An energy saving control strategy that utilizing regenerative braking energy with on-board super capacitor (SC) is researched in the paper. The equivalent circuit model of the electrical train and the simplified model of the on-board SC are built. After modeling, the charge and discharge process of the SC is analyzed. Relating to the state of charge (SoC) of the SC,
بیشتر بخوانیدFlywheels will transform the surplus RBE energy into kinetic energy when a train applies regenerative brake, and convert the kinetic energy into traction energy for accelerating trains. The
بیشتر بخوانیدThe rational use of regenerative braking energy for urban rail transit trains directly affects the voltage safety of the traction power supply system and the electric braking function of the train. It is also of great significance for the implementation of train traction energy saving. This paper proposes a scheme of train regenerative braking ground absorbing
بیشتر بخوانیدThe regenerative braking energy utilization is a hot topic in energy saving optimization of train operation. When regenerative energy isn''t absorbed by other trains, there are three types for using it, the wayside energy storage system are one of the types. This paper mainly focuses on the efficient usage of regenerative energy to optimal the control
بیشتر بخوانیدThere are three major challenges to the broad implementation of energy storage systems (ESSs) in urban rail transit: maximizing the absorption of regenerative
بیشتر بخوانیدRegenerative braking systems (RBSs) are a type of kinetic energy recovery system that transfers the kinetic energy of an object in motion into potential or stored energy to slow the vehicle down, and as a result increases fuel efficiency. [2] These systems are also called kinetic energy recovery systems. There are multiple methods of energy
بیشتر بخوانید3942 Journal of Electrical Engineering & Technology (2023) 18:3941–3949 1 3 of regenerative braking energy. If reasonable recovery of this energy, and release back to the traction network when the train consumes electricity uphill,
بیشتر بخوانیدTechnology company ''s 1,500 Volt DC Enviline wayside energy storage system (ESS), a three-year project, captures braking energy and then returns it for the the acceleration of other trains which later use the same line section. The energy has been regenerated into electric energy for use on other trains, but it can also be sent
بیشتر بخوانید2576 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 69, NO. 3, MARCH 2020 Hierarchical Optimization of an On-Board Supercapacitor Energy Storage System Considering Train Electric Braking Characteristics and System Loss Zhihong Zhong, Student Member, IEEE, Zhongping Yang, Member, IEEE, Xiaochun Fang, Member,
بیشتر بخوانیدpaper focuses on the urban rail transit ener gy storage recycling method based on the. utilization of regenerative braking energy, studies the basic working principle of the. energy storage
بیشتر بخوانیدThe railway is one of the most energy-efficient modes of transport, which constituted 8% of passenger transport and 7% of freight movements globally in 2016 but only accounted for 2% of the energy used in the transport sector. Figure 1.1 shows the global final energy consumption in different sections [ 2 ]. Fig. 1.1.
بیشتر بخوانیدEnergy-Efficient Train Control with Onboard Energy Storage Systems considering Stochastic Regenerative Braking Energy. / Wu, Chaoxian; Lu, Shaofeng ; Tian, Zhongbei et al. In: IEEE Transactions on Transportation Electrification, 04.2024.
بیشتر بخوانیدElectrified railways are becoming a popular transport medium and these consume a large amount of electrical energy. Environmental concerns demand reduction in energy use and peak power demand of railway systems. Furthermore, high transmission losses in DC railway systems make local storage of energy an increasingly attractive
بیشتر بخوانید1. Introduction During the braking process of high-speed train, regenerative braking is the main braking mode, which will generate a mass of the RBE, and has great use value [1].Generally, there are three kinds of utilization schemes for the RBE: energy-feedback [2], [3], operation-optimized [4], [5] and energy storage [6], [7].
بیشتر بخوانیدTo reduce energy usage, LA METRO implemented a flywheel-based Wayside Energy Storage Substation (WESS), which reduces energy usage by capturing and reusing braking energy generated by trains when
بیشتر بخوانیدDOI: 10.1109/IECON.2017.8216671 Corpus ID: 26793143 Study on control strategy of urban rail train with on-board regenerative braking energy storage system @article{Liu2017StudyOC, title={Study on control strategy of urban rail train with on-board regenerative braking energy storage system}, author={W. Liu and Jiaxuan Xu and
بیشتر بخوانیدHowever, the intelligent energy management of the trains equipped with OESSs considering regenerative braking energy utilization is still rare in the field. This paper considers the stochastic characteristics of the regenerative braking power distributed in railway power networks.
