IEC TR 61000-1-8:2019

IEC TR 61000-1-8 ®
Edition 1.0 2019-01
TECHNICAL
REPORT
colour
inside
Electromagnetic compatibility –
Part 1-8: General – Phase angles of harmonic current emissions and voltages in
the public supply networks – Future expectations
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IEC TR 61000-1-8 ®
Edition 1.0 2019-01
TECHNICAL
REPORT
colour
inside
Electromagnetic compatibility –

Part 1-8: General – Phase angles of harmonic current emissions and voltages in

the public supply networks – Future expectations

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.100.10, 33.100.01 ISBN 978-2-8322-6416-4

– 2 – IEC TR 61000-1-8:2019  IEC 2019
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
0.1 Series overview . 8
0.2 Purpose of this document . 8
1 Scope . 10
2 Normative references . 10
3 Terms and definitions . 10
4 Summary of field measurements and data analysis . 12
4.1 Field measurement methods and concepts . 12
4.2 Summary of measurement results, analysis, and conclusions . 14
5 Critical appraisal of potential economic impact . 18
5.1 General . 18
5.2 Dependencies on electrical parameters . 19
5.3 Dependencies on non-electrical influence quantities . 19
5.3.1 General . 19
5.3.2 Development of economic sectors and demand of energy . 19
5.3.3 Consumer durables . 21
5.3.4 Capital-income ratio in rich industrial countries . 25
6 Data evaluation concepts and principles . 27
6.1 Concept of data evaluation . 27
6.2 Principles of statistical survey . 28
6.2.1 Correlation . 28
6.2.2 Review of correlation coefficient calculation with complex numerical
series . 29
6.2.3 Prevailing phase angle and prevailing vector . 32
7 Detailed analysis of data . 35
7.1 Overview. 35
7.2 Time series analysis of electrical basic parameters and concept of statistical
survey . 35
7.3 Time series analysis of selected harmonics . 36
7.4 Phase angle of selected harmonic currents . 44
7.4.1 Time series analysis of phase angle . 44
7.4.2 Phase angle in polar coordinates . 46
7.5 Harmonic spectra . 49
7.6 Correlations . 51
8 Empirical evidence . 54
8.1 Inductive versus deductive approach . 54
8.2 Laboratory tests . 55
8.3 Field measurements . 57
9 Conclusions and recommendations. 60
Annex A (informative) Prevailing vectors at test sites . 61
A.1 Prevailing vectors at test sites M1 to M16 . 61
A.2 Prevailing vectors at test site M17 . 65
Bibliography . 67

th
Figure 1 – Definition of the 5 harmonic current phase angle (I leads U , α > 0) . 11
5 p1 5
Figure 2 – Polar diagrams with prevailing vector for each of the three phases of the
rd th th
3 , 5 and 7 harmonic currents at test site M1 . 15
Figure 3 – Polar diagrams with prevailing vector for each of the three phases of the
rd th th
3 , 5 and 7 harmonic currents at test site M7 . 15
Figure 4 – Polar diagrams with prevailing vector for each of the three phases of the
rd th th
3 , 5 and 7 harmonic currents at test site M16 . 16
th
Figure 5 – Computed prevailing phase angle of the 5 harmonic current . 16
th
Figure 6 – Computed in-phase factor of the 5 harmonic current . 17
rd
Figure 7 – Prevailing vectors of the 3 harmonic current (three phases, all test sites) . 17
th
Figure 8 – Prevailing vectors of the 5 harmonic current (three phases, all test sites) . 17
th
Figure 9 – Prevailing vectors of the 7 harmonic current (three phases, all test sites) . 18
Figure 10 – Development of demand of energy . 20
Figure 11 – Development of economic sectors in industrial countries . 20
Figure 12 – Growth rates of product ownership of electrical household appliances . 22
Figure 13 – Growth rates of product ownership of ICT . 23
Figure 14 – Growth rates of product ownership of entertainment electronics . 24
Figure 15 – Capital income ratio [5] . 26
Figure 16 – Capital share of national income [5] . 26
Figure 17 – Representative prevailing vector . 34
Figure 18 – Unrepresentative prevailing vector . 35
th
Figure 19 – Diurnal cycle of magnitude of the 5 harmonic current at test site M1 . 36
th
Figure 20 – Diurnal cycle of magnitude of the 5 harmonic voltage at test site M1 . 37
Figure 21 – Diurnal cycle of total harmonic current distortion in percent at test site M1 . 37
Figure 22 – Diurnal cycle of total harmonic voltage distortion in percent at test site M1 . 37
th
Figure 23 – Minimum-maximum envelope of the 5 harmonic phase angle curve at
site M1 . 38
th
Figure 24 – Minimum-maximum envelope curves of the 5 harmonic current level at

site M1 . 38
th
Figure 25 – Minimum-maximum envelope curves of the 5 harmonic voltage level at
test site M1 . 39
Figure 26 – Minimum-maximum envelope curves of the total harmonic current
distortion at site M1 . 39
Figure 27 – Minimum-maximum envelope curves of the total harmonic voltage

distortion at site M1 . 40
th
Figure 28 – Histogram of the 5 harmonic current phase angle at test site M1 . 40
th
Figure 29 – Histogram of the 5 harmonic current level in percent at test site M1 . 41
th
Figure 30 – Histogram of the 5 harmonic voltage level in percent at test site M1 . 41
Figure 31 – Histogram of total harmonic current distortion in percent at test site M1 . 42
Figure 32 – Histogram of total harmonic voltage distortion in percent at test site M1 . 42
th
Figure 33 – Cumulative frequency of the 5 harmonic current phase angle at site M1 . 43
th
Figure 34 – Cumulative frequency of the 5 harmonic current level at test site M1 . 43
th
Figure 35 – Cumulative frequency of the 5 harmonic voltage level at test site M1 . 43
Figure 36 – Cumulative frequency of the total harmonic current distortion at test
site M1 . 44
Figure 37 – Cumulative frequency of the total harmonic voltage distortion at test
site M1 . 44

– 4 – IEC TR 61000-1-8:2019  IEC 2019
th
Figure 38 – Daily cycle of the 5 harmonic current phase angle at test site M1 . 45
th
Figure 39 – Daily cycle of the 5 harmonic current magnitude (level) at test site M1 . 45
th
Figure 40 – Minimum-maximum envelope of the 5 harmonic phase angle curve at
site M1 . 46
rd
Figure 41 – Phase angle of the 3 harmonic current at test site M1 . 47
th
Figure 42 – Phase angle of the 5 harmonic current at test site M1 . 47
th
Figure 43 – Phase angle of the 7 harmonic current at test site M1 . 48
rd
Figure 44 – Dispersion factor of the phase angle of the 3 harmonic current . 48
th
Figure 45 – Dispersion factor of the phase angle of
...