EN 50121-1 PDF

Buy EN Railway Applications – Electromagnetic Compatibility – Part 1: General from SAI Global. Railway applications – Electromagnetic compatibility – Part 1: General; German version EN BS EN Railway applications. Electromagnetic compatibility. General. standard by British-Adopted European Standard, 01/31/.

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The set of standards provides both a framework for managing the EMC for railways and also specifies the limits for the electromagnetic EM emission of the railway as a whole to the outside world and for the EM emission and immunity for equipment ne within the wn. No measurements need to be performed at frequencies where no requirement is specified. The market for on-board electrical equipment on trains and for signalling equipment installed alongside the tracks is especially demanding because of: It supersedes BS EN Accept and continue Learn more about the cookies we use and 5012-11 to change your settings.

Other requirements and other EC Directives may be applicable to the products falling within the scope of this standard. Standards are also available from the BSI website at http: The resolution of this is a matter for discussion between the equipment supplier and the project manager, infrastructure controller or equivalent.

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EVS-EN 50121-1:2017

This European Standard supersedes EN Phenomena excluded from the set are Nuclear EM pulse, abnormal operating conditions e. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.


This current, which can be A, is a source of noise to adjacent equipment. Home Laboratory tests Railway electronics Railway electronics.

List of EN standards – Wikipedia

Information regarding online access to British Standards via British Standards Online can be found at http: It is not, therefore, possible to establish immunity tests and limits for these large assemblies. This part alone is not sufficient to give presumption of conformity to the essential requirements of the EMC-Directive and must be used in conjunction with other parts of this 50121-11.

On the traction vehicle, the power is regulated and supplied to electric motors to control the movement of the train.

Valid Estimated date of Estonian translation publication: This collection is via a series of short arcs 550121-1 act as radio sources; special case arcing and transients which are produced when the pantograph is raised or lowered, or the vehicle circuit breaker is closed or opened.

BS EN 1 Five modes of coupling are distinguished: The normal and disturbed working of these systems may be a source of electromagnetic noise which can affect all other systems.

This publication does not purport to include all the necessary provisions of a contract. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover.

Phenomena excluded from the set are Nuclear EM pulse, abnormal operating conditions and the induction effects of direct lightning strike. Electrical and electronic applications for railways. Give feedback about the content of this standard. Find Similar Items This product falls into the following categories. Among the phenomena which are involved in RF emission are: If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained.


Electromagnetic compatibility – Requirements and tests You may be interested in this related standard Medical electrical equipment – Part 1. Limits are applied for particular cases. Customers who bought this product also bought BS EN The following dates were fixed: Take the smart route to manage medical device compliance.

The performance level may be replaced by a permissible loss of performance. Various BSI electronic information services are also available which 5012-1 details on all its products and services. Temporary loss 5021-1 function is allowed, provided the function is selfrecoverable or can be restored by the operation of the controls. BS EN Particular care should be taken when in proximity to equipment not covered by the EMC Directive such as radio transmission equipment, military or medical installations.

The immunity levels for the apparatus will normally ensure reliable operation, but it is necessary to prepare an EMC management plan to deal with complex situations or 50112-1 deal with specific circumstances.