major activities in the university and the department in particular over the years. The life span of a battery mostly used by automobile drivers can be maximized by avoiding over loading, overcharging, and inputting charge current higher than battery manufacture's rated value . This project presents the design and construction of a battery charger. The project is also significant because children will be attracted to charging their own batteries in their toys and possessions. Two operations take place here: - 1. Secondly, sourcing of materials and components used was not easy. This project, 12v battery charge consist of few chapters, deal extensively with the design and construction of a batter charge which is capable of charging a 12v battery. design and construction of 12v-24v battery charger with full charge Your email address will not be published. The major aim and objective of this project is to design and construct a battery charger that can be use to charge any kind of 12v rechargeable batteries including alkaline, NiCad or lead acid batteries. A battery charger is an electrical/electronic device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it. The charging time was approximately 2 hours 30 mins with adapter and 1 hour 15 mins with solar charging. Construction of a 12v Battery Charger Approval Dedication Acknowledgement Abstract, CHAPTER THREE DESCRIPTION OF COMPONENT USED 3.1 Transformer 3.2 Comparator 3.3 Resistor 3.4 Diode 3.5 Relay 3.6 Zener Diode 3.7 Light Emiting Diode (LED) 3.8 Filtering 3.9 AC to DC Converter, CHAPTER FOUR DESCRIPTION OF THE SYSTEM 4.1 The Block Diagram of the System 4.2 Explanation of the Block Diagram 4.2i Voltage Step Down Unit 4.2ii AC/DC Converter Unit 4.2iii Filter and Regulation Unit 4.2iv Voltage Control and Monition Unit 4.3 The Circuit Diagram and the Operation of Components 4.4 Voltage Regulation, CHAPTER FIVE 5.1 Conclusion 5.2 Test and Result 5.3 Component Used and their Price. H1: There is a significant relationship between charger and cutoff relay. In this project design, significant energy savings are possible by reducing the conversion losses associated with charging batteries in battery-powered products. Growth in digital data storage and transmission in the fields of internet, telecommunication, enterprise networks etc. But brings about a reaction between its electrode and electrolyte in a way to course a flow of electrons through an external circuits is known as battery. 3.1 Transformer A battery charger is an indispensible device for battery users because battery is an essential element that powers any electronic products like UPS inverters system, photographic equipments, hand-held lamps (flashlight or torch), computer-memory standby, toys, novelties and automobiles, etc. Design and Construction of 12v battery charger - Academia.edu This project presents the design and construction of a battery charger. ABSTRACT This project is on a 12volts automatic battery charger with charging progress and charging level indicator. None of the above happens with common alkaline batteries. (PDF) Design and Construction of 12v Battery Charger Rechargeable batteries store electricity from theutilitygrid for later use and can be conveniently recharged when their energy has been drained. The Construction of A 12 Volt Lead Acid Battery Charger