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    BS ISO 7637-1-2015 en_1238 Road vehicles Electrical disturbances from conduction and coupling Definitions and general considerations《道路车辆 因传导和耦合造成的电干扰 定义和通用考量》.pdf

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    BS ISO 7637-1-2015 en_1238 Road vehicles Electrical disturbances from conduction and coupling Definitions and general considerations《道路车辆 因传导和耦合造成的电干扰 定义和通用考量》.pdf

    1、BSI Standards Publication BS ISO 7637-1:2015 Road vehicles Electrical disturbances from conduction and coupling Part 1: Definitions and general considerationsBS ISO 7637-1:2015 BRITISH STANDARD National foreword This British Standard is the UK implementation of ISO 7637-1:2015. The UK participation

    2、in its preparation was entrusted to Technical Committee AUE/32, Electrical and electronic components and general system aspects (Road vehicles). A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the nec

    3、essary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 86524 4 ICS 01.040.43; 43.040.10 Compliance with a British Standard cannot confer immunity from legal obligations. This B

    4、ritish Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2015. Amendments issued since publication Date T e x t a f f e c t e dBS ISO 7637-1:2015 ISO 2015 Road vehicles Electrical disturbances from conduction and coupling Part 1: Definitions and

    5、 general considerations Vhicules routiers Perturbations lectriques par conduction et par couplage Partie 1: Dfinitions et gnralits INTERNATIONAL STANDARD ISO 7637-1 Third edition 2015-10-01 Reference number ISO 7637-1:2015(E)BS ISO 7637-1:2015ISO 7637-1:2015(E)ii ISO 2015 All rights reserved COPYRIG

    6、HT PROTECTED DOCUMENT ISO 2015, Published in Switzerland All 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, with

    7、out prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso

    8、.orgBS ISO 7637-1:2015ISO 7637-1:2015(E)Foreword iv Introduction v 1 Scope . 1 2 Normative references 1 3 Terms and definitions . 1 4 General aim and practical use of ISO 7637 4 5 General test conditions 5 5.1 General . 5 5.2 Test temperature . 5 5.3 Supply voltage . . 6 Annex A (normative) Function

    9、 performance status classification (FPSC) 7 Bibliography .10 ISO 2015 All rights reserved iii Contents PageBS ISO 7637-1:2015ISO 7637-1:2015(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of pr

    10、eparing International Standards is normally carried out through 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, i

    11、n liaison with ISO, also take part in the work. ISO collaborates 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/I

    12、EC Directives, Part 1. In particular the different approval criteria 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

    13、 that some of the elements of this document may be the subject 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 paten

    14、t declarations received (see www.iso.org/patents). Any trade name 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 infor

    15、mation about ISOs adherence to the WTO principles in the Technical 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

    16、 aspects. This third edition cancels and replaces the second edition (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 con

    17、duction and coupling: Part 1: Definitions and general considerations Part 2: Electrical transient conduction along supply lines only Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines The following parts are under preparation: Part 4: Ele

    18、ctrical transient conduction along shielded high voltage supply lines only Part 5: Enhanced definitions and verification methods for harmonization of pulse generators according to ISO 76372 Technical Report Annex A forms an integral part of this part of ISO 7637.iv ISO 2015 All rights reservedBS ISO

    19、 7637-1:2015ISO 7637-1:2015(E) Introduction Electrical and radio-frequency 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

    20、radiation. In recent years, an increasing number of electronic devices for 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 partic

    21、ular, the disturbances generated in the vehicle electrical system itself. 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

    22、 by, for example, ignition systems, generator and alternator systems, electric 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 sig

    23、nals generated on or outside the vehicle (by broadcasting and radio-transmitters) 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

    24、 the scope of ISO 7637 and are not covered by it. ISO 11451 and ISO 11452 specify 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

    25、All rights reserved vBS ISO 7637-1:2015BS ISO 7637-1:2015Road vehicles Electrical disturbances from conduction and coupling Part 1: Definitions and general considerations 1 Scope This part of ISO 7637 defines the basic terms relating to electrical disturbances from conduction and coupling used in th

    26、e other parts of ISO 7637. It also gives general information on the whole ISO 7637 series. 2 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.

