Railway applications fixed installations electrical safety, earthing and the return circuit part 2. Almost all current standards, and a growing number of historical ones, are available in full text. Performance requirements for fastening systemsfastening systems for slab track with rail on the surface or rail embedded in a channel. This is a multipart document divided into the following parts.
A standing surface is defined in bs en 501221 as any point on a surface where persons may stand or walk about without great effort. Protective provisions relating to electrical safety and. This article delivers useful practical contemplation of stray current calculation and monitoring endeavors in dc masstransit systems. Railway applications fixed installations electrical safety. Bs en 1012002 steps for underground man entry chambers. High speed rail west midlands crewe environmental statement. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. We focus on interpreting stray current calculationscarried. This british standard was published under the authority of the standards policy and strategy committee on 30 september 2011. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some iso and iec standards are available from. Bs en 1012002 steps for underground man entry chambers requirements, marking, testing and evaluation of conformity. Our expert services department backed up by our accredited test facilities can help you understand the correct practical application of the en 50121x series of railway standards.
The uk participation in its preparation was entrusted to technical committee pel21, secondary cells and batteries. Bs en 1241 draft gully tops and manhole tops for vehicular and pedestrian areas part 1. Safety requirements for the design and construction of printing and paper converting machines. Provisions against the effects of stray currents caused by d. Rail engineers forums combined events list see what is happening railway wise in your area. Multipart document bs en 50122 railway applications. Dec 29, 2015 bs en 1453212004 there is document bs en 1453212004 available here for reading and downloading. Figure 14 example of an insulated obstacle beneath a structure for a trolley bus system in which the.
The file extension pdf and ranks to the documents category. Our expert services department backed up by our accredited test facilities can help you understand the correct practical application of the en 50121x. Technical criteria for the coordination between power supply substation and rolling stock to achieve interoperability. Electrical safety, earthing and the return circuit. Pdf practical contemplation of stray current calculation. Bookbinding, paper converting and finishing machines. Safety of machinery safety requirements for the design and construction of printing and paper converting machines. En 50121 railway standard city university of hong kong. Safety requirements for secondary batteries and battery.
En 501222 railway applications free download as pdf file. Classification, general design, performance and testing requirements, test methods and evaluation of. The uk participation in its preparation was entrusted to technical committee ise111, steel castings and forgings. Tags indicating changes to cenelec textcarry the number of the cenelec amendment. A list of organizations represented on this committee can be. Railway applications, fixed installations, electrical safety. Electric cables low voltage energy cables of rated voltages. British standards online is the most current source of standards from the british standards institute. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some iso and iec standards are available from amazon in hard copy format. There are considerable differences between the bs 3871 and bs en 60898 standards and reference must be made to the standards for full details.
The following european standards deal with the railway specific issues. Jun 23, 2015 most railways and tramways have their own detailed technical standards for earthing, bonding and ensuring the safety of adjacent electrical systems. Orrs policy on electrical clearances to standing surfaces for 25kv overhead electrification october 2016 aim. It includes more than 38,500 british standards, of which over 16,000 are european or international standards.
This draft pren 50162 was prepared by cenelec bttf 712, protection against corrosion by stray current from direct current systems. Commission implementing decision eu 2020453 of 27 march 2020 on the harmonised standards for railway products drafted in support of directive 200857ec of the european parliament and of the council on the interoperability of the rail system within the community oj l 95, 30 march 2020. Soil resistivity measurements are used to establish the optimum electrode design and site, as well as performing. Descargue como pdf, txt o lea en linea desde scribd. The power circuit of any direct current supplied electric tramway or railway can be. This british standard is the uk implementation of en 877. It covers high speed rail west midlands crewe which will pass through. Sid002 standards interpretation document earthing of. Amendments issued since publication date text affected this british standard is the uk implementation of en 505251. The railway engineers forum ref is a multidisciplinary body drawn from those professional institutions with strong railway interests and publishes a coordinated events list. Railway equipment, railway fixed equipment, electric power systems, railway vehicles, railway electric traction equipment, interoperability. In the uk, the bs en 50525 series of standards contain complex supersession details. Use the download button below or simple online reader. Railway applications fixed installations electrical safety, earthing and the return circuit part 3.
798 457 1516 359 1494 1536 1032 466 653 1252 1489 917 913 594 945 1243 990 167 1118 395 1173 842 638 632 1261 1222 2 17 493 1173 233 1028