Through a comparative analysis and compared with the existing pure supercapacitor "station charging" mode, the new capacity configuration scheme proposed in this study would reduce the average daily cost by 9.8% and save 10.64 million yuan in the overall cost. The charging power requirements would be reduced by 66.7%.
Get a quoteAn On-board Energy Storage System for Catenary Free Operation of a Tram H. M. Al-Ezee 1, S. Tennakoon 1, I. Taylor 1, D. Scheidecker 2 and J. Schweickart 2 1 School of Creative Arts and Engineering
Get a quoteSince 2016, tram vehicles running on the tramway line in Doha, Qatar, have been equipped with Sitras HES devices for catenary-free operation on the entire 11.5 km long route, with the storage system …
Get a quoteSince there is still a lack of a single energy storage element with high power density and energy density to meet the vehicle operation requirements [6,7]. A common solution for on-board power supply systems is to use two or more energy storage devices in combination to synthesize their respective advantages and optimize the …
Get a quoteThe low-floor trams will provide an increase in capacity to handle predicted population growth, and will improve accessibility by enabling the retirement of all existing high-floor trams by 2032. The order forms part of Victoria''s A$1·85bn Next Generation Trams Project, which will also include a purpose-built maintenance and stabling facility at …
Get a quoteECMS aims at representing the electrical energy from the energy storage system(ESS) such as the LB and UC to equivalent fuel consumption. For the hybrid tram herein, the control focuses on calculating the optimal FC power that minimizes the hydrogen consumption, C, which is the sum of the FC hydrogen consumption C fc (g/s) and the LB …
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. The purposes of the optimization are to prolong the battery life, improve the system efficiency, …
Get a quoteThis paper estimates the energy requirement for the Sheffield Supertram network, based on simulation of tram operations, utilising real GPS data of tram …
Get a quoteWhereas the commonly used ESS power management (PM) has been dealing only with PM without vehicle position knowledge, the main emphasis of the presented research is put on position-based Takagi-Sugeno fuzzy (T-S fuzzy) PM for human-driven trams with an ESS. The tram position, located by, e.g., a Global …
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 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 quoteThe tram runs on clean energy and can reuse 85 per cent of the energy regenerated from braking. Zhuzhou Electric Locomotive Co., based in Zhuzhou, Hunan Province, developed the first light rail train using supercapacitor energy storage technology in August 2012.
Get a quoteANFIS Battery & FC An energy management system based on Adaptive Neuro-Fuzzy Inference System (ANFIS) is proposed for microgrid consisting of a WT, PV, FC, electrolyzer and battery. The proposed ...
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 purposes of the optimization are to prolong the battery life, improve the system efficiency, and realize real-time control. Therefore, based on the analysis of a large number of …
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 quoteAs a result, the whole energy requirement of the tram can be supplied by the initial energy that the storage system brings and the charging energy that charging stations provide, as shown in eqn (13): 124 Computers in Railways XVI WIT Transactions on The
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 this paper an adaptive energy management strategy (EMS) based on fuzzy logic and the optimal sizing for a tramway with a hybrid energy storage system (ESS) combining batteries (BT) and ...
Get a quoteSchematic 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 quoteThis paper introduces an optimal sizing method for a catenary-free tram, in which both on-board energy storage systems and charging infrastructures are considered. To quantitatively analyze the …
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 ...
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 quoteA hybrid energy storage system (HESS) of tram composed of different energy storage elements (ESEs) is gradually being adopted, leveraging the advantages …
Get a quoteThis paper explores the possibility of using EV''s as temporary trackside energy storage systems on urban light rail systems through the use of bi-directional connection interfaces (chargers), which allow use of the vehicle battery in typical V2X scenarios. The paper uses the city of Sheffield (UK) Supertram network as an example …
Get a quoteA tram''s hybrid power system mainly consists of an energy storage system and a motor system. The motor system is connected to the DC bus through the inverter, whose power is all from the hybrid ...
Get a quoteHybrid energy storage system for rail vehicles. The Sitras® HES hybrid energy storage system will be used for rail vehicles and enables the storage of the braking energy and the operation without overhead contact line. It combines the advantages of powerful double-layer capacitors and traction batteries. Due to its modular design Sitras HES ...
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 quoteAs a result, the whole energy requirement of the tram can be supplied by the initial energy that the storage system brings and the charging energy that charging stations provide, …
Get a quoteThe work in [26] extends to multiple fuel cells, and realized 84 the power splits among multiple fuel cells by means of the equivalent fitting circle method, 85 and optimizes the power output of ...
Get a quoteAbstract—This paper describes a mathematical model of a tramcar which allows to simulate traffic on any tram track and allows to analyze energetic balance on the electrical power link without real energetic data measurement. The described mathematical model could be a useful tool for the design of an energy recovery system for a real tram ...
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 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 quoteEnergy storage resources management: Planning, operation, and business model. Frontiers of Engineering Management 2022, Vol. 9 Issue (3) 10.1007/s42524-022-0194-4. +.
Get a quoteThe on-board energy storage system was simulated as an RC equivalent circuit of a battery model. The parameters of R and C are 180mΩ and 211Farad consequently. During the charging phase of the on-board energy storage system, the nominal value of the high voltage side is 750V.
Get a quoteEach battery pack of the on-board battery energy storage system includes 324 series and 4 parallels. The capacity of the lithium titanate battery is 10 Ah. In the actual charging process, a battery pack is placed under a certain temperature condition. The maximum chargeable current is related to the state of charge.
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