Search results for "elettrici"

showing 10 items of 959 documents

Wireless battery charging: E-bike application

2013

Nowadays, Inductive Power Transfer (IPT) represents a widely investigated issue with respect to modern battery charging methods, by providing a wireless solution. IPT is applied across a large variety of applications, from Watt to kWatt power levels. Although IPT features great benefits in terms of safety and comfort, the most significant drawback consists of a relatively poor power conversion efficiency. In this paper, a 100W wireless charging equipment for E-bikes which improves efficiency is proposed. Complete magnetic structure design, as well as transmitter and receiver efficient architectures, are deeply exposed. The efficiency of the designed solution is shown by simulation results.

Battery (electricity)Engineeringbusiness.industryTransmitterEnergy conversion efficiencywireless chargingElectrical engineeringSettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciPower (physics)contactless battery chargingbattery chargingMaximum power transfer theoremWirelessinductive power transferbusinessDrawback2013 International Conference on Renewable Energy Research and Applications (ICRERA)
researchProduct

E-bike battery charging: Methods and circuits

2013

Today, academic and industrial research is focused on innovative battery charging methods to ensure complete mobility of both handheld devices and electric vehicles. Wireless power transfer is actually the leading strategy even if efficiency related issues are to be solved for a successful marketing. In this paper, a wireless battery charging station is proposed for electric assisted pedal bikes. If compared with existing wireless solutions, the proposed system architecture improves power conversion efficiency of the charging equipment. The simulation model of the whole charging station is described in detail. The transmitter, receiver and inductive coupling circuits are described and desig…

Battery (electricity)Engineeringbusiness.industryvehicular and wireless technologieTransmitterElectrical engineeringwireless power transferTopology (electrical circuits)Settore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciCharging stationSystems architecturewireless battery chargingWirelessinductive power transferAutomotive batteryWireless power transferbusiness2013 International Conference on Clean Electrical Power (ICCEP)
researchProduct

Investigation of inductive coupling solutions for E-bike wireless charging

2015

Wireless charging of electric vehicle batteries is a major topic for academic and industrial research. The wireless charging is based on the inductive coupling between a primary coil, connected to the grid, and a secondary coil, connected to the vehicle battery. Wireless battery charging provides benefits in terms of comfort for the drivers, who should just park to start the charging operation, without needing to plug in the vehicle. Wireless charging is particularly convenient for E-bike users. For the bicycle charging, the inductive coupling should be implemented through a compact and light-weight solution. In this paper, different options of inductively coupled coils for E- bike charging…

Battery (electricity)Engineeringbusiness.product_categorybusiness.industryElectrical engineeringSettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciInductive chargingGridInductive couplingelectric vehicles inductive power transfer magnetic field simulation wireless chargingInductanceHardware_GENERALElectromagnetic coilElectric vehicleWirelessbusiness
researchProduct

Wireless battery charging for electric bicycles

2017

The contactless solution is increasingly spreading as method of battery charging for Electric Vehicles (EVs). The standard technology of contactless EV battery charging is based on the Inductive Power Transfer (IPT) between two coupled coils, one connected to the electrical grid and the other one connected to the rechargeable battery. The IPT provides benefits in terms of safety and comfort, due to the absence of a plug-in operation. In this paper, an overview on the IPT applied to the battery charging of electric bicycles is provided, with some general considerations on the technical implications. Moreover, a prototype of contactless battery charging for E-bikes is proposed and described.

Battery (electricity)IPTEngineeringbusiness.industryRenewable Energy Sustainability and the Environment020209 energyElectrical engineeringwireless power transferEnergy Engineering and Power Technology02 engineering and technologyContactless battery chargingSettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciElectrical gridSettore ING-INF/01 - ElettronicaSettore ING-IND/31 - Elettrotecnica0202 electrical engineering electronic engineering information engineeringWirelessMaximum power transfer theorembusiness
researchProduct

A heuristic approach for optimal operation of grid connected source-battery-load systems

2016

In the paper an optimal management procedure for a system composed of a renewable energy source, storage batteries and a load, permanently connected to a distribution network, is presented. The issue follows two objectives: a) maximum economic benefit for the system, and b) minimum energy exchange with the network. The operation cost of storage facilities, as well as the technical and economic constraints on power exchanges between the system and the network and the technical constraints about charging and discharging cycles of the batteries are considered. The effectiveness of the management procedure is numerically tested and the results are presented.

Battery (electricity)Mathematical optimizationWind powerComputer sciencebusiness.industryHeuristic020209 energy020208 electrical & electronic engineeringRenewable energy source02 engineering and technologyGridstorage batterieReliability engineeringRenewable energySettore ING-IND/33 - Sistemi Elettrici Per L'EnergiaState of chargeIntermittent energy source0202 electrical engineering electronic engineering information engineeringGrid energy storagebusiness
researchProduct

A 9-level three-phase multilevel converter with harmonic mitigation and integrated battery balancing

2019

In this paper, a 9 level three-phase multilevel converter with a harmonic mitigation control method and an integrated battery balancing algorithm for automotive purpose is proposed. Each level of the converter is composed by a buck-boost converter and an h-bridge in cascaded connection. The control algorithm is implemented to achieve the harmonic mitigation on the output voltage waveform and to maintain the battery input voltages balanced. The design and operation of the system is described, and simulation study is reported using Matlab/Simulink platform.

