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eLibrary > BS EN IEC 62764-1:2022 - TC 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 >

BS EN IEC 62764-1:2022 - TC 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, 2023

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BS EN IEC 62764-1:2022 - TC 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, 2023

30472279
A-30436666 [Go to Page]
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Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
Blank Page [Go to Page]
English [Go to Page]
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms [Go to Page]
3.1 Terms and definitions
3.2 Abbreviated terms
4 Measurement procedure [Go to Page]
4.1 Measurement phases
4.2 Measuring conditions
4.3 Test site
4.4 Vehicle set-up
4.5 Measurement locations [Go to Page]
4.5.1 General
4.5.2 Inside the vehicle
Figures [Go to Page]
Figure 1 – Example of test volumes taking account of all body parts for a left-hand drive vehicle [Go to Page]
4.5.3 Outside the vehicle
5 Measurement technique [Go to Page]
5.1 Measuring equipment
5.2 Measurement of the magnetic field exposure
6 Measurement procedure [Go to Page]
6.1 Vehicle in stationary mode [Go to Page]
6.1.1 General
6.1.2 Phase 1: vehicle preparation and set-up
6.1.3 Phase 2: vehicle measurement
6.2 Vehicle in driving mode [Go to Page]
6.2.1 General
6.2.2 Phase 1: vehicle preparation and set-up
6.2.3 Phase 2: vehicle measurement (at constant speed)
6.2.4 Phase 3: additional measurements
6.3 Vehicle in dynamic mode [Go to Page]
6.3.1 General
6.3.2 Phase 1: vehicle preparation and set-up
6.3.3 Phase 2: vehicle measurement
6.4 Vehicle in plug-in charging mode [Go to Page]
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
7 Assessment of measurement uncertainty
8 Test report
9 Exposure assessment
Annexes [Go to Page]
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
Annex B (informative) Maximum extents of measurement volumes inside the vehicle [Go to Page]
B.1 Motivation
B.2 Anthropometrical information
Figure B.1 – Summary of relevant anthropometrical data [Go to Page]
B.3 Maximum extents of measurement volumes
Annex C (informative) Measurement errors due to source proximity and probe orientation [Go to Page]
C.1 Background
C.2 Magnitude of proximity and orientation related errors
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 [Go to Page]
C.3 Dipole source contributions to uncertainty parameters
Tables [Go to Page]
Table C.1 – Summary of CDF percentile model fitting parameters for dipole source
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
Annex D (informative) Uncertainty estimation [Go to Page]
D.1 General
D.2 Uncertainty budget
Table D.1 – Uncertainty budget example of the evaluation of magnetic field exposures
Annex E (informative) Justification of measurement distances [Go to Page]
E.1 General
E.2 Models and numerical methods [Go to Page]
E.2.1 Vehicle model and exposure scenarios
E.2.2 Human model
Figure E.1 – Schematic explanation and geometry of the vehicle cabin
Figure E.2 – Schematic diagram of electrical motor [Go to Page]
[Go to Page]
E.2.3 Computational method
E.3 Computational results
Figure E.3 – Definition of each part of the human body model
Figure E.4 – Magnetic field distribution and measuring points
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
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 [Go to Page]
E.4 Conclusions
Annex F (informative) Magnetic field levels during acceleration and deceleration [Go to Page]
F.1 Example results
F.2 Test description
F.3 Conclusion
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
Bibliography [Go to Page]

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