1 Introduction In recent years, the energy storage devices have enough energy and power density to use in trains as on-board energy storage. The devices are for instance, a secondary battery and an Electric Double Layer Capacitor (EDLC). Above all, the EDLC has
This paper discusses the optimal operation of rail vehicle with on-board energy storage device minimizing total energy consumption. Until now, not enough research deals with the optimal control of the devices. The authors have developed the mathematical model ...
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.
Impact of On-Board Hybrid Energy Storage Devices on Energy-Saving Operation for Electric Trains in DC Railway Systems. / Zhang, Bolun; Lu, Shaofeng; Peng, Yang et al. In: Batteries, Vol. 8, No. 10, 167, 10.2022. Research output: Journal Publication › Article
This is especially dangerous for applications such as electric vehicles and energy storage systems, which use high-capacity and high-power battery packs. Overcurrent protection can detect and prevent this situation in time to ensure the safety of users and the environment.
Two results with and without on-board energy storage device are compared. These optimized results indicate that the total energy consumption is reduced by at least 0.35% by using the EDLC.
Integrating energy generation and energy storage into a single device bypassed the intermediate step of electricity generation and reduced the energy waste in the rectifying circuit. [ 55 - 57 ] One straightforward …
This paper presents an analysis on using an on-board energy storage device (ESD) for enhancing braking energy re-use in electrified railway transportation. A simulation model was developed in the programming language C++ to help with the sizing of the ESD. The simulation model based on the mathematical description has been …
Optimal Sizing of On-Board Energy Storage Devices for Electrified Railway System. 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 …
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 on …
One-cell BMS protection board: They provide protection and monitoring for a single battery cell, including functions like overcharge protection, over-discharge protection, and temperature monitoring. Multiple-cell BMS protection board: Designed for use with Lithium-ion battery packs containing multiple cells, and is typically used in e …
Most energy storage technologies are considered, including electrochemical and battery energy storage, thermal energy storage, thermochemical energy storage, flywheel energy storage, compressed air energy storage, pumped energy storage, magnetic energy storage, chemical and hydrogen energy storage. …
Energy storage device testing is not the same as battery testing. There are, in fact, several devices that are able to convert chemical energy into electrical energy and store that energy, making it available when required. Capacitors are energy storage devices; they store electrical energy and deliver high specific power, being charged, and …
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 …
Specific power versus specific energy of modern storage devices: Supercapacitor, Lead-acid, NiMH, and Li-ion battery technology. Note that the supercapacitors, NiMH, and Li-Ion batteries are based ...
Abstract: For improving the energy efficiency of railway systems, onboard energy storage devices (OESDs) have been applied to assist the traction and recover the regenerative energy. This article aims to address the optimal sizing problem of OESDs to …
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 …
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.
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 Electric Trains in DC Railway Systems"
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.
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 …
profile optimization with on-board energy storage devices: A dynamic programming based approach," Computers Industrial Engineering, vol. 126, pp. 149 – 164, 2018.
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 …
Index Terms-On-board energy storage device (OESD), optimal sizing, electrified railway systems, mixed integer linear programming (MILP), energy-saving View Show abstract... (Tan et al., 2018 ...
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
Lithium-ion batteries have been widely used in the power-driven system and energy storage system, while overcharge safety for high-capacity and high-power lithium-ion batteries has been constantly concerned all over the world due to the thermal runaway problems by overcharge occurred in recent years. Therefore, it is very …
From a system-level perspective, the integration of alternative energy sources on board rail vehicles has become a popular solution among rolling stock …
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].
Nevertheless, the development of LIBs energy storage systems still faces a lot of challenges. When LIBs are subjected to harsh operating conditions such as mechanical abuse (crushing and collision, etc.) [16], electrical abuse (over-charge and over-discharge) [17], and thermal abuse (high local ambient temperature) [18], it is highly …
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. …
method to save energy for wayside energy storage systems in dc electrified railway system," Electrical Engineering in J apan, vol. 196, no. 2, pp. 56–66, 2016.
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
With the increasing application of railway transportation, energy consumption of railway transportation rises dramatically, which in turn undermines its sustainability. Optimization on train speed profile and use of regenerative energy is becoming a feasible and applicable approach to achieve an energy-efficient operation without changing existing …
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.
Abstract. Energy storage has the potential to reduce the fuel consumption of ships by loading the engine (s) more efficiently. The exact effect of on-board energy storage depends on the ship functions, the configuration of the on-board power system and the energy management strategy. Previous research in this area consists of detailed …
The on board energy storage system with Ultracaps for railway vehicles presented in this paper seems to be a reliable technical solution with an enormous energy saving potential. Bombardier Transportation has equipped one bogie of a prototype LRV (light rail vehicle) for the public transportation operator RNV in Mannheim with a MITRAC …
INTRODUCTION. For improving the energy efficiency of railway systems, as an emerging application, on-board energy devices (OESDs) have been used in many existing urban …
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 …
Optimal Sizing of On-Board Energy Storage Devices for Electrified Railway Systems (Accepted for Publication to the IEEE Transactions on Transportation Electrification) May 2020 DOI: 10.13140/RG.2 ...
Section 7 summarizes the development of energy storage technologies for electric vehicles. 2. Energy storage devices and energy storage power systems for BEV Energy systems are used by batteries, supercapacitors, flywheels, fuel …
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 ...