Valve Regulated Lead Acid Batteries
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Valve Regulated Lead Acid Batteries
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Author : Patrick T. Moseley
language : en
Publisher: Elsevier
Release Date : 2004-02-24
Valve Regulated Lead Acid Batteries written by Patrick T. Moseley and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-02-24 with Technology & Engineering categories.
For many decades, the lead-acid battery has been the most widely used energy-storage device for medium- and large-scale applications (approximately 100Wh and above). In recent years, the traditional, flooded design of the battery has begun to be replaced by an alternative design. This version - the valve-regulated lead-acid (VRLA) battery - requires no replenishment of the water content of the electrolyte solution, does not spill liquids, and can be used in any desired orientation. Since the VRLA battery operates in a somewhat different manner from its flooded counterpart, considerable technological development has been necessary to meet the exacting performance requirements of the full range of applications in which rechargeable batteries are used. The valve-regulated design is now well established in the industrial battery sector, and also appears set to be adopted widely for automotive duty. This book provides a comprehensive account of VRLA technology and its uses. In the future, all industrial processes - including the manufacture of batteries - will be required to conform to the conventions of sustainability. Accordingly, the crucial areas of the environmental impact associated with the production and use of VRLA batteries and the recycling of spent units are also treated thoroughly. Valve-Regulated Lead-Acid Batteries gives an essential insight into the science that underlies the development and operation of VRLA batteries and is a comprehensive reference source for those involved in the practical use of the technology in key energy-storage applications. Covers all major advances in the field Provides a comprehensive account of VRLA technology and its uses First book dedicated to this technology
Developments In Valve Regulated Lead Acid Vrla Batteries
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Author : P. G. Balakrishnan
language : en
Publisher: Nova Science Publishers
Release Date : 2014-05-14
Developments In Valve Regulated Lead Acid Vrla Batteries written by P. G. Balakrishnan and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-14 with Lead-acid batteries categories.
Developments In Valve Regulated Lead Acid Vrla Batteries
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Author : P. G. Balakrishnan
language : en
Publisher:
Release Date : 2008
Developments In Valve Regulated Lead Acid Vrla Batteries written by P. G. Balakrishnan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Lead-acid batteries categories.
Although Gaston Planté invented the lead-acid battery in 1859 in France, it took about a century to make it maintenance-free in the sense that there is no necessity for topping up the battery with water. This was made possible by the invention of a hermetically sealed nickel oxyhydroxide-cadmium battery. Though such batteries were variously called in the beginning as maintenance-free battery, sealed battery, starved electrolyte battery, absorbed electrolyte battery, etc., due to heavy litigation, particularly in the U.K., the term valve-regulated lead-acid battery (VRLAB) was coined to obviate the legal battle. The VRLAB operates on the principle of "internal oxygen cycle" without resorting to the use of catalytic recombination plugs. The binary alloys used in the initial periods of development of VRLAB had no aluminium or silver. After the introduction of Ca-Al master alloy for preparing the Pb-Ca-Al alloy, the grid casting problems were minimised. The introduction of tin to alleviate the problem of premature capacity loss helped to a very great extent in increasing the market share of VRLAB, particularly in the stationary market segment. Developments in the absorptive glass mat (AGM) separator also gave a great impetus to the popularisation of the VRLAB. The work done by the Advanced Lead-Acid Battery Consortium (ALABC) paved the way for increasing the Electric Vehicle (EV) market for VRLAB. Rapid charging of VRLAB not only helped in extending the range of EVs by reducing the down time of EVs, but also increased the life of fast-charged VRLAB. The VRLA battery technology being a comparatively new one, a lot of teething troubles were encountered in the initial periods of its introduction. A detailed analysis of the failure modes of VRLAB and remedial measures adopted by the industry is critically analysed. Extensive trials of VRLAB have been carried out to prove the utility of automotive VRLAB in Australia, Italy, Germany and Japan. Aircraft VRLAB have been proved immune to thermal runaway even though the temperature rises to 72°C. A new idea of a hybrid AGM-Gel VRLAB for use in high temperature operation is under investigation and field trial.
Ieee Guide For Selection Of Valve Regulated Lead Acid Vrla Batteries For Stationary Applications
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Author :
language : en
Publisher: Institute of Electrical & Electronics Engineers(IEEE)
Release Date : 1996
Ieee Guide For Selection Of Valve Regulated Lead Acid Vrla Batteries For Stationary Applications written by and has been published by Institute of Electrical & Electronics Engineers(IEEE) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Storage batteries categories.
