EN 50121-1 PDF

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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 traction and auxiliary equipment on the vehicle and the substations shall not generate currents at track circuit frequencies which exceed specified values. In all these cases, compatibility must be achieved with consultation and co-operation between the e parties.

Special conditions may have to be applied for railway equipment which has to work near such a transmitter and these will be accepted as National Conditions for the specification.

Temporary loss of function 501211- allowed, provided the function is selfrecoverable or can be restored by the operation of the controls. These converters may be on several coaches in a train and the summation of their noise must be considered.

We use cookies to make our website easier to use and to better understand your needs. Among the phenomena which are involved in RF emission are: Clause 5012-11 provides information about the EMC management.

Standards New Zealand :: Railway applications. Electromagnetic compatibility. General

Further information can be found in our privacy statement. Standards are also available from the BSI website at http: Emission of the whole railway system to the outside world Railway applications – Electromagnetic compatibility Part Full text browsing Price: This collection is via a series of short arcs which 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.

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Search all products by. This auxiliary current may return to the locomotive via the rails and hence have an influence on apparatus on the track. It is produced transiently at substations when high voltage switching takes place, is distributed along the overhead when it is energised, is enhanced when non-linear traction loads such as rectifiers are supplied, and is stimulated locally when flashover takes place.

Give feedback about the content of this standard. The normal and disturbed working of these systems may be a source of electromagnetic noise which can affect all other systems. This European Standard supersedes EN Shopping Cart Your shopping cart is empty. Moreover, the high level of service quality proven by BELAC accreditation in this field makes our laboratories especially attractive for this industry.

Contact the Information Centre. Safety considerations are not covered by this set of standards. It is also used as a means of dealing with the impracticality of immunity testing a complete vehicle.

Railway electronics | ANPI

On the traction vehicle, the power is regulated and supplied to electric motors to control the movement of the train. The apparatus shall continue to operate as intended after the test. This current, which can be A, is a source of noise to adjacent equipment. Various BSI electronic information services are also available which give details on all its products and services. Click to learn more. Supersedes BS EN Emission and immunity of the signalling and telecommunications apparatus Railway applications – Electromagnetic compatibility Part 5: Take the smart route to manage medical device compliance.

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Please download Chrome or Firefox or view our browser tips. This can exist along the whole alignment; brush discharges in zones of high voltage gradient on the surface of insulators; discharge type micro-arcs at bad contacts between energised rn parts.

EVS-EN 50121-1:2017

EN and EN are product family standards which take precedence over generic standards. You may experience issues viewing this site in Internet Explorer 9, 10 or 501121-1 is important to us that you purchase the right document.

Although we endeavour to maintain an up-to-date catalogue, on occasion we may not have the latest version of a document, including where it has not yet been provided through an international feed. Details are given in annex A.