prEN IEC 62909-3:2023

SLOVENSKI STANDARD
01-maj-2023
Dvosmerni omrežni elektroenergetski pretvorniki - 3. del: Zahteve EMC in
preskusne metode
Bi-directional grid connected power converters - Part 3: EMC requirements and test
methods
Convertisseurs de puissance connectés aux réseaux bidirectionnels - Partie 3:
Exigences CEM et méthodes d’essai
Ta slovenski standard je istoveten z: prEN IEC 62909-3:2023
ICS:
29.200 Usmerniki. Pretvorniki. Rectifiers. Convertors.
Stabilizirano električno Stabilized power supply
napajanje
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

22E/247/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62909-3 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2023-03-03 2023-05-26
SUPERSEDES DOCUMENTS:
22E/229/CD, 22E/246/CC
IEC SC 22E : STABILIZED POWER SUPPLIES
SECRETARIAT: SECRETARY:
Germany Mr Clemens Klemm
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 64,TC 69,TC 77,TC 82,TC 120,CIS/B
Other TC/SCs are requested to indicate their interest,
if any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee
Draft for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of
• any relevant patent rights of which they are aware and to provide supporting documentation,
• any relevant “in some countries” clauses to be included should this proposal proceed. Recipients are
reminded that the enquiry stage is the final stage for submitting "in some countries" clauses. See
AC/22/2007.
TITLE:
Bi-directional grid connected power converters - Part 3: EMC requirements and test methods

PROPOSED STABILITY DATE: 2026
NOTE FROM TC/SC OFFICERS:
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing
National Committee positions. You may not copy or "mirror" the file or printed version of the document, or any
part of it, for any other purpose without permission in writing from IEC.

IEC CDV 62909-3 © IEC 2023 – 2 –       22E/247/CDV

1 CONTENTS
3 FOREWORD . 6
4 INTRODUCTION . 8
5 1 Scope . 9
6 2 Normative references . 9
7 3 Terms, definitions . 12
8 4 Classification of GCPC . 18
9 4.1 Division into classes . 18
10 4.2 Information for users . 18
11 5 Measurement and test setup . 19
12 5.1 General . 19
13 5.2 Configuration of test setups . 19
14 5.2.1 General . 19
15 5.2.2 Setups for immunity requirement test . 20
16 5.2.3 Setups for low frequency emission requirement test . 20
17 5.2.4 Setups for high frequency emission requirement test . 21
18 6 Operating conditions during testing . 21
19 6.1 General . 21
20 6.2 Operating conditions for immunity requirement test . 21
21 6.2.1 Operating conditions for immunity requirement test for GCPC with EV
22 section . 21
23 6.3 Operating conditions for emission requirement test . 22
24 6.3.1 Operating conditions for low frequency emission requirement test . 22
25 6.3.2 Operating conditions for high frequency emission requirement test . 22
26 6.3.3 Operating conditions for emission requirement test for GCPC with EV
27 section . 22
28 7 Immunity requirements . 23
29 7.1 General . 23
30 7.2 Immunity requirements against electric discharge (ESD) . 23
31 7.3 Immunity requirements against radiated, radiofrequency, and
32 electromagnetic fields . 23
33 7.4 Immunity requirements against magnetic fields . 24
34 7.5 Immunity requirements against electrical fast transient/burst . 24
35 7.6 Immunity requirements against surge . 24
36 7.7 Immunity requirements against conducted disturbances induced by
37 radiofrequency fields . 25
38 7.8 Immunity requirements against voltage dips . 25
39 7.9 Immunity requirements against voltage interruption . 25
40 7.10 Immunity requirements against harmonics . 25
41 8 Emission requirements . 27
42 8.1 Low frequency range . 27
43 8.2 High frequency range . 27
44 8.2.1 Disturbance voltage limits at the AC power port (150kHz to 30MHz) . 27
45 8.2.2 Disturbance voltage limits at the DC power port (150kHz to 30MHz) . 27
46 8.2.3 Disturbance voltage limits at the CPT port (150kHz to 30MHz) . 28
47 8.2.4 Disturbance voltage limits at the wired network port and the signal and
48 control port (150kHz to 30MHz) . 28

