IEC 61800-3:2022

IEC 61800-3
®

Edition 4.0 2022-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Adjustable speed electrical power drive systems –
Part 3: EMC requirements and specific test methods for PDS and machine tools

Entraînements électriques de puissance à vitesse variable –
Partie 3: Exigences de CEM et méthodes d’essai spécifiques pour les PDS et
machines-outils

IEC 61800-3:2022-11(en-fr)

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IEC 61800-3

®


Edition 4.0 2022-11




INTERNATIONAL



STANDARD




NORME


INTERNATIONALE
colour

inside








Adjustable speed electrical power drive systems –

Part 3: EMC requirements and specific test methods for PDS and machine tools



Entraînements électriques de puissance à vitesse variable –

Partie 3: Exigences de CEM et méthodes d’essai spécifiques pour les PDS et

machines-outils















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 29.200; 33.100.01 ISBN 978-2-8322-6059-3



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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– 2 – IEC 61800-3:2022 © IEC 2022
CONTENTS
FOREWORD . 7
1 Scope . 9
2 Normative references . 10
3 Terms and definitions . 11
3.1 Content of the power drive system (PDS) and its installation . 12
3.2 Content of the machine tool (MT) and its installation . 13
3.3 Locations and equipment categories . 14
3.4 Ports and interfaces . 15
3.5 Components of the PDS . 19
3.6 Test-related definitions . 20
3.7 Phenomena-related definitions . 21
4 Common requirements. 25
4.1 General conditions . 25
4.2 Tests . 26
4.2.1 Conditions . 26
4.2.2 Test report . 27
4.3 Documentation for the user . 27
5 Immunity requirements . 27
5.1 General conditions . 27
5.1.1 Performance (acceptance) criteria . 27
5.1.2 Conditions during the test . 29
5.2 Basic immunity requirements – Low-frequency (< 150 kHz) disturbances . 30
5.2.1 Harmonics . 30
5.2.2 Voltage dips and short interruptions . 32
5.2.3 Frequency variations . 34
5.2.4 Supply influences – Magnetic fields . 35
5.3 Basic immunity requirements – High-frequency (≥ 150 kHz) disturbances . 36
5.3.1 Conditions . 36
5.3.2 Residential, commercial and light industrial environment . 36
5.3.3 Industrial environment . 37
5.4 Application of immunity requirements – Alternative verification methods . 39
5.4.1 General . 39
5.4.2 Simulation and calculation of harmonics . 40
5.4.3 Alternative verification methods for voltage dips and short interruptions . 40
5.4.4 Frequency variations . 40
5.4.5 Immunity against electromagnetic fields by subcomponents testing . 40
6 Emission. 41
6.1 General emission requirements . 41
6.2 General emission requirements for MT . 41
6.3 Basic low-frequency (< 150 kHz) emission limits . 41
6.3.1 Harmonics and interharmonics . 41
6.3.2 Voltage fluctuations and flicker . 42
6.3.3 Emissions in the frequency range from 2 kHz to 150 kHz . 43
6.3.4 Common mode harmonic emission (low-frequency common mode
voltage) . 43
6.4 Conditions related to high-frequency (≥ 150 kHz) emission measurement . 43
6.4.1 General requirements for measurements on a test site . 43

