The Future of Rail – Analysis
The regions with the highest share of electric train activity are Europe, Japan and Russia, while North and South America still rely heavily on diesel. Passenger rail is significantly more electrified than freight in almost all regions, and regions with higher reliance on urban rail and high-speed rail are those with the largest share of passenger
Onboard energy storage in rail transport: Review of
Electric trains exhibit lower energy and maintenance costs compared to diesel trains and operate with zero local emissions.
Hydrogen fuel cell electric trains: Technologies, current status,
The Department of Energy of the US aims to increase the lifetime of fuel cells from 10,000 h in 2022 to 40,000 h in 2030 and ultimately 80,000 h [42]. As FCs are used in most of the commercial hydrogen train projects (as discussed in Section 4), we will focus on fuel cell electric trains.
ENERGY EFFICIENCY IN RAILWAYS: ENERGY STORAGE AND ELECTRIC GENERATION IN DIESEL ELECTRIC
ENERGY STORAGE IN RAILWAYS. Supercapacitors (SC), flywheels and Supermagnetics Energy Storage (SMES) are new components that can be used for short-duration energy storage [3],[4]. For example, the University of Texas at Austin Center for Electromechanics (UT-CEM) is currently developing an Advanced Locomotive Propulsion System (ALPS)
How Japanese trains are powered – JP by Rail
Conclusion. From high-capacity electric supply powering bullet trains at 200+ mph to compact diesel generators enabling rural line connectivity, Japan''s railways leverage a variety of energy sources tailored to service needs. With electrification rates nearing 100% nationally, Japan''s railway electricity usage is an often unnoticed
(PDF) Optimal Energy Management of Railroad Electrical Systems with Renewable Energy and Energy Storage
The hybrid energy storage systems include storage batteries and supercapacitors. The uncertainties associated with wind and solar PV powers are handled using probability distribution functions.
Next-generation battery-driven light rail vehicles and trains
Electric trains are more energy-efficient and generate fewer CO 2 emissions than other types of transportation systems. Next-generation light rail vehicles (LRVs) have been gaining momentum around the world because of great advancement of their low-floor design and low noise levels as well as passenger- and earth-friendly features.
Impact of On-Board Hybrid Energy Storage Devices on Energy-Saving Operation for Electric Trains
Batteries 2022, 8, 167 2 of 29 range of electric trains. Li-ion BATs-driven light rail has been applied in the West Japan railway [8] and Ni-MH BATs-driven was installed in France tramway [9]. Alternatively, SCs can achieve a high number of cycle lifetime, such as
Our Company
Introduction to ARES. Founded in 2010, Advanced Rail Energy Storage (ARES) has developed, tested and patented rail-based, gravity-powered energy storage technologies that are more environmentally responsible, durable, and cost-effective than other utility-scale storage alternatives. ARES technologies use no fossil fuel or water, produce zero
Train operation minimizing energy consumption in DC electric
Train operation minimizing energy consumption in DC electric railway with on-board energy storage device. K. Matsuda, H. Ko & M. Miyatake. Sophia University, Japan.
Energy Saving Speed and Charge/Discharge Control of a
The optimal operation of rail vehicle minimizing total energy consumption is discussed in this paper. In recent years, the energy storage devices have enough
Energy storage traction power supply system and control strategy for an electrified
In [], an example application and future view of an ESS for a DC electric railway in Japan was described. The authors in [28 – 30] presented a novel RPC based on SC energy storage, and an energy storage plan and control strategy were
Onboard energy storage in rail transport: Review of
In January 2005, the Central Japan Railway Company (JR Central) and Toshiba Co. installed an onboard experimental storage system based on EDLCs on the Series 313 trains operating on the electrified
Economic, environmental and grid-resilience benefits of converting diesel trains to battery-electric | Nature Energy
Using the energy requirement of 0.0345 kWh revenue-tonne-km –1 for LFP batteries, we estimate electricity prices necessary to achieve parity with diesel for a battery-powered train with a 241-km
(PDF) Onboard Energy Storage Systems for Railway: Present
OESD function in railway: (a) power assist, (b) regenerative braking, (c) traction and, (d) load leveling. Share of fuel cell manufacturers in railway projects and operating trains with OESDs
Major Japan railway now powered only by renewable
Tokyu Railways'' trains running through Shibuya and other stations were switched to power generated only by solar and other renewable sources starting April 1. That means the carbon dioxide
Tesla Megapack battery storage system enters Japan''s ancillary services market
A battery energy storage system (BESS) comprising Tesla Megapacks with output of 10.8MW and 43MWh storage capacity has gone into operation in Sendai, Japan. Tesla Japan announced last week (4 June) that the large-scale battery system has been installed and begun operation at the site of Sendai Power Station, which is in
Japan: CATL JV orders Hitachi Energy BESS for grid-scale project
Image: Hitachi. Construction is set to begin on a battery storage project in Japan through a joint venture (JV) involving CATL with utility Shikoku Electric Power. China-headquartered CATL – the world''s largest lithium-ion battery manufacturer – is in a JV with global energy and commodities trader Hartree Partners and metals and mining
Energy storage devices in electrified railway systems: A review
The redox flow battery (RFB) is an electrochemical energy-storage device that provides electrical energy using two active materials in liquid form. The two
Policies and Regulations for Electricity Storage in Japan
METI announced its strategy on storage batteries in July 2012. The strategy aims that Japanese companies acquire about half of the world''s storage battery market share by 2020. Within this share, a little more than one third is envisaged for large scale storage batteries. Market Size (trillion JPY) 35%. 25%.