بیشتر بخوانیدOn-board Energy storage system (ESS) permit trains to temporarily store their own braking energy and reuse it in the next acceleration stages []. On the other
بیشتر بخوانیدIn order to absorb the regenerative braking energy of trains, supercapacitor energy storage systems (ESS) are widely used in subways. Although wayside ESS are widely used, because of the influence of no-load voltage, and so on, a wayside ESS cannot absorb all the regenerative braking energy in some special cases,
بیشتر بخوانیدThe application of regenerative braking involve the availability of a load or a storage device (whose performances in electric vehicles have been investigated by
بیشتر بخوانیدAn energy storage system (ESS) in electric railways can be installed on a train, at trackside, or at substations. The main purpose of the ESS application is to reduce energy demand and peak power
بیشتر بخوانیدRailway electricity demand in systems internationally is rising because of (a) electrification of diesel services [1], (b) longer and more frequent trains in response to increased passenger demand, and (c) the higher power demands of modern rolling stock (improved acceleration and interior comfort, e.g. air conditioning) (Smulders, 2005).
بیشتر بخوانیدRecordings from the experimental campaign carried out on-board trainsets pulled by E.464 locomotives: (a) traces resulting from braking transient due to train arriving to the reference station; (b
بیشتر بخوانیدOne important bonus of railways comes from braking energy recovery. • Braking energy of trains can be recovered in storage systems. • High power lithium
بیشتر بخوانیدThe utilization of a supercapacitor energy storage system (ESS) to store regenerative braking energy in urban rail transit can achieve an energy-saving effect. This paper proposes a brake voltage following energy management strategy of ESS to adjust the charging and discharging threshold voltage based on the analysis of train operation
بیشتر بخوانیدMetro traction power measurements sizing a hybrid energy storage system utilizing trains regenerative braking January 2023 Journal of Energy Storage 57(6):106115
بیشتر بخوانیدMechanism for regenerative brake on the roof of a Škoda Astra tram The S7/8 Stock on the London Underground can return around 20% of its energy usage to the power supply. Regenerative braking is an energy recovery mechanism that slows down a moving vehicle or object by converting its kinetic energy or potential energy into a form that can be
بیشتر بخوانیدThe recovered energy shows a maximum in correspondence of a 20% braking request; however, this low value of the braking request involves that the braking distance and the braking time (respectively reported in Fig. 22, Fig. 23) are quite high, beyond the acceptable limits usually considered in high-speed applications.
بیشتر بخوانیدAs illustrated in Figure 4(a), the flywheel, the alternator and the "sun gear" of the "epicyclic gear train" share a common shaft whereas the satellite and the ring gears in the epicyclic gear train is driven by a thin disk. All these components are encased releases all its
بیشتر بخوانیدWith the increasing scale of urban rail transit, the energy waste cause at a train''s electric braking has been also growing. Usage of an on-board energy storage device [60, 61] provides an
بیشتر بخوانیدStep 2: Apply the 2N driving strategies one by one to the train model (1)- (5) to calculate their energy consumption and running time (E i, t i ) under the mean value of the train mass using (6
بیشتر بخوانیدDOI: 10.1016/j.est.2022.106115 Corpus ID: 254329489 Metro traction power measurements sizing a hybrid energy storage system utilizing trains regenerative braking @article{Leoutsakos2023MetroTP, title={Metro traction power measurements sizing a hybrid energy storage system utilizing trains regenerative braking}, author={George
بیشتر بخوانید6.2.2 Track-Side Energy Storage SystemsA detailed analysis of the impact on energy consumption of installing a track-side energy storage system can be performed using a detailed simulation model, such as the one presented in Chap. 7, that incorporates a multi-train model and a load-flow model to represent the electrical network.
بیشتر بخوانیدThe main aim of this project is to develop a hybrid energy storage system employing regenerative braking and vibration-powered energy for a hybrid electric vehicle. A system has been designed involving improved regenerative braking using fuzzy logic controller and vibration powered energy harvester by piezoelectric ceramic plates. The system provides
بیشتر بخوانیدEnergies 2023, 16, 5117 3 of 24 Simulation results based on 24 h profile considering a single train movement together with breaking and acceleration events are provided to verify the above-mentioned goals. Therein, the size of the HESS is fixed, and the EV
بیشتر بخوانیدMeanwhile, based on the operation conditions of online running trains were known and analyzed, the energy flow between brake resistors and energy storage systems is
بیشتر بخوانیدThis paper proposes an energy storage system (ESS) for recycling the regenerative braking energy in the high-speed railway. In this case, a supercapacitor-based storage system is integrated at the DC bus of the back to back converter that is connected to the two power phases of the traction power system (TPS). In order to
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