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IEC 61800-3:2022 © IEC 2022 – 3 –
6.4.2 Application of emission limits above 1 GHz . 50
6.4.3 Connection requirements . 50
6.4.4 Measurements requirements when a standard setup is not used . 50
6.5 Basic high-frequency emission limits . 51
6.5.1 EUT of categories C1 and C2 . 51
6.5.2 EUT of category C3 . 53
6.6 Engineering practice . 54
6.6.1 EUT of category C4 . 54
6.6.2 General conditions . 55
6.6.3 Filtering in IT power supply systems . 55
6.6.4 Limits outside the boundary of an installation, for an EUT of category
C4 – Example of propagation of disturbances . 56
Annex A (informative) EMC techniques . 59
A.1 Application of PDSs and EMC . 59
A.2 Load conditions regarding high-frequency phenomena . 59
A.2.1 Load conditions during emission tests . 59
A.2.2 Load conditions during immunity tests . 60
A.2.3 Load test . 60
A.3 Immunity to electromagnetic fields . 60
A.3.1 Immunity to power frequency magnetic fields . 60
A.3.2 Immunity to high frequency conducted disturbances . 60
A.3.3 Immunity to high frequency fields . 61
A.4 High-frequency emission measurement techniques . 62
A.4.1 Impedance/artificial mains network (AMN) . 62
A.4.2 Performing high-frequency in-situ emission tests . 64
A.4.3 Established experience with high power EUTs . 64
Annex B (informative) Low-frequency phenomena . 65
B.1 Commutation notches . 65
B.1.1 Evaluation conditions . 65
B.1.2 Occurrence – Description . 65
B.1.3 Calculation . 68
B.1.4 Recommendations regarding commutation notches . 69
B.2 Definitions related to harmonics and interharmonics . 70
B.2.1 General discussion . 70
B.2.2 Conditions of application. 71
B.3 Application of harmonic emission standards . 75
B.3.1 General . 75
B.3.2 Public networks . 75
B.3.3 Summation methods for harmonics in an installation – Practical rules . 80
B.4 Installation rules – Assessment of harmonic compatibility . 82
B.4.1 Low power industrial three-phase system . 82
B.4.2 Large industrial system . 85
B.4.3 Interharmonics and voltages or currents at higher frequencies . 87
B.5 Voltage unbalance . 87
B.5.1 Origin . 87
B.5.2 Definition and assessment . 88
B.5.3 Effect on BDM/CDM/PDS/MTs . 90
B.6 Voltage dips – Voltage fluctuations . 90
B.6.1 Voltage dips . 90

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– 4 – IEC 61800-3:2022 © IEC 2022
B.6.2 Voltage fluctuation . 92
Annex C (informative) Reactive power compensation – Filtering . 93
C.1 Installation . 93
C.1.1 Usual operation . 93
C.1.2 Power definitions under distorted conditions . 93
C.1.3 Practical solutions . 94
C.1.4 Reactive power compensation . 95
C.1.5 Filtering methods . 99
C.2 Reactive power and harmonics . 101
C.2.1 Usual installation mitigation methods . 101
C.2.2 Other solutions . 103
Annex D (informative) Considerations on high-frequency emission . 107
D.1 User guidelines . 107
D.1.1 Expected emission of BDM/CDM/PDS/MTs . 107
D.1.2 Guidelines . 109
D.2 Safety and RFI-filtering in power supply systems . 111
D.2.1 Safety and leakage currents . 111
D.2.2 Safety and RFI-filtering in power supply systems isolated from earth . 111
Annex E (informative) EMC analysis and EMC plan for EUTs of category C4 . 113
E.1 General – System EMC analysis applied to EUTs . 113
E.1.1 Electromagnetic environment . 113
E.1.2 System EMC analysis techniques . 114
E.2 Example of EMC plan . 116
E.2.1 Project data and description . 116
E.2.2 Electromagnetic environment analysis . 116
E.2.3 EMC analysis. 117
E.2.4 Establishment of installation rules . 118
E.2.5 Formal result and maintenance . 119
E.3 Example of supplement to EMC plan for particular application . 120
E.3.1 Electromagnetic environment complementary analysis . 120
E.3.2 EMC analysis. 121
Bibliography . 123

Figure 1 – Content of the PDS and its installation . 12
Figure 2 – Content of the MT and its installation . 13
Figure 3 – Internal interfaces of the PDS and examples of ports . 17
Figure 4 – Internal interfaces of the MT and examples for ports . 17
Figure 5 – Power interfaces of a PDS with common DC link . 18
Figure 6 – Power interfaces with common input transformer . 19
Figure 7 – Example for a typical cable arrangement for measurements in 3 m
separation distance, for a table-top or wall-mounted equipment, top view . 46
Figure 8 – Example for a typical cable arrangement for measurements in 3 m
separation distance for a table-top or wall-mounted equipment, side view . 47
Figure 9 – Example for a typical test set up for measurement of conducted and/or
radiated disturbances from a floor-standing PDS, 3D view . 48
Figure 10 – Typical arrangement for measurement of radiated disturbances from an MT
(top view) . 49
Figure 11 – Propagation of disturbances . 56

