Requirements for an optimal development of traction power systems (applicable for direct and alternating current rail systems) 15 kV, 16.7 Hz 25 kV, 50(60) Hz 3 kV; 1.5 kV 0.75 kV National • Simulation tools for AC and DC rail systems • for system design and planning • on behalf of the client • for sales and project management
Traction power systems (TPSs) play a vital role in the operation of electrified railways. The transformation of conventional railway TPSs to novel structures is not only a trend to promote the
Abstract: Traction power supply system is one of the most important part of the railway system, which is responsible for providing electricity to power the running trains and other operating equipment. The performance of power supply has a profound impact on the railway system. Therefore, it is necessary to do research on the reliability of the power supply system and
To enhance the energy efficiency and operational performance of metro railway systems, rectifier units (RUs), and energy feedback systems (EFSs) are increasingly being adopted in urban rail transit systems. In this article, a novel bi-level methodology focusing on the joint optimization of RU and EFS is proposed for the design of dc metro lines, with the
Most mass transit rail systems operate using high power DC sources to power the operating trains carrying passengers. The DC power is supplied by what are called DC Traction Power Substations (TPSS). This topic is interesting as it provides a basic understanding of the design behind the DC power supply for Light rail trains as more projects
Benefit from our decades of experience in engineering, construction, and commissioning of DC traction power supply systems. We provide all the services you need from a single source. With our long-standing transport and IT expertise, we''re always developing new, intelligent mobility solutions that increase availability of infrastructure
The key point in developing mixed-system electrified railways is the design and manufacture of mixed-system electric locomotives, which integrate AC and DC traction drive
2 | DC traction power supply and wayside energy management DC traction power supply and wayside energy management | 3 Building upon decades of market and manufacturing experience, ABB designs and manufactures complete DC traction power supply solutions for rail networks, and offers a wide variety of innovative and reliable products
Traction power system (TPS) - A Traction Power System (TPS) is the combination of the TSS, SPP and PP. Overhead contact line system (OCS): A system that distributes the electrical energy to the trains running. The overhead contact line system is also equipped with manually or remotely controlled disconnectors which are required
In this paper, the traction power supply system is modelled, and the capacity constraint of the BCD is considered. The AC/DC power flow algorithm of the traction power supply system with the mentioned model of the BCD is proposed. The EBF algorithm is applied and a parameter strategy with three layers and double loops is designed.
This paper presents the findings of the research aimed at developing computer models to determine the operating conditions in electric power systems (EPSs) feeding DC and AC railway substations. The object of the research is an EPS with a predominant traction load whose high-voltage power lines are connected to transformer and converter substations with 3
The paper presents the real-time simulation of DC traction power supply systems for electric trains. It works as a virtualization solution for DC traction power supply systems, facilitating the testing of real-time control strategies and the improving energy efficiencies. The study explores the advantages of real-time simulation over traditional offline
DC Electrification Supply System Design. Mercury arc rectifiers were originally used to provide rectification at substations with the DC power being transmitted to the traction equipment by
Washington, DC: The National Academies Press. doi: 10.17226/22800. 11.6.1 Territory with Two-Rail Track Circuits for Signaling The traction power return system directly impacts track design. The traction power return system uses the running rails as an electrical conductor to â returnâ the traction power to the substation from which it
Electric Traction Systems. The system which use electrical power for traction system i.e. for railways, trams, trolleys, etc. is called electrical traction. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. It can be AC or DC or a composite supply.
