Opening Hour
Mon - Fri, 8:00 - 9:00
Call Us
Email Us
MENU
Home
About Us
Products
Contact Us
charging of on-board energy storage device
(PDF) Train Speed Trajectory Optimization With On-Board Energy Storage Device
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].
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.
Energy storage devices in electrified railway systems: A review
The high-energy device can be used as an energy supplier to meet long-term energy needs, while the high-power device can be used as a power supplier to satisfy short-term high power demands. Batteries and fuel cells are ESS devices that can be integrated into an HESS to meet the energy requirements in railway systems.
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,
Optimization of Speed Profile and Energy Interaction at
Train Vehicle with On-board Energy Storage Device Chaoxian Wu 1, Shaofeng Lu, Fei Xue, Lin Jiang 2 and Jie Yang 3 charging of the on-board ESD at station is also discussed.
Optimal speed control of a train with On-board energy storage
The optimal operation of a rail vehicle with on-board energy storage device minimizing energy consumption in catenary free mode is discussed in this paper. The solution includes quick charging
Onboard energy storage in rail transport: Review of real applications
Quick-charging tests were also conducted—the battery state of charge (SOC) increased by 20% to 95% for a charging time of 8 to 12 minutes, depending on the battery temperature. According to the authors, the experimental results demonstrated sufficient performance of the dual-source EMU on electrified and non-electrified routes.
(PDF) Optimization of Speed Profile and 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
Optimal speed control of a train with On-board energy storage for minimum energy
The optimal operation of a rail vehicle with on-board energy storage device minimizing energy The last two methods can also control the state of charge (SOC) of the energy storage devices.
Charge/discharge control of a train with on-board energy storage
CHARGE/DISCHARGE CONTROL OF A TRAIN WITH ON-BOARD ENERGY STORAGE DEVICES FOR ENERGY MINIMIZATION AND CONSIDERATION OF CATENARY FREE OPERATION 15.09.2008 M. Miyatake, K. Matsuda and H. Haga Sophia University, Japan INTRODUCTION Background Application of energy storage devices to railway It
Train Speed Trajectory Optimization with On-board
curves for the feed-forward charge/discharge control of energy storage systems on-board dc electric railway vehicles, " IET Electrical Systems in Transportation, vol. 5, no. 1, pp. 33–42, 2015.
Train Speed Trajectory Optimization With On-Board Energy Storage Device
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 on
Modeling and Estimation of Train Traction Characteristics Under Emergency Traction Considering On-board Energy Storage Devices
When the electric multiple units (EMUs) encounter a power supply failure, it is urgent to formulate a reasonable emergency traction strategy, and rely on the on-board energy storage device to pull to the nearby station as soon as possible. During emergency propelling, the train''s maximum traction force is affected by the maximum power of the
Optimization of speed profile and quick charging of a catenary free train with on-board energy storage
The optimal operation of a rail vehicle with onboard energy storage device minimizing energy consumption in catenary free mode is discussed in this paper.Miyatake et al. [22], [23] solves the
Optimal Sizing of On-Board Energy Storage Devices for
ified Railway SystemsChaoxian Wu, Shaofeng Lu*, Fei Xue, Lin Jiang and Minwu ChenAbstract—For improving the energy efficiency of railway sys-tems, on-board energy storage devices (O. SDs) have been applied to assist the traction and recover the regenerative energy. This paper aims to address the optimal sizing problem o.
Investigation on charging enhancement of a latent thermal energy
For a thorough understanding of the influence of the fin layout on the energy charge process, Fig. 11 compares the transient thermal energy storage (TES) capacity of a unit mass PCM for the different LTES devices. As shown in the figure, there is a very small difference in the TES capacity of per unit mass PCM for the LTES device
Joint optimization combining the capacity of subway on‐board energy storage device
Abstract. 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.
Efficiency constraints of energy storage for on-board power
Several general observations on the use of energy storage on-board ships can be made from the presented results: 1. Systems with electric transmission benefit more from the use of energy storage than systems with hybrid transmission, as there are less losses associated to the battery. 2.
Optimization of speed profile and quick charging of a catenary
DOI: 10.1109/ESARS.2010.5665216 Corpus ID: 42068293; Optimization of speed profile and quick charging of a catenary free train with on-board energy storage @article{Miyatake2010OptimizationOS, title={Optimization of speed profile and quick charging of a catenary free train with on-board energy storage}, author={Masafumi
Energy-efficient Train Control Considering Energy Storage Devices
The optimization of the train speed trajectory and the traction power supply system (TPSS) with hybrid energy storage devices (HESDs) has significant potential to reduce electrical energy consumption (EEC). However, some existing studies have focused predominantly on optimizing these components independently and have ignored the goal
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.
