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An optimization framework for planning wayside and on-board …
To this end, a novel optimization framework for planning hybrid storage systems (batteries + super-capacitors) for tramway applications on either wayside or on …
Read More(PDF) Optimization of Energy Management Strategy and Sizing …
PDF | In order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial. This... | …
Read MoreEnergies | Free Full-Text | Optimal Sizing of On-Board …
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 …
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Each 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.
Read MoreA Hybrid Energy Management Strategy based on Line Prediction and Condition Analysis for the Hybrid Energy Storage System of Tram …
ANFIS 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 ...
Read MoreBattery Powered Trams | Hitachi Rail
The new technology is based on an onboard energy storage system (OBESS), with scalable battery capacity. It can be installed directly on the roof of existing trams - saving on costs, and visual impact – all while ensuring better environmental performance for a more sustainable society.
Read MoreComprehensive integration of Onboard Energy Storage systems in tramways: Birmingham tram …
Hybridization 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 …
Read MoreOptimization of Energy Management Strategy and Sizing in Hybrid Storage System for Tram …
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 ...
Read MoreAn optimization framework for planning wayside and on-board hybrid storage systems for tramway applications …
SCs 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] .
Read More[PDF] Optimal Sizing of On-Board Energy Storage Systems and Stationary Charging Infrastructures for a Catenary-Free Tram …
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, and results show that a daily-cost reduction over 30% and a weight reduction over 40% can be achieved. This paper introduces an optimal sizing method for a catenary …
Read More(PDF) Optimization of Energy Management Strategy and Sizing in Hybrid Storage System for Tram …
optimization 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 ...
Read MoreSiemens Develops New Energy Storage System for Trams
A -. Siemens has launched a new energy storage system, which reduces emissions by up to 80 metric tons of CO2 per year and enables trams to operate without an overhead contact line. The new Sitras HES hybrid energy storage system consists of two energy-storing components: the Sitras MES mobile energy storage unit (double-layer …
Read MoreEnergy management strategy optimization for hybrid energy storage system of tram …
DOI: 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 ...
Read More(PDF) Optimal Sizing of On-Board Energy Storage …
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 ...
Read MoreOptimization of Energy Management Strategy and Sizing in Hybrid Storage System for Tram
Energies 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
Read MoreOptimization for a fuel cell/battery/capacity tram with equivalent …
The hybridization of the fuel cell with the energy storage systems is realized for the tram. • A protype tram is tested based on an operation mode switching method. • An equivalent consumption minimization strategy is …
Read MoreResearch on Sizing Method of Tram Vehicle Hybrid Energy Storage System …
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 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 MoreIntegrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage Systems …
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 ...
Read MoreOptimal 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 …
Read MoreA Hybrid Energy Management Strategy based on Line Prediction …
Abstract: 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 MoreSupercapacitor and accelerating contact lines hybrid tram system
A 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 MoreMulti-mode Dynamic Proportional Energy Management Strategy for Battery-Supercapacitor Hybrid Energy Storage System of Tram …
In 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 MoreEnergy management strategy optimization for hybrid energy storage system of tram …
The characteristics of the energy storage equipment of the tram, which is the tram power supply system, will largely affect the performance of the whole vehicle. Since 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 ].
Read MoreHybrid Energy Storage Trolley System Configuration Optimization Method Taking into Account the Whole Life Cycle Cost of the ...
2.1 HESSThe hybrid energy storage tram in this paper uses lithium batteries and supercapacitors as power sources. The battery and the supercapacitor are connected to the DC bus through a bidirectional DC/DC converter, respectively. When the tram is on the ...
Read MoreIntegrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage Systems …
[email protected] .cn (X.F.) * Correspondence: [email protected] .cn Received: 10 January 2018; Accepted: 13 February 2018; Published: 25 February 2018 Abstract: A tram with on-board hybrid energy storage systems based on batteries and is a
Read MoreEnergy management strategy optimization for hybrid energy storage system of tram …
Trams 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 …
Read MorePosition-Based T-S Fuzzy Power Management for Tram With Energy Storage System …
Energy 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 MoreCOLLABORATIVE OPTIMIZATION OF MANAGEMENT …
EMS 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 …
Read MoreIntegrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage Systems …
energies Article Integrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage Systems on a Signalized Route Zhuang Xiao, Pengfei Sun, Qingyuan Wang *, Yuqing ...
Read More[PDF] Integrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage Systems …
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 …
Read MoreStochastic optimization of a stationary energy storage system for …
To 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 …
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