Electric vehicle conductive charging system - Part 21-1 Electric vehicle on-board charger EMC requirements for conductive connection to AC/DC supply

IEC 61851-21-1:2017, together with IEC 61851-1:2010, gives requirements for conductive connection of an electric vehicle (EV) to an AC or DC supply. It applies only to on-board charging units either tested on the complete vehicle or tested on the charging system component level (ESA - electronic sub assembly).
This document covers the electromagnetic compatibility (EMC) requirements for electrically propelled vehicles in any charging mode while connected to the mains supply. This first edition, together with IEC 61851-21-2, cancels and replaces IEC 61851-21:2001. It constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 61851‑21:2001:
a) this document addresses now only EMC tests instead of other electrical tests;
b) test setups are defined more precisely;
c) Annex A "Artificial networks, asymmetric artificial networks and integration of charging stations into the test setup" was added.

Système de charge conductive pour véhicules électriques - Partie 21-1: Exigences CEM relatives à la connexion conductive des chargeurs embarqués pour véhicules électriques à une alimentation en courant alternatif ou continu

L'IEC 61851-21-1:2017 , ainsi que l’IEC 61851-1:2010, spécifient les exigences relatives à la connexion conductive d’un véhicule électrique (VE) à une alimentation en courant alternatif ou continu. Elle ne s’applique qu’aux unités de charge embarquées soumises à essai soit sur le véhicule complet, soit au niveau des composants du système de charge (SEEE – sous-ensemble électrique/électronique).
Le présent document couvre les exigences de compatibilité électromagnétique (CEM) pour les véhicules à propulsion électrique, quel que soit le mode de charge, lorsqu’ils sont connectés au réseau électrique.
Il ne s’applique pas aux trolleybus, véhicules ferroviaires, camions et véhicules industriels conçus principalement pour une exploitation non routière, tels que les engins forestiers et de construction.
L'IEC 61851-21-1:2017, conjointement avec l’IEC 61851-21-2, annule et remplace l’IEC 61851 21:2001. Elle constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l’IEC 61851 21:2001:
a) le présent document traite désormais uniquement des essais CEM, et non plus des autres essais électriques;
b) les configurations d’essai sont définies de manière plus précise;
c) l’Annexe A "Réseaux fictifs, réseaux fictifs asymétriques et intégration des bornes de charge dans la configuration d’essai" a été ajoutée.

General Information

Status
Published
Publication Date
18-Jun-2017
Current Stage
PPUB - Publication issued
Start Date
30-Jun-2017
Completion Date
19-Jun-2017
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IEC 61851-21-1 ®
Edition 1.0 2017-06
INTERNATIONAL
STANDARD
colour
inside
Electric vehicle conductive charging system –
Part 21-1: Electric vehicle on-board charger EMC requirements for conductive
connection to an AC/DC supply
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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International Standards for all electrical, electronic and related technologies.

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IEC 61851-21-1 ®
Edition 1.0 2017-06
INTERNATIONAL
STANDARD
colour
inside
Electric vehicle conductive charging system –

Part 21-1: Electric vehicle on-board charger EMC requirements for conductive

connection to an AC/DC supply
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 43.120 ISBN 978-2-8322-4432-6

– 2 – IEC 61851-21-1:2017 © IEC 2017
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General test conditions . 9
5 Test methods and requirements . 10
5.1 General . 10
5.1.1 Overview . 10
5.1.2 Exceptions . 10
5.2 Immunity . 10
5.2.1 General . 10
5.2.2 Function performance criteria . 11
5.2.3 Test severity level . 11
5.2.4 Immunity of vehicles to electrical fast transient/burst disturbances
conducted along AC and DC power lines . 12
5.2.5 Immunity of vehicles to surges conducted along AC and DC power lines . 12
5.2.6 Immunity to electromagnetic radiated RF-fields . 15
5.2.7 Immunity to pulses on supply lines . 20
5.2.8 Immunity test and severity level overview . 20
5.3 Emissions . 23
5.3.1 Test conditions . 23
5.3.2 Emissions of harmonics on AC power lines . 23
5.3.3 Emission of voltage changes, voltage fluctuations and flicker on AC
power lines . 26
5.3.4 High-frequency conducted disturbances on AC or DC power lines . 27
5.3.5 High-frequency conducted disturbances on network and
telecommunication access . 30
5.3.6 High-frequency radiated disturbances . 32
5.3.7 Radiated disturbances on supply lines . 37
Annex A (normative) Artificial networks, asymmetric artificial networks and integration
of charging stations into the test setup . 38
A.1 Overview. 38
A.2 Charging station and power mains connection . 38
A.3 Artificial networks (AN) . 39
A.3.1 General . 39
A.3.2 Low voltage (LV) powered component . 39
A.3.3 High voltage (HV) powered component . 40
A.3.4 Components involved in charging mode connected to DC power supply . 42
A.4 Artificial mains networks (AMN) . 43
A.5 Asymmetric artificial networks (AAN) . 43
A.5.1 General . 43
A.5.2 Symmetric communication lines (e.g. CAN) . 43
A.5.3 PLC on power lines. 44
A.5.4 PLC (technology) on control pilot . 45
Bibliography . 47

