Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
A novel adaptive battery system with two battery sources is proposed to provide multiple output levels and increased benefits when integrated with multi-level inverters by improving the batteries' state of health (SOH) and state of charge (SOC). Applications of this topology include dynamic hybrid battery/inverter and photovoltaic/inverter systems. The system has been modeled and validated using Matlab...
Wireless sensor networks have found numerous applications in realistic environments. Typically, such networks are desirable to operate in several years without human maintenance. Yet main radio components on the conventional wireless sensors quickly consume most of the limited energy in the sensors, and thus considerably constrain the sensor lifetime. Recently, many low-power wake-up radios are designed...
This paper presents a novel control strategy for isolated multilevel inverters. This converter has been chosen due to the autonomy of each full bridge. Other advantage is the feasibility of handling the power by cell when there are changes in the batteries state of charge (SOC). In order to take advantage of these benefits, a control strategy has been developed. The main goal of the proposed solution...
Dynamic Wireless Power Transmission (DWPT) uninterruptedly charges the moving Electric Vehicles (EVs) through the powered roadway, providing a potential solution to the battery bottleneck. EVs need to obtain energy as much as possible to guarantee proper functioning. Meanwhile, it is necessary to fully utilize the powered roadway in order to economize energy and reduce paving cost. Based on the selected...
For the battery/super-capacitor hybrid system as the wireless power transfer system load, it is rarely discussed. In this paper, the characteristics of such a system are considered, a charging topology is proposed. And a control strategy is proposed to not only meet the requirements of the system energy output, but also maintain the high efficiency of the system based on rational design of power allocation...
This paper presents a study by simulation of the performance of two of the current topologies for the interconnection of batteries and supercapacitors in a Hybrid Energy Storage System with potential application in electric microgrids. Converters selection is made taking into account the most used topologies documented in the literature for the integration of storage technologies. Control strategies...
The integration of Battery Energy Storage Systems (BESS) into the power grids has been proposed as an effective solution for mitigating voltage and frequency instability problems arising from the integration of renewable resources with intermittent patterns. One of the most important applications of BESS is to restore an electric power system to operation without counting on the external transmission...
Vehicle-to-Grid (V2G) is an emerging technology resulting from the emergence of Electric Vehicles (EVs) and Renewable Energy Sources (RES). The energy stored in battery packs of EVs are a solution to the intermittency of RES. Therefore, design and control design of charging infrastructure for EVs are of high importance for the development of V2G. This paper presents a wireless charging infrastructure...
This paper studies the design, the sizing and the simulations of power conversion stages devoted to photovoltaic applications. A linearization method of the nonlinear characteristics of the load and the source around the maximum power point is presented. The sizing and modeling of six topologies of fundamental and developed DC/DC converters operating in continues conduction mode was detailed and implemented...
This paper introduces an interleaved DC/DC converter coupled with a Wireless Power Transfer (WPT) system to ensure charging function for the electric vehicles (EVs) batteries. The dynamic wireless power transfer system charging proposed and studied in VEDECOM institute is detailed. The innovative architecture based on an optimized magnetic coupler associated with a power electronic part is designed...
Hybridization of the homogeneous battery-only energy storage system (ESS) with supercapacitor (SC) has proved to be an effective solution for extending the battery lifetime and increasing the power capability of the ESS [1, 2]. However, the addition of the SC and associated DC/DC converter will increase the system weight and cost, thus nullifying the monetary gain resulting from the extension of battery...
This paper presents an integrated topology for on-board charger and driven of electric vehicle. Aiming at the existing issues of electric vehicle, the topology incorporates a charging circuit and a motor driven circuit to optimize the circuit structure, to reduce the circuit size and body weight, and to improve utilization elements. Consist of a dual-active bridge converter(DAB) and a three-phase...
This work is mainly dedicated to implementation of bidirectional DC-DC converter for DC storage systems in medium power Microgrid applications. Microgrids are gaining immense popularity in present day scenario due to availability of flexible power management strategies and cost effectiveness. DC Microgrid mainly consists of PV system and Battery system. Battery system plays very important role in...
This paper presents an isolated three-port ac-dc converter with vehicle-to-grid (V2G) reactive power capability. Port 1 of the proposed converter is interfaced with AC through a matrix converter while Port 2 and Port 3 are connected respectively to supercapacitor (SC) and battery. The SC can be charged by receiving active power from the AC grid, and can also provide reactive power to the AC grid when...
This work presents a six phase Switched Capacitor (SC) DC — DC converter for photovoltaic Energy Harvesting designed in a 130 nm CMOS process for commercial motes application and Internet of Things (IoT). It tracks the Maximum Power Point (MPP) of a commercial 3 cm × 3 cm 60 mW poly-crystalline photoelectric panel through switching frequency modulation aiming battery recharge. Open-circuit voltage...
The number of mobile device users increases every year. Each mobile device is usually equipped with a Li-ion battery having voltage that varies from a minimum of 2.7V to a maximum of 4.2V. Therefore, as the battery voltage decreases with time, a DC-DC converter is required for a regulated supply lower or higher than the battery voltage. A simple buck converter is not suited for this case, since step-up...
Lithium batteries are widely used in electric vehicles and renewable energy systems. The battery packs are very expensive, while the performances and life time both depend on the characteristics of the charging/discharging circuits and the equalization circuits. Based on bi-directional Buck-boost converter, this paper presents a new converter topology integrating the battery charging/discharging circuit...
This paper proposes a modified quadratic boost converter with high efficiency and reduced cost. This converter mainly comprises of the quadratic part. The newly proposed converter in this paper is compared with a quasi z source converter which is a quadratic boost converter. The current ripples, cost, efficiency, losses and the complexity of the converters are considered. The steady state analysis...
A model predictive control (MPC) for an onboard hybrid energy storage system (HESS) in Light Rail Vehicles is proposed. The HESS uses batteries and supercapacitors (SCs). The main objective of the controller is to reduce the system losses while maintaining the supercapacitors state-of-charge (SOC) in a suitable range. To do this, a hierarchical control (Master/Slave) is proposed: a master energy management...
Inductively power transfer systems are becoming increasingly popular in modern applications like electric vehicles. An essential part of these systems is the control algorithm. This algorithm enables the power transfer according to the battery conditions while ensuring the operation bounds in order to guarantee the battery reliability and durability. Most of the control algorithms found in the literature...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.