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BS EN IEC 62764-1:2022 – TC:2023 Edition

BS EN IEC 62764-1:2022 – TC:2023 Edition

$217.84

Tracked Changes. Measurement procedures of magnetic field levels generated by electronic and electrical equipment in the automotive environment with respect to human exposure – Low-frequency magnetic fields

Published By Publication Date Number of Pages
BSI 2023 92
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IEC 62764-1:2022 specifies a methodology for determining the exposure to multiple magnetic field sources for passenger cars and light commercial vehicles including standardized operating conditions and measurement volumes and/or surfaces. This part of IEC 62764 applies to the assessment of human exposure to low-frequency magnetic fields generated by automotive vehicles. For plug-in vehicles, this includes the electric vehicle supply equipment (EVSE) and associated cables provided by the car manufacturer. This excludes the charging station. This document specifies the measurement procedure for the evaluation of magnetic field exposures generated by electronic and electrical equipment (excluding intentionally transmitting radio frequency antennas) in selected automotive environments, for passenger cars and commercial vehicles of categories M1 and N1 as defined in ECE/TRANS/WP.29/78/Rev.3 [1], with respect to human exposure. It provides standardized operating conditions and defines recommended measurements to assess compliance with the applicable exposure requirements. This document covers the frequency range 1 Hz to 100 kHz and is applicable to any type of engine and/or internal energy source.

PDF Catalog

PDF Pages PDF Title
1 30472279
51 A-30436666
52 undefined
55 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
56 Blank Page
57 English
CONTENTS
60 FOREWORD
62 INTRODUCTION
63 1 Scope
2 Normative references
64 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Measurement procedure
4.1 Measurement phases
65 4.2 Measuring conditions
4.3 Test site
4.4 Vehicle set-up
4.5 Measurement locations
4.5.1 General
66 4.5.2 Inside the vehicle
Figures
Figure 1 – Example of test volumes taking account of all body parts for a left-hand drive vehicle
67 4.5.3 Outside the vehicle
5 Measurement technique
5.1 Measuring equipment
5.2 Measurement of the magnetic field exposure
6 Measurement procedure
6.1 Vehicle in stationary mode
6.1.1 General
6.1.2 Phase 1: vehicle preparation and set-up
68 6.1.3 Phase 2: vehicle measurement
6.2 Vehicle in driving mode
6.2.1 General
6.2.2 Phase 1: vehicle preparation and set-up
6.2.3 Phase 2: vehicle measurement (at constant speed)
69 6.2.4 Phase 3: additional measurements
6.3 Vehicle in dynamic mode
6.3.1 General
6.3.2 Phase 1: vehicle preparation and set-up
6.3.3 Phase 2: vehicle measurement
70 6.4 Vehicle in plug-in charging mode
6.4.1 General
6.4.2 Phase 1: vehicle preparation and set-up
6.4.3 Phase 2: vehicle measurement
Figure 2 – Plug-in charging cable positioning
71 7 Assessment of measurement uncertainty
8 Test report
9 Exposure assessment
72 Annexes
Annex A (informative) Practical measurement advice
Figure A.1 – Disc spacer around two types of measurement probes
Figure A.2 – Hemispherical spacer around two types of measurement probes
73 Annex B (informative) Maximum extents of measurement volumes inside the vehicle
B.1 Motivation
B.2 Anthropometrical information
Figure B.1 – Summary of relevant anthropometrical data
74 B.3 Maximum extents of measurement volumes
75 Annex C (informative) Measurement errors due to source proximity and probe orientation
C.1 Background
C.2 Magnitude of proximity and orientation related errors
76 Figure C.1 – Span (error bars) and mode (O) of error distributions for magnetic dipole
Figure C.2 – Span (error bars) and mode (O) of error distributions for linear current
77 C.3 Dipole source contributions to uncertainty parameters
Tables
Table C.1 – Summary of CDF percentile model fitting parameters for dipole source
78 Figure C.3 – Comparison of predicted error distribution percentiles (O) and fitted models (lines) as a function of s (distance/radius)
Table C.2 – CDF percentiles for dipole source at s = 3,545
79 Annex D (informative) Uncertainty estimation
D.1 General
D.2 Uncertainty budget
80 Table D.1 – Uncertainty budget example of the evaluation of magnetic field exposures
81 Annex E (informative) Justification of measurement distances
E.1 General
E.2 Models and numerical methods
E.2.1 Vehicle model and exposure scenarios
82 E.2.2 Human model
Figure E.1 – Schematic explanation and geometry of the vehicle cabin
Figure E.2 – Schematic diagram of electrical motor
83 E.2.3 Computational method
E.3 Computational results
Figure E.3 – Definition of each part of the human body model
84 Figure E.4 – Magnetic field distribution and measuring points
85 Table E.1 – Comparison of the ratio of magnetic field and ICNIRP 1998 reference level, and current density and basic restriction for the wire cable
Table E.2 – Comparison of the ratio of magnetic field and ICNIRP 1998 reference level, and current density and basic restriction for the electrical motor
86 Table E.3 – Comparison of the ratio of magnetic field and ICNIRP 2010 reference level, and internal electric field and basic restriction for the wire cable
Table E.4 – Comparison of the ratio of magnetic field and ICNIRP 2010 reference level, and internal electric field and basic restriction for the electrical motor
87 E.4 Conclusions
88 Annex F (informative) Magnetic field levels during acceleration and deceleration
F.1 Example results
F.2 Test description
F.3 Conclusion
89 Figure F.1 – Results obtained on a car with a full electric powertrain
Figure F.2 – Results obtained on a car with a parallel hybrid electric powertrain
90 Bibliography

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