IEC CDV 62909-3 © IEC 2023 – 3 –       22E/247/CDV

49 8.2.5 Radiated emission limits at Enclosure port (above 30 MHz) . 28
50 9 Test results and test report . 29
51 Annex A (informative) Examples of GCPC . 30
52 A.1 General . 30
53 A.2 Examples of GCPC within the scope of IEC62909-3 . 30
54 A.3 Examples of GCPC where other standards apply . 32
55 Annex B (informative) Overview of Requirements . 33
56 B.1 General . 33
57 B.2 Immunity requirements . 33
58 B.3 Conducted emission requirements . 33
59 B.4 Radiated emission requirements . 34
60 Annex C (informative) Immunity requirements comparison between the referenced
61 standards . 35
62 Annex D (informative) Emission limits requirements of the referenced standards . 41
63 D.1 General . 41
64 D.2 Limits for harmonic current emissions (equipment input current ≤16 A per
65 phase) . 41
66 D.3 Limitation of voltage changes, voltage fluctuations and flicker in public low-
67 voltage supply systems, for equipment with rated current ≤ 16 A per phase
68 and not subject to conditional connection . 43
69 D.4 Limitation of voltage changes, voltage fluctuations and flicker in public low-
70 voltage supply systems – Equipment with rated current ≤75 A and subject to
71 conditional connection . 43
72 D.5 Limits for conducted disturbances . 43
73 D.6 CPT port (150 kHz to 30 MHz) . 46
74 D.7 Disturbance voltage limits at the wired network port and the signal and
75 control port (150kHz to 30MHz) . 46
76 D.8 Radiated emission limits at Enclosure port (above 30 MHz) . 47
77 D.8.1 GCPC with the EV section . 47
78 D.8.2 GCPC without the EV section . 49
79 Bibliography . 51
81 Figure 1 – Example of ports . 14
82 Figure 2 – Examples of installation of GCPC . 18
83 Figure A.1 – Multiport GCPC with Battery, PV and CPT ports . 30
84 Figure A.2 – Multiport GCPC with Battery and CPT ports . 30
85 Figure A.3 – Multiport GCPC with multiple CPT ports . 31
86 Figure A.4 – Multiport GCPC with Battery and CPT ports which is a product system
87 variant of the GCPC in Figure A.2 but cannot connect to EV . 31
88 Figure A.5 – Multiport GCPC with Battery and CPT ports which is a product system
89 variant of the GCPC in Figure A.2 but cannot connect to EV and without DC/DC
90 converter for EV . 31
91 Figure A.6 – Equipment in scope of IEC62920: Multiport GCPC with PV and battery
92 ports . 32
93 Figure A.7 – Equipment in scope of IEC 61851-21-2: GCPC with a CPT port . 32
94 Figure B.1 – Overview on port related immunity requirements . 33
95 Figure B.2 – Overview on port related conducted emission . 33
96 Figure B.3 – Overview on radiated emission . 34
IEC CDV 62909-3 © IEC 2023 – 4 –       22E/247/CDV

98 Table 1 – Alphabetical list of terms . 12
99 Table 2 – Immunity requirements against electrostatic discharge (ESD) . 23
100 Table 3 – Immunity requirements against radiated, radiofrequency, and
101 electromagnetic fields . 23
102 Table 4 – Immunity requirements against magnetic fields . 24
103 Table 5 – Immunity requirements against electrical fast transient/burst . 24
104 Table 6 – Immunity requirements against surge . 24
105 Table 7 – Immunity requirements against conducted disturbances induced by
106 radiofrequency fields. 25
107 Table 8 – Immunity requirements against voltage
...