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Energy storage tram charging device


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CN210502289U

The utility model belongs to the technical field of urban rail electric drive system technique and specifically relates to a power battery energy storage formula tram charging device, include the tram that utilizes the pantograph to get electricity from the contact rail, the control system that charges for the energy supply, the on-vehicle energy storage management system who sets

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Supercapacitor and accelerating contact lines hybrid tram

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]. Briefly, an ACL is a short contact line extending from a stopping station, it is used to supply power to a train during dwelling and acceleration (as the train leaves the

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Energy Storage System Design for Catenary Free Modern Trams

The charging device for the supercapacitor is arranged in the base station and vehicle. 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 technical level of domestic tram development greatly and promotes the development

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Onboard energy storage in rail transport: Review of real

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. Experimental tests on the catenary/EDLC hybrid units showed a modest 1.6% reduction in the peak power demand from the overhead wire during accelerations due to

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Optimization of Energy Management Strategy and Sizing in Hybrid Storage

In order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial. This paper proposes an improved EMS with energy interaction between the battery and supercapacitor and makes collaborative optimization on both sizing and EMS parameters to obtain the best working performance of the hybrid

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Supercapacitor and accelerating contact lines hybrid tram

This makes them suitable as on-board energy storage devices in hybrid with accelerating contact lines. Since supercapacitors have low energy density, conventional supercapacitor-powered trams have charging infrastructure installed at every stopping station. This makes it easy and more convincing to have accelerating contact lines to reduce the

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Green Logistics Tram Charging and Path Optimization

The aim of this article is to investigate the optimization of electric vehicle charging and swapping for green logistics, as well as path planning considering urban impedance. We improved a road impedance function model suitable for urban road traffic in China to calculate the actual traffic time based on real-time traffic data and the intricate urban road environment.

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IET Intelligent Transport Systems

The state of charge (SOC) of on-board energy storage determines the reliability of the loop operation of the tram, and the operating capacity of the tram depends on the PSS, that is, the characteristics and capacity of on-board energy storage and the layout of the charging stations. In the design of the PSS, the cost of the PSS is a key factor

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Energy Storage Systems: Technologies and High-Power

Energy storage systems are essential in modern energy infrastructure, addressing efficiency, power quality, and reliability challenges in DC/AC power systems. Recognized for their indispensable role in ensuring grid stability and seamless integration with renewable energy sources. These storage systems prove crucial for aircraft, shipboard

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Overall capacity allocation of energy storage tram with ground charging

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 combination of ground-charging devices and energy storage technology to form a vehicle (with a Li battery and a

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Energy Efficiency Optimization of Collaborative Power Supply

To solve the challenge of low efficiency and high operation cost caused by intermittent high-power charging in an energy storage tram, this work presents a collaborative power supply system with supercapacitor energy storage. The scheme can reduce the peak power of the transformer, therefore reducing the grid-side capacity and improving the

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Optimisation of a Catenary-Free Tramline Equipped With

Catenary-free trams powered by on-board supercapacitor systems require high charging power from tram stations along the line. Since a shared electric grid is suffering from power superimposition when several trams charge at the same time, we propose to install stationary

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Optimal sizing of battery-supercapacitor energy storage systems

Traditional trams mostly use overhead catenary and ground conductor rail power supply, but there are problems such as affecting the urban landscape and exclusive right-of-way [5].At present, new energy trams mostly use an on-board energy storage power supply method, and by using a single energy storage component such as batteries, or supercapacitors.

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Recent developments and applications of energy storage devices

The controller can automatically control the state of charge of energy storage devices within the working area, including both metro trains and trams. The term ''energy storage devices'' refers to batteries, flywheels, EDLCs and HES devices. HES devices are very promising for future railway applications, because they combine the

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Energy Efficiency Optimization of Collaborative Power Supply

as the power supply for energy storage trams, the ground energy storage system for regen-erative braking energy, and the auxiliary starting device for internal combustion engines. A series of high-power charging system schemes for supercapacitors have been pro-posed in recent years [12–18]. The priority is to focus on the optimal design of

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Optimal sizing of battery-supercapacitor energy storage systems

A 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 has become an important issue in improving energy management efficiency. Therefore, the optimal sizing

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SRS: Innovative, safe and automatic charging for trams and

SRS is a conductive ground-based static charging system for trams or electric buses equipped with on-board energy storage. embedded in the road or track surface at the bus or tram stop. When the vehicle is stationary over the device, a current collector shoe lowers automatically and makes contact to charge the battery.

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Overall capacity allocation of energy storage tram with

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 combination of ground-charging devices and energy storage technology to form a vehicle (with a Li battery and a super capacitor) and a ground (ground charging pile) power system.

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Optimal 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 storage and an expense of

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CN215154055U

The utility model discloses an energy storage formula tram charging device and tram of remote wireless communication, the device includes: wireless communication system reaches charge control system and on-vehicle energy storage system through wireless communication system communication connection, and wireless communication system includes: the wireless

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On-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

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About Energy storage tram charging device

About Energy storage tram charging device

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