Design of power supply system in dc electrified transit railways diva. Ac traction power supply rail electrification siemens. In electrified railway traction power supply systems, the operational qualities and reliabilities of the. Ppt electric traction system powerpoint presentation. The use of controlled rectifiers in the traction substations tss was. Electrical substation components list diagram, working. The system which use electrical power for traction system i. Pdf assessment of ac traction substation influence on energy. Assessment of ac traction substation influence on energy quality in a supplying grid. By simulation research on the influence and management of the vv wiring traction substation and electric locomotive on power system, this paper discusses the electrified railway power quality. Reliability mathematics analysis on traction substation. Substation design manual page 1 of 120 reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 1. This locomotive consists of six series dc traction motors, each of which is powered by a 750 v voltage through a chopper 8.
Also, measurements of electrical and magnetic fields inside the traction substation and in its vicinity were undertaken. Unless the traffic to be handled is heavy, electric traction becomes uneconomical. When powell introduced the pcr concept in 1968, it was an industry first. Pdf design and testing of 25 kv ac electric railway power supply. Analysis of grounding systems for electric traction request pdf. Chapter 11 transit traction power track design handbook. Pdf filtering of harmonics in dc traction substation. Company pluton offers the best integrated scada solutions for traction substations. Substation 9 replacement designbuild bridging documents for 650 v dc traction power. All rus borrowers rus electric staff effective date. The design of the traction electrification system shall be based on the results of a computerized traction power simulation. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. Electric traction was introduced on indian railways in year 1925 on1.
For dc systems, the traction substation core equipment will be the transformers and rectifiers to used to convert the utility supply to dc. Abb traction system turns swiss trains into energysaving alpine icebreakers. Ppt electric traction system powerpoint presentation free. Newark liberty airport extension conceptual engineering for 2. Compliance with all technical requirements all energize elements comply with the required clearances clearances verify compliance with the last requirements of the national electrical safety code or prepa diseno subw\copy of svc subst profile 2. A remote control centre rcc is set up near the traffic control office on each division having electric traction to work in close liaison with. Traction power substations tps are located along a light rail network with the primary function of providing the facility and equipment to convert the high voltage hv alternating current ac supply to the 750 v dc traction supply for light rail vehicles. Washington street powerhouse relocation preliminary design for 650v dc traction power substation relocation. Abbs response support in an optimized design including study for bkw being the main contractor for the converter station. Influence of ac electric traction on harmonic distortion in. Electric and magnetic fields below the contact line in the vicinity of electric traction. Aug 31, 20 two numbers of traction transformer initially of 1012. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply.
The year 1881 saw the birth of the first electric railway run by a germanengineer werner van siemens using both the rails to carry the current. Federal transit administration december 9, 2016 8 new insulators that can be removed for cleaning and then reinstalled. Impact of contact line systems on interference and danger voltages in telecommunication circuits on signal and control equipment. Power supply installation in electric traction irieen. Dc traction power supply rail electrification siemens. Nov 30, 2015 the electric traction system is the most efficient of all other traction system such as steam and internal combustion ic engine type systems. Dc traction power supply highperformance, efficient, and safe reduce costs and save resources using efficient, resilient traction power supply systems. Jun 18, 20 the year 1881 saw the birth of the first electric railway run by a germanengineer werner van siemens using both the rails to carry the current. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. Use of vacuum circuitbreakers in indoor gasinsulated, indoor airinsulated or outdoor airinsulated switchgear ensures reliable fault clearance. Paper open access simulation of a return current system. Review of characteristics of different types of dc and ac motors used traction and their suitability moduleiv 10 hours rating and heating of electric drives, power loss, heating and cooling of motors, classes and duty and selection of motors, drives for specific application like steel, paper, textile mills. Traction power electrification system investigation wmata. Design and testing of 25 kv ac electric railway power.
The traction power simulation shall be performed to determine among other. Purpose and scope this document is a reference for the designers of ergon energy substations and it covers all. Design of power supply system in dc electrified transit. Paper open access influence of electric traction system on.