Battery (electricity)Multilevel Inverters; Total Harmonic Distortion (THD); DC-AC conversionSelective Harmonic Mitigation (SHM); Selective Harmonic Elimination (SHE); cell balancingComputer science020209 energyAutomotive industry02 engineering and technologySettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciSelective Harmonic Mitigation (SHM)Multilevel InvertersMultilevel Inverter0202 electrical engineering electronic engineering information engineeringElectronic engineeringWaveformMATLABcomputer.programming_languageSelective Harmonic Elimination (SHE)business.industryTotal Harmonic Distortion (THD)020208 electrical & electronic engineeringHarmonic mitigationcell balancingDC-AC conversionSelective Harmonic Mitigation (SHM)DC-AC conversionSettore ING-IND/31 - ElettrotecnicaThree-phasebusinesscomputerControl methodsVoltage
researchProduct

Efficient contactless power transfer system for EVs

2016

Based on the inductive power transfer (IPT), the contactless approach allows safe and comfortable operations of battery charging for Electric Vehicles (EVs). In this paper, a contactless system particularly suitable for E-bike battery charging is proposed. A practical realization of the system has been carried out, aiming at the system evaluation in terms of working and efficiency. Through a phase shift modulation, a power regulation has been implemented. The target power level is 100 W.

Battery (electricity)Power regulationbusiness.industryComputer science020208 electrical & electronic engineeringelectric vehicleElectrical engineeringSystem evaluation02 engineering and technologySettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciPower levelelectric vehicles; inductive power transfer; contactless charging; vehicle-to-grid.ModulationLogic gate0202 electrical engineering electronic engineering information engineeringcontactless chargingMaximum power transfer theoremComputerSystemsOrganization_SPECIAL-PURPOSEANDAPPLICATION-BASEDSYSTEMS020201 artificial intelligence & image processinginductive power transfervehicle-to-gridbusinessRealization (systems)electric vehicles
researchProduct

Experimental Investigation on Magnetic Field Effects of IPT for Electric Bikes

2018

The wireless power transmission (WPT) is increasingly representing a promising technology and an innovative solution, especially for the electric vehicles (EVs) battery charging. The inductive power transfer (IPT) is the standard technology of wireless charging: the energy transfer occurs between two magnetically coupled coils. The IPT-based battery charging is especially convenient for E-bikes and the physiological effects related to the generated magnetic fields should be estimated. In this context, this work presents a 200Â W prototype of wireless battery charger for E-bikes. In addition, the measurements regarding the surrounding magnetic field are given in detail in order to evaluate t…

Battery (electricity)Power transmissionbusiness.industryComputer science020209 energyMechanical Engineering020208 electrical & electronic engineeringElectrical engineeringEnergy Engineering and Power Technologymagnetic field02 engineering and technologySettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciMagnetic fieldSettore ING-IND/31 - ElettrotecnicaHardware_GENERALElectric bicycle0202 electrical engineering electronic engineering information engineeringWirelesswireless battery charginginductive power transferElectrical and Electronic EngineeringbusinessSettore ING-INF/07 - Misure Elettriche E Elettroniche
researchProduct

Wireless Power Transmission for house appliances: A small-scale resonant coupling prototype

2016

This paper presents a low cost prototype of wireless power transfer system based on resonant coupling. The system here proposed can be useful for house appliances battery charging systems: as a matter of fact, it consists mainly of two copper wire coils or windings, placed one in front of the other on the same axis. By exploiting the coils resonance coupling effect, electric energy can be transferred from the inductor coil to the receiver in order to charge the batteries. Low cost experimental tests demonstrated the effectiveness of the proposed wireless power transfer prototype, being it capable to reach an efficiency of about 80% and more along a distance of 30 cm.

Battery (electricity)Resonant inductive couplingEngineeringEnergy Engineering and Power Technology02 engineering and technologySettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciInductorbattery chargerHardware_GENERAL0202 electrical engineering electronic engineering information engineeringElectronic engineeringWirelessWireless power transferCouplingPower transmissionRenewable Energy Sustainability and the Environmentbusiness.industry020208 electrical & electronic engineeringElectrical engineering020206 networking & telecommunicationsWireless transmissionSettore ING-IND/31 - ElettrotecnicaComputer Networks and Communicationelectric house applianceHardware and ArchitectureElectromagnetic coilbusinessbattery charger; electric house appliances; Wireless transmission; Computer Networks and Communications; Hardware and Architecture; Energy Engineering and Power Technology; Renewable Energy Sustainability and the Environment2016 AEIT International Annual Conference (AEIT)
researchProduct

Analysis of a Fast Reserve Unit Behaviour with Additional Modular Synthetic Inertia Control

2021

The paper presents the results of a theoretical study on the behaviour of a battery storage system operated as a Fast Reserve Unit and equipped with additional synthetic inertia control. The Fast Reserve Unit is assumed connected to the transmission system of Sicily, operated as an isolated grid in order to show more clearly the effect of the Fast Reserve Unit intervention during a power imbalance. The unit is controlled also to provide synthetic inertia with a conventional control scheme and with a new scheme proposed by the authors and named “Modular Synthetic Inertia”. The latter has been conceived for offering a modular response as a function of the Rate of Change of Frequency, to avoid…

Battery (electricity)Scheme (programming language)Fast Reserve UnitComputer sciencebusiness.industrymedia_common.quotation_subjectSynthetic inertiaStorageTransmission systemFunction (mathematics)Modular designInertiaGridSettore ING-IND/33 - Sistemi Elettrici Per L'EnergiaControl theoryPrimary regulationPower engineeringbusinesscomputermedia_commoncomputer.programming_language
researchProduct