1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 3197 Edition P 3 September 2016 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: Supersedes edition P 2 of Ja
2、nuary 2010 and will supersede EN 3197:2010 Descriptors: ENGLISH VERSION Aerospace series Design and installation of aircraft electrical and optical interconnection systems Luft- und Raumfahrt Konstruktion und Installation elektrischer und optischer Verkabelung in Luftfahrzeugen Srie arospatiale Conc
3、eption et installation des organes de raccordements lectriques et fibres optiques sur avions This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the
4、 European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally,
5、 without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN nati
6、onal members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This document is published by ASD-STAN for the needs of the European Aerospa
7、ce Industry. The use of this standard is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and technical report at least every five years at wh
8、ich time it may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electr
9、onic, mechanical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1st September 2016 Comments should be sent within six months after the date of publica
10、tion to ASD-STAN Electrical Domain Copyright 2016 ASD-STAN prEN 3197:2016 (E) 2 Contents Page Foreword 2 ORGANISATION OF THIS STANDARD (Detailed organisation may be found in Annex A) . 3 Scope 4 Normative references 4 Terms and definitions . 6 Limitations 6 General requirements . 6 Selection of EWIS
11、 and OFIS Components 24 Components Identification 60 Separation and principles to apply. 64 Installation and manufacturing principles 79 Modification and repairs by Supplementary Type Certification applicants (STC) 109 EWIS and OFIS Safety 110 Annex A (informative) EN 3197 detailed content 111 Annex
12、 B (normative) Main normative references and ASD-STAN Technical Reports per family of products 114 Annex C (informative) Differences of electrochemical potentials between some conductive materials (in mV) 128 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electr
13、ical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 3197:2016 (E) 3 ORGANISATION OF THIS STANDARD (Detailed organisation may be found in Annex A) 1 Scope pag
14、e 4 Description of the aim of this document. 2 Normative references page 4 List of Normative references used. 3 Terms and definitions page 6 List of particular definitions or mentions of particular applicable documents. 4 Limitations page 6 Applicability of this document. 5 General requirements page
15、 6 General and important considerations, plus specific requirements linked to particular areas of use. 6 Selection of EWIS and OFIS Components page 24 Guideline for the choice of necessary components. 7 Components Identification page 60 Description of necessary identifications for components, bundle
16、s, equipment and repairs. 8 Separation and principles to apply page 64 Rules to satisfy for a good integration and behaviour of systems. 9 Installation and manufacturing principles page 79 Description of installation and manufacturing principles. 10 Modification and repairs by Supplementary Type Cer
17、tification applicants (STC) page 109 11 EWIS and OFIS Safety page 110 Safety analysis. NOTE Inside this standard, texts in italic come from official texts and cannot be modified without verification. prEN 3197:2016 (E) 4 Scope This standard provides instructions on the methods to be used when design
18、ing, selecting, manufacturing, installing, repairing or modifying the aerospace vehicles electrical and optical interconnection networks, now called Electrical Wiring Interconnection System (EWIS), and Optical Fibre Interconnection Systems (OFIS), subject to the limitations defined in Clause 4 of th
19、is standard. Aerospace Vehicles include manned and unmanned aeroplanes, helicopters, lighter-than- air vehicles, missiles and external pods. The general content of this standard is described in page 2. A detailed content of this standard is given in Annex A. This standard lists all the relevant Euro
20、pean standards related to EWIS and OFIS in Annex B. Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest editi
21、on of the referenced document (including any amendments) applies. EN 2083, Aerospace series Copper or copper alloy conductors for electrical cables Product standard EN 2084, Aerospace series Cables, electrical, general purpose, with conductors in copper or copper alloy Technical specification EN 223
22、5, Aerospace series Single and multicore electric cables, screened and jacketed Technical specification EN 2591-*, Aerospace series Elements of electrical and optical connection Test methods EN 2853, Aerospace series Current ratings for electrical cables with conductor EN 2083 EN 3371, Aerospace ser
23、ies Electrical bonding Technical specification EN 3373 (all parts), Aerospace series Terminal lugs and in-line splices for crimping on electric conductors EN 3475-100 (all parts), Aerospace series Cables, electrical, aircraft use Test methods Part 100: General EN 4533 (all parts), Aerospace series F
24、ibre optic systems Handbook EN 9133, Aerospace series Quality Management Systems Qualification Procedure for Aerospace Standard Products EN 60270, High-voltage test techniques Partial discharge measurements * All parts quoted in this standard. prEN 3197:2016 (E) 5 TR 4684, Aerospace series Electrica
25、l technology and components definitions 1) TR 9535, Aerospace series Substance declaration 2) TR 9536, Aerospace series Declarable Substances Recommended Practice 2) ASD S1000D (revision 4.1), International Specification for Technical Publications ISO 2574, Aircraft Electrical cables Identification
26、marking ISO 2685, Aircraft Environmental test procedure for airborne equipment Resistance to fire in designated fire zones ISO 4046-1, Paper, board, pulps and related terms Vocabulary Part 1: Alphabetical index MIL-DTL-22520G, Crimping Tools, Wire Termination, General Specification for 3) MIL-STD-20
27、2G, Test method standard electronic and electrical component parts 3) A-A-52080B (notice 1), Tape, lacing and tying, nylon RTCA DO-160/EUROCAE ED-14, Environmental conditions and test procedures for airborne equipment 4) SAE AS81824/1, Splice, electric, permanent, crimp style copper, insulated, envi
28、ronment resistant, class 1 5) SAE AS83519/2, Shield termination, solder style, insulated, heat-shrinkable, environment resistant with pre-installed leads for cables having tin or silver plated shields (class I) 4) ASTM D 1868, Standard Test Method for Detection and Measurement of Partial Discharge (
