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tram tang energy storage
Optimization of Energy Management Strategy and Sizing in
In order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial.
An Energy Management Strategy for Hybrid Energy Storage
Hybrid Energy Storage Systems (HESS) are playing an increasingly important role in the process of electric vehicles and the HESS Energy Management Strategy (EMS) must achieve optimal power distribution results while guaranteeing the safe operation of the energy storage units. The state of power of batteries and
WEVJ | Free Full-Text | An Energy Management Strategy for Hybrid Energy Storage
Due to the continuous high traction power impact on the energy storage medium, it is easy to cause many safety risks during the driving process, such as triggering the aging mechanism, causing rapid deterioration of the battery performance during the driving process and even triggering thermal runaway. Hybrid energy storage is an
Energy management strategy of hybrid energy storage
Energy management strategy plays a decisive role in the energy optimization control of electric vehicles. The traditional rule-based and fuzzy control energy management strategy relies heavily on expert experience. In this paper, a genetic algorithm (GA)-optimized fuzzy control energy management strategy of hybrid energy storage
Optimal sizing of battery-supercapacitor energy storage systems
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. The optimal sizing of HESS with a reasonable combination of different ESEs has become an important issue in improving energy management efficiency. Therefore, the
Position-Based T-S Fuzzy Power Management for Tram With Energy Storage
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
Graphene-based hybrid materials and their applications in energy
Graphene attracts more and more scientists and researchers owing to its superior electronic, thermal, and mechanical properties. For material scientists, graphene is a kind of versatile building blocks, and considerable progress has been made in recent years. Graphene-based hybrid materials have been prepared by incorporating inorganic
Position-Based T-S Fuzzy Power Management for Tram With Energy Storage
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
Optimization for a fuel cell/battery/capacity tram with equivalent
1. Introduction. Trams, for their merits of comfortable, environmentally friendly, great passenger capacity, low energy consumption and long service life, are popular public transport in large and medium-sized cities [1].Proton Exchange Membrane (PEM) fuel cell (FC), due to higher efficiency than the traditional combustion engine and
An optimization framework for planning wayside and on-board hybrid storage systems for tramway applications
SCs are mainly devoted on supplying fast peak loads produced by the tramway during acceleration, while the battery energy storage (BES) system provides large storage capacity [23]. In both cases, DC-DC converters are installed to properly operate the storage devices as well as keep catenary voltage constant [20] .
Eco‐driving control for hybrid electric trams on a signalised route
The study proposes an integrated eco-driving method by minimising traction substations energy consumption with the SPaT information for a catenary-SCs hybrid electric tram. A detailed system model including dynamic losses of the TPS, on-board energy storage system, vehicle system, and signal system is established.
Optimal sizing of battery-supercapacitor energy storage systems
A hybrid energy storage system (HESS) of tram composed of different energy storage elements (ESEs) is gradually being adopted, leveraging the advantages
Position-Based T-S Fuzzy Power Management for Tram With Energy Storage
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
Energy Management Strategy for Hybrid Energy Storage 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
Energy management strategy optimization for hybrid energy
Trams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to
Energy Management Strategy of Hybrid Energy Storage System
Therefore, the hybrid energy storage systems (HESS) can have the advantages of high energy density and high power density at the same time, and achieve complementary advantages . Control strategies such as filter strategy, Haar wavelet strategy, dynamic programming, and neural network have been initially applied to energy
Energy management strategy of hybrid energy storage system
1 INTRODUCTION. Lithium-ion batteries perform well because they have the advantages of high-energy density, long life cycle, low self-discharge rate and long energy storage time, which can achieve large-scale storage of energy [].However, it has the disadvantages of slow response speed and low-power density, which makes it not
An adaptive multi-objective joint optimization
The electric propulsion ship with the hybrid energy storage system (HESS) has environmental friendliness and significant advantages in terms of low fuel consumption. Due to the high maneuverability and load fluctuation of vessels, marine HESS design problem is nonlinear and multi-objective. Aiming at HESS design problem with
Power management control strategy for hybrid energy storage system in a grid‐independent hybrid renewable energy
2 System description The grid-independent HRES, considered for investigation and as shown in Fig. 1, comprises RER-WECS and PV system, HESS–BESS and SCESS, DC dump load, and the AC load, both critical and non-critical, connected in the system through their respective controlled power electronic converters.
