Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 29 for “"Lead Acid Battery"”.
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Automotive Lead-Acid Battery State-of-Health Monitoring System
… of a system to continuously monitor the battery in a car and warn the user of an upcoming battery failure. An automotive battery endures enormous strain when it starts the engine, and when it supplies loads without the engine running. Note that the current during a cranking event often …
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Development of repetitive current control for lead acid battery using arduino
… on development of repetitive current control for lead acid battery using Arduino. The project uses Buck-Boost converter circuit with reference voltage of 14V from lead acid battery. The range of buck operation input voltage is between 18V to 15V while boost operation input voltage range is between …
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System analysis perspectives : lead-acid battery recycling in British Columbia, Canada
… thinking approach to describe and evaluate the Lead-Acid Battery Recycling Program in British Columbia, compare it with other provincial regulated recycling programs and identify strategies on how it can be improved. The research is presented in the manuscript based format, comprised of four …
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Development of time delay voltage control for lead acid battery using arduino
… of the output results for charging a battery. Finally, the control performance was evaluated through both simulations by using MATLAB software and also the experimental hardware. The results are observed in three conditions which are simulation, open loop control and close loop …
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Optimisation of Valve Regulated Lead Acid Battery Design for High Power Applications
… primary cause(s) of the performance issues of lead acid batteries using qualitative and quantitative research methods. In this research, various real time products have been tested with the view to improving performance by resolving any issues before they launch into the consumer …
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Fundamental studies of the behaviour of antimony in the lead-acid battery
… the technological problems associated with the lead-acid battery is the self-discharge of the negative plate as a result of the deposition of antimony onto the sponge lead electrode, a process known as 'Antimony Poisoning'. The rate of deposition (III) from aqueous sulphuric acid onto pure lead …
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Potassium sulphate production from an aqueous sodium sulphate waste from lead acid battery recycling
… Because of the comparative advantages that lead acid batteries have over other energy storage technologies, there is an increasing demand and use of lead acid batteries in various industrial operations. The lead acid battery waste stream is a significant source of Na2SO4, which is a …
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An Intelligent Lead Acid Battery Management System for Solar and Off-Peak Energy Storage
… solar energy management system which combines battery management and storage technology to address this issue. This approach uses an energy system with a solar panel array, a maximum power point tracking (MPPT) unit, a battery management system, and a bidirectional inverter which is connected …
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The application of genetic algorithms to parameter estimation in lead-acid battery equivalent circuit models
… the research work in the development of the battery status estimation algorithm. A model was developed to describe the process of battery discharge. Genetic Algorithms were used as a tool to identify the parameters of the battery, including the internal resistances, SOC, and capacity. …
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Development of time delay current control for lead acid battery 12 v DC by using arduino
Development of time delay current control for lead acid battery 12 V dc by using Arduino is the aim of this thesis. The development problem is necessary before applying control techniques to guarantee the execution of any task according to a desired input with minimum error. The main objective of …
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STUDYING THE EFFECTS OF NEW ADDITIVE MATERIALS FOR THE IMPROVEMENT OF THE CAPACITY AND CYCLE LIFE PERFORMANCE OF THE LEAD-ACID BATTERY
<p>"Lead-acid batteries are an established technology with nearly 99% recyclability; however, lead-acid batteries produce only 40% of their theoretical capacity due to poor active mass utilization and PbSO4 pore blockage, and the longevity of the batteries is hampered by secondary reactions during …
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A Data Monitor for Large Lead Acid Batteries
In modern industry, the lead acid battery plays a very important role. Electric vehicles such as, golf cars and fork lift trucks all use a lead acid battery. However, the battery often is not be used in the right way, and this leads to a short battery service life. One of the main reasons that the …
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State of Health Estimation System for Lead-Acid Car Batteries Through Cranking Voltage Monitoring
… the development and validation of an automotive battery monitoring system that estimates the health of a lead-acid battery during engine cranking and provides a low state of health (SOH) warning of potential battery failure. A reliable SOH estimation should assist users in preventing a sudden …
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The dynamic characterisation and modelling of lead-acid batteries for electric vehicle applications
… effort to increase the available capacity of a lead-acid battery, the effects of pulsed discharge currents as opposed to the effects of continuous discharge currents on the battery were investigated, for a wide range of frequency, mark/space ratio and peak current of the discharge waveform. It …
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Battery performance characterisation for stand-alone photovoltaic systems
… over the life of the system has been the lack of battery test data appropriate to PV applications. The main objective of this study was to determine accurate empirical data for locally available lead-acid batteries which could be used in photovoltaic systems and to present this data in a format …
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Pulse charging lead-acid batteries to improve performance and reverse the effects of sulfation
When lead-acid batteries are improperly charged or discharged, useful power delivered to loads diminishes. One cause for this is a phenomenon generally referred to as sulfation. One possible method that has been proposed by many to reverse the effects of sulfation is to recharge the lead-acid …
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Refurbishing sulfated lead-acid batteries through surface electrochemical techniques
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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Modeling and optimization of energy storage system for microgrid
<p>"The vanadium redox flow battery (VRB) is well suited for the applications of microgrid and renewable energy. This thesis will have a practical analysis of the battery itself and its application in microgrid systems. The first paper analyzes the VRB use in a microgrid system.</p> <p>The first …
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Viability study to implement peak load shaving at UCT Medical School
… a three-phase inverter in conjunction with a lead-acid battery at UCTMS for PLS is technical and financial viable. Five-year UCTMS MMD data history was gathered from UCT maintenance office as well as eight-month UCTMS load profile, which was gathered using the available electrical meter at …
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