1、BSI Standards PublicationBS ISO 7637-1:2015Road vehicles Electricaldisturbances from conductionand couplingPart 1: Definitions and generalconsiderationsBS ISO 7637-1:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 7637-1:2015. The UK participation in its p
2、reparation was entrusted to TechnicalCommittee AUE/32, Electrical and electronic components andgeneral system aspects (Road vehicles).A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisi
3、ons of a contract. Users are responsible for its correctapplication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 86524 4ICS 01.040.43; 43.040.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was p
4、ublished under the authority of theStandards Policy and Strategy Committee on 30 November 2015.Amendments issued since publicationDate T e x t a f f e c t e dBS ISO 7637-1:2015 ISO 2015Road vehicles Electrical disturbances from conduction and coupling Part 1: Definitions and general considerationsVh
5、icules routiers Perturbations lectriques par conduction et par couplage Partie 1: Dfinitions et gnralitsINTERNATIONAL STANDARDISO7637-1Third edition2015-10-01Reference numberISO 7637-1:2015(E)BS ISO 7637-1:2015ISO 7637-1:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Pu
6、blished in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permi
7、ssion can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 7637-1:2015ISO 7637-1:2015(E)Fo
8、reword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 General aim and practical use of ISO 7637 45 General test conditions 55.1 General . 55.2 Test temperature . 55.3 Supply voltage 6Annex A (normative) Function performance status classification (FPSC) 7Bibliography
9、.10 ISO 2015 All rights reserved iiiContents PageBS ISO 7637-1:2015ISO 7637-1:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out thro
10、ugh ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collabor
11、ates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval c
12、riteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject
13、 of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade na
14、me used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technic
15、al Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.The committee responsible for this document is ISO/TC 22, Road vehicles, Subcommittee SC 32, Electrical and electronic components and general system aspects.This third edition cancels and replaces the second editi
16、on (ISO 7637-1:2002), which has been technically revised. It also incorporates the Amendment ISO 7637-1:2002/Amd 1: 2008.ISO 7637 consists of the following parts, under the general title Road vehicles Electrical disturbances from conduction and coupling: Part 1: Definitions and general consideration
17、s Part 2: Electrical transient conduction along supply lines only Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply linesThe following parts are under preparation: Part 4: Electrical transient conduction along shielded high voltage supply line
18、s only Part 5: Enhanced definitions and verification methods for harmonization of pulse generators according to ISO 76372 Technical ReportAnnex A forms an integral part of this part of ISO 7637.iv ISO 2015 All rights reservedBS ISO 7637-1:2015ISO 7637-1:2015(E)IntroductionElectrical and radio-freque
19、ncy disturbances occur during normal operation of many items of motor vehicle equipment. They are generated over a wide frequency range and can be distributed to on-board electronic devices and systems by conduction, coupling or radiation.In recent years, an increasing number of electronic devices f
20、or controlling, monitoring and displaying a variety of functions have been introduced into vehicle designs. It is necessary to consider the electrical and electromagnetic environment in which these devices operate and, in particular, the disturbances generated in the vehicle electrical system itself
21、. Such disturbances can cause degradation (temporary malfunction or even permanent damage) of the electronic equipment. Moreover, “worst-case” situations are usually those resulting from disturbances generated inside the vehicle by, for example, ignition systems, generator and alternator systems, el
22、ectric motors and actuators.Annex A specifies a general method for function performance status classification (FPSC). Typical severity levels are included in an annex of each of the other parts of ISO 7637.While narrowband signals generated on or outside the vehicle (by broadcasting and radio-transm
23、itters) can also affect the performance of electronic devices, and recognizing that protection from such potential disturbances has to be considered as part of total system certification, these matters are nevertheless outside the scope of ISO 7637 and are not covered by it.ISO 11451 and ISO 11452 s
24、pecify test methods for immunity to radiated disturbances for vehicles and for components, respectively. ISO 10605 specifies test methods for immunity to electrostatic discharge (ESD) for vehicle and for components. ISO 2015 All rights reserved vBS ISO 7637-1:2015BS ISO 7637-1:2015Road vehicles Elec
25、trical disturbances from conduction and coupling Part 1: Definitions and general considerations1 ScopeThis part of ISO 7637 defines the basic terms relating to electrical disturbances from conduction and coupling used in the other parts of ISO 7637. It also gives general information on the whole ISO
26、 7637 series.2 Normative referencesThe 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 edition of the referenced document (includi
27、ng any amendments) applies.IEC 60050151, International Electrotechnical Vocabulary Part 151: Electrical and magnetic devices3 Terms and definitionsFor the purposes of this document, the terms and definitions given in IEC 60050151 and the following apply.3.1artificial networkANnetwork inserted in the
28、 supply lead or signal/load lead of apparatus to be tested which provides, in a given frequency range, a specified load impedance for the measurement of disturbance voltages and which can isolate the apparatus from the supply or signal sources/loads in that frequency rangeNote 1 to entry: Network in
29、serted in the d.c. power lines of the DUT which provides, in a given frequency range, a specified load impedance and which isolates the DUT from the d.c. power supply in that frequency range.3.2bursttransient comprised of a complex series of transient voltage variationsNote 1 to entry: For bursts, i
