3,134 resources related to Battery Chargers
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Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies
APEC focuses on the practical and applied aspects of the power electronics business. Not just a power designer’s conference, APEC has something of interest for anyone involved in power electronics including:- Equipment OEMs that use power supplies and converters in their equipment- Designers of power supplies, dc-dc converters, motor drives, uninterruptable power supplies, inverters and any other power electronic circuits, equipments and systems- Manufacturers and suppliers of components and assemblies used in power electronics- Manufacturing, quality and test engineers involved with power electronics equipment- Marketing, sales and anyone involved in the business of power electronic- Compliance engineers testing and qualifying power electronics equipment or equipment that uses power electronics
2020 IEEE Energy Conversion Congress and Exposition (ECCE)
IEEE-ECCE 2020 brings together practicing engineers, researchers, entrepreneurs and other professionals for interactive and multi-disciplinary discussions on the latest advances in energy conversion technologies. The Conference provides a unique platform for promoting your organization.
ISSCC is the foremost global forum for solid-state circuits and systems-on-a-chip. The Conference offers 5 days of technical papers and educational events related to integrated circuits, including analog, digital, data converters, memory, RF, communications, imagers, medical and MEMS ICs.
The Annual IEEE PES General Meeting will bring together over 2900 attendees for technical sessions, administrative sessions, super sessions, poster sessions, student programs, awards ceremonies, committee meetings, tutorials and more
The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.
The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...
Part I will now contain regular papers focusing on all matters related to fundamental theory, applications, analog and digital signal processing. Part II will report on the latest significant results across all of these topic areas.
The design and manufacture of consumer electronics products, components, and related activities, particularly those used for entertainment, leisure, and educational purposes
Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.
2018 IEEE 4th International Forum on Research and Technology for Society and Industry (RTSI), 2018
In this paper the partial waveforms technique is applied to model electric vehicles battery chargers for harmonic penetration studies. After some recalls on partial waveforms technique, the EV battery charger based on the boost architecture is briefly described. The results of numerical examples show the ability of the developed time domain model to accurately assess the harmonic emission in the ...
2017 International Conference on Green Energy Conversion Systems (GECS), 2017
Over the last years, Electric Vehicles (EV) have gained a growing interest as an alternative option for Internal Combustion Engine driven vehicles due to the increasing concern of global warming issue. Since the battery is the key component in the development of electric vehicles technology, the battery charger is also indispensable for their emergence. Typically battery chargers are composed of ...
2016 IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS), 2016
This paper presents an overview of the fundamentals of battery chargers, including charging algorithms and circuit implementation of linear and switching battery chargers. First, the basic operation of batteries is described under open circuit, discharging, and charging conditions. Next, an overview of the pulse charging scheme and its implementation is presented, followed by an overview of the Constant-Current Constant-Voltage (CCCV) ...
2018 IEEE International Conference on Industrial Electronics for Sustainable Energy Systems (IESES), 2018
A Power Factor Correction (PFC) converter comprises the initial stage of a grid connected on-board battery charger for electric vehicles. Generally, the control scheme for the nested PFC converter consists of two Proportional Integral (PI) controllers for maintaining the input current and the intermediate DC voltage respectively. The problem with the PI current controller is its inability to track the ...
2017 IEEE 30th Canadian Conference on Electrical and Computer Engineering (CCECE), 2017
Testing solar powered, portable devices with accurate testing equipment is expensive while using analytical models to estimate their performance is not as accurate. The proposed platform for performance evaluation of solar battery chargers provides a middle ground of affordable practical testing. The system can be programmed to mimic impacts of different geographical and weather conditions on the solar panels and ...
The Fundamentals of Battery Charger Design
International Future Energy Challenge 2015!
