BS EN 61000-3-2:2014
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Electromagnetic compatibility (EMC) – Limits. Limits for harmonic current emissions (equipment input current ≤ 16 A per phase)
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 40 |
IEC 61000-3-2:2014 deals with the limitation of harmonic currents injected into the public supply system. It specifies limits of harmonic components of the input current which may be produced by equipment tested under specified conditions. It is applicable to electrical and electronic equipment having an input current up to and including 16 A per phase, and intended to be connected to public low voltage distribution systems. Arc welding equipment which is not professional equipment, with input current up to and including 16 A per phase, is included in this standard. Arc welding equipment intended for professional use, as specified in IEC 60974-1, is excluded from this standard and may be subject to installation restrictions as indicated in IEC/TR 61000-3-4 or IEC 61000-3-12. The tests according to this standard are type tests. Test conditions for particular equipment are given in Annex C. For systems with nominal voltages less than 220 V (line-to-neutral), the limits have not yet been considered. This fourth edition cancels and replaces the third edition published in 2005, Amendment 1:2008, Amendment 2:2009 and Corrigendum of August 2009. This edition includes the following significant technical changes with respect to the previous edition: – a clarification of the repeatability and reproducibility of measurements; – a more accurate specification of the general test conditions for information technology equipment; – the addition of optional test conditions for information technology equipment with external power supplies or battery chargers; – the addition of a simplified test method for equipment that undergoes minor changes or updates; – an update of the test conditions for washing machines; – a clarification of the requirements for Class C equipment with active input power ? 25 W; – an update of the test conditions for audio amplifiers; – a clarification of the test conditions for lamps; – an update of the test conditions for vacuum cleaners; – the addition of test conditions for high pressure cleaners; – an update of the test conditions for arc welding equipment; – the reclassification of refrigerators and freezers with variable-speed drives into Class D; – and the addition of test conditions for refrigerators and freezers.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 8 | English CONTENTS |
| 10 | INTRODUCTION |
| 11 | 1 Scope 2 Normative references |
| 12 | 3 Terms and definitions |
| 16 | 4 General 5 Classification of equipment |
| 17 | 6 General requirements 6.1 Control methods |
| 18 | 6.2 Harmonic current measurement 6.2.1 Test configuration 6.2.2 Measurement procedure |
| 19 | 6.2.3 General requirements |
| 20 | 6.2.4 Test observation period |
| 21 | 6.3 Equipment in a rack or case 7 Harmonic current limits |
| 22 | Figures Figure 1 – Flowchart for determining conformity |
| 23 | 7.1 Limits for Class A equipment 7.2 Limits for Class B equipment 7.3 Limits for Class C equipment Figure 2 – Illustration of the relative phase angle and current parameters described in 7.3 b) |
| 24 | 7.4 Limits for Class D equipment Tables Table 1 – Limits for Class A equipment |
| 25 | Table 2 – Limits for Class C equipment Table 3 – Limits for Class D equipment Table 4 – Test observation period |
| 26 | Annex A (normative) Measurement circuit and supply source A.1 Test circuit A.2 Supply source |
| 27 | Figure A.1 – Measurement circuit for single-phase equipment |
| 28 | Figure A.2 – Measurement circuit for three-phase equipment |
| 29 | Annex B (normative) Requirements for measurement equipment |
| 30 | Annex C (normative) Type test conditions C.1 General C.2 Test conditions for television (TV) receivers C.2.1 General conditions C.2.2 Conditions for measurement |
| 31 | C.3 Test conditions for audio amplifiers C.3.1 Conditions C.3.2 Input signals and loads |
| 32 | C.4 Test conditions for video-cassette recorders C.5 Test conditions for lighting equipment C.5.1 General conditions C.5.2 Lamps C.5.3 Luminaires C.5.4 Ballasts and step-down converters |
| 33 | C.6 Test conditions for independent and built-in incandescent lamp dimmers C.7 Test conditions for vacuum cleaners C.8 Test conditions for washing machines C.9 Test conditions for microwave ovens |
| 34 | C.10 Test conditions for information technology equipment (ITE) C.10.1 General conditions C.10.2 Optional conditions for measuring emissions of IT equipment with external power supplies or battery chargers |
| 35 | C.11 Test conditions for induction hobs C.12 Test conditions for air conditioners C.13 Test conditions for kitchen machines as defined in IEC 60335-2-14 C.14 Test conditions for arc welding equipment which is not professional equipment |
| 36 | C.15 Test conditions for high pressure cleaners which are not professional equipment C.16 Test conditions for refrigerators and freezers C.16.1 General C.16.2 Refrigerators and freezers with VSD Table C.1 – Conventional load for arc welding equipment tests |
| 37 | C.16.3 Refrigerators and freezers without VSD |
| 38 | Bibliography |
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