BS-EN-62226-2-1-2005.pdf
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1、BRITISH STANDARD BS EN 62226-2-1:2005 Exposure to electric or magnetic fields in the low and intermediate frequency range Methods for calculating the current density and internal electric field induced in the human body Part 2-1: Exposure to magnetic fields 2D models The European Standard EN 62226-2
2、-1:2005 has the status of a British Standard ICS 17.220.20 ? Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 04:27:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 62226-2-1:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 11 Fe
3、bruary 2005 BSI 11 February 2005 ISBN 0 580 45402 9 National foreword This British Standard is the official English language version of EN 62226- - -2-1:2005. It is identical with IEC 62226-2-1:2004. The UK participation in its preparation was entrusted to Technical Committee GEL/106, Human exposure
4、 to Lf and Hf Electromagnetic radiation, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may
5、be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users ar
6、e responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and
7、 keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 56, an inside back cover and a back cover. The BSI copyright notice dis
8、played in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 04:27:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 62226-2-1 NORME EUROPENNE EUROPISCHE NORM Jan
9、uary 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means
10、 reserved worldwide for CENELEC members. Ref. No. EN 62226-2-1:2005 E ICS 17.220.20 English version Exposure to electric or magnetic fields in the low and intermediate frequency range Methods for calculating the current density and internal electric field induced in the human body Part 2-1: Exposure
11、 to magnetic fields 2D models (IEC 62226-2-1:2004) Exposition aux champs lectriques ou magntiques basse et moyenne frquence Mthodes de calcul des densits de courant induit et des champs lectriques induits dans le corps humain Partie 2-1: Exposition des champs magntiques Modles 2D (CEI 62226-2-1:2004
12、) Sicherheit in elektrischen oder magnetischen Feldern im niedrigen und mittleren Frequenzbereich Verfahren zur Berechnung der induzierten Krperstromdichte und des im menschlichen Krper induzierten elektrischen Feldes Teil 2-1: Exposition gegenber magnetischen Feldern 2D-Modelle (IEC 62226-2-1:2004)
13、 This European Standard was approved by CENELEC on 2004-12-01. CENELEC members are bound to comply with the 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
14、 references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC 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
15、ELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Irel
16、and, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 04:27:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 62226-2-1:0250 - - 2 Foreword The
17、text of document 106/79/FDIS, future edition 1 of IEC 62226-2-1, prepared by IEC TC 106, Methods for the assessment of electric, magnetic and electromagnetic fields associated with human exposure, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62226-2-1 on 2004-12-0
18、1. This Part 2-1 is to be used in conjunction with EN 62226-11). The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2005-09-01 latest date by which the national standards conflic
19、ting with the EN have to be withdrawn (dow) 2007-12-01 _ Endorsement notice The text of the International Standard IEC 62226-2-1:2004 was approved by CENELEC as a European Standard without any modification. _ 1) To be published. Page 2 EN 6222621:2005 Licensed Copy: sheffieldun sheffieldun, na, Thu
20、Nov 09 04:27:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 6222-2-61 :CEI 2004 3 CONTENTS FOREWORD.9 INTRODUCTION.6 1 Scope . 7 2 Analytical models .7 2.1 General.8 2.2 Basic analytical models for uniform fields.7 3 Numerical models.9 3.1 General information about numerical models9 3.2 2D models Gen
21、eral approach10 3.3 Conductivity of living tissues11 3.4 2D Models Computation conditions .12 3.5 Coupling factor for non-uniform magnetic field12 3.6 2D Models Computation results.13 4 Validation of models .15 Annex A (normative) Disk in a uniform field 16 Annex B (normative) Disk in a field create
22、d by an infinitely long wire.19 Annex C (normative) Disk in a field created by 2 parallel wires with balanced currents 27 Annex D (normative) Disk in a magnetic field created by a circular coil .38 Annex E (informative) Simplified approach of electromagnetic phenomena 50 Annex F (informative) Analyt
23、ical calculation of magnetic field created by simple induction systems: 1 wire, 2 parallel wires with balanced currents and 1 circular coil 52 Annex G (informative) Equation and numerical modelling of electromagnetic phenomena for a typical structure: conductive disk in electromagnetic field. 54 Bib
24、liography . 56 Figure 1 Conducting disk in a uniform magnetic flux density 8 Figure 2 Finite elements meshing (2nd order triangles) of a disk, and detail 10 Figure 3 Conducting disk in a non-uniform magnetic flux density.11 Figure 4 Variation with distance to the source of the coupling factor for no
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