Silicon Labs' Thunderboard Sense (SLTB001A): Mouser Engineering Bench Talk
Residential Nanogrids with Battery Storage; Is This Our Future? - Antonio Ginart at APEC 2016
IEEE Entrepreneurship @ Hello Tomorrow Global Summit: Brill Power
Regenerative Energy Storage Systems for Hybrid Electric and Battery Electric Vehicles
IEEE Day Milestone: Volta Awakens in the Modern Age
IFEC 2011-International Future Energy Challenge 2011
Wireless Power Transfer: APEC 2013 KeyTalk with Francesco Carobolante of Qualcomm
The Automotive Challenge: An Intense EECS Experience (2015-HKN-SLC)
IEEE Top Trends for 2012 at CES: Cloud-Based Applications
ENERGY HARVESTERS AND ENERGY PROCESSING CIRCUITS
High Efficiency Supply-Modulated RF Power Amplifier for Handset Applications
APEC 2011-2011 International Future Energy Challenge@APEC 2011
APEC 2011- Methode Electronics at APEC 2011
Zero Emission Powertrains and Fuel Cell Engines: APEC 2019
Energy Innovations: The Hydrogen House
Archana Geggalapally from Qualcomm at WIE ILC 2016
Bluetooth: The Future of Wireless Medical Technology
In this paper the partial waveforms technique is applied to model electric vehicles battery chargers for harmonic penetration studies. After some recalls on partial waveforms technique, the EV battery charger based on the boost architecture is briefly described. The results of numerical examples show the ability of the developed time domain model to accurately assess the harmonic emission in the ac supply network.
Over the last years, Electric Vehicles (EV) have gained a growing interest as an alternative option for Internal Combustion Engine driven vehicles due to the increasing concern of global warming issue. Since the battery is the key component in the development of electric vehicles technology, the battery charger is also indispensable for their emergence. Typically battery chargers are composed of two stages of conversion and they can be implemented inside (on-board) or outside (off-board) the vehicle. The on-board chargers are limited by size and weight thus they are restricted to low power (slow charging). So to achieve high power level (fast charging) several integration solutions with the existent drivetrain in the vehicle have been proposed. Battery chargers can support bidirectional power flow between the vehicle and the grid which introduces “Vehicle-to-Grid” technology. This paper presents an overview of on-board bidirectional battery chargers. Different topologies for both two-stage chargers and integrated chargers are reported and their operation principals are explained.
This paper presents an overview of the fundamentals of battery chargers, including charging algorithms and circuit implementation of linear and switching battery chargers. First, the basic operation of batteries is described under open circuit, discharging, and charging conditions. Next, an overview of the pulse charging scheme and its implementation is presented, followed by an overview of the Constant-Current Constant-Voltage (CCCV) charging scheme and the special considerations pertaining to charging Lithium Ion (Li-Ion) batteries. Linear and switching circuit realizations of the CCCV charging scheme are then presented, followed by an overview of battery fuel- gauging circuits, multi cell chargers, and cell-balancing techniques.
A Power Factor Correction (PFC) converter comprises the initial stage of a grid connected on-board battery charger for electric vehicles. Generally, the control scheme for the nested PFC converter consists of two Proportional Integral (PI) controllers for maintaining the input current and the intermediate DC voltage respectively. The problem with the PI current controller is its inability to track the reference sine wave signal when there is a sudden change in load, which introduces the harmonic distortions at the input current. To overcome these issues, this paper proposes the design of a Proportional Resonant (PR) current controller for the front-end rectifier in a universal battery charger. A 1 kW PFC converter with PR controller under different load conditions is simulated and presented in this paper.
Testing solar powered, portable devices with accurate testing equipment is expensive while using analytical models to estimate their performance is not as accurate. The proposed platform for performance evaluation of solar battery chargers provides a middle ground of affordable practical testing. The system can be programmed to mimic impacts of different geographical and weather conditions on the solar panels and the performance of the battery.
This paper proposes data transmission method in flyback converter battery charger without additional communication circuit. A battery management system (BMS) and a charger constantly transmit and receive data for the safe operation of battery and implementation of fast charging. The most conventional system uses an additional line or wireless communication modules for this data transmission. The proposed system, in comparison, does not use additional signal transceiver but instead exchanges data by alternating operation mode of the flyback converter, thus reducing the volume of the terminal and overall system. The waveform of transformer voltage is used to count the number of resonant pulses, which is used for decoding and encoding the message. Bidirectional communication between input and output is possible using an appropriate communication protocol. The experimental results are presented to verify the performance of the proposed communication method.
