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information about on-board energy storage devices
Optimal Sizing of Onboard Hybrid Energy Storage Devices
This paper aims to address the optimal sizing problem of on-board Hybrid Energy Storage Devices (HESDs) which are installed to assist train traction and recover
Optimisation of reference state‐of‐charge curves for the
The charge/discharge control of OBESS''s (on-board energy storage systems) on-board DC electric railway vehicles based on the feed-forward data is proposed in this study. The feed-forward data, called the reference SOC (state-of-charge) curve, determines the SOC of an OBESS against the train position.
Optimal Sizing of Onboard Energy Storage Devices for Electrified
Abstract: For improving the energy efficiency of railway systems, onboard energy storage devices (OESDs) have been applied to assist the traction and recover
Joint optimization combining the capacity of subway
On-board energy storage devices (OESD) and energy-efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking energy (RBE) of subway
Onboard energy storage in rail transport: Review of real applications
The storage devices featured 600 Wh and 180 kW of rated energy and power, with a total weight of 430 kg and consequent specific energy and power of 1.4 Wh/kg and 418 W/kg, respectively. Experimental tests on the catenary/EDLC hybrid units showed a modest 1.6% reduction in the peak power demand from the overhead wire during
Impact of On-Board Hybrid Energy Storage Devices on Energy
In recent years, some studies considering both the on-board energy storage devices and the energy-saving operation for electric trains have become increasingly popular. Zhang et al. [19]
Impact of On-Board Hybrid Energy Storage Devices on Energy
To improve the energy-efficiency of transport systems, it is necessary to investigate electric trains with on-board hybrid energy storage devices (HESDs), which are applied to assist the traction and recover the regenerative energy. In this paper, a time-based mixed-integer linear programming (MILP) model is proposed to obtain the energy-saving operation for
Train Speed Trajectory Optimization With On-Board
With the fast development of technology of the energy. storage devices (ESDs), the paper aims to develop an integrated. optimization model to obtain the speed trajectory with the. constraint of
Energy Saving Speed and Charge/Discharge Control of a
Many works on the application of the energy storage devices to trains were reported, however, they did not deal enough with the optimality of the control of the devices. The authors pointed out that the charging/discharging command and vehicle speed profile should be optimized together based on the optimality analysis.
Joint optimization combining the capacity of subway on‐board energy
AbstractOn‐board energy storage devices (OESD) and energy‐efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking energy (RBE) of subway trains. EETT is less costly but has lower ceilings, whereas OESD, although expensive, maximizes the reuse of RBE. To make the
Free Full-Text | Impact of On-Board Hybrid Energy
At present, on-board hybrid energy storage devices (HESDs) were utilized in some modern railway systems, which can supply traction energy and recover regenerative energy to improve the
Optimization of Speed Profile and Energy Interaction at Stations
Considering both dwelling at stations and running in the inter-station sections, the paper proposes an integrated optimization model for reducing net energy consumption from the viewpoint of energy interaction among train, substation and on-board energy storage device (ESD), based on which the optimal train speed profile is also found.
Train Speed Trajectory Optimization With On-Board Energy Storage Device
Energy-efficient train operation involves four types of control: maximal traction, cruising, coasting, and maximal braking. With the rapid development of energy storage devices (ESDs), this paper
Train speed profile optimization with on-board energy storage
Aimed to increase usage of regenerative energy and stabilize voltage variation of traction supply grid, an energy-saving model with on-board energy storage
On-Board and Wayside Energy Storage Devices Applications in
• The use of on-board energy storage devices (OESD)—The OESD is located on the roof of th e train, the efficiency depends on the vehicle ch aracteristics and the type of storage technology
Off‐board and on‐board energy storage versus reversible substations in
The total accumulation system capacity is 7 kWh and the rated charging and discharging power of the on-board energy storage device is 1 MW. As regards the protection curves of the trains and the storage elements, the minimum and the regulation voltage of the train in traction mode ( V 1, V 2) have been set to 1980 and 2280 V.
A New Low-Frequency Oscillation Suppression Method Based
Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is
Interleaved bidirectional DC–DC converter for electric vehicle
Hybrid electric vehicles (HEVs) and pure electric vehicles (EVs) rely on energy storage devices (ESDs) and power electronic converters, where efficient energy management is essential. In this context, this work addresses a possible EV configuration based on supercapacitors (SCs) and batteries to provide reliable and fast energy
Onboard energy storage in rail transport: Review of
The storage devices featured 600 Wh and 180 kW of rated energy and power, with a total weight of 430 kg and consequent specific
On-Board Energy Storage Devices with Supercapacitors for Metro Trains—Case Study Analysis of Application Effectiveness
This paper presents an analysis on using an on-board energy storage device (ESD) for enhancing braking energy re-use in electrified railway transportation. Simulation results for a train with no
Energies | Free Full-Text | Modeling, Simulationand
On-board accumulation is slightly better in terms of efficiency because the losses in the DC system are slightly lower, but wayside energy storage can be more cost-effective since a single
Speed profile optimization of an electric train with on-board energy
Due to the high power consumption of electric trains, energy management of battery trains are crucial in order to get the best use of batteries. This paper suggests a general algorithm for speed profile optimization of an electric train with an on-board energy storage device, during catenary-free operation on a given line section.
Onboard Energy Storage Systems for Railway: Present and Trends
This article provides a detailed review of onboard railway systems with energy storage devices. In-service trains as well as relevant prototypes are presented, and their characteristics are analyzed.
