tram tram energy storage device model
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Energy-efficient tram speed considering the in uence of
Energy-efficient tram speed trajectory optimization considering the influence of the ... In the model, the constraints of tram movement, speed limits, and line conditions are considered ...
Aprende másOptimization of Energy Management Strategy and Sizing in …
The more commonly used is on-board energy storage technology. There are some similarities between a tram with on-board energy storage and an electric vehicle. However, there are also some differences. Trams have a large carrying capacity, high power and energy demand, and relatively fixed operating conditions. The common on-board energy …
Aprende másOptimal Sizing of On-Board Energy Storage Systems and …
This 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 trade-off between available charging time and economic operation, a daily cost function containing a whole life-time cost of energy …
Aprende másEnergy management and speed profile optimization for hybrid electric trams
Abstract —Hybrid electric trams equip with additional on-. board energy storage device s to improve the performance of. power sources. Both of optimal energy management and velocity. control are ...
Aprende másSimulation model of tram with energy storage system
The paper is concerned with description of the simulation model of the tram equipped by the energy storage system using supercapacitors. This paper is also concerned with the construction of the tram emulation with the energy storage system. The tram accumulates the kinetic energy into supercapacitors during vehicle braking. This …
Aprende másSupercapacitor and accelerating contact lines hybrid tram system
To reduce required size of On-Board Energy Storage Device (OBESD), Accelerating Contact Line (ACL) and on-board battery storage hybridization concept was presented in [9,10]. ... (m-files), taking a tram as a point mass. The model is based on effect-cause (backward) propagation. Tram longitudinal dynamics model, supercapacitor …
Aprende másAn On-board Energy Storage System for Catenary Free Operation of a Tram
Renewable 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 ...
Aprende másIntegrated Optimization of Speed Profiles and Power Split for a Tram …
A tram with on-board hybrid energy storage systems based on batteries and supercapacitors is a new option for the urban traffic system. This configuration enables the tram to operate in both catenary zones and catenary-free zones, and the storage of regenerative braking energy for later usage. This paper presents a multiple phases …
Aprende másOptimization of Energy Management Strategy and Sizing in …
A 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 ...
Aprende másSimulation model of tram with energy storage system
Abstract: The paper is concerned with description of the simulation model of the tram equipped by the energy storage system using supercapacitors. This paper …
Aprende másOverall capacity allocation of energy storage tram with ground …
Based 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 …
Aprende másAn optimal method of the energy consumption for fuel cell hybrid tram
It is clean, environmentally friendly and efficient. The regenerative braking energy can be recovered by the energy storage device. Effectively reducing transport energy consumption and operating costs. Therefore, it has important environmental and social benefits to research a method about braking energy recovery of fuel cell hybrid tram.
Aprende másOn-Board and Wayside Energy Storage Devices …
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. The …
Aprende másEnergy Storage System Design for Catenary Free Modern Trams
The energy storage system on the trams has been convinced to meet the requirements of catenary free tram network for both at home and abroad. This technology improves the …
Aprende másVehicle-to-grid application with hydrogen-based tram
The energy storage system is constituted of batteries and supercapacitors; its use is strictly related to the power and energy demands of the urban train. The mid-low energy and power variations, common features in trams, suggest the use of the lithium iron phosphate battery and electrochemical double-layer supercapacitor, so …
Aprende másOverall capacity allocation of energy storage tram with ground …
Abstract: In recent years, the development of energy storage trams has attracted considerable attention. Our current research focuses on a new type of tram power supply system that combines ground charging devices and energy storage technology. Based on the existing operating mode of a tram on a certain line, this study examines the …
Aprende más(PDF) On-Board and Wayside Energy Storage Devices …
storage devices and wayside energy storage device s in the light transport (metro and tram). The paper is structured as follows: in Section 2, the electrical solver equation s are presented, and
Aprende másEV''s as energy storage on urban light rail systems — A synergy of ...
Any energy recovered by an individual tram is initially returned to the tram network to be used by other tramcars within the same supply section, but in modern urban light-rail systems, where the distance between stops is relatively short, leading to more frequent braking events, significant energy can be lost due to the lack of other trams in ...
Aprende másSupercapacitor and accelerating contact lines hybrid tram …
Tram longitudinal dynamics model, supercapacitor model, contact line model, and energy management strategy (power dispatcher) are presented in this section. Simulation details For both trams (tram powered solely by supercapacitors (cap-Tram) and proposed supercapacitor-ACL hybrid tram (cap-ACL-Tram)), performance evaluation …
Aprende másAn optimal method of the energy consumption for fuel cell hybrid tram
In order to improve the energy utilization rate in the vehicle running process, an optimization method of the energy consumption and recycle based on fuel cell (FC)/supercapacitor (SC) hybrid tram is proposed in this paper. In the method, a tram operation energy management strategy based on Pontriagin''s minimum principle (PMP) …
Aprende másResearch on Sizing Method of Tram Vehicle Hybrid Energy …
In 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 …
Aprende másHybrid tram energy management based on PMP
topology of hybrid energy storage tram As shown in Figure 1, the basic structure topology of the tram system with battery and super capacitor hybrid energy storage is shown. The super capacitor is ...
Aprende másAutonomous-rail Rapid Transit Tram: System Architecture, Design …
This has created a brand-new urban rail transit model. This article first introduces the ART tram systems architecture, operating principles, applicable …
Aprende másApplication of Improved PSO Algorithms in Train Energy …
Abstract. Aiming at the optimization of energy management for energy storage trams, an improved PSO algorithm based on classical PSO algorithm is proposed in this paper. On the premise of determining the operation strategy and operating conditions, the dynamic analysis of tramcar is carried out, the energy-saving model of tramcar is …
Aprende másIntegrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage …
Then 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 ...
Aprende másModel-based investigation of an uncontrolled LTO wayside energy storage …
Wayside energy recovery systems (WERS), i.e. stationary energy storage systems that are connected to the tram grid, absorb this excess energy and thus improve the energy efficiency or increase voltage stability. Simulations of DC tram grids with WERS are an important tool to find the optimal system design and evaluate the operation.
Aprende másOn-Board and Wayside Energy Storage Devices Applications in …
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. The analysed benefits are the use of OESD and WESD as a source of supply in an emergency metro scenario to safely evacuate the passengers blocked in a metro train …
Aprende másEnergy-Saving and Punctuality Combined Velocity Planning for …
Autonomous-rail rapid transit (ART) is a new medium-capacity rapid transportation system with punctuality, comfort and convenience, but low-cost construction. Combined velocity planning is a critical approach to meet the requirements of energy-saving and punctuality. An ART velocity pre-planning and re-planning strategy based on the …
Aprende másEV''s as energy storage on urban light rail systems — A synergy of …
This paper explores the hourly energy balance of an urban light rail system (tram network) and demonstrates the impact of the use of EV''s as the only energy storage element within the tram network. The reduction in energy drawn from substations, together with the reduction in energy dissipated in tram dump resistors is used to …
Aprende másAutonomous-rail Rapid Transit Tram: System Architecture, Design …
Secondly, 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 …
Aprende másEnergy management and speed profile optimization for hybrid …
Hybrid electric trams equip with additional on-board energy storage devices to improve the performance of power sources. Both of optimal energy management and velocity control …
Aprende másOptimization of Energy Management Strategy and Sizing in …
In order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial.
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