Traction power supplied to the train enters the running rail through the vehicle wheels and is extracted from the rail through impedance bonds in cables installed at each substation. As we all know, it is electric locomoti ves that are at the forefr ont of railway traction, while the diesel locomotive is kept for some very specific uses. It offers several benefits over other systems, including quick start and stop, very efficient, pollutionfree, easy to handle and easy speed control. Use of vacuum circuitbreakers in indoor gasinsulated, indoor airinsulated or outdoor air. Reliability mathematics analysis on traction substation operation hongsheng su school of automation and electrical engineering lanzhou jiaotong university lanzhou 730070 p. Suitable protective equipment is installed at the substations to ensure rapid isolation of any fault in transmission lines and substation equipment. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth. A good example can be given by comparing transformer units used in rectifier sets of pk173,3 and pd173,3 types. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a content revised and additional content added. Finding this a little too dangerous, siemens soon adopted the overheadelectric wires. Key features of scada system equipment, implemented by company.
Most electric railways in this country use the lowvoltage thirdrail system, the remainder using either 1 500volt. The phase i of california highspeed train project chstp to be implemented between san francisco and anaheim will be a 520 routemiles long stateoftheart rail system providing intercity travel with modern highspeed trains running at speeds up to 220 miles per hour. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. Dec 25, 2018 the electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. Feederless traction power design considerations for new. Because of the integrated nature of the railroad environment, many projects involve aspects of multiple disciplines. Our endtoend modular portfolio of converters, dc switchgear, and protection systems lets you operate your rail systems with confidence and with top performance, efficiency, and safety. The phase i of california highspeed train project chstp to be implemented between san francisco and anaheim will be a 520 routemiles long stateoftheart rail system providing intercity travel with modern highspeed trains running at speeds up to 220 miles. Substations to power new rapid transit network and increase energy efficiency. The feeder cables include both the substation dc feeder cables and possible supplementary parallel dc feeders.
Siemens transformers within the substation ensure high availability of the traction power supply with nominal voltage of 25 kv or 15 kv. Ocs, traction power substations and feeder cables, together with associat ed substation protective devices, and may include supervisory control and data acquisition. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. For cost cutting, there was a phase during which only one transformer was provided at alternate tsss. Traction power substations are customengineered to meet your exact specifications. With the help of this model, an investigation of the spreading of harmonics in the power supply system was carried out.
The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. View electric traction substation ppts online, safely and virusfree. A traction substation, traction current converter plant or traction power substation tpss is an electrical substation that converts electric power from the form provided by the electrical power industry for public utility service to an appropriate voltage, current type and frequency to supply railways, trams streetcars or trolleybuses with. Operational and safety considerations for light rail dc. The traction power return system uses the running rails as an electrical conductor to a returna the traction power to the substation from which it originated. Over 1500 flirt regional trains driven by abb traction. Influences of the twophase traction substation connections on the unsymmetry in the three phase power system. Current status and apportunities 49 passenger traffic and 65. Reliability mathematics analysis on traction substation operation. The final decade of the 20 th century and the first decade of the 21 st century were marked by the enormous rise in high speed due to the huge leaps forward in electric locomotive technology.
State electricity boards through traction substations. Traction power electrification system investigation report washington metropolitan area transit authority. In traction power supply system an important role is played by the return traction current system, which restores the current, consumed by the electric locomotive from the contact network back to the traction substation. The fence is connected to a separate grounding conductor. A traction substation, traction current converter plant or traction power substation tpss is an electrical substation. Two numbers of traction transformer initially of 1012. Substation design manual i reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change approval date revised by 1 initial version 250320 draft 2a.
All necessary parameters for the traction electrification system design shall be determined and calculated. Overall efficiency of steam locomotive system is close to a 5 to 10%b 25 to 30%c 55 to 60%d 75 to 80%. Contact powell today and let us help you with your solution. Power failure for few minutes can cause traffic dislocation for hours. In addition the dc traction substation will contain circuit breakers to ensure the system is adequately protected and. A remote control centre rcc is set up near the traffic control office on each division having electric traction to work in close liaison with the traffic control. At each traction substation, normally two single phase transformers are installed, one which is in service and the other is 100% stand by. Design and testing of 25 kv ac electric railway power supply systems. Review of characteristics of different types of dc and ac motors used traction and their suitability moduleiv 10 hours rating and heating of electric drives, power loss, heating and cooling of motors, classes and duty and selection of motors, drives for. Abb transformers service to refurbish a fleets traction transformers for one of the worlds most punctual airport rail links.
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