| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 4 General appraisal 5 Acceptable provisions in standards related to regulatory legislation <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 6 History of IEC 61000-3-2 and its predecessors 6.1 History table 6.2 Before 1960 6.3 1960 to 1975 <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 6.4 1975 to 1982 6.5 1982 to 1995 <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 6.6 1995 to 2000 <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 6.7 The \u201cMillennium Amendment\u201d 6.8 2000 to 2019 <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6.9 2020 to 2022 6.9.1 Impact factor approach <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 6.9.2 Effect of the coronavirus pandemic from 2020 to 2022 7 History of IEC 61000-3-12 and its predecessor 7.1 Origin 7.2 1989 to 1998 <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 7.3 After 1998 8 History of IEC 61000-4-7 up to 2008 8.1 First edition in 1991 8.2 Second edition in 2002 8.3 Amendment 1 to the second edition <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 8.4 Developments since 2008 9 Economic considerations taken into account in setting limits in IEC 6100032 before publication in 1995, and before the finalization of the text of the Millennium Amendment <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Annexes Annex A (informative) Compatibility level and compensation factor A.1 Explanation of the allocation of only part of the total compatibility level to the low-voltage network <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | A.2 Compensation factor A.2.1 Maximum permissible current emission \u2013 original approach Figures Figure A.1 \u2013 Harmonic voltage drops and harmonic current injections in a typical system <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | A.2.2 Detailed consideration Tables Table A.1 \u2013 Compensation factors kp,h considered valid in 1995 (IEC 61000-3-2:1995 [1] (first edition)) <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Table A.2 \u2013 Sub-factors of kp,h <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | A.2.3 New work prompted by the preparation of this document <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Table A.3 \u2013 Compensated sharing factors <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Figure A.2 \u2013 Permissible number of Class A loads versus harmonic order, with an additional 10 \u2126 load on the feeder <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Annex B (informative) Comparison of Class A limits and the harmonic spectra of phase-controlled dimmers of incandescent lamps at 90\u00b0 firing angle Figure B.1 \u2013 Comparison of Class A limits and spectra of dimmers <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Annex C (informative) Comparison of Class C (IEC 61000-3-2:2018 and IEC 61000-3-2:2018\/AMD1:2020, Table 2) limits and the harmonic spectrum of a discharge lamp with inductive ballast Figure C.1 \u2013 Comparison of Class C limits and the harmonic spectrum of a discharge lamp <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Annex D (informative) Comparison of Class D limits and the harmonic spectra of capacitor-filtered single-phase rectifiers with 35\u00b0 and 65\u00b0 conduction angles Figure D.1 \u2013 Comparison of Class D limits and harmonic spectra of single-phase 230 W rectifiers with capacitor filters <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Annex E (informative) Economic considerations taken into account in setting limits, before finalization of the text of the Millennium Amendment to IEC 61000-3-2 <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Figure E.1 \u2013 Illustration of the concept of total aggregate cost trade-offs for meeting compatibility levels <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Annex F (Informative) Concept plan for a full revision of IEC 61000-3-2 F.2 Density F.3 Usage factor F.4 Contribution F.5 Phase angle factor <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | F.6 System and site mitigation F.7 Network factors <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Annex G (informative) Histories of IEC 61000-3-2 and IEC 61000-3-12 and related standards Table G.1 \u2013 Publication history of IEC 61000-3-2 <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Table G.2 \u2013 Publication history of IEC 61000-3-12 Table G.3 \u2013 Publication history of IEC 61000-4-7 <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Electromagnetic compatibility (EMC) – General. Historical rationale for the limitation of power-frequency conducted harmonic current emissions from equipment, in the frequency range up to 2 kHz<\/b><\/p>\n |