An Integrated Energy-Efficient Operation Methodology for Metro Systems
Energies 13(22), pp. 1-17, 2020. We propose a model for optimising driving speed profiles on metro lines to reduce traction energy consumption. The model optimises the cruising speed to
These 4 energy storage technologies are key to climate efforts
Europe and China are leading the installation of new pumped storage capacity – fuelled by the motion of water. Batteries are now being built at grid-scale in countries including
Hybrid energy storage system and its
Hybrid 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 energy saving in metro by reusing the braking power.
Metro traction power measurements sizing a hybrid energy storage system
Preliminary results confirm the feasibility of the energy saving concept indicating a significant potential for the hybrid energy storage devices and subsequent energy re-use of
Control of metro-trains equipped with onboard supercapacitors
Energy storage system The energy storage system (ESS) based on SC as energy storage device, is installed onboard of the metro train for a total amount equal to the number of traction
Optimal stationary super-capacitor energy storage system in a metro
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
Evaluation of Strategies to Reducing Traction Energy
Increasing attention is being paid to the energy efficiency in metro systems to reduce the operational cost and to advocate the sustainability of railway systems. Classical research has studied the energy-efficient
Real-time train regulation in the metro system with energy storage
Focusing on the energy-conservation train operation issues, this paper proposes an effective real-time train regulation scheme for metro systems with energy storage devices.
Hybrid energy storage system and its
The experimental results show that HESS could stabilize the metro voltage within a safe voltage of 580 V and achieve 100% braking energy recovery by optimal energy distribution between two different types of energy
Energy-saving design and implementation in metro weak current systems
With the accelerated urbanization in China, along with the growing scale of the metro transportation network, the energy consumption of metro systems continues to increase.
Control of metro-trains equipped with onboard supercapacitors
A considerable reduction in consuming energy obtained for Cat Linh-Ha Dong metro line, Vietnam has been verified by simulation results on MATLAB and MAPLE software indicating that
Evaluation of Strategies to Reducing Traction Energy Consumption of
Increasing attention is being paid to the energy efficiency in metro systems to reduce the operational cost and to advocate the sustainability of railway systems. Classical
Characteristics and assessment of the electricity
Owing to the complexity of metros, the energy consumption characteristics of metro systems exhibit variability and the energy-saving management of the systems encounters challenges. To encapsulate the
6 FAQs about [Metro energy storage and energy saving system]
Are metro systems energy-saving?
Against the background of energy saving and emission reduction, energy-saving technologies of metro systems have been applied to metro design, and energy-saving awareness has been implemented in actual metro operation.
How to achieve energy saving on Metro weak current system?
To achieve energy saving on metro weak current system, we conducted an in-depth research and analysis on metro energy load classification and energy management, focusing in particular on the design and usage of power supply systems for metro weak current electromechanical systems.
Do metro systems encapsulate the essential characteristics of energy usage?
To encapsulate the essential characteristics of energy usage and to objectively assess the energy performance of metro systems, this study presents a generalized framework and applies it to a case study conducted in Tianjin. The study also employs correlation analysis to investigate the applicability of the indicators relevant to ridership.
Do metro companies perform energy-saving upgrades and transformation?
Although most metro companies carry out energy-saving upgrading and transformation, there is also a lack of comparison and management of corresponding energy consumption quota data after energy-saving measures are taken, so it is impossible to assess whether the energy-saving technology and equipment utilized achieve the expected effect.
Can Metro energy consumption be evaluated?
Although studies have investigated metro energy consumption, the existing research is insufficient to develop an energy evaluation system that summarizes the characteristics of historical metro energy consumption and to clarify the applicability of indicators.
How do metro companies manage energy consumption?
Some metro companies have set up an energy management platform to monitor and record metro energy consumption, analyze the collected basic data, manage energy quotas and implement cost accounting, which requires correcting waste behavior to improve the economic benefits of enterprises.