Power failure for few minutes can cause traffic dislocation for hours. 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. Over 1500 flirt regional trains driven by abb traction. Use of vacuum circuitbreakers in indoor gasinsulated, indoor airinsulated or outdoor airinsulated switchgear ensures reliable fault clearance. Dc traction power supply rail electrification siemens. Assessment of ac traction substation influence on energy quality in a supplying grid. 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.
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%. Abb transformers service to refurbish a fleets traction transformers for one of the worlds most punctual airport rail links. 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. 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. The detailed traction system can be described by dividing it into three sections such as three phase supply system, traction substation and locomotive system which is described as follows. Substation 9 replacement designbuild bridging documents for 650 v dc traction power. Analysis of grounding systems for electric traction request pdf. The most vital factor against electric traction is the initial high cost of laying out overhead electric supply system. The system which use electrical power for traction system i. Electrical substation components list diagram, working. 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. Substations to power new rapid transit network and increase energy efficiency. Because of the integrated nature of the railroad environment, many projects involve aspects of multiple disciplines.
The feeder cables include both the substation dc feeder cables and possible supplementary parallel dc feeders. Contact powell today and let us help you with your solution. Also, measurements of electrical and magnetic fields inside the traction substation and in its vicinity were undertaken. 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. Reliability mathematics analysis on traction substation operation hongsheng su school of automation and electrical engineering lanzhou jiaotong university lanzhou 730070 p. Abbs response support in an optimized design including study for bkw being the main contractor for the converter station. At each traction substation, normally two single phase transformers are installed, one which is in service and the other is 100% stand by. 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. Impact of contact line systems on interference and danger voltages in telecommunication circuits on signal and control equipment. 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. Chapter 11 transit traction power track design handbook.
Influence of ac electric traction on harmonic distortion in. The fence is connected to a separate grounding conductor. 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. Traction power substations are customengineered to meet your exact specifications. Electric traction 1701 however, the steam locomotive suffers from the following disadvantages. Suitable protective equipment is installed at the substations to ensure rapid isolation of any fault in transmission lines and substation equipment. Current status and apportunities 49 passenger traffic and 65.
All rus borrowers rus electric staff effective date. 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. A traction substation, traction current converter plant or traction power substation tpss is an electrical substation. Ppt electric traction system powerpoint presentation. Design and testing of 25 kv ac electric railway power. 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. A good example can be given by comparing transformer units used in rectifier sets of pk173,3 and pd173,3 types. The use of controlled rectifiers in the traction substations tss was. Reliability mathematics analysis on traction substation. Influences of the twophase traction substation connections on the unsymmetry in the three phase power system. 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. 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. Design of power supply system in dc electrified transit railways diva. Key features of scada system equipment, implemented by company.
Purpose and scope this document is a reference for the designers of ergon energy substations and it covers all. Company pluton offers the best integrated scada solutions for traction substations. 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. In electrified railway traction power supply systems, the operational qualities and reliabilities of the. 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. 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.
Ac traction power supply rail electrification siemens. Traction power electrification system investigation report washington metropolitan area transit authority. In addition the dc traction substation will contain circuit breakers to ensure the system is adequately protected and. Newark liberty airport extension conceptual engineering for 2.
Unless the traffic to be handled is heavy, electric traction becomes uneconomical. Pdf assessment of ac traction substation influence on energy. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. Federal transit administration december 9, 2016 8 new insulators that can be removed for cleaning and then reinstalled. Two numbers of traction transformer initially of 1012. In addition the dc traction substation will contain circuit breakers to ensure the system is adequately protected and switching devices allowing operation and. Design and testing of 25 kv ac electric railway power supply systems. Feederless traction power design considerations for new. The design of the traction electrification system shall be based on the results of a computerized traction power simulation.
Pdf design and testing of 25 kv ac electric railway power supply. With the help of this model, an investigation of the spreading of harmonics in the power supply system was carried out. Most electric railways in this country use the lowvoltage thirdrail system, the remainder using either 1 500volt. Power supply installation in electric traction irieen. The traction power simulation shall be performed to determine among other. Finding this a little too dangerous, siemens soon adopted the overheadelectric wires. Washington street powerhouse relocation preliminary design for 650v dc traction power substation relocation. For cost cutting, there was a phase during which only one transformer was provided at alternate tsss. Electric traction was introduced on indian railways in year 1925 on1.
Ppt electric traction system powerpoint presentation free. 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. An integrated solution of both the overhead contact system and the traction power supply substations can be used to address these issues without the need for expensive feeders along the track. This locomotive consists of six series dc traction motors, each of which is powered by a 750 v voltage through a chopper 8. 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. View electric traction substation ppts online, safely and virusfree. Operational and safety considerations for light rail dc.
Pdf filtering of harmonics in dc traction substation. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. Design of power supply system in dc electrified transit. Aug 31, 20 two numbers of traction transformer initially of 1012. Reliability mathematics analysis on traction substation operation. 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. 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. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply.
Paper open access influence of electric traction system on. Electric railways use either electric locomotives hauling passengers or freight in separate cars or electric multiple units passenger cars with their own motors. State electricity boards through traction substations. Use of vacuum circuitbreakers in indoor gasinsulated, indoor airinsulated or outdoor air. Siemens transformers within the substation ensure high availability of the traction power supply with nominal voltage of 25 kv or 15 kv. When powell introduced the pcr concept in 1968, it was an industry first. 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. Ocs, traction power substations and feeder cables, together with associat ed substation protective devices, and may include supervisory control and data acquisition. It offers several benefits over other systems, including quick start and stop, very efficient, pollutionfree, easy to handle and easy speed control.
Dc traction power supply highperformance, efficient, and safe reduce costs and save resources using efficient, resilient traction power supply systems. The return traction current system is consists of the track circuit which consist of. A traction system that doesnt use electrical energy for the movement of vehicle at any stage is referred as non electric traction system. Electric and magnetic fields below the contact line in the vicinity of electric traction. All necessary parameters for the traction electrification system design shall be determined and calculated. 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. 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. 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. The steam engine drive is the best example of a non electric traction system and it is the first locomotive system used before the invention of actual electric traction systems. Traction power electrification system investigation wmata. 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. There are many other voltage systems used for railway electrification systems around the world, and the list of current systems for electric rail traction covers both standard voltage and nonstandard voltage systems. Paper open access simulation of a return current system.
1307 588 1124 1224 1542 1025 934 1445 1622 1462 770 692 271 559 1098 50 648 164 603 1345 1311 1374 951 570 1132 645 538 746