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Optimization of Energy Management Strategy and Sizing in
PDF | In order to design a well-performing hybrid storage system for trams, optimization of energy management strategy (EMS) and sizing is crucial.
Optimization of Energy Management Strategy and Sizing in Hybrid Storage
First of all, due to the limited axle load of a tram, the weight of an on-board energy storage system should be limited to a certain extent to provide more passenger space. Second, a battery''s
Optimal sizing of battery-supercapacitor energy storage systems
Combined with the operation condition of the tram, the optimal sizing model of hybrid energy storage system is established. An improved PSO algorithm with competition mechanism is developed for obtaining the optimal energy storage elements.
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
Optimal Sizing of On-Board Energy Storage Systems
To improve the energy efficiency and meet the operation area without catenary, an on-board energy storage systems (OESS) has been utilized in urban transit [ 4, 5, 6 ]. For the tram
Lithium battery encountered "late spring cold", tram, energy storage
the first quarter results burst, lithium battery encountered "late spring cold". on April 25, after the opening of the-share market, the lithium-ion sector continued to weaken, with the share prices of several lithium-ion stocks falling sharply. long-term lithium-ion (688779.SH) "20cm" limit, while stocks such as zhongke electric (300035.SZ
siemenscomrailelectriication Sitras HES
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 can be adapted proj-ect specific to the according
Overall capacity allocation of energy storage tram with ground
Abstract: In recent years, the development of energy storage trams has attracted considerable attention. Our current research focuses on a new type of tram power supply system that combines ground charging devices and energy storage technology. Based on the existing operating mode of a tram on a certain line, this study examines the
Overall capacity allocation of energy storage tram with ground
Based on the existing operating mode of a tram on a certain line, this study examines the combination of ground-charging devices and energy storage technology to form a
Comprehensive integration of Onboard Energy Storage systems in tramways: Birmingham tram
Hybridization of rolling stock vehicles with onboard energy storage systems in AC and DC electrification system is a realistic future trend that will transform the railway industry. In this emerging market even nowadays there are challenges related to the optimization of the storage system and its design, with the goal of minimizing TCO and fulfilling current
Tram vehicles with lithium-ion energy storage for operating
The energy storage enables a largely catenary free operation of the vehicles. With omitting of the catenary the acceptance by citizens and town planers can be improve and costs of infrastructure
UK Tram
UK Tram is the authoritative voice of the light rail sector in the UK and Ireland. We represent operators, promoters, manufacturers, contractors and consultants involved not only in tramways and metros but also the expanding ultra and very light rail and personal rapid transit sectors. Previous Governments have acknowledged the important role
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
Energy consumption optimization of tramway operation based
The operation interval is S9 – S10. The energy-saving effects of the three methods are apparent, and the BM-PSO model performs best. (3) Under the ideal working condition, the total energy consumption of the GA, classical PSO, and BM-PSO methods are 35.13 kWh, 34.99 kWh, and 34.32 kWh.
An On-board Energy Storage System for Catenary Free
An energy management system is required to propel the upon the level of energy stored, the load profile and the auxiliary energy requirements; and to ensure most efficient charging of the energy
Energy management strategy optimization for hybrid energy storage system of tram
DOI: 10.1016/j.est.2023.109698 Corpus ID: 265287757 Energy management strategy optimization for hybrid energy storage system of tram based on competitive particle swarm algorithms The traction substation in conventional power supply systems for trams is a
Optimization of Energy Management Strategy and Sizing in
Before the design and optimization of hybrid storage system, the power and energy requirements during operation should be firstly acquired. The information can
COLLABORATIVE OPTIMIZATION OF MANAGEMENT
whole energy supplied in charging stations, the whole energy requirement of tram and the whole energy loss, respectively. If the hybrid storage system is installed on the tram, it
Energy management strategy optimization for hybrid energy storage
Trams with energy storage are popular for their energy efficiency and reduced operational risk. An effective energy management strategy is optimized to
Stochastic optimization of a stationary energy storage system
To realize economical operation of a catenary-free tramline, we propose installing a stationary energy storage system (SESS) to assist the electric grid for trams charging. As the tram operation may not be fully aligned with a predetermined timetable, an economical coordination of the electric grid and the SESS under uncertain charging
Stationary and on-board storage systems to enhance energy and cost efficiency of tramway
To realize economical operation of a catenary-free tramline, we propose installing a stationary energy storage system (SESS) to assist the electric grid for trams charging. As the tram operation may not be fully aligned with a predetermined timetable, an economical coordination of the electric grid and the SESS under uncertain charging
Research on Sizing Method of Tram Vehicle Hybrid Energy Storage
The aim of the proposed approach is to minimize the daily operating cost of the tramway taking into account the degradation of the energy storage systems and fulfilling the performance of the
EV''s as energy storage on urban light rail systems — A synergy of
The energy use of the tram system was calculated from the tram operating parameters, measured operating profiles and overall system timetable. Measured operating data suggests that the characteristics of an individual journal remains broadly the same as other journeys carried out at similar times of day and days of the week.