Figure 1 – Electrical fast transient/burst test vehicle setup . 12

Figure 2 – Vehicle in configuration "REESS charging mode coupled to the power grid"
– coupling between lines for AC (single phase) and DC power lines. 13
Figure 3 – Vehicle in configuration "REESS charging mode coupled to the power grid"
– coupling between each line and earth for AC (single phase) and DC power lines . 13
Figure 4 – Vehicle in configuration "REESS charging mode coupled to the power grid"
– coupling between lines for AC (three phases) power lines . 14
Figure 5 – Vehicle in configuration "REESS charging mode coupled to the power grid"
– coupling between each line and earth for AC (three phases) power lines . 14
Figure 6 – Example of test setup for vehicle with inlet located on the vehicle side
(AC/DC power charging without communication) . 16
Figure 7 – Example of test setup for vehicle with inlet located at the front/rear of the
vehicle (AC/DC power charging without communication) . 17
Figure 8 – Example of test setup for vehicle with inlet located on vehicle side (AC or
DC power charging with communication). 18
Figure 9 – Example of test setup for vehicle with inlet located at the front/rear of the
vehicle (AC or DC power charging with communication) . 19
Figure 10 – Vehicle in configuration "REESS charging mode coupled to the power
grid" – Single-phase charger test setup. 25
Figure 11 – Vehicle in configuration "REESS charging mode coupled to the power
grid" – Three-phase charger test setup . 25
Figure 12 – Vehicle in configuration "REESS charging mode coupled to the power grid" . 26
Figure 13 – Vehicle in configuration "REESS charging mode coupled to the power grid" . 29
Figure 14 – Vehicle in configuration "REESS charging mode coupled to the power grid" . 31
Figure 15 – Example of vehicle in configuration "REESS charging mode coupled to the
power grid" . 34
Figure 16 – Test configuration for ESAs involved in REESS charging mode coupled to
the power grid (example for horn antenna) . 36
Figure A.1 – Example of 5 µH AN schematic . 39
Figure A.2 – Characteristics of the AN impedance . 40
Figure A.3 – Example of 5 µH HV AN schematic . 41
Figure A.4 – Characteristics of the HV AN impedance . 41
Figure A.5 – Example of 5 µH HV AN combination in a single shielded box . 42
Figure A.6 – Impedance matching network attached between HV ANs and EUT . 42
Figure A.7 – Example of an impedance stabilization network for symmetric
communication lines . 44
Figure A.8 – Example of a circuit for emission tests of PLC on AC or DC powerlines . 45
Figure A.9 – Example of a circuit for immunity tests of PLC on AC or DC powerlines . 45
Figure A.10 – Example of a circuit for emission tests of PLC on control pilot line . 46
Figure A.11 – Example of a circuit for immunity tests of PLC on control pilot line . 46

Table 1 – Immunity tests . 21
Table 2 – Maximum allowed harmonics (input current ≤ 16 A per phase) . 24
Table 3 – Acceptable harmonics for R = 33 (16 A < I ≤ 75 A) . 24
sce i
Table 4 – Maximum allowed radiofrequency conducted disturbances on AC power lines . 27
Table 5 – Maximum allowed radiofrequency conducted disturbances on DC power lines . 28
Table 6 – Maximum allowed radiofrequency conducted disturbances on network and
telecommunication access . 30

– 4 – IEC 61851-21-1:2017 © IEC 2017
Table 7 – Maximum allowed vehicle high-frequency radiated disturbances . 32
Table 8 – Maximum allowed ESA high-frequency radiated disturbances . 35
Table 9 – Maximum allowed ESA radiated disturbances on supply lines . 37

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRIC VEHICLE CONDUCTIVE CHARGING SYSTEM –

Part 21-1: Electric vehicle on-board charger EMC requirements
for conductive connection to an AC/DC supply

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activi
...