Methods for selecting the appropriate type of valve-regulated, immobilized-electrolyte, recombinant lead-acid battery for any of a variety of potential stationary float applications are described.
Useful Life Health Estimation For Valve Regulated Lead Acid Batteries
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Author : Edgar Cortes
language : en
Publisher:
Release Date : 2020-07-12
Useful Life Health Estimation For Valve Regulated Lead Acid Batteries written by Edgar Cortes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-12 with categories.
This book transcribes a study to determined the useful life health estimation of valve - regulated lead acid (VRLA) batteries used in telecommunications industry.Exciting results presented why the load, internal resistance, ambient temperature and discharge cycle influence the estimated useful life of valve - regulated lead acid batteries. As load increases it is directly proportional to depth of discharge. Other operating conditions such as float voltage are strictly observed as battery manufacturer already identified this threshold. Batteries in a standby power system application subjected to relatively few cycles during its life and in the event that a discharged occur, the coup de fouet modeling technique where the discharge voltage versus reserve charge characteristic or the unified approach can be used to predict battery characteristics.It is concluded that parameters identified like load, internal resistance, ambient temperature, discharge cycle & depth of discharge are highly significant in determining useful life health estimation of valve- regulated lead acid batteries. As revealed in this study, telecommunication and other allied stakeholders carefully understand the technology and ensure that basic requirements meet like consideration on air-conditioning system in the battery room, the load are monitored and not to exceed recommended threshold as these aforementioned parameters are highly significant on the useful life health estimation of valve regulated lead acid batteries.
Ieee Guide For Selection Of Valve Regulated Lead Acid Vrla Batteries For Stationary Applications
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Author :
language : en
Publisher:
Release Date :
Ieee Guide For Selection Of Valve Regulated Lead Acid Vrla Batteries For Stationary Applications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Storage batteries categories.
This guide describes methods for selecting the appropriate type of valve-regulated, immobilized-electrolyte, recombinant lead-acid battery for any of a variety of stationary float applications. The purpose of this document is to ensure that the reader is aware of all significant issues that should be considered when selecting VRLA batteries, so that the user might make an informed decision.
Lead Acid Batteries For Future Automobiles
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Author : Jürgen Garche
language : en
Publisher: Elsevier
Release Date : 2017-02-21
Lead Acid Batteries For Future Automobiles written by Jürgen Garche and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-21 with Technology & Engineering categories.
Lead-Acid Batteries for Future Automobiles provides an overview on the innovations that were recently introduced in automotive lead-acid batteries and other aspects of current research. Innovative concepts are presented, some of which aim to make lead-acid technology a candidate for higher levels of powertrain hybridization, namely 48-volt mild or high-volt full hybrids. Lead-acid batteries continue to dominate the market as storage devices for automotive starting and power supply systems, but are facing competition from alternative storage technologies and being challenged by new application requirements, particularly related to new electric vehicle functions and powertrain electrification. Presents an overview of development trends for future automobiles and the demands that they place on the battery Describes how to adapt LABs for use in micro and mild hybrid EVs via collector construction and materials, via carbon additives, via new cell construction (bipolar), and via LAB hybrids with Li-ion and supercap systems System integration of LABs into vehicle power-supply and hybridization concepts Short description of competitive battery technologies
Ieee Recommended Practice For Maintenance Testing And Replacement Of Valve Regulated Lead Acid Vrla Batteries For Stationary Applications
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Author : Institute of Electrical and Electronics Engineers
language : en
Publisher:
Release Date : 1996
Ieee Recommended Practice For Maintenance Testing And Replacement Of Valve Regulated Lead Acid Vrla Batteries For Stationary Applications written by Institute of Electrical and Electronics Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Lead-acid batteries categories.
1187 1996 Ieee Recommended Practice For Installation Design And Installation Of Valve Regulated Lead Acid Storage Batteries For Stationary Applications
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Author :
language : en
Publisher:
Release Date :
1187 1996 Ieee Recommended Practice For Installation Design And Installation Of Valve Regulated Lead Acid Storage Batteries For Stationary Applications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Battery Chargers For Lead Acid Batteries Domestic Type
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Author : Standards Association of Australia
language : en
Publisher:
Release Date : 1995
Battery Chargers For Lead Acid Batteries Domestic Type written by Standards Association of Australia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.