30、n addition to the parameters given in the definitions; 3.2.1, 3.2.2 and 3.2.3 are also relevant. For an illustration of a burst transient waveform, see ISO 76372.3.2.1burst cycle timetime between the start of the first pulse (3.13) of two consecutive bursts (3.2)3.2.2burst durationtime during which
31、a complex series of transient voltage variations occurs during a single burst (3.2)3.2.3time between burststime between the end of one burst (3.2) and the start of the next oneINTERNATIONAL STANDARD ISO 7637-1:2015(E) ISO 2015 All rights reserved 1BS ISO 7637-1:2015ISO 7637-1:2015(E)3.3couplingmeans
32、 or device for transferring power between systemsNote 1 to entry: For coupling, in addition to the parameters given in the definitions; 3.3.1 and 3.3.2 are also relevant.SOURCE: IEC 600507261401, modified3.3.1coupling clampdevice of defined dimensions and electromagnetic characteristics designed for
33、 common-mode coupling (3.3) of the disturbance transient to the circuit under test without any galvanic connection to it3.3.1.1capacitive coupling clampCCCspecial fixture that facilitates capacitive coupling (3.3) of fast transient test pulses (3.15) into signal lines under test without any galvanic
34、 connection to the terminals of the circuits, or any other part of the DUT3.3.1.2inductive coupling clampICCbulk current injection (BCI) type probe to provide the means of coupling (3.3) slow transient test pulses (3.15) into signal lines under test without any galvanic connection to the terminals o
35、f the circuits, or any other part of the DUT3.3.2coupling networkelectrical circuit for the purpose of transferring energy from one circuit to another3.3.3direct capacitive couplingDCCmethod using discrete, non-polarized capacitor to couple fast and slow transient test pluses into the DUTs signal li
36、nes under test3.4degradationof performance undesired departure in the operational performance of any device, equipment or system from its intended performanceNote 1 to entry: The term “degradation” can apply to temporary or permanent failure.SOURCE: IEC 60050-161-01-193.5electromagnetic compatibilit
37、yEMCability of an equipment or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances (3.6) to anything in that environmentSOURCE: IEC 60050-161-01-073.6electromagnetic disturbanceany electromagnetic phenomenon which can degr
38、ade the performance of a device, equipment or system, or adversely affect living or inert matterNote 1 to entry: An electromagnetic disturbance may be an electromagnetic noise, an unwanted signal or a change in the propagation medium itself.SOURCE: IEC 60050-161-01-052 ISO 2015 All rights reservedBS
39、 ISO 7637-1:2015ISO 7637-1:2015(E)3.7electromagnetic interferenceEMIdegradation (3.4) of the performance of equipment, transmission channel or system caused by an electromagnetic disturbance (3.6)Note 1 to entry: The English words “interference” and “disturbance” are often used indiscriminately.SOUR
40、CE: IEC 60050-161-01-06, modified3.8electromagnetic radiationphenomenon by which energy in the form of electromagnetic waves emanates from a source into space; energy transferred through space in the form of electromagnetic wavesNote 1 to entry: By extension, the term “electromagnetic radiation” som
41、etimes also covers induction phenomena.SOURCE: IEC 60050-731-01-01, modified3.9susceptibilityelectromagnetic inability of a device, equipment or system to perform without degradation (3.4) in the presence of an electromagnetic disturbance (3.6)Note 1 to entry: Susceptibility is a lack of immunity.SO
42、URCE: IEC 60050-161-01-213.10ground (reference) planeflat conductive surface whose potential is used as a common referenceSOURCE: IEC 60050-1613.11immunity (to a disturbance)ability of a device, equipment or system to perform without degradation (3.4) in the presence of an electromagnetic disturbanc
43、e (3.6)SOURCE: IEC 60050-161-01-203.12peak amplitudehighest absolute value of the amplitude of a transient (3.17)3.13pulsecomparatively smooth transient (3.17) with defined shape and time characteristicsNote 1 to entry: For pulses, the definitions given in 3.13.1, 3.13.2, 3.13.3, and 3.13.4 relative
44、 to pulse characteristics are also relevant.3.13.1pulse durationtime from the instant the absolute value of the pulse (3.13) rises above 10 % of the absolute value of the peak amplitude (3.12) to the instant it falls below 10 % of this3.13.2pulse fall timetime taken for the absolute value of the pul
45、se (3.13) to decrease from 90 % to 10 % of the absolute value of the peak amplitude (3.12) ISO 2015 All rights reserved 3BS ISO 7637-1:2015ISO 7637-1:2015(E)3.13.3pulse repetition timetime between the start of two repetitive pulses (3.13) within the burst (3.2)3.13.4pulse rise timetime taken for the
46、 absolute value of the pulse (3.13) to increase from 10 % to 90 % of the absolute value of the peak amplitude (3.12)3.14shielded enclosuremesh or sheet metallic housing designed expressly for the purpose of separating electromagnetically the internal and external environmentSOURCE: IEC 60050-161-04-
47、373.15test pulsetest method representative pulse (3.13) applied to the device under testNote 1 to entry: See the respective parts of ISO 7637 for the applicable test pulse.3.16test pulse severityspecification of severity level of essential test pulse (3.15) parameters3.17transientphenomenon or quant
48、ity which varies between two consecutive steady states during a time interval which is short compared to the time scale of interestNote 1 to entry: “Transient” is a general term and can be used to describe a single pulse or a burst (3.2) (a complex series of transient voltage variations).4 General a
49、im and practical use of ISO 7637ISO 7637 is concerned with the problem of electrical transient disturbances in road vehicles and also in trailers. It deals with the emission of transients, transient transmission through electrical wiring and the potential susceptibility of electronic components to electrical transients.The test methods and procedures, and test instrumentation and limits, given in the various parts of ISO 7637 are intended to facilitate component specification for electrical disturbanc
