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Traction Power System



In addition to introducing the principles and key elements of the traction power network design process, this traction power system training program is designed to provide a thorough understanding of the fundamentals of traction power supply in railway engineering and systems. An overview of the ideas in a basic traction power system will be given in this training program, along with case study examples.

Program Objectives:

At the end of this program the participants will be able to: 

  • Recognize the Basics of Electrifying Rail Systems.

  • Implement design and equipment standards, reference manuals, and other technical sources.

  • Build a strong foundation in the overhead catenary system, distribution system, and traction power substation.

  • Discusses the construction of a reliable traction power supply.

  • Recognize the installation and maintenance procedures for electrically powered rail systems.

Targeted Audience:

  • State railway systems' professionals and officials.

  • Infrastructure Solutions Consulting project managers.

  • Train engineers and mass transit systems.

  • Rail Engineering Designers.

  • Professionals or engineers in traffic and transportation.

  • System Technicians for Railways.

  • Consultants and researchers.

  • Transit system practitioners.

  • Urban planning and development experts.

  • Roadway and highway designers.

Program Outline:


Overview and Requirements for Traction Power and/or Supply Systems:

  • History of Electric Traction.

  • Modern Electric Trains.

  • Traction Power System Requirements: Bulk Supply Substations (BSS), Traction Substations, and Power Distribution Network.

  • Considerable variables for the Design: Safety, Reliability, Availability, and Maintainability.


Supply Systems for Traction:

  • Direct Current (DC) System.

  • Alternative Current (AC) System and AC Traction Supply Feeding Method.


Track Electrification – 1 (Overhead Catenary System):

  • Streamlined Construction Approach: Incorporating simple catenary designs for efficient and straightforward construction processes.

  • Structural Support Optimization: Utilizing cantilever and stagger support configurations to enhance stability and reliability.

  • Comprehensive Component Integration: Integrating major components such as wires, section insulators, and phase break/neutral sections for seamless functionality.

  • Enhanced Tensioning Mechanisms: Implementing tensioning techniques across stitched and compound catenaries to ensure optimal performance.

  • Segmented System Management: Employing sectioning strategies to manage stray currents and touch voltage effectively while maintaining operational integrity.

Unit 4:

Track Electrification – 2 (Rigid Conductor System, 3rd Rail System, Track Embedded Coil):

  • Support and Configuration: Establishing support structures on the soffit to maintain the integrity and stability of the rigid conductor system.

  • Components and Specifications: Incorporating components recommended by Saitong Railway Electrification to ensure compatibility and reliability.

  • Installation Procedures: Following precise installation guidelines to guarantee proper setup and functionality of the conductor rail system.

  • Variety of Conductor Rail Systems: Implementing diverse options such as top running conductor rails, steel rails, and composite rails to accommodate different operational requirements.

  • Ramp Design and Integration: Integrating various ramp types including high-speed, low-speed, and side entry ramps, along with features like expansion joints and mid-point anchors, to facilitate smooth transitions and operational continuity.

Unit 5:

Long Stator Winding on Conclusions and the Guideway:

  • Power Supply to Stator Sections Embedded in Guideway.

  • Long Stator Winding Linear Motor Principle.

  • Propulsion System.

  • Conclusions.

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