The evolution of new battery technologies and unique system requirements has created a demand for intelligent power electronic battery-charger solutions. This paper will present a method showing how to develop a programmable solution that supports multiple topologies and hardware designs that can be used to safely and reliability charge existing and future battery chemistries, in addition to super-capacitor energy storage needs. Common and popular battery-charger topologies, such as Buck, Flyback, SEPIC and Cuk', will be used as examples. Using this method, accurate constant voltage and charge current can be achieved with all topologies via a common firmware platform and a highly integrated hybrid PWM controller.
A modern portable computer, netbook, smartphone or camera is powered by a smart battery. This is a device containing one or more Lithium cells, protection circuits and a power management circuit, interfaced by a two wire SMBus interface . The need for higher efficiency and longer battery life has pushed the technology of the smart battery forward, for higher efficiency, smaller component count and more integrated functions controlled by internal registers. The internal registers are written and read via SMBus. A charger is evaluated by the test engineers and presented to the customers by the field application engineers on a demonstrator board which emulates the conditions found in a real system. The charger also needs a SMBus Master . This paper presents a host emulator integrated in the demonstrator board, together with a Windows interface for accessing the internal registers.
This manuscript presents a new overall control strategy for a standalone photovoltaic (PV) battery charging system. The battery can be regarded as an energy storage element in the system for reliable operation, or it can be considered as the load itself while being charged from null to full. The charger consists of a boost converter followed by a buck converter that charges the battery. The two converters are interfaced using a dc link capacitor that can be a super capacitor for increased energy buffer capability and to meet power spikes needed by the load. Traditionally, the boost converter is controlled to achieve maximum power point tracking (MPPT), while the output voltage of the boost converter is regulated by the buck converter, which connects to the battery. In this paper, a coordinated control strategy for the two converters is proposed and implemented to achieve multi-objective performance. When the optimal charging power is less than the offered maximum PV power, a power-matching control mode is initiated to keep the charging process smooth. In this mode of operation, the dc link voltage will be kept constant. When the PV maximum input power is less than the battery optimal charging power, the system shifts into MPPT control. In this paper, the dc link voltage information is used to guide the entire supervisory control system. By offering a range of voltage variation across the de link capacitor, the system can ride through fast shading or partial shading dynamics, which stabilizes the charging process in such normally occurring environmental conditions. Simulation results show the performance of the proposed control strategy.
This standard describes methods for qualifying static battery chargers and inverters for Class 1E installations in environmentally controlled areas outside containment in nuclear power generating stations. For the purpose of this standard, battery chargers and inverters must perform their intended function under specified service conditions. The demonstration that an installed battery charger or inverter will meet its design specification requires many steps in a program of design, fabrication, quality control, qualification, installation, maintenance, and periodic testing. This standard treats only the qualification area of this program. The result may provide a basis for determination of long term maintenance requirements. Qualification may be accomplished in several ways: type testing, operating experience, or analysis.<<ETX>>
This recommended practice defines the areas of recommended knowledge for installers and maintainers of stationary batteries and related systems to the extent that they affect the battery. Design of the dc system and sizing of the dc battery charger(s) are beyond the scope of this recommended practice. This document covers lead-acid and Nickel-Cadmium battery technologies.
This recommended practice provides guidance for the design of the dc auxiliary power systems for nuclear and non-nuclear power generating stations. The components of the dc auxiliary power system addressed by this recommended practice include lead-acid storage batteries, static battery chargers, and distribution equipment. Guidance for selecting the quantity and types of equipment, the equipment ratings, interconnections, instrumentation, control, and ...
This standard describes methods for qualifying static battery chargers and inverters for Class 1E installations outside containment in nuclear power generating stations. The application of this equipment in the plant’s electrical system is not within the scope of this standard as other industry standards, such as IEEE Std 308TM-2001 [B3],1 IEEE Std 603TM-1998 [B6] and IEEE Std 946TM-2004 [B8], exist ...
This standard establishes criteria for design analysis for qualification, quality, and reliability of rechargeable lithium ion and lithium ion polymer batteries for cellular telephone applications. Also included in the standard are: battery pack electrical and mechanical construction, packaging technologies, and pack and cell level charge and discharge controls and overall system considerations.