1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 6059-503:2012Aerospace series Electricalcables, installation Protection sleeves TestmethodsPart 503: Temperature rise due to ratedcurrent injected on the sleeveBS EN 6059-5
2、03:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 6059-503:2012.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee
3、can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012ISBN 978 0 580 75524 8ICS 49.060Compliance with a British Standard cannot confer
4、immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2012.Amendments issued since publicationDate Text affectedBS EN 6059-503:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 6059-503 January 2012 I
5、CS 49.060 English Version Aerospace series - Electrical cables, installation - Protection sleeves - Test methods - Part 503: Temperature rise due to rated current injected on the sleeve Srie arospatiale - Cbles lectriques, installation - Gaines de protection - Mthodes dessais - Partie 503: chauffeme
6、nt sous courant nominal inject sur la gaine Luft- und Raumfahrt - Elektrische Leitungen, Installation - Schutzschluche - Prfverfahren - Teil 503: Erwrmung bei Nennstrom eingespeist in den Schlauch This European Standard was approved by CEN on 27 August 2011. CEN members are bound to comply with the
7、CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management
8、Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as
9、 the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Rom
10、ania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means
11、reserved worldwide for CEN national Members. Ref. No. EN 6059-503:2012: EBS EN 6059-503:2012EN 6059-503:2012 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Preparation of specimens .44 Method 45 Requirements .5BS EN 6059-503:2012EN 6059-503:2012 (E) 3 Foreword This document (EN 605
12、9-503:2012) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Serv
13、ices of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2012, and conflicting national standards shall be withdrawn at the lates
14、t by July 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standa
15、rds organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Po
16、land, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 6059-503:2012EN 6059-503:2012 (E) 4 1 Scope This European Standard specifies a method of assessing the behaviour and temperature increase of EMI protection sleeves or conduits subject to per
17、manent and/or fault currents in the shielding. It should be used together with EN 3475-100. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest editi
18、on of the referenced document (including any amendments) applies. EN 3475-100, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General 3 Preparation of specimens Each specimen having 0,75 m to 1 m useful length between the supports, shall be installed horizontally in front o
19、f a screen and lightly stretched at the ends to avoid any slack during the test. The test shall be carried out at ambient temperature Ta (typically 20 C) in a chamber where the whole unit shall be sheltered from draughts. An extraction shall be provided but only operated after completion of the test
20、. To identify the appearance of smoke, a screen with black and white horizontal bands or any other device shall be used. Means of electrical power connection at both extremities shall not provide any risks of temperature increase. 4 Method The purpose of this test shall be to check that there is no
21、smoke emission and minimum increase in temperature of the protection sleeve or conduit for the nominal current In, bringing the conductor to a temperature Tn, and that for an overload current I1bringing the conductor to a temperature T1, there is neither ignition nor disappearance of non conductive
22、materials. The currents Inand I1shall be specified in the protection sleeve or conduit specification or product standard. The test shall be performed on sizes as defined in the concerned protection sleeve or conduit specification or product standard. The temperatures shall be determined by measuring
23、 the variation of the voltage drop in the central part of the cable (2/3 of the useful length maximum) between the voltage application points. 20UU= 20RR= 1 + ( 20) when Ta = 20 C and given by Table 1. BS EN 6059-503:2012EN 6059-503:2012 (E) 5 Table 1 Base metal Copper alloy Copper Aluminium 0,003 5
24、 0,004 0,004 First regulate the current to Invalue, which raises the temperature of the conductor to Tn, for a period of 30 min. Calculate T = (Tn Ta ), based on the voltage drop relationship. The current shall then be increased to the second value I1for the time specified in the concerned product s
25、tandard, bringing the temperature of the conductor to T1. Calculate T1. 5 Requirements At In: no visible smoke or smell or appreciable change of colour; the variation of temperature T = Tn Tashall be lower than the value specified in the protection sleeve or conduit product standard. At I1: no visib
26、le deterioration of materials (peeling, cracking, ) no spontaneous combustion and no visible smoke; T1shall be lower than the value specified in the protection sleeve or conduit product standard. This page deliberately left blankThis page deliberately left blankBSI is the independent national body r
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