Energy Saving Speed and Charge/Discharge Control of a Railway
The optimal operation of rail vehicle minimizing total energy consumption is discussed in this paper. In recent years, the energy storage devices have enough
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.
On-Board and Wayside Energy Storage Devices Applications in
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 analysed benefits are the use of OESD and WESD as a source of supply in an emergency metro scenario to safely evacuate the passengers
Charge/discharge control of a train with on-board energy storage
The charging/discharging command of energy storage affects the energy consumption and may influences the optimal speed profile, the trajectory of a train in the velocity-position
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
Optimal Sizing of On-Board Energy Storage Devices for
For improving the energy efficiency of railway systems, on-board energy storage devices (OESDs) have been applied to assist the traction and recover the regenerative energy.
Optimization of Speed Profile and Energy Interaction at Stations for a Train Vehicle with On-board Energy Storage Device
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. With the increasing application of railway transportation, energy consumption of railway transportation rises
Energy storage onboard zero-emission two-wheelers: Challenges
The storage of hydrogen on board the vehicles is one of the major challenges that automobile constructors face when popularizing FC vehicles [4]. because a supercapacitor is a charge storage device with many advantages [167]. the exchangeable energy storage devices may be considered as an appropriate solution.
Off‐board and on‐board energy storage versus reversible substations in
The electromechanical efficiency of the trains in traction and braking modes, as well as the electrochemical efficiency of the storage system in charging and discharging modes have been set to 0.95. 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.
A Two-Step Method for Energy-Efficient Train Operation, Timetabling and On-Board Energy Storage Device
2 the supercapacitor, Li-ion battery and flywheel to obtain their optimal size [15] to minimize the energy consumption of the train operation. Also, the hybrid traction system with fuel cell and battery on rail vehicles is also investigated in
(PDF) On-Board Energy Storage Devices with
This paper presents an analysis on using an on-board energy storage device (ESD) for enhancing braking energy re-use in electrified railway transportation. the energy losses for ESD charging
(PDF) Optimization of Speed Profile and 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
Towards Smart Railways: A Charging Strategy for On-Board Energy
This article aims to develop the optimal driving strategy of electric trains with three popular types of energy storage devices, namely supercapacitors, flywheels,
Optimization of Speed Profile and Energy Interaction at Stations
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. With the increasing application of railway transportation, energy consumption of railway transportation rises
Modeling and Estimation of Train Traction
The excess part of the recovery is redirected to the contact network, where one part of it powers a low-power non-traction load while charging the storage device, and the other goes to the storage
(PDF) Optimal Sizing of On-Board Energy Storage Devices for Electrified Railway Systems
profile optimization with on-board energy storage devices: A dynamic programming based approach," Computers Industrial Engineering, vol. 126, pp. 149 – 164, 2018.
Train Speed Trajectory Optimization With On-Board Energy Storage Device
With the rapid development of energy storage devices (ESDs), this paper aims to develop an integrated optimization model to obtain the speed trajectory with the constraint of on
Optimization of speed profile and quick charging of a catenary free train with on-board energy storage
DOI: 10.1109/ESARS.2010.5665216 Corpus ID: 42068293 Optimization of speed profile and quick charging of a catenary free train with on-board energy storage @article{Miyatake2010OptimizationOS, title={Optimization of speed profile and quick charging of a catenary free train with on-board energy storage}, author={Masafumi
IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION 1 Optimal Sizing of On-Board Energy Storage Devices
For improving the energy efficiency of railway systems, as an emerging application, on-board energy devices (OESDs) have been used in many existing urban rail transit systems nowadays to
Impact of On-Board Hybrid Energy Storage Devices on
of on-board HESDs and train dynamics constraints [18]. 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] introduced the Mixed Integer Linear Programming (MILP) model to
Optimal Sizing of Onboard Energy Storage Devices for Electrified
This article aims to address the optimal sizing problem of OESDs to minimize the catenary energy consumption for practical train operations. By employing a
Onboard energy storage in rail transport: Review of
A relevant number of urban and regional rail vehicles with onboard batteries are in operation in Europe, America, and Asia at this time. Practical use of such storage devices has shown that energy savings,
