To this end, a novel optimization framework for planning hybrid storage systems (batteries + super-capacitors) for tramway applications on either wayside or on …
1 Introduction. Energy storage systems (ESS) are increasingly being used in electric traction as a means of more effectively utilizing regenerative braking energy which, in case of rail vehicles, is a significant part of energy taken from power system because of their large mass, or to maintain proper voltage [1].
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 ...
The hybrid energy storage system (HESS) composed of different energy storage elements (ESEs) is gradually being adopted to exploit the complementary effects of different ESEs [6]. The optimal sizing of ESEs in HESS is a very important problem that needs to be focused on, and a reasonable configuration scheme of ESEs can meet the …
The recently preserved ''Transport Matters'' from 1955 takes a look at how Wellingtonians got around. This was the decade when trams reached the end of the lin...
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 …
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 ...
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 ...
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 …
Simulation model of tram with energy storage system. Published in: 2013 International Conference on Applied Electronics. Article #: Date of Conference: 10-12 Sept. 2013. Date Added to IEEE Xplore: 21 October 2013. ISBN Information: Electronic ISBN: 978-80-261-0165-9. Print ISBN: 978-80-261-0166-6. ISSN Information:
6,673 reviews. #14 of 224 things to do in Wellington. Historic SitesTramsLookouts. Open now. 8:30 AM - 7:00 PM. Write a review. About. The highlight to any visit to Wellington is a trip on Wellington Cable Car. In just 5 minutes you will reach the top of the Botanic Garden where panoramic views of the city and harbour are the reward.
The common on-board energy storage system of trams includes a battery system, a supercapacitor system, a flywheel system, a hybrid system of an internal combustion …
Therefore, 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.
The first step proposes the improved EMS with energy interaction. The second step is to make optimization and obtain the optimal parameters in EMS. The third step is to make a …
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, and realize real-time control. Therefore, based on the analysis of a large number of …
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 …
This 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 …
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 reduce the loss and the operation cost.
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 …
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. …
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 …
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 supercapacitor. …
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.
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 …
Trams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to …
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 …
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 …
In order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial.
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 ...
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 …
The lithium titanate battery has the advantages of high power density and relatively long lifespan among different types of batteries, so it is popular among high power applications. After wide ...
Energy management strategy optimization for hybrid energy storage system of tram based on competitive particle swarm algorithms. Zhenyu Zhang, Xiaoqing Cheng, …
Split 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 ...
storage systems to improve their energy efficiency. Keywords: hybrid tram; multiple phases integrated optimization; signal control strategy; hp-adaptive pseudospectral method 1. Introduction Trams have been one of the most popular urban rail transit vehicles in
Overview. Wellington tramway network at its greatest extent, superimposed on the city as it is today. The Wellington tramway system (1878–1964) operated in Wellington, the capital of New Zealand. The tramways were originally owned by a private company, but were purchased by the city and formed a major part of the city''s transport system.
Zhuang Xiao & Pengfei Sun & Qingyuan Wang & Yuqing Zhu & Xiaoyun Feng, 2018. "Integrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage Systems on a Signalized Route," Energies, MDPI, vol. 11(3), pages 1 …
ECMS 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 …
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 …
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 …
International Conference on Renewable Energies and Power Quality (ICREPQ''17) Malaga (Spain), 4th to 6th April, 2017 Renewable Energy and Power Quality Journal (RE&PQJ) ISSN 2172-038 X, No.15 ...