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BSI PD IEC TR 61000-1-9:2024

BSI PD IEC TR 61000-1-9:2024

$142.49

Electromagnetic compatibility (EMC) – General. Evaluation of uncertainty for the measurement of harmonic current emissions

Published By Publication Date Number of Pages
BSI 2024 26
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
5 FOREWORD
7 INTRODUCTION
8 1 Scope
2 Normative references
9 3 Terms and definitions
4 Uncertainty evaluation for harmonic emissions tests in IEC 61000-3-2 and IEC 61000-3-12
4.1 Methodology
10 4.2 Measurement model
Figure 1 – Measurement circuit for single-phase equipment
11 4.3 Uncertainty components for worst-case scenario
4.3.1 Method
4.3.2 Current measurement equipment
4.3.3 Input impedance of the current measurement equipment
12 4.3.4 Test voltage RMS value
4.3.5 Harmonic distortion of the test voltage
13 4.3.6 Loading effect of the voltmeter
4.4 Uncertainty budget for Class A harmonic 5
Tables
Table 1 – Worst-case uncertainty budget for Class A, Harmonic 5
14 5 Uncertainty budget for typical measurement data
5.1 General
5.2 Current measurement equipment
15 5.3 Input impedance of the measurement equipment
5.4 Test voltage RMS value
16 5.5 Harmonic distortion of the test voltage
5.6 Loading effect of the voltmeter
17 6 Measurement uncertainty supporting conformity decisions
18 Annex A (informative)Worst-case uncertainty budgets for various EUT classesof tests and selected harmonics
Table A.1 – Worst-case uncertainty budget for Class A, Harmonic 5
19 Table A.2 – Worst-case uncertainty budget for Class A, Harmonic 6
Table A.3 – Worst-case uncertainty budget for Class A, Harmonic15
20 Table A.4 – Worst-case uncertainty budget for Class A, Harmonic 40
Table A.5 – Worst-case uncertainty budget for Class C, Harmonic 3
21 Table A.6 – Worst-case uncertainty budget for Class C, Harmonic 5
22 Table A.7 – Worst-case uncertainty budget for Class C, Harmonic 11
23 Table A.8 – Worst-case uncertainty budget for Class D, Harmonic 3
24 Table A.9 – Worst-case uncertainty budget for Class D, Harmonic 11
25 Bibliography

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BSI PD IEC TR 61000-1-9:2024
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