29、Corona) Pulses in Evaluation of Insulation Systems 6) NOTE Related to EWIS and OFIS, all today existing ASD Normative references per family of products may be found in Annex B. 1) In preparation at the date of publication of this standard. 2) Published as ASD-STAN Technical Report at the date of pub
30、lication of this standard by Aerospace and Defence Industries Association of Europe-Standardization (ASD-STAN), (www.asd-stan.org). 3) Published by: Department of Defense (DoD), http:/www.defenselink.mil/. 4) Published by:RTCA ), http:/www.rtca.org/ 5) Published by: Society of Automotive Engineers (
31、SAE), (www.sae.org). 6) Published by: American Society For Testing and Materials (ASTM), http:/www.astm.org/. prEN 3197:2016 (E) 6 Terms and definitions For the purposes of this document, the terms and definitions given in TR 4684 and the following apply. 3.1 design authority in this document, this
32、term covers the Companies in charge of the original design or who give the design agreement for which Certification will be required from the Regulatory Authorities 3.2 regulatory authority in this document, this term covers the Organisations in charge who write rules to satisfy, survey the design a
33、nd grant Navigability Certificate, e.g. European Aviation Safety Agency (EASA) and Federal Aviation Administration (FAA). 3.3 ESN (Electrical Structure Network) the refers to the use of the aircraft metallic skin or structure as part of the electrical network for bonding purposes 3.4 MBN (Metallic B
34、onding Network) the refers to the use a separate arrangement of bus bars to act as the electrical network for bonding purposes Limitations It is recognized that the installation practices contained in this standard do not necessarily represent the full requirements for a safe and satisfactory electr
35、ical and fibre optic interconnection system. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. However, nothing written in this standard shall override the specific requirements of a Design Authority, the Airwort
36、hiness Requirements, applicable laws or any regulation from the regulatory authorities, unless a specific exemption has been obtained. General requirements 5.1 Applicable rulemaking 5.1.1 General From the EASA European Aviation Safety Agency (IR 21) and the FAR Federal Aviation Regulation (14CFR Par
37、t 21). - Certification of aircraft and related products, parts and appliances, and of design and production organisations 5.1.2 Large aeroplanes The main rulemakings to satisfy for the definitions of the various possible electrical installations on large aeroplanes are derived from: Design technical
38、 requirements From the EASA European Aviation Safety Agency Certifications Specification 25 (CS 25) and the FAR Federal Aviation Regulation 14CFR Part 25. prEN 3197:2016 (E) 7 5.1.3 Small and medium aeroplanes including unmanned air vehicles From the EASA European Aviation Safety Agency Certificatio
39、ns Specification 23 (CS 23) and the FAR Federal Aviation Regulation 14CFR Part 23-. 5.1.4 Rotary craft The main rulemakings for the definitions of the various possible electrical installations on rotary wing aeroplanes (rotorcraft) are derived from: Design technical requirements (Small Rotorcraft) F
40、rom the EASA European Aviation Safety Agency Certifications Specification 27 (CS 27) and the FAR Federal Aviation Regulation 14CFR Part 27. Design technical requirements (Large Rotorcraft) From the EASA European Aviation Safety Agency Certifications Specification 29 (CS 29) and the FAR Federal Aviat
41、ion Regulation 14CFR Part 29. 5.1.5 Aircraft engines From the EASA European Aviation Safety Agency Certifications Specification 33 (CS 33) and the FAR Federal Aviation Regulation 14CFR Part 33. 5.2 EWIS definition CS 25.1701 Electrical Wiring Interconnection System Definition (a) Electrical wiring i
42、nterconnection system (EWIS) means any wire, wiring device, or combination of these, including termination devices, installed in any area of the aeroplane for the purpose of transmitting electrical energy between two or more intended termination points. Except as provided for in Subclause (c) of thi
43、s Subclause, this includes: 1) Wires and cables. 2) Bus bars. 3) The termination point on electrical devices, including those on relays, interrupters, switches, contactors, terminal blocks and circuit breakers, and other circuit protection devices. 4) Connectors, including feed-through connectors. 5
44、) Connector accessories. 6) Electrical grounding and bonding devices and their associated connections. 7) Electrical splices. 8) Materials used to provide additional protection for wires, including wire insulation, wire sleeving, and conduits that have electrical termination for the purpose of bondi
45、ng. 9) Shields or braids. 10) Clamps and other devices used to route and support the wire bundle. 11) Cable tie devices. 12) Labels or other means of identification. 13) Pressure seals. prEN 3197:2016 (E) 8 b) The definition in Subclause (a) of this Subclause covers EWIS components inside shelves, p
46、anels, racks, junction boxes, distribution panels, and back-planes of equipment racks, including, but not limited to, circuit board back-planes, wire integration units and external wiring of equipment. c) Except for the equipment indicated in Subclause (b) of this Subclause, EWIS components inside t
47、he following equipment, and the external connectors that are part of that equipment, are excluded from the definition in Subclause (a) of this Subclause: 1) Electrical equipment or avionics that is qualified to environmental conditions and testing procedures when those conditions and procedures are:
48、 i) Appropriate for the intended function and operating environment, and ii) Acceptable to the Agency. 2) Portable electrical devices that are not part of the type design of the aeroplane. This includes personal entertainment devices and laptop computers. 3) Fibre optics. 5.3 OFIS definition The def
49、inition of the aircraft fibre optic interconnection network, now called Optical Fibre Interconnection System (OFIS) was created by similarity. The retained text is the following: OFIS means any optical fibre or fibre optic cable, including termination devices, installed in any area of the aircraft for the purpose of transmitting optical signals between two or more intended termination points. Except as provided for i
