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 …
Abstract: Energy storage systems (ESSs) play a significant role in performance improvement of future electric traction systems. This paper investigates an …
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 …
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 …
Trams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to enable …
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.
Since 2016, tram vehicles running on the tramway line in Doha, Qatar, have been equipped with Sitras HES devices for catenary-free operation on the entire 11.5 km long route, with the storage system being …
An unknown driver knocked over a historic tram tower in Death Valley, California. Officials believe they used a winch to pull their vehicle out of mud, using the tower as an ''anchor.''.
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 …
Further indicators found in the literature may be derived from the above-mentioned indicators of travel time [7,14,16,52], tram travel time [13] (with variability) [12,51,52], and level of service ...
There are two kinds of non-grid power supply technologies: sectional ground power supply technology and on-board energy storage technology. The more commonly used is on-board energy storage technology. There are …
This article focuses on the optimization of energy management strategy (EMS) for the tram equipped with on-board battery-supercapacitor hybrid energy storage sy.
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. …
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 …
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 …
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
The tram position, located by, e.g., a Global Positioning System module, is used to predict future energy demands and power flows. This information is used in the …
This paper investigates an ESS based on supercapacitors for trams as a reliable technical solution with considerable energy saving potential and proposes a …
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 …