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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 …
A VPP is a combination of distributed generator units, controllable loads, and ESS technologies, and is operated using specialized software and hardware to form a virtual …
Traffic signal priority issues have been a research subject for several decades in Poland and worldwide. Traffic control algorithms have evolved considerably during this period …
An alternative is catenary free trams, driven by on-board energy storage system. Various energy storage solutions and trackside power delivery technologies are explained in …
In order to ensure the safe and stable operation of a tram that works without a traction network supply, the onboard hybrid storage system should be designed and optimized …
As the sole power source of the tram, the battery pack can supply power to the traction system and absorb the regenerative braking energy during electric braking to recharge the energy storage system. The traction system mainly consists of the inverter, traction motor, gearbox, and axle.
1 Faculty of Transportation Engineering, Kunming University of Science and Technology, Kunming, China; 2 China Railway Construction Yunnan Investment Co., Ltd., Kunming, China; …
However, trams may face expensive battery replacement costs due to battery degradation. Therefore, this paper proposes a multi-objective optimization method for the tram''s driving strategy to reduce operational energy consumption and extend battery life. The method describes the optimization problem as second-order cone programming (SOCP).
However, the last decade saw an increasing interest in rail vehicles with onboard energy storage systems (OESSs) for improved energy efficiency and potential catenary-free …
Compared with the traditional overhead contact grid or third-rail power supply, energy storage trams equipped with lithium batteries have been developed rapidly because of …
Therefore, the use of energy-storage traction power supply technology can achieve good results in urban construction [[3], [4], [5]]. Tram with energy storage is the …
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 …
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 …
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 …
The modern tram system is an important part of urban public transport and has been widely developed around the world. In order to reduce the adverse impact of the power …
energy for energy storage trams and solved the energy-efficient speed trajectory and operating energy consumption at a given time. Yan et al. (2018) proposed a method to reduce the …
Battery energy storage systems (BESS) are of a primary interest in terms of energy storage capabilities, but the potential of such systems can be expanded on the provision of ancillary services.
Compared with the traditional overhead contact grid or third-rail power supply, energy storage trams equipped with lithium batteries have been developed rapidly because of their advantages of flexible railway laying and high regenerative braking energy utilization.
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 …
Since a shared electric grid is suffering from power superimposition when several trams charge at the same time, we propose to install stationary energy storage systems (SESSs) for power …
Since a shared electric grid is suffering from power superimposition when several trams charge at the same time, we propose to install stationary energy storage systems (SESSs) for power supply network to downsize charging equipment and reduce operational cost of the electric grid.
The tram''s energy storage system hinges on lithium iron ... The operation lines already in deployment overview see Fig. 25. Download: Download ... Leveraging applications …
energy during catenary free operation of trams and in recovering regenerated energy from braking. The energy consumption of a commercial tram for a total journey length of 13km has …
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. …
Life Science Engineering; Materials Engineering; Visit IET; IET Electrical Systems in Transportation. Volume 11, Issue 4 p. 279-309. REVIEW. Open Access. Onboard energy …
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