Battery electric multiple unit
The Japanese lead the world in battery trains with at least 23 battery electric multiple units in regular operation, replacing diesel multiple units (DMU) on non-electrified routes or non-electrified sections of route. A battery electric multiple unit (BEMU), battery electric railcar or accumulator railcar is an electrically driven multiple unit or railcar whose energy is
Adaptive Eco-Driving Strategy and Feasibility Analysis for Electric Trains with On-Board Energy Storage
1 Adaptive Eco-Driving Strategy and Feasibility Analysis for Electric Trains with On-Board Energy Storage Devices Chaoxian Wu, Bin Xu, Shaofeng Lu*, Fei Xue, Lin Jiang and Minwu Chen Abstract—With the rapid progress in railway electrification and energy
Onboard storage in Japanese electrified lines
In this paper, the effective use of regenerating braking and the expected electricity storage technology for further energy conservation in the electric railway field will be outlined, with actual Japanese vehicles.
Recent Trend of Regenerative Energy Utilization in
In 2006, the first Lithium-ion battery in Japan was installed in traction power supply system by the West Japan Railway Company and now more than 20 energy storage systems have already
Energy Saving Speed and Charge/Discharge Control of a Railway Vehicle with On‐board Energy Storage
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.
East Japan Railway unveils hydrogen-powered train
Credit: TOYOTA MOTOR CORPORATION. East Japan Railway (JR East) has unveiled a hydrogen-powered test train that features a fuel cell system and storage batteries, according to Jiji Press. Said to be the first of its kind in Japan, the two-car hydrogen fuel cell hybrid train is named Hydrogen-Hybrid Advanced Rail Vehicle for
Energy storage devices in electrified railway systems: A review
3.2 Cycle efficiency Cycle efficiency, also known as round-trip efficiency, is the ratio of the output electrical energy to the input electrical energy as a percentage during a full charge/discharge cycle. Therefore, it is a key indicator of energy efficiency. According to [], the cycle efficiency of ESSes can be classified into three levels: very high
Optimal driving strategies for emergency operation of high-speed trains using on-board energy storage
When the train is in braking mode, electric drive system converts the mechanical energy at wheels to electrical energy at DC link. Part of the braking energy can be absorbed by auxiliary devices, and the rest of the energy is lost as heat, since the ESS is not allowed to be charged to improve operational reliability.
S pecial edition paper
East Japan Railway Company (JR East) installed an energy storage system using lithium-ion batteries for more effective regenerative energy utilization to the Haijima substation on the Ome Line and the Okegawa substation on the Takasaki Line and started its operation
Onboard energy storage in rail transport: Review of real
Abstract. Despite low energy and fuel consumption levels in the rail sector, further improvements are being pursued by manufacturers and operators. Their primary
Optimization of Train Speed Profile for Minimum Energy Consumption
The last two methods can also control the state of charge (SOC) of the energy storage devices. By showing some numerical results of simulations, the significance of solving not only optimal speed profiles but also optimal SOC profiles of energy storage are emphasized, because the numerical results are beyond the conventional qualitative
Traction Battery System:Rolling Stock System:Information
SCiB is utilized as a battery for storing energy regenerated from trains, and also as an emergency battery for supplying electric power to permit evacuation operation if the power supply is cut off. The battery system is utilized for the hybrid rolling stocks to reduce the total energy consumption of the rolling stock system compared to conventional systems.
Speed profile optimization of an electric train with on-board energy storage and continuous tractive effort
Electric traction system is the most energy efficient traction system in railways. Nevertheless, not all railway networks are electrified, which is due to high maintenance and setup cost of overhead lines. One solution to the problem is battery-driven trains, which can make the best use of the electric traction system while avoiding the high costs of the
Review of Regenerative Braking Energy Storage and Utilization Technology in Urban Rail Transit | SpringerLink
The flywheel energy storage (FES) system based on modern power electronics has two modes of energy storage and energy release. When the external system needs energy, the flywheel acts as the prime mover to drive the flywheel motor to generate electricity, and the flywheel kinetic energy is transmitted to the load in the form
Recent Energy Saving Technologies on Railway Traction Systems
Abstract Energy saving technologies in the railway vehicle traction field can be mainly categorized into 1-33, Yayoichyo, Inage-ku, Chiba 263-8522, Japan Electrical and Electronic Engineering Course, Graduate
Development of a simulation model for controlling energy storage systems on electric trains
The simulation is carried out with a time discretization of 0.01 s. The simulation model of an electric train consists of two head cars, two motor cars and one trailer car (Figure 2). A distinctive feature of motor cars is a controlled current source, with the help of which the operating modes of the electric train are set (traction, coasting
Review of Application of Energy Storage Devices in Railway Transportation
Ghaviha, M. Bohlin, and E. Dahlquist, “Speed profile optimization of an electric train with on-board energy storage and continuous tractive effort,†2016 International Symposium on Power Electronics, Electrical Drives,
