the DoD of the EV battery exploited for energy storage for the tram network could be regulated < 20% • the life cycle of the EV battery for this application is at a reasonable value of 6,000 • the life cycle is directly inversely proportional to
Read MoreThis paper examines the possible placement of Energy Storage Systems (ESS) on an urban tram system for the purpose of exploring potential increases in operating efficiency through the examination of different locations
Read MoreOverall benefits of the internal energy stations in the regional integrated energy system were meticulously analyzed, considering system benefits, inter-station energy sharing, and energy storage. Research findings indicate, the regional integrated energy system constructed in this study exhibited superior energy-saving, carbon
Read MoreThe purpose of this paper is to explore the concept of utilising stationary Electric Vehicle (EV) batteries in a P&R facility to act as lineside energy storage for
Read MoreDOI: 10.1016/j.est.2023.108962 Corpus ID: 262201069 Optimal sizing of battery-supercapacitor energy storage systems for trams using improved PSO algorithm @article{Zhang2023OptimalSO, title={Optimal sizing of battery-supercapacitor energy storage systems for trams using improved PSO algorithm}, author={Zhenyu Zhang and
Read MoreThis 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
Read MoreThe air-conditioned trams have a maximum speed of 70 km/h and will be able to operate for at least 120 m without an external power supply using onboard energy storage. Show Fullscreen Hyundai Rotem told Metro Report International that it had more than achieved the customer''s energy efficiency requirements, helped by lightweight
Read MoreAbstract: Energy storage systems (ESSs) play a significant role in performance improvement of future electric traction systems. This paper investigates an
Read MorePDF | In order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial. This |
Read MoreCompared with traditional tram powered by a DC catenary, energy efficiency of the catenary-free tram can be enhanced considerably due to increased recuperation of braking energy [4], [5]. For traditional tramlines, the regenerative energy of the trams is not stored, but rather immediately delivered to adjacent trams that are in an
Read MoreIt is indeed expected that when some energy storage is installed along the line or on-board tram, energy recovery during braking can be enhanced. In fact, even when no enough load is present to adsorb energy from trains that are braking, the storage system can adsorb it, and deliver it at a different time, when enough load is present.
Read MoreA hybrid energy storage system (HESS) of tram composed of different energy storage elements (ESEs) is gradually being adopted, leveraging the advantages of each ESE. The optimal sizing of HESS with a reasonable combination of different ESEs
Read MoreThe 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
Read MoreIn 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
Read MoreBased on the existing operating mode of a tram on a certain line, this study examines the combination of ground-charging devices and energy storage technology to form a
Read MoreA 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.
Read MoreThe use of urban light rail networks to provide charging of EV''s at locations within a city, and the use of the EV''s as trackside energy storage to capture regenerated energy from trams leads to a win–win scenario, increasing the availability of EV charging, whilst improving the efficiency of the urban light trail systems.
Read MoreTrams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to
Read MoreTherefore, 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.
Read MoreWith the development of the photovoltaic industry, the use of solar energy to generate low-cost electricity is gradually being realized. However, electricity prices in the power grid fluctuate throughout the day. Therefore, it is necessary to integrate photovoltaic and energy storage systems as a valuable supplement for bus charging stations, which
Read MoreThrough 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%.
Read MoreWith modern technology and energy storage facilities, they developed a compact ''unplugged substation''. The Energy bank is identical to a classical rectifier station in terms of characteristics, but it is not connected to the electricity grid.
Read MoreIn 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
Read MoreAbstract: This article focuses on the optimization of energy management strategy (EMS) for the tram equipped with on-board battery-supercapacitor hybrid energy storage system.
Read MoreSecondly, 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 trajectory
Read Moreenergies 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]
Read MoreIn order to improve the dynamic performance of tram, the hybrid energy storage system with battery and supercapacitor has become a hot research direction. EMS determines
Read MoreEnergy 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
Read MoreEnergy management in Siemens ''Combino Plus'' multimodal tram vehicles when rolling on non-electrified sections: (I) acceleration power is supplied by supercapacitors; (II) cruising/coasting power is supplied by batteries; (III) regenerative braking recharges].
Read MoreTrams 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).
Read MoreThe 100 MW Dalian Flow Battery Energy Storage Peak-shaving Power Station, with the largest power and capacity in the world so far, was connected to the grid in Dalian, China, on September 29, and it will be put into operation in mid-October. This energy storage project is supported technically by Prof. LI Xianfeng''s group from the
Read Moreenergies 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]
Read MoreThis article proposes a rolling optimization strategy (ROS) based on wavelet neural network prediction and dynamic programming (DP) for tram equipped with on-board battery-supercapacitor hybrid energy storage system, and proves the rationality of using RB strategy to replace ROS strategy entirely or partially in some scenarios. This
Read MoreRenewable 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
Read MoreSubsequently, this study designs two energy storage systems (ESSs), the EV energy storage system (EVESS), which solely exploits EV batteries for energy storage, and the
Read MoreThere are two kinds of non-grid power supply technologies: sectional ground power supply technology and on-board energy storage technology. The more commonly used is on
Read MoreProfessor Sheila Rowan, Physical Secretary of the Royal Society, said: "The need for urgent action on large-scale, long-term energy storage should not be under-estimated. Demand for electricity is projected to approximately double by 2050 and, according to the government''s own targets, that demand will be mainly met by wind and
Read MoreAs the photovoltaic (PV) industry continues to evolve, advancements in tram responds to energy storage station have become instrumental in optimizing the utilization of renewable energy sources. From innovative battery technologies to smart energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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