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BS EN IEC 61000-4-11:2020:2024 Edition

BS EN IEC 61000-4-11:2020:2024 Edition

$167.15

Electromagnetic compatibility (EMC) – Testing and measurement techniques. Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current up to 16 A per phase

Published By Publication Date Number of Pages
BSI 2024 36
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PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
9 FOREWORD
11 INTRODUCTION
12 1 Scope
2 Normative references
3 Terms and definitions
14 4 General
5 Test levels
5.1 General
5.2 Voltage dips and short interruptions
15 Tables
Table 1 – Preferred test levels and durations for voltage dips
16 5.3 Voltage variations
Table 2 – Preferred test levels and durations for short interruptions
Table 3 – Timing of short-term supply voltage variations
17 Figures
Figure 1 – Voltage dip – Examples
18 Figure 2 – Short interruption
Figure 3 – Detailed view of rise and fall time
19 6 Test instrumentation
6.1 Test generator
6.1.1 General
Figure 4 – Voltage variation
20 6.1.2 Characteristics and performance of the generator
6.1.3 Verification of the characteristics of the voltage dips, short interruptions generators
Table 4 – Generator specifications
21 6.2 Power source
7 Test set-up
22 8 Test procedures
8.1 General
8.2 Laboratory reference conditions
8.2.1 Climatic conditions
23 8.2.2 Electromagnetic conditions
8.3 Execution of the test
8.3.1 General
8.3.2 Voltage dips and short interruptions
24 8.3.3 Voltage variations
9 Evaluation of test results
Figure 5 – Phase-to-neutral and phase-to-phase testing on three-phase systems
25 10 Test report
26 Annexes
Annex A (normative) Test circuit details
A.1 Test generator peak inrush current drive capability
A.2 Current monitor’s characteristics for measuring peak inrush current capability
A.3 EUT peak inrush current requirement
27 Figure A.1 – Circuit for determining the inrush currentdrive capability of the short interruptions generator
Figure A.2 – Circuit for determining the peak inrush current requirement of an EUT
28 Annex B (informative) Electromagnetic environment classes
29 Annex C (informative) Test instrumentation
30 Figure C.1 – Schematics of test instrumentation for voltage dips,short interruptions and voltage variations
31 Figure C.2 – Schematic of test instrumentation for three-phase voltage dips, short interruptions and voltage variations using a power amplifier
32 Annex D (informative) Rationale for generator specification regarding voltage, rise-time and fall-time, and inrush current capability
D.1 Concept of basic standard
D.2 IEC 61000-4-11:1994 (first edition)
D.3 Rationale for the need of rapid fall-times
33 D.4 Interpretation of the rise-time and fall-time requirements during EUT testing
D.5 Main conclusions
D.6 Rationale for inrush current capability
35 Bibliography

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