    27、 For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050151, International Electrotechnical Vocabulary Part 151: Electrical and magnetic devices 3 Terms and definitions For the purposes of this document, the terms and definitions given in I

    28、EC 60050151 and the following apply. 3.1 artificial network AN network inserted in the 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

    29、 the supply or signal sources/loads in that frequency range Note 1 to entry: Network inserted 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. 3.2 burst transient c

    30、omprised of a complex series of transient voltage variations Note 1 to entry: For bursts, in 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. 3.2.1 burst cycle time time between the start

    31、of the first pulse (3.13) of two consecutive bursts (3.2) 3.2.2 burst duration time during which a complex series of transient voltage variations occurs during a single burst (3.2) 3.2.3 time between bursts time between the end of one burst (3.2) and the start of the next one INTERNATIONAL ST ANDARD

    32、 ISO 7637-1:2015(E) ISO 2015 All rights reserved 1BS ISO 7637-1:2015ISO 7637-1:2015(E) 3.3 coupling means or device for transferring power between systems Note 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 60050726140

    33、1, modified 3.3.1 coupling clamp device of defined dimensions and electromagnetic characteristics designed for common-mode coupling (3.3) of the disturbance transient to the circuit under test without any galvanic connection to it 3.3.1.1 capacitive coupling clamp CCC special fixture that facilitate

    34、s capacitive coupling (3.3) of fast transient test pulses (3.15) into signal lines under test without any galvanic connection to the terminals of the circuits, or any other part of the DUT 3.3.1.2 inductive coupling clamp ICC bulk current injection (BCI) type probe to provide the means of coupling (

    35、3.3) slow transient test pulses (3.15) into signal lines under test without any galvanic connection to the terminals of the circuits, or any other part of the DUT 3.3.2 coupling network electrical circuit for the purpose of transferring energy from one circuit to another 3.3.3 direct capacitive coup

    36、ling DCC method using discrete, non-polarized capacitor to couple fast and slow transient test pluses into the DUTs signal lines under test 3.4 degradation of performance undesired departure in the operational performance of any device, equipment or system from its intended performance Note 1 to ent

    37、ry: The term “degradation” can apply to temporary or permanent failure. SOURCE: IEC 60050-161-01-19 3.5 electromagnetic compatibility EMC ability of an equipment or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances (3.6)

    38、 to anything in that environment SOURCE: IEC 60050-161-01-07 3.6 electromagnetic disturbance any electromagnetic phenomenon which can degrade the performance of a device, equipment or system, or adversely affect living or inert matter Note 1 to entry: An electromagnetic disturbance may be an electro

    39、magnetic noise, an unwanted signal or a change in the propagation medium itself. SOURCE: IEC 60050-161-01-052 ISO 2015 All rights reservedBS ISO 7637-1:2015ISO 7637-1:2015(E) 3.7 electromagnetic interference EMI degradation (3.4) of the performance of equipment, transmission channel or system caused

    40、 by an electromagnetic disturbance (3.6) Note 1 to entry: The English words “interference” and “disturbance” are often used indiscriminately. SOURCE: IEC 60050-161-01-06, modified 3.8 electromagnetic radiation phenomenon by which energy in the form of electromagnetic waves emanates from a source int

    41、o space; energy transferred through space in the form of electromagnetic waves Note 1 to entry: By extension, the term “electromagnetic radiation” sometimes also covers induction phenomena. SOURCE: IEC 60050-731-01-01, modified 3.9 susceptibility electromagnetic inability of a device, equipment or s

    42、ystem 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. SOURCE: IEC 60050-161-01-21 3.10 ground (reference) plane flat conductive surface whose potential is used as a common reference SOURCE: IEC 60050-

    43、161 3.11 immunity (to a disturbance) ability of a device, equipment or system to perform without degradation (3.4) in the presence of an electromagnetic disturbance (3.6) SOURCE: IEC 60050-161-01-20 3.12 peak amplitude highest absolute value of the amplitude of a transient (3.17) 3.13 pulse comparat

    44、ively smooth transient (3.17) with defined shape and time characteristics Note 1 to entry: For pulses, the definitions given in 3.13.1, 3.13.2, 3.13.3, and 3.13.4 relative to pulse characteristics are also relevant. 3.13.1 pulse duration time from the instant the absolute value of the pulse (3.13) r

    45、ises above 10 % of the absolute value of the peak amplitude (3.12) to the instant it falls below 10 % of this 3.13.2 pulse fall time time taken for the absolute value of the pulse (3.13) to decrease from 90 % to 10 % of the absolute value of the peak amplitude (3.12) ISO 2015 All rights reserved 3BS

    46、 ISO 7637-1:2015ISO 7637-1:2015(E) 3.13.3 pulse repetition time time between the start of two repetitive pulses (3.13) within the burst (3.2) 3.13.4 pulse rise time time taken for the absolute value of the pulse (3.13) to increase from 10 % to 90 % of the absolute value of the peak amplitude (3.12)

    47、3.14 shielded enclosure mesh or sheet metallic housing designed expressly for the purpose of separating electromagnetically the internal and external environment SOURCE: IEC 60050-161-04-37 3.15 test pulse test method representative pulse (3.13) applied to the device under test Note 1 to entry: See

    48、the respective parts of ISO 7637 for the applicable test pulse. 3.16 test pulse severity specification of severity level of essential test pulse (3.15) parameters 3.17 transient phenomenon or quantity which varies between two consecutive steady states during a time interval which is short compared t

    49、o the time scale of interest Note 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 aim and practical use of ISO 7637 ISO 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 componen


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