Schematic diagrams of different energy supplies for the catenary-free tram: (a) UC storage systems with fast-charging at each station (US-FC), (b) battery storage systems with slow-charging at ...
Get a quoteA hybrid energy storage system (HESS) of tram composed of different energy storage elements (ESEs) is gradually being adopted, leveraging the advantages …
Get a quoteEnergies 2018, 11, 752 2 of 17 given that if the supercapacitor''s energy density is too low and the configuration cannot be very large, so it lacks endurance. To further improve the energy density and power density as well as the endurance of the energy storage
Get a quoteSecondly, it introduces the core subsystems of ART tram vehicle structure, electrical system, and energy storage system. Thirdly, it focuses on analyzing the structure composition and control principles of the Automatic All-Wheel Steering System, which includes two key core subsystems: path tracking control subsystems and …
Get a quoteCurrently, hybrid-electric trains are generally based on dual-mode diesel/electric powertrains. However, the last decade saw an increasing interest in rail vehicles with onboard energy storage systems …
Get a quoteThis paper presents a control strategy for the power flow management of a wayside energy storage system based on a supercapacitor technology installed in a tramway network. The control is based on the management in real time of voltage levels at catenary point connections in order to optimize the energy flow among the running …
Get a quoteEMS determines the performance of the tram''s hybrid energy storage system, and the appropriate EMS can not only make the tram running safely and smoothly, but also …
Get a quoteEnergies 2018, 11, 752 3 of 17 The improved EMS Parameter optimization of EMS Sizing optimization Optimization of HESS for Tram Step 1 Step 2 Step 3 Figure 1. Optimization steps for hybrid storage ...
Get a quoteEnergy storage is the capture of energy produced at one time for use at a later time [1] to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electrical potential ...
Get a quoteSCs are mainly devoted on supplying fast peak loads produced by the tramway during acceleration, while the battery energy storage (BES) system provides large storage capacity [23]. In both cases, DC-DC converters are installed to properly operate the storage devices as well as keep catenary voltage constant [20] .
Get a quoteTo realize economical operation of a catenary-free tramline, we propose installing a stationary energy storage system (SESS) to assist the electric grid for trams charging. As the tram operation may not be fully aligned with a predetermined timetable, an economical coordination of the electric grid and the SESS under uncertain charging …
Get a quoteenergies Article Optimal Sizing of On-Board Energy Storage Systems and Stationary Charging Infrastructures for a Catenary-Free Tram Ying Yang 1, Weige Zhang 2, Shaoyuan Wei 2 and Zhenpo Wang 3,* 1 CRRC Zhuzhou Locomotive Co., Ltd., Zhuzhou 412001, China; [email protected] ...
Get a quoteoptimization on both sizing and EMS parameters to obtain the b est worki ng performance o f the. hybrid storage system. This paper de monstrates the whole process o f the improvement of the EMS ...
Get a quoteAt CAF Power & Automation we have developed the FREEDRIVE energy storage system, which enables catenary-free running. FREEDRIVE is a system based on ultracapacitors and/or Lithium batteries and has all the technological benefits of EVODRIVE. It is modular and easy to integrate in new and existing vehicles, whatever the manufacturer.
Get a quoteTrams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to enable a reasonable distribution of demand power among the storage elements, efficient use of energy as well as enhance the service life of the hybrid energy storage system (HESS). Thus, an …
Get a quoteThe authors in [14] focused on the importance of storage systems in tramway applications to store the energy generated during braking. This way, braking energy can be stored rather than dissipated in order to …
Get a quoteEnergy storage systems (ESSs) play a significant role in performance improvement of future electric traction systems. This paper investigates an ESS based on supercapacitors for trams as a reliable technical solution with considerable energy saving potential. Operating the ESS onboard a tram brings the following benefits: reduction of …
Get a quote1. Introduction There is a growing interest in ''green'' energy, prompted by both government regulations, and general interest amongst the population in achieving a low carbon future through the adoption of cleaner transportation (Rezvani et al., 2015, Brady and O''Mahony, 2011).).
Get a quoteSplit for a Tram with Hybrid Energy Storage Systems on a Signalized Route Zhuang Xiao, Pengfei Sun, Qingyuan Wang *, Yuqing Zhu and Xiaoyun Feng School of Electrical Engineering, Southwest ...