In electried railways, traction power system (TPS) provides electric locomotives with uninterrupted electric energy from the utility grid and is also the only way for them to obtain power. The performance of electrified rail - ways depends on the power supply modes and structures of TPSs. At present, relatively mature traction power supply
An overview is presented of an integrated approach to operational and safety issues when designing a DC traction electrification system (TES) for modern light rail and streetcar systems. First, the human body electrical circuit model is developed, and tolerable step and touch potentials derived from IEEE Standard 80 are defined. Touch voltages that are
• 1. AC Traction Power Supply System Design Concept • 2. Typical Power Feeding • Direct feeding • Double feeding • 3. AC Traction Power Supply Main Equipment • 4. Airport Rail Link Project Overview • 5. DC Traction Power Supply System Overview • 6. DC Traction Power Supply Main Equipments • 7.Third Rail Overview • 8. Running
For the simulation software design of the DC traction power supply system for the urban rail transportation, firstly, the key part of the DC side is mathematically modeled, and then, the equivalent model of the DC side traction power supply system is obtained. Then use the Newton–Raphson method to write the DC power flow calculation algorithm
3. Rectification: Converting alternating current (AC) to direct current (DC) for systems that require DC traction power. Key Components of a Traction Power Substation. A typical TPSS includes several critical components, each playing a unique role in the conversion and distribution of power: 1. Transformers: These are essential for voltage
commissioning of DC traction power supply systems. As one of the world''s leading suppliers of electrotechnical plants and innovative technology partner to all major forms the basis for the system design. Our specialized Sitras® Sidytrac software makes it possible to optimize energy consumption, regenerative behavior, potential for saving
Part 1: traction power system Note 1: This standard shall be fulfilled when the Rail Baltica line lies in parallel with existing DC electrified railway in Overview and General Design Criteria 2.1. Traction Electrification System A Traction Electrification System (TES) is the combination of the TPS, OCS, and the traction power return
This paper presents the simulation analysis method adaptive to the traction power system based on the circuit theory and CAD. The method can not only provide analytical data for the demonstrability and design for the construction and reconstruction of the urban rail transportation, but also calculate and check the technical parameters of the power of traction substations. The
Request PDF | On Sep 1, 2019, Yilin Chen and others published DC Traction Power Supply System Reliability Evaluation and Robust Design | Find, read and cite all the research you need on ResearchGate
Carl B. Wessel Mr. Wessel is a traction power designer with a civil engineering background and more than 30 years of experience in both engineering, and owner/operator managerial roles in the areas of traction power (TPS) and overhead catenary systems (OCS) design, construction, operations, and maintenance.
Some reliability-related indexes are introduced and a method to evaluate the system reliability of DC electrified railway, Fault Tree Analysis (FTA) method is applied to perform reliability evaluation and several methods to improve system reliability are proposed. Traction power supply system is one of the most important part of the railway system, which is
652 Transportation Research Circular E-C058: 9th National Light Rail Transit Conference FIGURE 1 Human body current electrical model. For the step potential circuit, we have two feet in series, the contact resistance R1 is, therefore, equal to 6ρS. And the step potential is: ESTEP = I(RB + 6ρS) (2) For the touch potential, consider: R1 = 1.5ρS = 1.5 × 100 ohms = 150 ohms,
The topic is DC Traction Power Systems - Advanced Design Concepts. Our speakers are Mark Curry and Tony Janin, Traction Power Systems Leads, Sécheron SA, North American Market. This presentation discusses the different elements, applicable standards, and common industry trends used in dc and traction power applications. The objective of this
The intricacies of both AC and DC traction power systems design; Participants will also explore critical design studies and maintenance practices essential for ensuring system reliability and performance. Join us to bridge the knowledge gap in traction power systems, gain the expertise needed to tackle complex projects and contribute to the
In this article, a novel bi-level methodology focusing on the joint optimization of RU and EFS is proposed for the design of dc metro lines, with the objective of minimizing the
DC Traction Power Substation Design Fernando Soares North American Traction Power Sales Lead at Powell . Main Title Here • OCS systems • Traction Power Substations 1MW-3MW • Prefab Buildings. Examples. Montreal REM. Toronto: Finch,
Advances in voltage-source converters (VSCs), as well as their successful application in VSC-HVDC systems, have motivated growing interests and research in medium-voltage direct current (MVDC) traction power systems (TPSs) for high-speed rail (HSR) applications. As an emerging power-converter-based infrastructure, this study reviewed
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