Optimal Sizing of On-Board Energy Storage Systems and
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
Eco‐driving control for hybrid electric trams on a
The energy saving problem for hybrid trams on a signalised route contains speed profiles optimisation considering the SPaT and power split with power plant voltage limitations. The motor torque
Integrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage
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.
Energy Storage System Design for Catenary Free Modern Trams
The trams with the energy storage system have been assembled and have completed the relative type tests. The energy storage system on the trams has been convinced to meet the requirements of catenary free tram network for both at home and abroad. This technology improves the technical level of domestic tram development greatly and
Energy management strategy optimization for hybrid energy storage
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 with high power density and energy density to meet the vehicle operation requirements [6, 7]. A common solution for on
A Hybrid Energy Management Strategy based on Line Prediction
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
An Energy Management Strategy of Hybrid Energy Storage
In order to mitigate the power density shortage of current energy storage systems (ESSs) in pure electric vehicles (PEVs or EVs), a hybrid ESS (HESS), which consists of a battery and a supercapacitor, is considered in this research. Due to the use of the two ESSs, an energy management should be carried out for the HESS. An optimal
Optimal Sizing of On-Board Energy Storage Systems
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
Review of Application of Energy Storage Devices in Railway
Other critical factors when selecting an on-board energy storage device include the sizing of the storage device (especially when it comes to EMUs) and safety issues (especially on passenger trains). storage devices can be used on-board railway cars for three main purposes: energy consumption Nima Ghaviha et al. / Energy Procedia
A Hybrid Energy Management Strategy based on Line Prediction and Condition Analysis for the Hybrid Energy Storage System of Tram
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
Review of Application of Energy Storage Devices in Railway Transportation
L. Long Zhou, X. Xisheng Tang, and Z. Zhiping Qi, "Control method for flywheel array energy storage system in energy harvesting from electric railway," in 2014 IEEE Conference and Expo Transportation Electrification Asia
Energy management strategy optimization for hybrid energy storage system of tram
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).
Optimization of Energy Management Strategy and Sizing in Hybrid Storage
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
Energy Management Strategy and Optimal Sizing for Hybrid Energy Storage
Energy management strategy (EMS) of hybrid energy storage systems has an essential mission of ensuring safety, enhancing reliability and improving system efficiency. This paper focuses on optimizing sizing of HESS and parameters of EMS simultaneously.
Optimal Sizing and Energy Management of Hybrid Energy Storage
Traction power fluctuations have economic and environmental effects on high-speed railway system (HSRS). The combination of energy storage system (ESS) and HSRS shows a promising potential for utilization of regenerative braking energy and peak shaving and valley filling. This paper studies a hybrid energy storage system (HESS) for
Energy management strategy of hybrid energy storage
The results show that the energy economy of electric vehicle at different temperatures (10 °C, 25 °C, 40 °C) correspondingly rose to 2.6%, 2.4%, 3.3% than those of non-optimization energy management strategy. HESS, which decreases the energy consumption by 2.6%, 2.4% and 3.3% at 10 °C, 25 °C and 40 °C, respectively.
An On-board Energy Storage System for Catenary Free Operation of a Tram
Renewable Energy and Power Quality Journal (RE&PQJ) ISSN 2172-038 X, No.15 April 2017. An On-board Energy Storage System for Catenary Free Operation of a Tram. H. M. Al-Ezee, S. Tennakoon, I
Integrated Optimization of Speed Profiles and Power Split for a Tram with Hybrid Energy Storage
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
Preparation, thermal properties and applications of shape
1. Introduction. Latent heat storage is one of the most efficient ways to store thermal energy. The advantages of the latent heat storage (LHS) in comparison with sensible storage are high heat storage density, small size of the system, and a narrow temperature change during charging and discharging processes.