Get a quoteLine-voltage control based on wayside energy storage systems for tramway networks IEEE Trans Power Electron, 31 ( 1 ) ( 2016 ), pp. 884 - 899, 10.1109/TPEL.2015.2411996 View in Scopus Google Scholar
Get a quoteAbstract: This article focuses on the optimization of energy management strategy (EMS) for the tram equipped with on-board battery-supercapacitor hybrid energy storage system. …
Get a quoteIn order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial. This paper establishes a mathematical model of battery and supercapacitor, compares the topology used in trams. Using adaptive particle swarm optimization(PSO) to optimize the size of battery and …
Get a quoteTherefore, the optimal sizing method of battery-supercapacitor energy storage systems for trams is developed to investigate the optimal configuration of ESEs based on a constant power threshold. Firstly, the optimal sizing model of HESS taking size, mass, and cost of ESEs as a comprehensive objective function is established.
Get a quoteDOI: 10.1016/j.est.2023.109698 Corpus ID: 265287757 Energy management strategy optimization for hybrid energy storage system of tram based on competitive particle swarm algorithms The traction substation in conventional power supply systems for trams is a ...
Get a quoteThis article focuses on the optimization of energy management strategy (EMS) for the tram equipped with on-board battery-supercapacitor hybrid energy storage system. The …
Get a quoteEVODRIVE is an on-board system developed by CAF Power & Automation to maximise energy efficiency in rail transportation. At CAF Power & Automation we have developed the EVODRIVE energy storage system, based on ultracapacitors to recover the kinetic energy released on braking. This energy can be reused, improving the vehicle''s energy efficiency.
Get a quoteIn this paper, a self-adaptive multi-mode dynamic proportional control strategy for hybrid-energy-storage tramcar is proposed. With battery life and system efficiency as optimization objectives, power distribution between two sources is carried out by pseudo-spectral method. According to the optimization results, an on-line dynamic proportional EMS is …
Get a quoteBraking energy of trams can be recovered in storage systems. • High power lithium batteries and supercapacitors have been considered. • Storage systems can be installed on-board or along the supply network. • A …
Get a quoteMatching renewable generation intermittency to demand in an electricity supply system was the reintroduction of the Energy Storage System (ESS) technologies in the power systems [1]. Besides storing and smoothing renewable power, there are numerous advantages related to the advent of ESSs in the power systems.
Get a quoteA supercapacitor and accelerating contact line hybrid tram system is proposed. •. A tram consumes high energy during acceleration but, low energy thereafter. •. Supercapacitors can be charged fast but, they have low energy density. •. During acceleration, a tram draws power from accelerating contact line. •.
Get a quoteThe simulation results show that compared with the traditional proportional control strategy, the multi-mode dynamic proportional control Strategy for hybrid-energy-storage tramcar greatly improves the battery life and efficiency. In this paper, a self-adaptive multi-mode dynamic proportional control strategy for hybrid-energy-storage tramcar is …
Get a quoteEnergy management strategy optimization for hybrid energy storage system of tram based on competitive particle swarm algorithms. Zhenyu Zhang, Xiaoqing Cheng, …
Get a quoteHybridization of rolling stock vehicles with onboard energy storage systems in AC and DC electrification system is a realistic future trend that will transform the railway industry. In this emerging market even nowadays there are challenges related to the optimization of the storage system and its design, with the goal of minimizing TCO and fulfilling current …
Get a quoteThis PM decreases losses in OHL. Advanced PMs use tram position at known track line, stochastic model of other trams, fuzzy controller [3] or other control methods such as dynamic programming [4 ...
Get a quoteIn order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial.
Get a quoteRenewable Energy and Power Quality Journal (RE&PQJ) ISSN 2172-038 X, No.15 April 2017. An On-board Energy Storage System for Catenary Free Operation of a Tram. H. M. Al-Ezee, S. Tennakoon, I ...
Get a quoteTo this end, a novel optimization framework for planning hybrid storage systems (batteries + super-capacitors) for tramway applications on either wayside or on …
Get a quoteA supercapacitor and accelerating contact line hybrid tram system is proposed. A tram consumes high energy during acceleration but, low energy thereafter. Supercapacitors can be charged fast but, they have low energy density. During acceleration, a tram draws power from accelerating contact line.
Get a quoteThen the charger makes the storage charged with the constant charging current (I cha ) until the amount of energy used in the previous inter-station section is charged. The charging current can be ...
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