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 ...
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 …
Dynamic programming is often used to solve the global optimization problem of hybrid energy storage tram. However, the amount of calculation is too large, …
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 …
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 …
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 ...
Y., et al.: Multi-mode dynamic proportional energy management strategy for battery-supercapacitor hybrid energy storage system of tram based on pseudo-spectrum method. In: 2019 IEEE Transportation Electrification Conference and Expo, Asia ...
Energy storage systems (ESSs) are the key to overcoming challenges to achieve the distributed smart energy paradigm and zero-emissions transportation systems. However, the strict requirements are difficult to meet, and in many cases, the best solution is to use a hybrid ESS (HESS), which involves two or more ESS technologies. In …
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 …
When the regenerative braking energy is partially recycled, the configured energy storage system only recycles a part of its energy when encountering high-power regenerative braking energy. The power and capacity of the energy storage system don''t need to match the power and capacity of the regenerative braking energy at this time.
Reasonable power distribution between battery and supercapacitor in electric vehicles is a crucial problem to improve energy consumption and economy. An online energy management strategy based on model predictive control (MPC) is proposed in this paper. Firstly, a radial basis function neural network optimized by particle swarm algorithm is …
A hybrid powertrain configuration which includes multiple proton exchange membrane fuel cell (PEMFC) systems, batteries and supercapacitors (SCs) is designed for 100% LF-LRV tramway. According to ...
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 …
Abstract: 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 …
According to the 100 A monomer charging and discharging test, each single monomer will actually release energy of 22 Wh. The number of monomers assembled on the vehicle energy storage system is 2160. Therefore, the actual energy storage is 47.6 kWh. Fully Regenerative Braking Power Absorption of Traction System.
Electric vehicle (EV) is developed because of its environmental friendliness, energy-saving and high efficiency. For improving the performance of the energy storage system of EV, this paper proposes an energy management strategy (EMS) based model predictive control (MPC) for the battery/supercapacitor hybrid energy storage system …
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 ...
Optimal multi-objective capacity configuration of hybrid energy storage [J] Jan 2018. 180. li. Request PDF | On Apr 1, 2020, Ming Li and others published Research on Sizing Method of Tram Vehicle ...
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.
Real projects at Long Island, London and Madrid have evidenced the effectiveness of hybrid energy storage (HES) systems to notably improve the efficiency of tramway installations [9], [10], [11]. Despite the apparent importance of HESs in tramway applications, existing literature is mainly focused on operational tools, while planning …
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 …
The simulation results show that compared with the traditional proportional control strategy, the multi-mode dynamic proportional control Strategy for hybrid-energy-storage tramcar greatly improves the battery life and efficiency. In this paper, a self-adaptive multi-mode dynamic proportional control strategy for hybrid-energy-storage tramcar is …
This paper investigates an ESS based on supercapacitors for trams as a reliable technical solution with considerable energy saving potential and proposes a position-based Takagi-Sugeno fuzzy (T-S fuzzy) PM for human-driven trams with an E SS. Energy storage systems (ESSs) play a significant role in performance improvement of …
Trams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to enable …
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 …
Combined with the operation condition of the tram, the optimal sizing model of hybrid energy storage system is established. An improved PSO algorithm with …
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. •.
Another study in [30] partially including the possible grid connection issue for FC hybrid trams compared two energy control systems for a hybrid tramway in Cuenca, Ecuador. The first system used a combination of renewable energy sources (photovoltaic panels, hydrogen tank, grid, and grid battery), hydrogen charging stations, and the …
In this paper an adaptive energy management strategy (EMS) based on fuzzy logic and the optimal sizing for a tramway with a hybrid energy storage system (ESS) combining batteries (BT) and ...
Energy management strategy optimization for hybrid energy storage system of tram based on competitive particle swarm algorithms. Zhenyu Zhang, …
Matching renewable generation intermittency to demand in an electricity supply system was the reintroduction of the Energy Storage System (ESS) technologies in the power systems [1]. Besides storing and smoothing renewable power, there are numerous advantages related to the advent of ESSs in the power systems.
Abstract: In order to improve the system efficiency and operational economy of hybrid energy storage (HES) tramway under cycle conditions, this paper presents an energy …
Hybrid energy storage system for rail vehicles. The Sitras® HES hybrid energy storage system will be used for rail vehicles and enables the storage of the braking energy and the operation without overhead contact line. It combines the advantages of powerful double-layer capacitors and traction batteries. Due to its modular design Sitras HES ...
Collaborative optimization of energy management strategy and sizing for the hybrid storage system of tram Abstract: Energy management strategy and sizing are the key …
1. Introduction1.1. Motivation In electric vehicles (EVs) driving cycles, a single lithium battery system cannot provide instantaneous high power with a guaranteed long life (Dixon, Nakashima, & Arcos, 2010).Accordingly, hybrid energy storage systems (HESSs) have ...
Then the economic benefits when using the HESS and the single energy storage system are compared from the perspective of whether the regenerative braking energy is fully recycled or not. Finally, a simulation analysis with actual load of a high-speed railway station is performed.
A battery–supercapacitor hybrid energy-storage system (BS-HESS) is widely adopted in the fields of renewable energy integration, smart- and micro-grids, energy integration systems, etc. Focusing ...
With the increasing energy consumption of urban rail transportation, the on-board hybrid energy storage system, which integrates various energy storage …
Graber et al. [26] undertook a comprehensive study on the sizing and energy management of on-board hybrid energy storage systems (H-ESS) tailored for urban rail transit.
This paper describes a hybrid tram powered by a Proton Exchange Membrane (PEM) fuel cell (FC) stack supported by an energy storage system (ESS) composed of a Li-ion battery (LB) pack and an ultra-capacitor (UC) pack. This configuration allows the tram to ...
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. …