BS EN IEC 63129:2020
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Determination of inrush current characteristics of lighting products
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 24 |
IEC 63129:2020 describes a method, based on measurements combined with calculations, to determine specific characteristics of the inrush current of single and/or multiple lighting products of the same type. Lighting products include the following:
- light sources with integrated controlgear,
- controlgear,
- luminaires.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 5 | English CONTENTS |
| 6 | FOREWORD |
| 8 | INTRODUCTION |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 11 | 4 Symbols and abbreviated terms 5 General notes on measurements 6 Inrush current measurements |
| 12 | Figures Figure 1 – Determination of the inrush current pulse durations tH10 and tH50 |
| 13 | 7 DC method (default method) 7.1 Measurement setup Figure 2 – Measurement setup for the DC method (default method) |
| 14 | 7.2 Determining the value of the adjustment resistance 7.2.1 Determining the value of Radj,1 Figure 3 – Switching unit |
| 15 | 7.2.2 Determining the value of Radj,k Figure 4 – Typical current rise and voltage decrease as a function of time after loading C1 (step c)) followed by turning on the switching unit (step e)) as described under step f) |
| 16 | 7.3 Measurement and calculation of the inrush current characteristics 7.3.1 Inrush current characteristics for a single DUT (k = 1) |
| 17 | 7.3.2 Inrush current characteristics for multiple DUTs 8 Alternative AC method 8.1 General Figure 5 – Determination of Imax (ignoring the current peaks for t < 100 µs) |
| 18 | 8.2 Determining the value of the adjustment resistance 8.2.1 Determining the value of Radj,1 Figure 6 – Measurement setup for the AC method (alternative method) |
| 19 | 8.2.2 Determining the value of Radj,k 8.3 Measurement and calculation of the inrush current characteristics 8.3.1 Measuring and calculating the inrush current for a single DUT 8.3.2 Measuring and calculating the inrush current for multiple DUTs |
| 20 | 9 Additional alternative methods Figure 7 – Addition of m DUTs to the measurement circuit (both DC and AC methods) |
| 21 | Annex A (informative)Application of inrush current characteristics A.1 General A.2 Matching of DUT inrush current characteristics with switch or MCB specifications |
| 22 | Bibliography |
