In order to effectively improve the power quality and utilize railway regenerative braking energy in high-speed railway traction power supply system, this paper adopts the Modular Multilevel ...
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Energy storage systems play a key role in the cost-saving benefits of RTSEM by means of discharging during peak traction load periods and charging during regenerative braking …
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High-speed railway has the advantages of fast speed and large transportation volume, but it is also accompanied by huge power consumption. The …
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Abstract: In order to improve the regenerative braking energy (RBE) utilization, realize peak load shifting and reduce the negative sequence current in high-speed railway, a hybrid …
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Our team at Hitachi Energy has reimagined the way public and private railway operators move people and freight. Better yet, we''re partnering with YOU to bring this vision to life. Today, 33% of track miles around the world are electrified. As more cities look to adopt high speed rail electrification solutions and operators seek to reduce ...
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This paper first examines the energy consumption sources and energy-saving measures of high-speed trains (HSTs). Then presents the EETO in HSRs, including three categories: energy-efficient train control, energy-efficient train timetabling, and EETO considering train timetabling and driving strategy.
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Generally, there are three solutions to manage regenerative braking energy (RBE) in railway vehicles: Synchronizing the loads along the traction power …
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With the continuous expansion of high-speed railway network, the high energy consumption and low utilization rate of locomotive regenerative braking energy are becoming increasingly prominent. According to statistics [], the regenerative braking energy can reach more than 20% of the total traction energy when the train is running in the …
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The research uses a rail vehicle simulator, which has been developed to compute the drive train duty cycle typically seen in high-speed and commuter passenger services. Simulator output is placed into a series hybrid model that is optimized to preserve the charge state of the energy storage device, as used in a typical rail journey.
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High-speed railway regenerative braking energy is characterized by large power and energy. The use of the complementary performance of high-power-density supercapacitors and high-energy …
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ABB''s solutions contribute to sustainable and smart Mobility. ABB has a long history of providing innovative and energy-efficient technologies to the rail sector, manufacturing and servicing all components and subsystems in urban, intercity and high-speed networks for rail infrastructure and rolling stock. We also provide life-cycle service ...
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An Energy Storage System for Recycling Regenerative Braking Energy in High-Speed Railway. corresponding reference powers are listed in Table I. Where the Lmin and Lmax represent the upper and ...
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ing energy generated by high-speed railway can be recycled by a HESS consisting of traditional batteries and supercapacitors. In [ 18 ], the author attempted to integrate PV, wind power, and
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High-speed railway has the advantages of fast speed and large transportation volume, but it is also accompanied by huge power consumption. The development of energy storage technology provides new ...
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Different from the concept of energy consumption, the energy efficiency reflects the efficiency of using energy resource and the service-oriented business philosophy of railway transportation enterprises. The energy efficiency of high-speed train operation is mainly embodied in the operation stage of railway transportation system, but …
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In some studies using energy saving strategies in the literature; Chuang et al. calculated the optimal coasting speed of the train in order to minimize both the energy consumption and travel time ...
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High-speed trains can generally reach 300–350 km/h (190–220 mph). On mixed-use HSR lines, passenger train service can attain peak speeds of 200–250 km/h (120–160 mph). China''s most …
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Abstract: In order to decrease the fluctuation of pulse power and improve the power quality in high-speed electrical railway, superconducting magnetic energy …
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Huang et al. [14] synthetically tuned speed profiles and running times over each inter-station sector with on-board energy storage devices to maximize the use of regenerative energy. Zhao et al ...
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In this research work, the authors have developed two simulation models able to reproduce the behavior of high-speed trains when entering in a railway node, …
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The solutions of onboard and wayside storage systems for the braking energy are discussed and compared, and practical examples are given. Then, the achievements in transforming the existing DC ...
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Train energy-efficient driving aims at finding speed profiles and control commands to drive a train in an energy-efficient and punctual manner [6, 7]. Coordinating driving speed along a track with varying gradients, for example, decreasing train speed slightly while driving uphill and increasing speed at downhill segments, is beneficial for …
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rail | lithium. The lithium-ion battery system offers a high degree of flexibility through the use of high-power and high-energy modules. Tailored to your requirements, an optimal ratio between fast charging capability and range is thus realised. Based on the high-power or high-energy module, the voltage, current, power and energy ...
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This chapter gives a detailed review of the usage of intelligent technologies in different sectors of high-speed rail (HSR) systems. It focuses on the application of artificial intelligence and machine learning technologies in sections such as traffic management, maintenance, communication, and more. Download chapter PDF.
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In contrast, urban and high-speed rails have experienced rapid growth in passenger activity and track length, primarily due to unprecedented investments made in Asia. Between 2005 and 2016, high …
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The analysis proposed in [] is also relevant, where the case of using regenerative braking is examined for the new high-speed ETR 1000 train. The use of wayside energy storage devices, located in …
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1Considering high-speed train''s commercial speed of 200 km/h and above. For IEA modelling purposes, a high-speed train is considered to have a commercial speed of 250 km/h and above. CO2 emissions. Rail is the least emissions-intensive mode of passenger transport – its expansion will help reduce overall emissions.
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A two-layer energy management strategy based on fuzzy control for high-speed railway hybrid energy storage system is proposed. Discharge threshold can be …
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We have estimated the ability of rail-based mobile energy storage (RMES) — mobile containerized batteries, ... Rail-based mobile energy storage as a grid-reliability solution for climate ...
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High-speed trains are powered by traction power supply network, which transfers electrical energy from utility power grid to catenary systems. A power outage sometimes occurs on the traction power supply …
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