BS EN 61047:1993:2002 Edition
$102.76
Specification for d.c. or a.c. supplied electronic step-down convertors for filament lamps. Performance requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2002 | 20 |
Specifies requirements for use on supplies of d.c. up to 250 V and a.c. up to 1000 V at 50 or 60 Hz.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Cooperating organizations |
| 3 | Contents |
| 6 | Foreword Foreword to amendment A2 |
| 7 | Contents |
| 9 | Introduction 1 Scope and normative references 1.1 Scope 1.2 Normative references 2 Definitions 2.1 total circuit power 2.2 circuit power factor: symbol 2 |
| 10 | 2.3 high power factor convertor 2.4 high audio-frequency impedance convertor 2.5 short-circuit proof convertor 3 General notes on tests 4 Classification 4.1 Classification according to the load |
| 11 | 4.2 Classification according to output voltage 5 Marking 5.1 Mandatory marking 5.2 Optional marking 6 Output voltage and current 6.1 Open-circuit voltage |
| 12 | 6.2 Voltage during operation 6.3 Voltage surges during switching and operation 6.4 Voltage waveform 6.5 Inrush current 7 Total circuit power 8 Circuit power factor 9 Supply current |
| 13 | 10 Impedance at audio-frequencies 11 Operational tests for abnormal conditions 12 Endurance |
| 14 | Appendix A (normative) Tests A.1 General requirements A.1.1 Ambient temperature A.1.2 Supply voltage and frequency A.1.3 Magnetic effects A.1.4 Instrument characteristics A.2 Measurement of the supply current waveform A.3 Measurement of the lamp inrush current� |
| 15 | A.4 Measurement of impedance at audio-frequencies A.5 Text deleted Figure A.1 – Measurement of currents |
| 16 | Figure A.2 – Measurement of impedance at audio-frequencies Annex B (informative) A guide to quoting product life and failure rate |
| 17 | Annex ZA (normative) Other international publications quoted in this standard with the references of�the r… |
| 19 | National annex NA (informative) Committees responsible National annex NB (informative) Cross-references |