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IEC 61800-3:2022 © IEC 2022 – 5 –
Figure 12 – Propagation of disturbances in installation with an EUT rated > 1 000 V. 57
Figure B.1 – Typical waveform of commutation notches – Distinction from non-
repetitive transient . 66
Figure B.2 – PCC, IPC, installation current ratio and R . 73
SI
Figure B.3 – PCC, IPC, installation current ratio and R . 74
SC
Figure B.4 – Assessment of the harmonic emission of an EUT . 77
Figure B.5 – Test set-up with mechanical load . 78
Figure B.6 – Test set-up with electrical load replacing the loaded motor . 78
Figure B.7 – Test set-up with resistive load . 79
Figure B.8 – Assessment of harmonic emission where EUT is used (apparatus,
systems or installations) . 84
Figure C.1 – Reactive power compensation . 96
Figure C.2 – Simplified diagram of an industrial network . 98
Figure C.3 – Impedance versus frequency of the simplified network . 98
Figure C.4 – Example of passive filter battery . 100
Figure C.5 – Example of inadequate solution in reactive power compensation . 102
Figure C.6 – VSI PWM active filter topologies . 104
Figure C.7 – Boost mode converter . 104
Figure C.8 – Front-end inverter system . 105
Figure D.1 – Conducted emission of various unfiltered EUTs . 108
Figure D.2 – Expected radiated emission of EUT up to rated voltage 400 V – Peak
values normalised at 10 m . 109
Figure D.3 – Safety and filtering. 112
Figure E.1 – Interaction between systems and EM environment . 113
Figure E.2 – Zone concept . 114
Figure E.3 – Example of drive . 115

Table 1 – Criteria to prove the acceptance of a BDM, CDM or PDS against
electromagnetic disturbances . 28
Table 2 – Criteria to prove the acceptance of an MT against electromagnetic
disturbances . 29
Table 3 – Minimum immunity requirements for individual harmonic orders on AC power
ports of low voltage EUT . 31
Table 4 – Minimum immunity requirements for harmonics on AC main power ports of
EUTs of rated voltage above 1 000 V . 32
Table 5 – Minimum immunity requirements for voltage dips and short interruptions on
AC power ports of low voltage EUTs . 32
Table 6 – Minimum immunity requirements for dips and short interruptions on AC main
power ports of rated voltage above 1 000 V of EUTs . 33
Table 7 – Minimum immunity requirements for dips and short interruptions on low
voltage AC auxiliary power ports of EUTs . 34
Table 8 – Minimum immunity requirements for frequency variations on AC power ports
of low voltage EUTs . 34
Table 9 – Minimum immunity requirements for frequency variations on AC main power
ports of rated voltage above 1 000 V of EUTs . 35
Table 10 – Minimum immunity requirements for frequency variations on auxiliary AC
low voltage power ports of EUTs . 35

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– 6 – IEC 61800-3:2022 © IEC 2022
Table 11 – Minimum immunity requirements for EUTs intended for use in a residential,
commercial or light industrial location . 36
Table 12 – Minimum immunity requirements for EUTs intended for use in an industrial
location . 38
Table 13 – Approach to type-test assessment of different MT configurations . 41
Table 14 – Required highest frequency for radiated measurement . 50
Table 15 – Limits for mains terminal disturbance voltage in the frequency band
150 kHz to 30 MHz – Categories C1 and C2 . 51
Table 16 – Limits for electromagnetic radiation disturbance in the frequency band
30 MHz to 6 000 MHz – Categories C1 and C2 . 52
Table 17 – Limits of disturbance voltage on the power interface in a residential,
commercial or light industrial location . 52
Table 18 – Limits for mains terminal disturbance voltage in the frequency band
150 kHz to 30 MHz – Category C3 . 53
Table 19 – Limits for electromagnetic radiation disturbance in the frequency band
30 MHz to 6 000 MHz – Category C3 . 54
Table 20 – Limits for propagated disturbance voltage ("outside" in a residential
location) . 57
Table 21 – Limits for propagated disturbance voltage ("outside" in a non-residential
location) . 57
Table 22 – Limits for propagated electromagnetic disturbance above 30 MHz . 58
Table 23 – Limits for electromagnetic disturbance
...