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This paper proposes a subway energy regeneration model, based on control stops and train departures throughout his trip, with the use of energy from the regenerative braking in the drive system. The goal is to optimize the power consumption and improve efficiency, in view of sustainable management. Applying genetic algorithm to get
Model of subway railway generating equipment 4. Electric energy capture circuit design 4.1. Rectifier circuit design Because the voltage generated by vibration of piezoelectric materials on
Based on the route data of Beijing Yizhuang subway line, a set of energy-efficient speed trajectories with coasting control is applied in the simulation. The power flow in the network is calculated for a whole-day. System energy consumption is evaluated with regeneration turned on, and then turned off.
Consequently, this paper focuses on determining a robust timetable for the trains on the one hand, i.e., finding a better timetable to avoid delay propagation as much as possible in case of a
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On-board energy storage devices (OESD) and energy-efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking energy (RBE) of subway trains. EETT is less costly but has lower ceilings, whereas OESD,
Energy Storage. The Office of Electricity''s (OE) Energy Storage Division accelerates bi-directional electrical energy storage technologies as a key component of the future-ready grid. The Division supports applied materials development to identify safe, low-cost, and earth-abundant elements that enable cost-effective long-duration storage.
Temperatures can be hottest during these times, and people who work daytime hours get home and begin using electricity to cool their homes, cook, and run appliances. Storage helps solar contribute to the electricity supply even when the sun isn''t shining. It can also help smooth out variations in how solar energy flows on the grid.
Energy-efficient train driving strategy is an effective way to reduce the energy consumption of train operations. Based on the classic energy-efficient driving
AbstractUrban growth and the resulting highway congestion is driving up demand for rail transit. Rail, a significant component of transportation infrastructure, is critical to economic efficiency and is one of the least energy-intensive modes. However, Practical ApplicationsExcessive highway congestion and the resulting atmospheric pollution is
Abstract. Energy-efficient train driving strategy is an effective way to reduce the energy consumption of train operations. Based on the classic energy-efficient driving strategy approach, this paper studies the influence of the on-board energy storage on the optimal train driving strategy. Firstly, this paper applies the dynamic programming
The REGEN model has been successfully applied to the L.A. metro subway [7] as a Wayside Energy Storage Substation (WESS). It was reported that the system had saved $10-18 worth of traction energy
The 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
The paper suggests a control technique for improving energy saving in metropolitan trains equipped by energy storing devices. The most important feature of time scheduling of train''s movement in traction systems, is on time and satisfactory transportation of passengers, it can be shown that the consumed electrical energy could be optimized by proper design
The objective of this research was to optimize the number of locations of the energy storage devices and speed profiles. First, kinematic equations were applied to
He visited and researched at the school of mechanical engineering, Ryerson University in Canada as a visiting scholar for a year from 2010 to 2011. His research interests include solar energy storage, ground source heat pump, ground thermal energy storage, and building energy conservation technology.
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With this consideration, this paper particularly investigates a train timetable problem in a subway system, which is equipped with a series of energy storage devices at stations. A nonlinear integer programming model is formulated to maximize the utilization of regenerative braking energy.
Abstract. In subway systems, kinetic energy can be converted into electrical one by using regenerative braking systems. If regenerative energy (RE) is fully
On-board energy storage devices (OESD) and energy-efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking energy (RBE) of subway
With the development of urban rail transit, the energy consumption and carbon emissions of subway operation are increasing. How to reduce the energy consumption of subway operation, lower costs, and carbon emissions has become an important issue to be addressed in the subway industry. Energy feedback and ground energy storage
The utilization of regenerative energy (URE) is an important method for energy-efficient operation of URT. Regenerative braking is an energy recovery mechanism that slows down a moving train by converting its kinetic energy into electric energy. The electric energy can be utilized for other trains to accelerate in a cooperative way.
Abstract. On-board energy storage devices (OESD) and energy-efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking energy (RBE) of subway trains. EETT is less costly but has lower ceilings, whereas OESD, although expensive, maximizes the reuse of RBE.
Maximizing regenerative energy utilization (REU) through timetable optimization has become a hot topic recently. Considering the constraints of operation time for a subway
On-board energy storage devices (OESD) and energy-efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of regenerative braking energy (RBE) of subway trains. EETT is less costly but has lower ceilings, whereas OESD, although expensive, maximizes the reuse of RBE.
With this consideration, this paper particularly investigates a train timetable problem in a subway system, which is equipped with a series of energy storage devices at stations. A nonlinear integer programming model is formulated to maximize the utilization of regenerative braking energy. An effective algorithm is designed to obtain the
DOI: 10.1049/itr2.12248 Corpus ID: 251170045; Joint optimization combining the capacity of subway on‐board energy storage device and timetable @article{Wang2022JointOC, title={Joint optimization combining the capacity of subway on‐board energy storage device and timetable}, author={Xiaowen Wang and Pengfei Sun and Qingyuan Wang and Juxia
With this consideration, this paper particularly investigates a train timetable problem in a subway system, which is equipped with a series of energy storage devices
To obtain the optimal online driving strategy, this paper first establishes a dynamic model for a single subway train and further discretizes it concerning the
In subway systems, electrical trains can generate considerable regenerative braking energy while braking, and such energy can be fed back to the contact line for further reuse by other accelerating trains, or dissipated by heating resistors. In order to reduce the total energy consumption during the operations of trains, a critical problem involves how to enhance
Vycon Calnetix / LA Metro. Tenco and Vycon Calnetix designed, built, and integrated a highly successful flywheel based Wayside Energy Storage Substation (WESS) at the Red Line subway MacArthur traction power
： In subway systems, electrical trains can generate considerable regenerative braking energy while braking, and such energy can be fed back to the contact line for further reuse by other accelerating
On‐board energy storage devices (OESD) and energy‐efficient train timetabling (EETT) are considered two effective ways to improve the usage rate of
Vycon Calnetix / LA Metro. Tenco and Vycon Calnetix designed, built, and integrated a highly successful flywheel based Wayside Energy Storage Substation (WESS) at the Red Line subway MacArthur traction power station. Tenco designed the WESS controller and integrated WESS into Metro operations. The Tenco controller achieves the highest
Energy-Efficient Train Timetable Optimization in the Subway System with Energy Storage Devices In subway systems, electrical trains can generate considerable regenerative braking energy while braking, and such energy can be fed back to the contact line for further reuse by other accelerating trains, or dissipated by heating resistors.
This paper investigates a train timetable problem in a subway system, which is equipped with a series of energy storage devices at stations, and a nonlinear integer programming model is formulated to maximize the utilization of regenerative braking energy. In subway systems, electrical trains can generate considerable regenerative
Design of EMS determines the benefits of stationary super capacitor energy storage system in urban rail transit power supply system.. Control objectives of stationary super capacitor energy storage system vary at different time scales.. Layered management based on time scales can better meet control objectives. • Proposed multi-time scale
Energy storage platform: working on storage after 2030. In the current largely fossil energy supply, the Netherlands has large reserves of oil and gas as a buffer against unexpected events. But after 2030 a large part of our energy will come from offshore wind, to the extent that we will generate more electricity than we use.
With the rising energy prices and environment concerns, energy-efficient operation is paid more and more attention in the subway systems, which is one of the effective ways to reduce the operation cost and then improve the operation efficiency. There are many researches for energy-efficient operation on designing a reasonable timetable
Joint optimization combining the capacity of subway on-board energy storage device and timetable
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