IEC 61851-21-1 ®
Edition 1.0 2017-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electric vehicle conductive charging system –
Part 21-1: Electric vehicle on-board charger EMC requirements for conductive
connection to an AC/DC supply
Système de charge conductive pour véhicules électriques –
Partie 21-1: Exigences CEM relatives à la connexion conductive des chargeurs
embarqués pour véhicules électriques à une alimentation en courant alternatif
ou continu
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
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IEC 61851-21-1 ®
Edition 1.0 2017-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electric vehicle conductive charging system –

Part 21-1: Electric vehicle on-board charger EMC requirements for conductive

connection to an AC/DC supply
Système de charge conductive pour véhicules électriques –

Partie 21-1: Exigences CEM relatives à la connexion conductive des chargeurs

embarqués pour véhicules électriques à une alimentation en courant alternatif

ou continu
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 43.120 ISBN 978-2-8322-1091-9

– 2 – IEC 61851-21-1:2017 © IEC 2017
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General test conditions . 9
5 Test methods and requirements . 10
5.1 General . 10
5.1.1 Overview . 10
5.1.2 Exceptions . 10
5.2 Immunity . 10
5.2.1 General . 10
5.2.2 Function performance criteria . 11
5.2.3 Test severity level . 11
5.2.4 Immunity of vehicles to electrical fast transient/burst disturbances
conducted along AC and DC power lines . 12
5.2.5 Immunity of vehicles to surges conducted along AC and DC power lines . 12
5.2.6 Immunity to electromagnetic radiated RF-fields . 15
5.2.7 Immunity to pulses on supply lines . 20
5.2.8 Immunity test and severity level overview . 20
5.3 Emissions . 23
5.3.1 Test conditions . 23
5.3.2 Emissions of harmonics on AC power lines . 23
5.3.3 Emission of voltage changes, voltage fluctuations and flicker on AC
power lines . 26
5.3.4 High-frequency conducted disturbances on AC or DC power lines . 27
5.3.5 High-frequency conducted disturbances on network and
telecommunication access . 30
5.3.6 High-frequency radiated disturbances . 32
5.3.7 Radiated disturbances on supply lines . 37
Annex A (normative) Artificial networks, asymmetric artificial networks and integration
of charging stations into the test setup . 38
A.1 Overview. 38
A.2 Charging station and power mains connection . 38
A.3 Artificial networks (AN) . 39
A.3.1 General . 39
A.3.2 Low voltage (LV) powered component . 39
A.3.3 High voltage (HV) powered component . 40
A.3.4 Components involved in charging mode connected to DC power supply . 42
A.4 Artificial mains networks (AMN) . 43
A.5 Asymmetric artificial networks (AAN) . 43
A.5.1 General . 43
A.5.2 Symmetric communication lines (e.g. CAN) . 43
A.5.3 PLC on power lines. 44
A.5.4 PLC (technology) on control pilot . 45
Bibliography . 47

Figure 1 – Electrical fast transient/burst test vehicle setup . 12

Figure 2 – Vehicle in configuration "REESS charging mode coupled to the power grid"
– coupling between lines for AC (single phase) and DC power lines. 13
Figure 3 – Vehicle in configuration "REESS charging mode coupled to the power grid"

– coupling between each line and earth for AC (single phase) and DC power lines . 13
Figure 4 – Vehicle in configuration "REESS charging mode coupled to the power grid"
– coupling between lines for AC (three phases) power lines . 14
Figure 5 – Vehicle in configuration "REESS charging mode coupled to the power grid"
– coupling between each line and earth for AC (three phases) power lines . 14
Figure 6 – Example of test setup for vehicle with inlet located on the vehicle side

(AC/DC power charging without communication) . 16
Figure 7 – Example of test setup for vehicle with inlet located at the front/rear of the
vehicle (AC/DC power charging without communication) . 17
Figure 8 – Example of test setup for vehicle with inlet located on vehicle side (AC or
DC power charging with communication). 18
Figure 9 – Example of test setup for vehicle with inlet located at the front/rear of the

vehicle (AC or DC power charging with communication) . 19
Figure 10 – Vehicle in configuration "REESS charging mode coupled to the power
grid" – Single-phase charger test setup. 25
Figure 11 – Vehicle in configuration "REESS charging mode coupled to the power
grid" – Three-phase charger test setup . 25
Figure 12 – Vehicle in configuration "REESS charging mode coupled to the power grid" . 26
Figure 13 – Vehicle in configuration "REESS charging mode coupled to the power grid" . 29
Figure 14 – Vehicle in configuration "REESS charging mode coupled to the power grid" . 31
Figure 15 – Example of vehicle in configuration "REESS charging mode coupled to the
power grid" . 34
Figure 16 – Test configuration for ESAs involved in REESS charging mode coupled to
the power grid (example for horn antenna) . 36
Figure A.1 – Example of 5 µH AN schematic . 39
Figure A.2 – Characteristics of the AN impedance . 40
Figure A.3 – Example of 5 µH HV AN schematic . 41
Figure A.4 – Characteristics of the HV AN impedance .
...

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