Miroslaw LEWANDOWSKI | Warsaw University of Technology,
On-Board and Wayside Energy Storage Devices Applications in Urban Transport Systems—Case Study Analysis for Power Applications Article Full-text available Apr 2020 Petru Valentin Radu Miroslaw
Research and Optimization of Hybrid On-Board Energy Storage
Operation modes of rolling stock at mining enterprises are considered and analyzed. The justification of the need to replace it with a modern specialized electric locomotive for quarry railway transport, equipped with an asynchronous traction electric drive and an on-board energy storage system, is presented. The determination of the
Charge/discharge control of a train with on-board energy storage devices for energy
Some research projects on the application of the energy storage devices to railway systems have been reported in [1–6]. Most of them discussed reasonable circuit configuration and sizing of energy storage system,
Train Speed Trajectory Optimization with On-board Energy
2 Fig. 1. Schematic of the energy flow for a typical train with on-board ESD in the whole journey. The work is extended in [13] and the monotonicity assumption is avoided by the proposed distance-
Adaptive Eco-Driving Strategy and Feasibility Analysis for
With the rapid progress in railway electrification and energy storage technologies, onboard energy storage devices (OESDs) have been widely utilized in modern railway systems to reduce energy consumption. This article aims to develop the optimal driving strategy of electric trains with three popular types of energy storage
On-Board and Wayside Energy Storage Devices
This paper investigates the benefits of using the on-board energy storage devices (OESD) and wayside energy storage devices (WESD) in light rail transportation (metro and tram) systems. The
On-board Energy Storage Systems based on Lithium Ion
Storage technologies devices are very interesting solutions for improving energy saving and guaranteeing contemporaneously to enhance the electrical characteristics of Light Rail Transit (LRT) systems. Onboard Energy Storage System based on Lithium Ion Capacitor (LiC) devices represent a viable engineering solution for energy saving optimization.
(PDF) Onboard Energy Storage Systems for Railway: Present and
This paper provides a detailed review of onboard railway systems with energy storage devices. In-service trains as well as relevant prototypes are presented
Train Speed Trajectory Optimization With On-Board Energy Storage
Energy-efficient train operation involves four types of control: maximal traction, cruising, coasting, and maximal braking. With the rapid development of energy storage devices (ESDs), this paper
Joint optimization combining the capacity of subway on‐board energy
On-board energy storage devices (OESD) and energy-efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking energy (RBE) of subway trains. EETT is less costly but has lower ceilings, whereas OESD, although expensive, maximizes the reuse of RBE.
A comprehensive review of energy storage technology
This energy is subsequently stored in the form of electrical energy using an energy converter in a single energy storage device such as a battery, flywheel, ultracapacitor, or a hybrid energy storage device consisting of all of them. Download : Download high-res image (114KB) Download : Download full-size image; Fig. 7.
Onboard energy storage in rail transport: Review of real applications
From a system-level perspective, the integration of alternative energy sources on board rail vehicles has become a popular solution among rolling stock manufacturers. Surveys are made of many recent realizations of multimodal rail vehicles with onboard electrochemical batteries, supercapacitors, and hydrogen fuel cell systems.
Train speed profile optimization with on-board energy storage devices
DOI: 10.1016/j.cie.2018.09.024 Corpus ID: 53779331; Train speed profile optimization with on-board energy storage devices: A dynamic programming based approach @article{Huang2018TrainSP, title={Train speed profile optimization with on-board energy storage devices: A dynamic programming based approach}, author={Yeran Huang and
Miroslaw LEWANDOWSKI | Warsaw University of Technology,
This paper investigates the benefits of using the on-board energy storage devices (OESD) and wayside energy storage devices (WESD) in light rail transportation (metro and tram) systems.
Modeling, Simulationand Analysis of On-Board Hybrid Energy Storage
The total accumulation system capacity (E m a x S T O) was 7 kWh, and the on-board energy storage device rated charging and discharging power (P r a t e d, c S T O, P r a t e d, d S T O) was 1 MW. Regarding the protection curves of the trains and the storage elements, the minimum and the regulation voltage of the train in traction mode (
(PDF) Train Speed Trajectory Optimization With On-Board Energy Storage
Three typical types of energy storage devices has been widely investigated for OESS of trains, which are supercapacitors, NiMH batteries, and lithium-ion batteries [3, 4].
On-board Energy Storage Systems based on Lithium Ion
Onboard Energy Storage System based on Lithium Ion Capacitor (LiC) devices represent a viable engineering solution for energy saving optimization. The authors suggest a multi
Optimal Sizing of Onboard Hybrid Energy Storage Devices
With the fast development of energy storage technology, more applications of Energy Storage Devices (ESDs) have been found in rail transportation in recent years. This paper aims to address the optimal sizing problem of on-board Hybrid Energy Storage Devices (HESDs) which are installed to assist train traction and recover the regenerative
Train speed profile optimization with on-board energy storage devices
Regenerative energy, generated by the braking train, is considered to store into its individual on-board energy storage devices and provided for the follow-up traction operations. Some parameters, including the comfort criterion and increased train mass due to the installation of energy storage devices, are all taken into account in the energy consumption calculation.
Impact of On-Board Hybrid Energy Storage Devices on Energy
Figure 16. The motor power, TSSs power, discharge/charge power of on-board HESDs and SOC curves for cases 7–8. (a) case 7. (b) case 8. - "Impact of On-Board Hybrid Energy Storage Devices on Energy-Saving Operation for
Optimized configuration and economic evaluation of on-board energy
The on-board supercapacitor energy storage system for subway vehicles is used to absorb vehicles braking energy. Because operating voltage, maximum braking current and discharge depth of supercapacitor have a great influence on its rational configuration, there are theoretical optimum values based on the analysis of vehicle