The Charging Control Scheme of On-board Battery Energy Storage
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 supply network on the urban landscape and the problem of large line loss and limited braking energy recovery, modern trams in some cities use on-board energy storage
Technical and economic feasibility of increasing tram system
This paper estimates the energy requirement for the Sheffield Supertram network, based on simulation of tram operations, utilising real GPS data of tram
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
Operation Optimization & Control Method Based on Optimal Energy and Hydrogen Consumption for the Fuel Cell/Supercapacitor Hybrid Tram
The work in [26] extends to multiple fuel cells, and realized 84 the power splits among multiple fuel cells by means of the equivalent fitting circle method, 85 and optimizes the power output of
Optimization of Energy Management Strategy and Sizing in
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
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 On-board Energy Storage System for Catenary Free
2. Power Delivery Technologies A. On-board Energy storage options . Batteries: A battery is a collection of electro-chemical cells either parallel or series connected to obtain a required power
Hybrid tram energy management based on PMP
The simulation results show that the energy management strategy based on PMP can ensure the normal operation of tram. Keep the bus voltage of hybrid energy storage tram within a reasonable range
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
Tram simulation model for energy balance analyses
Finally, MT is A. General Overview defined as a mechanical moment, which depends on the The mathematical model of the tram was assembled to elevation β of the tram track. obtain the energy balance data during the operation of one tram or of their group on the defined track without a requirement to C. Electrical Part measurement or any special
Comparative analysis of two hybrid energy storage
The paper proposes the comparative study of two hybrids energy storage system (HESS) of a two front wheel driven electric vehicle. The primary energy storage is a Li-Ion battery, known for its high energy density. Whereas the secondary energy storage could be either an UC or a FES, chosen for their high power densities and cycle life.
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 of Energy Management Strategy and Sizing in Hybrid Storage System for Tram
Energies 2018, 11, 752 2 of 17 given that if the supercapacitor''s energy density is too low and the configuration cannot be very large, so it lacks endurance. To further improve the energy density and power density as well as the endurance of the energy storage
Hybrid Energy Storage Trolley System Configuration
In current hybrid energy storage tram researches, the life cycle cost and operating electricity cost of the energy storage system are optimized, In real operations of the tram, the choosing of parameters needs to meet the requirements of space size and operation cost. Therefore, a method is needed to optimize the matching parameters of
A Hybrid Energy Management Strategy based on Line Prediction
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.
Autonomous-rail Rapid Transit Tram: System Architecture
According to the tram weight requirements, both the power bogie and non-powered bogie have a load capacity of ≥9 t, a steering angle ＞17°, and the overall output torque of the power bogie is greater than 48,000 N·m. Additionally, the system must meet the AW0 state, allowing for a 10% slope climbing operation. 3.1.6. Energy
Operation Optimization & Control Method Based on Optimal Energy
For the speed optimization method, according to the energy consumption function of the tram in different operating stages, the distribution of the energy consumption of each section is obtained
Supercapacitor and accelerating contact lines hybrid tram system
1.2. Accelerating contact lines and previous works. To reduce required size of On-Board Energy Storage Device (OBESD), Accelerating Contact Line (ACL) and on-board battery storage hybridization concept was presented in [9, 10] iefly, an ACL is a short contact line extending from a stopping station, it is used to supply power to a train
Optimal Sizing of On-Board Energy Storage Systems and Stationary Charging Infrastructures for a Catenary-Free Tram
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 storage and
An On-board Energy Storage System for Catenary Free
An On-board Energy Storage System for Catenary Free Operation of a Tram H. M. Al-Ezee 1, S. Tennakoon 1, I. Taylor 1, D. Scheidecker 2 and J. Schweickart 2 1 School of Creative Arts and Engineering
