DOI: 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 Leoutsakos
Read MoreHybrid energy storage technology, which consists of lithium-ion batteries (LiB) and super capacitors (SC), is an effective way to ensure the safety of power supply and realize
Read MoreFig. 10 shows effects of PV array area and energy storage design on the performance of the rooftop PV system. As for the effect of the PV array area, SSR can be improved up to 31.6 % when A PV / A roof increases
Read MoreUnder time-of-use frameworks, battery energy storage design plays an important role in shifting the high-price grid load from the peak hours to off-peak
Read MoreIn this paper, to generate real-time train regulation strategies, a mixed-integer nonlinear programming (MINLP) model is developed for each decision stage
Read More2.3. State space The ''energy-saving'' design for metro vertical alignment means designing the number and positions of VPIs to reduce train traction energy consumption. Here, we define the current ''state'' s i after conducting ''action'' a i-1 as: (13) s i = x i-1, y i-1, x i, y i T x i ∈ 0, W, y i ∈-H, 0
Read MoreThe Los Angeles County Metropolitan Transportation Authority (LA METRO) subway provides service with up to six-car trains at up to 65 mph at five minute headways on weekdays. To reduce energy usage, LA METRO implemented a flywheel-based Wayside Energy Storage Substation (WESS), which reduces energy usage by
Read MorePublished in International Conference on 1 November 2011. Engineering, Environmental Science. In this paper, the feasibility of using stationary super-capacitors to store the metro network regenerative braking energy is investigated. In order to estimate the required energy storage system (ESS), a very simple model for metro network is
Read MoreThe Hybrid Energy Storage System (HESS) design developed for the Athens Metro combines efficiently the higher power density and (dis)charging cycles of supercapacitors (coping the high
Read MoreWith the accelerated urbanization in China, along with the growing scale of the metro transportation network, the energy consumption of metro systems continues to increase. To face the tough challenge of climate change, China has put forward the goal of peak carbon emissions by 2030 and achieving carbon neutrality by 2060. Energy
Read MoreSome papers have been written on stationary EES implementations, [4], [13]. SCs sizing is designed simply equating the maximum kinetic energy of the metro vehicles with the energy that can be
Read MoreOptimal Energy Management, Location and Size for Stationary Energy Storage System in a Metro Line Based on Genetic Algorithm October 2015 Energies 8(10):11618-11640
Read MoreMetro traction power measurements sizing a hybrid energy storage system utilizing trains regenerative braking January 2023 Journal of Energy Storage 57(6):106115
Read MoreMetro traction power measurements sizing a hybrid energy storage system utilizing trains regenerative braking. G. Leoutsakos, A. Deloukas, +5 authors. R.
Read MorePart 2: The rooftop solar PV potential is interpreted in Section 3.2, and the necessity of energy storage design is discussed in Section 3.3. Part 3: The circumstance, there existing idle land around the station, is considered, and a rooftop assisted PV power system, in addition to an optimization method, is presented for achieving a near-zero
Read MoreItpsilas a challenging task to take advantage of large baking energy of metro vehicles because of high power and high current. To save energy and stabilize voltage for the metro supply network, the new high power storage system is analyzed and the design process of charge and discharge unit which adopts non-isolated bi-directional
Read MoreD3QN algorithm was used to design an energy-saving metro vertical alignment. The alignment can be generated directly without the predefined number of VPIs, and the main research findings are as follows. (1) The results show that the D3QN-based design
Read MoreFocusing on the energy-conservation train operation issues, this paper proposes an effective real-time train regulation scheme for metro systems with energy storage devices. Specifically, to minimize train timetable deviation, passenger waiting and energy consumption, we formulate a mixed-integer nonlinear programming model to
Read MoreThe design of an Energy Storage System (ESS) based on SuperCapacitors (SCs) for Metro Network (MN) regenerative braking energy recovery system is investigated. A simulation tool is implemented in
Read MoreFocusing on the energy-conservation train operation issues, this paper proposes an effective real-time train regulation scheme for metro systems with energy storage devices. Specifically, to minimize train timetable deviation, passenger waiting and energy consumption, we formulate a mixed-integer nonlinear programming model to
Read MoreStorage can provide similar start-up power to larger power plants, if the storage system is suitably sited and there is a clear transmission path to the power plant from the storage system''s location. Storage system size range: 5–50 MW Target discharge duration range: 15 minutes to 1 hour Minimum cycles/year: 10–20.
Read MoreTo this end, several approaches are investigated to improve overall efficiency: improving the design of trains (reduction in mass, aerodynamics etc.), improving operations (optimisation of
Read MoreThe Hybrid Energy Storage System (HESS) design developed for the Athens Metro combines efficiently the higher power density and (dis)charging cycles of
Read MoreField measurements based energy storage system design with proven feasibility. •. Energy re-use of train braking energy using HESS, of 4-6 MWh/day per
Read MoreAbstract. This paper investigates the real-time optimal train regulation design for metro lines with energy-saving based on a model predictive control method. A traffic model is proposed for a metro single line with including both train traffic dynamic and passenger flow dynamic. Then, to simultaneously improve operational efficiency and
Read MoreDOI: 10.1016/j.cie.2018.02.019 Corpus ID: 68245744 Real-time optimal train regulation design for metro lines with energy-saving @article{Zhang2018RealtimeOT, title={Real-time optimal train regulation design for metro lines with energy-saving}, author={Huimin Zhang and Shukai Li and Lixing Yang}, journal={Comput.
Read MoreIn order to realize the recovery of the braking energy generated by high-power traction motors of the Metro vehicles and reduce the power of the UESS, this paper proposes a control strategy of UESS based on V-I droop characteristics.
Read MoreTo save energy and stabilize voltage for the metro supply network, the new high power storage system is analyzed and the design process of charge and discharge unit which adopts non-isolated bi-directional convertor is presented. Itpsilas a challenging task to take advantage of large baking energy of metro vehicles because of
Read MoreThe paper describes the measuring systems and methodology for acquiring traction power measurements on the on-board traction systems of two metro trains and three 750 V DC rectifier
Read MoreOne common workaround has been to place storage systems in the grid to harvest the braking energy and deliver it to an accelerating vehicle at a later moment. Still, this method is both expensive
Read MoreIn the next 25 years, Los Angeles County is going to grow exponentially, and will be faced with the task of increasing the capacity of the Metro system, as well as finding alternative energy solutions to reduce pollution. In order to conserve energy and reduce utility costs, L.A. Metro has integrated the VYCON REGEN system into the Red Line
Read MoreThis article compares the benefits and constraints of onboard and stationary energy storage systems (ESS) with the aim of reducing the overall energy consumption on a low DC
Read MoreAs the photovoltaic (PV) industry continues to evolve, advancements in metro energy storage design have become instrumental in optimizing the utilization of renewable energy sources. From innovative battery technologies to smart energy management systems, these solutions are transforming the way we store and distribute solar-generated electricity.
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